1# libtool.m4 - Configure libtool for the host system. -*-Shell-script-*- 2## Copyright 1996, 1997, 1998, 1999, 2000, 2001 3## Free Software Foundation, Inc. 4## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 5## 6## This program is free software; you can redistribute it and/or modify 7## it under the terms of the GNU General Public License as published by 8## the Free Software Foundation; either version 2 of the License, or 9## (at your option) any later version. 10## 11## This program is distributed in the hope that it will be useful, but 12## WITHOUT ANY WARRANTY; without even the implied warranty of 13## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14## General Public License for more details. 15## 16## You should have received a copy of the GNU General Public License 17## along with this program; if not, write to the Free Software 18## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19## 20## As a special exception to the GNU General Public License, if you 21## distribute this file as part of a program that contains a 22## configuration script generated by Autoconf, you may include it under 23## the same distribution terms that you use for the rest of that program. 24 25# serial 46 AC_PROG_LIBTOOL 26 27AC_DEFUN([AC_PROG_LIBTOOL], 28[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl 29 30# This can be used to rebuild libtool when needed 31LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh" 32 33# Always use our own libtool. 34LIBTOOL='$(SHELL) $(top_builddir)/libtool' 35AC_SUBST(LIBTOOL)dnl 36 37# Prevent multiple expansion 38define([AC_PROG_LIBTOOL], []) 39]) 40 41AC_DEFUN([AC_LIBTOOL_SETUP], 42[AC_PREREQ(2.13)dnl 43AC_REQUIRE([AC_ENABLE_SHARED])dnl 44AC_REQUIRE([AC_ENABLE_STATIC])dnl 45AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl 46AC_REQUIRE([AC_CANONICAL_HOST])dnl 47AC_REQUIRE([AC_CANONICAL_BUILD])dnl 48AC_REQUIRE([AC_PROG_CC])dnl 49AC_REQUIRE([AC_PROG_LD])dnl 50AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl 51AC_REQUIRE([AC_PROG_NM])dnl 52AC_REQUIRE([LT_AC_PROG_SED])dnl 53 54AC_REQUIRE([AC_PROG_LN_S])dnl 55AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl 56AC_REQUIRE([AC_OBJEXT])dnl 57AC_REQUIRE([AC_EXEEXT])dnl 58dnl 59 60_LT_AC_PROG_ECHO_BACKSLASH 61# Only perform the check for file, if the check method requires it 62case $deplibs_check_method in 63file_magic*) 64 if test "$file_magic_cmd" = '$MAGIC_CMD'; then 65 AC_PATH_MAGIC 66 fi 67 ;; 68esac 69 70AC_CHECK_TOOL(RANLIB, ranlib, :) 71AC_CHECK_TOOL(STRIP, strip, :) 72 73ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no) 74ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], 75enable_win32_dll=yes, enable_win32_dll=no) 76 77AC_ARG_ENABLE(libtool-lock, 78 [ --disable-libtool-lock avoid locking (might break parallel builds)]) 79test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes 80 81# Some flags need to be propagated to the compiler or linker for good 82# libtool support. 83case $host in 84*-*-irix6*) 85 # Find out which ABI we are using. 86 echo '[#]line __oline__ "configure"' > conftest.$ac_ext 87 if AC_TRY_EVAL(ac_compile); then 88 case `/usr/bin/file conftest.$ac_objext` in 89 *32-bit*) 90 LD="${LD-ld} -32" 91 ;; 92 *N32*) 93 LD="${LD-ld} -n32" 94 ;; 95 *64-bit*) 96 LD="${LD-ld} -64" 97 ;; 98 esac 99 fi 100 rm -rf conftest* 101 ;; 102 103*-*-sco3.2v5*) 104 # On SCO OpenServer 5, we need -belf to get full-featured binaries. 105 SAVE_CFLAGS="$CFLAGS" 106 CFLAGS="$CFLAGS -belf" 107 AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, 108 [AC_LANG_SAVE 109 AC_LANG_C 110 AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) 111 AC_LANG_RESTORE]) 112 if test x"$lt_cv_cc_needs_belf" != x"yes"; then 113 # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf 114 CFLAGS="$SAVE_CFLAGS" 115 fi 116 ;; 117 118ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], 119[*-*-cygwin* | *-*-mingw* | *-*-pw32*) 120 AC_CHECK_TOOL(DLLTOOL, dlltool, false) 121 AC_CHECK_TOOL(AS, as, false) 122 AC_CHECK_TOOL(OBJDUMP, objdump, false) 123 124 # recent cygwin and mingw systems supply a stub DllMain which the user 125 # can override, but on older systems we have to supply one 126 AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain, 127 [AC_TRY_LINK([], 128 [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*); 129 DllMain (0, 0, 0);], 130 [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])]) 131 132 case $host/$CC in 133 *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*) 134 # old mingw systems require "-dll" to link a DLL, while more recent ones 135 # require "-mdll" 136 SAVE_CFLAGS="$CFLAGS" 137 CFLAGS="$CFLAGS -mdll" 138 AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch, 139 [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])]) 140 CFLAGS="$SAVE_CFLAGS" ;; 141 *-*-cygwin* | *-*-pw32*) 142 # cygwin systems need to pass --dll to the linker, and not link 143 # crt.o which will require a WinMain@16 definition. 144 lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;; 145 esac 146 ;; 147 ]) 148esac 149 150_LT_AC_LTCONFIG_HACK 151 152]) 153 154# AC_LIBTOOL_HEADER_ASSERT 155# ------------------------ 156AC_DEFUN([AC_LIBTOOL_HEADER_ASSERT], 157[AC_CACHE_CHECK([whether $CC supports assert without backlinking], 158 [lt_cv_func_assert_works], 159 [case $host in 160 *-*-solaris*) 161 if test "$GCC" = yes && test "$with_gnu_ld" != yes; then 162 case `$CC --version 2>/dev/null` in 163 [[12]].*) lt_cv_func_assert_works=no ;; 164 *) lt_cv_func_assert_works=yes ;; 165 esac 166 fi 167 ;; 168 esac]) 169 170if test "x$lt_cv_func_assert_works" = xyes; then 171 AC_CHECK_HEADERS(assert.h) 172fi 173])# AC_LIBTOOL_HEADER_ASSERT 174 175# _LT_AC_CHECK_DLFCN 176# -------------------- 177AC_DEFUN([_LT_AC_CHECK_DLFCN], 178[AC_CHECK_HEADERS(dlfcn.h) 179])# _LT_AC_CHECK_DLFCN 180 181# AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE 182# --------------------------------- 183AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], 184[AC_REQUIRE([AC_CANONICAL_HOST]) 185AC_REQUIRE([AC_PROG_NM]) 186AC_REQUIRE([AC_OBJEXT]) 187# Check for command to grab the raw symbol name followed by C symbol from nm. 188AC_MSG_CHECKING([command to parse $NM output]) 189AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [dnl 190 191# These are sane defaults that work on at least a few old systems. 192# [They come from Ultrix. What could be older than Ultrix?!! ;)] 193 194# Character class describing NM global symbol codes. 195symcode='[[BCDEGRST]]' 196 197# Regexp to match symbols that can be accessed directly from C. 198sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' 199 200# Transform the above into a raw symbol and a C symbol. 201symxfrm='\1 \2\3 \3' 202 203# Transform an extracted symbol line into a proper C declaration 204lt_cv_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" 205 206# Transform an extracted symbol line into symbol name and symbol address 207lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'" 208 209# Define system-specific variables. 210case $host_os in 211aix*) 212 symcode='[[BCDT]]' 213 ;; 214cygwin* | mingw* | pw32*) 215 symcode='[[ABCDGISTW]]' 216 ;; 217hpux*) # Its linker distinguishes data from code symbols 218 lt_cv_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" 219 lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'" 220 ;; 221irix* | nonstopux*) 222 symcode='[[BCDEGRST]]' 223 ;; 224osf*) 225 symcode='[[BCDEGQRST]]' 226 ;; 227solaris* | sysv5*) 228 symcode='[[BDT]]' 229 ;; 230sysv4) 231 symcode='[[DFNSTU]]' 232 ;; 233esac 234 235# Handle CRLF in mingw tool chain 236opt_cr= 237case $host_os in 238mingw*) 239 opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp 240 ;; 241esac 242 243# If we're using GNU nm, then use its standard symbol codes. 244if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then 245 symcode='[[ABCDGISTW]]' 246fi 247 248# Try without a prefix undercore, then with it. 249for ac_symprfx in "" "_"; do 250 251 # Write the raw and C identifiers. 252lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*\($ac_symprfx\)$sympat$opt_cr$/$symxfrm/p'" 253 254 # Check to see that the pipe works correctly. 255 pipe_works=no 256 rm -f conftest* 257 cat > conftest.$ac_ext <<EOF 258#ifdef __cplusplus 259extern "C" { 260#endif 261char nm_test_var; 262void nm_test_func(){} 263#ifdef __cplusplus 264} 265#endif 266int main(){nm_test_var='a';nm_test_func();return(0);} 267EOF 268 269 if AC_TRY_EVAL(ac_compile); then 270 # Now try to grab the symbols. 271 nlist=conftest.nm 272 if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then 273 # Try sorting and uniquifying the output. 274 if sort "$nlist" | uniq > "$nlist"T; then 275 mv -f "$nlist"T "$nlist" 276 else 277 rm -f "$nlist"T 278 fi 279 280 # Make sure that we snagged all the symbols we need. 281 if egrep ' nm_test_var$' "$nlist" >/dev/null; then 282 if egrep ' nm_test_func$' "$nlist" >/dev/null; then 283 cat <<EOF > conftest.$ac_ext 284#ifdef __cplusplus 285extern "C" { 286#endif 287 288EOF 289 # Now generate the symbol file. 290 eval "$lt_cv_global_symbol_to_cdecl"' < "$nlist" >> conftest.$ac_ext' 291 292 cat <<EOF >> conftest.$ac_ext 293#if defined (__STDC__) && __STDC__ 294# define lt_ptr void * 295#else 296# define lt_ptr char * 297# define const 298#endif 299 300/* The mapping between symbol names and symbols. */ 301const struct { 302 const char *name; 303 lt_ptr address; 304} 305lt_preloaded_symbols[[]] = 306{ 307EOF 308 sed "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (lt_ptr) \&\2},/" < "$nlist" >> conftest.$ac_ext 309 cat <<\EOF >> conftest.$ac_ext 310 {0, (lt_ptr) 0} 311}; 312 313#ifdef __cplusplus 314} 315#endif 316EOF 317 # Now try linking the two files. 318 mv conftest.$ac_objext conftstm.$ac_objext 319 save_LIBS="$LIBS" 320 save_CFLAGS="$CFLAGS" 321 LIBS="conftstm.$ac_objext" 322 CFLAGS="$CFLAGS$no_builtin_flag" 323 if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then 324 pipe_works=yes 325 fi 326 LIBS="$save_LIBS" 327 CFLAGS="$save_CFLAGS" 328 else 329 echo "cannot find nm_test_func in $nlist" >&AC_FD_CC 330 fi 331 else 332 echo "cannot find nm_test_var in $nlist" >&AC_FD_CC 333 fi 334 else 335 echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AC_FD_CC 336 fi 337 else 338 echo "$progname: failed program was:" >&AC_FD_CC 339 cat conftest.$ac_ext >&5 340 fi 341 rm -f conftest* conftst* 342 343 # Do not use the global_symbol_pipe unless it works. 344 if test "$pipe_works" = yes; then 345 break 346 else 347 lt_cv_sys_global_symbol_pipe= 348 fi 349done 350]) 351global_symbol_pipe="$lt_cv_sys_global_symbol_pipe" 352if test -z "$lt_cv_sys_global_symbol_pipe"; then 353 global_symbol_to_cdecl= 354 global_symbol_to_c_name_address= 355else 356 global_symbol_to_cdecl="$lt_cv_global_symbol_to_cdecl" 357 global_symbol_to_c_name_address="$lt_cv_global_symbol_to_c_name_address" 358fi 359if test -z "$global_symbol_pipe$global_symbol_to_cdec$global_symbol_to_c_name_address"; 360then 361 AC_MSG_RESULT(failed) 362else 363 AC_MSG_RESULT(ok) 364fi 365]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE 366 367# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR 368# --------------------------------- 369AC_DEFUN([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR], 370[# Find the correct PATH separator. Usually this is `:', but 371# DJGPP uses `;' like DOS. 372if test "X${PATH_SEPARATOR+set}" != Xset; then 373 UNAME=${UNAME-`uname 2>/dev/null`} 374 case X$UNAME in 375 *-DOS) lt_cv_sys_path_separator=';' ;; 376 *) lt_cv_sys_path_separator=':' ;; 377 esac 378 PATH_SEPARATOR=$lt_cv_sys_path_separator 379fi 380])# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR 381 382# _LT_AC_PROG_ECHO_BACKSLASH 383# -------------------------- 384# Add some code to the start of the generated configure script which 385# will find an echo command which doesn't interpret backslashes. 386AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH], 387[ifdef([AC_DIVERSION_NOTICE], [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)], 388 [AC_DIVERT_PUSH(NOTICE)]) 389_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR 390 391# Check that we are running under the correct shell. 392SHELL=${CONFIG_SHELL-/bin/sh} 393 394case X$ECHO in 395X*--fallback-echo) 396 # Remove one level of quotation (which was required for Make). 397 ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','` 398 ;; 399esac 400 401echo=${ECHO-echo} 402if test "X[$]1" = X--no-reexec; then 403 # Discard the --no-reexec flag, and continue. 404 shift 405elif test "X[$]1" = X--fallback-echo; then 406 # Avoid inline document here, it may be left over 407 : 408elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then 409 # Yippee, $echo works! 410 : 411else 412 # Restart under the correct shell. 413 exec $SHELL "[$]0" --no-reexec ${1+"[$]@"} 414fi 415 416if test "X[$]1" = X--fallback-echo; then 417 # used as fallback echo 418 shift 419 cat <<EOF 420$* 421EOF 422 exit 0 423fi 424 425# The HP-UX ksh and POSIX shell print the target directory to stdout 426# if CDPATH is set. 427if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi 428 429if test -z "$ECHO"; then 430if test "X${echo_test_string+set}" != Xset; then 431# find a string as large as possible, as long as the shell can cope with it 432 for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do 433 # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ... 434 if (echo_test_string="`eval $cmd`") 2>/dev/null && 435 echo_test_string="`eval $cmd`" && 436 (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null 437 then 438 break 439 fi 440 done 441fi 442 443if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && 444 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` && 445 test "X$echo_testing_string" = "X$echo_test_string"; then 446 : 447else 448 # The Solaris, AIX, and Digital Unix default echo programs unquote 449 # backslashes. This makes it impossible to quote backslashes using 450 # echo "$something" | sed 's/\\/\\\\/g' 451 # 452 # So, first we look for a working echo in the user's PATH. 453 454 IFS="${IFS= }"; save_ifs="$IFS"; IFS=$PATH_SEPARATOR 455 for dir in $PATH /usr/ucb; do 456 if (test -f $dir/echo || test -f $dir/echo$ac_exeext) && 457 test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' && 458 echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` && 459 test "X$echo_testing_string" = "X$echo_test_string"; then 460 echo="$dir/echo" 461 break 462 fi 463 done 464 IFS="$save_ifs" 465 466 if test "X$echo" = Xecho; then 467 # We didn't find a better echo, so look for alternatives. 468 if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' && 469 echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` && 470 test "X$echo_testing_string" = "X$echo_test_string"; then 471 # This shell has a builtin print -r that does the trick. 472 echo='print -r' 473 elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) && 474 test "X$CONFIG_SHELL" != X/bin/ksh; then 475 # If we have ksh, try running configure again with it. 476 ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} 477 export ORIGINAL_CONFIG_SHELL 478 CONFIG_SHELL=/bin/ksh 479 export CONFIG_SHELL 480 exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"} 481 else 482 # Try using printf. 483 echo='printf %s\n' 484 if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && 485 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` && 486 test "X$echo_testing_string" = "X$echo_test_string"; then 487 # Cool, printf works 488 : 489 elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && 490 test "X$echo_testing_string" = 'X\t' && 491 echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && 492 test "X$echo_testing_string" = "X$echo_test_string"; then 493 CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL 494 export CONFIG_SHELL 495 SHELL="$CONFIG_SHELL" 496 export SHELL 497 echo="$CONFIG_SHELL [$]0 --fallback-echo" 498 elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && 499 test "X$echo_testing_string" = 'X\t' && 500 echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && 501 test "X$echo_testing_string" = "X$echo_test_string"; then 502 echo="$CONFIG_SHELL [$]0 --fallback-echo" 503 else 504 # maybe with a smaller string... 505 prev=: 506 507 for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do 508 if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null 509 then 510 break 511 fi 512 prev="$cmd" 513 done 514 515 if test "$prev" != 'sed 50q "[$]0"'; then 516 echo_test_string=`eval $prev` 517 export echo_test_string 518 exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"} 519 else 520 # Oops. We lost completely, so just stick with echo. 521 echo=echo 522 fi 523 fi 524 fi 525 fi 526fi 527fi 528 529# Copy echo and quote the copy suitably for passing to libtool from 530# the Makefile, instead of quoting the original, which is used later. 531ECHO=$echo 532if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then 533 ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo" 534fi 535 536AC_SUBST(ECHO) 537AC_DIVERT_POP 538])# _LT_AC_PROG_ECHO_BACKSLASH 539 540# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, 541# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) 542# ------------------------------------------------------------------ 543AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF], 544[if test "$cross_compiling" = yes; then : 545 [$4] 546else 547 AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl 548 lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 549 lt_status=$lt_dlunknown 550 cat > conftest.$ac_ext <<EOF 551[#line __oline__ "configure" 552#include "confdefs.h" 553 554#if HAVE_DLFCN_H 555#include <dlfcn.h> 556#endif 557 558#include <stdio.h> 559 560#ifdef RTLD_GLOBAL 561# define LT_DLGLOBAL RTLD_GLOBAL 562#else 563# ifdef DL_GLOBAL 564# define LT_DLGLOBAL DL_GLOBAL 565# else 566# define LT_DLGLOBAL 0 567# endif 568#endif 569 570/* We may have to define LT_DLLAZY_OR_NOW in the command line if we 571 find out it does not work in some platform. */ 572#ifndef LT_DLLAZY_OR_NOW 573# ifdef RTLD_LAZY 574# define LT_DLLAZY_OR_NOW RTLD_LAZY 575# else 576# ifdef DL_LAZY 577# define LT_DLLAZY_OR_NOW DL_LAZY 578# else 579# ifdef RTLD_NOW 580# define LT_DLLAZY_OR_NOW RTLD_NOW 581# else 582# ifdef DL_NOW 583# define LT_DLLAZY_OR_NOW DL_NOW 584# else 585# define LT_DLLAZY_OR_NOW 0 586# endif 587# endif 588# endif 589# endif 590#endif 591 592#ifdef __cplusplus 593extern "C" void exit (int); 594#endif 595 596void fnord() { int i=42;} 597int main () 598{ 599 void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); 600 int status = $lt_dlunknown; 601 602 if (self) 603 { 604 if (dlsym (self,"fnord")) status = $lt_dlno_uscore; 605 else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; 606 /* dlclose (self); */ 607 } 608 609 exit (status); 610}] 611EOF 612 if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then 613 (./conftest; exit; ) 2>/dev/null 614 lt_status=$? 615 case x$lt_status in 616 x$lt_dlno_uscore) $1 ;; 617 x$lt_dlneed_uscore) $2 ;; 618 x$lt_unknown|x*) $3 ;; 619 esac 620 else : 621 # compilation failed 622 $3 623 fi 624fi 625rm -fr conftest* 626])# _LT_AC_TRY_DLOPEN_SELF 627 628# AC_LIBTOOL_DLOPEN_SELF 629# ------------------- 630AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], 631[if test "x$enable_dlopen" != xyes; then 632 enable_dlopen=unknown 633 enable_dlopen_self=unknown 634 enable_dlopen_self_static=unknown 635else 636 lt_cv_dlopen=no 637 lt_cv_dlopen_libs= 638 639 case $host_os in 640 beos*) 641 lt_cv_dlopen="load_add_on" 642 lt_cv_dlopen_libs= 643 lt_cv_dlopen_self=yes 644 ;; 645 646 cygwin* | mingw* | pw32*) 647 lt_cv_dlopen="LoadLibrary" 648 lt_cv_dlopen_libs= 649 ;; 650 651 *) 652 AC_CHECK_FUNC([shl_load], 653 [lt_cv_dlopen="shl_load"], 654 [AC_CHECK_LIB([dld], [shl_load], 655 [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-dld"], 656 [AC_CHECK_FUNC([dlopen], 657 [lt_cv_dlopen="dlopen"], 658 [AC_CHECK_LIB([dl], [dlopen], 659 [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], 660 [AC_CHECK_LIB([svld], [dlopen], 661 [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], 662 [AC_CHECK_LIB([dld], [dld_link], 663 [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-dld"]) 664 ]) 665 ]) 666 ]) 667 ]) 668 ]) 669 ;; 670 esac 671 672 if test "x$lt_cv_dlopen" != xno; then 673 enable_dlopen=yes 674 else 675 enable_dlopen=no 676 fi 677 678 case $lt_cv_dlopen in 679 dlopen) 680 save_CPPFLAGS="$CPPFLAGS" 681 AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl 682 test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" 683 684 save_LDFLAGS="$LDFLAGS" 685 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" 686 687 save_LIBS="$LIBS" 688 LIBS="$lt_cv_dlopen_libs $LIBS" 689 690 AC_CACHE_CHECK([whether a program can dlopen itself], 691 lt_cv_dlopen_self, [dnl 692 _LT_AC_TRY_DLOPEN_SELF( 693 lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, 694 lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) 695 ]) 696 697 if test "x$lt_cv_dlopen_self" = xyes; then 698 LDFLAGS="$LDFLAGS $link_static_flag" 699 AC_CACHE_CHECK([whether a statically linked program can dlopen itself], 700 lt_cv_dlopen_self_static, [dnl 701 _LT_AC_TRY_DLOPEN_SELF( 702 lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, 703 lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) 704 ]) 705 fi 706 707 CPPFLAGS="$save_CPPFLAGS" 708 LDFLAGS="$save_LDFLAGS" 709 LIBS="$save_LIBS" 710 ;; 711 esac 712 713 case $lt_cv_dlopen_self in 714 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; 715 *) enable_dlopen_self=unknown ;; 716 esac 717 718 case $lt_cv_dlopen_self_static in 719 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; 720 *) enable_dlopen_self_static=unknown ;; 721 esac 722fi 723])# AC_LIBTOOL_DLOPEN_SELF 724 725AC_DEFUN([_LT_AC_LTCONFIG_HACK], 726[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl 727# Sed substitution that helps us do robust quoting. It backslashifies 728# metacharacters that are still active within double-quoted strings. 729Xsed='sed -e s/^X//' 730sed_quote_subst='s/\([[\\"\\`$\\\\]]\)/\\\1/g' 731 732# Same as above, but do not quote variable references. 733double_quote_subst='s/\([[\\"\\`\\\\]]\)/\\\1/g' 734 735# Sed substitution to delay expansion of an escaped shell variable in a 736# double_quote_subst'ed string. 737delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' 738 739# Constants: 740rm="rm -f" 741 742# Global variables: 743default_ofile=libtool 744can_build_shared=yes 745 746# All known linkers require a `.a' archive for static linking (except M$VC, 747# which needs '.lib'). 748libext=a 749ltmain="$ac_aux_dir/ltmain.sh" 750ofile="$default_ofile" 751with_gnu_ld="$lt_cv_prog_gnu_ld" 752need_locks="$enable_libtool_lock" 753 754old_CC="$CC" 755old_CFLAGS="$CFLAGS" 756 757# Set sane defaults for various variables 758test -z "$AR" && AR=ar 759test -z "$AR_FLAGS" && AR_FLAGS=cru 760test -z "$AS" && AS=as 761test -z "$CC" && CC=cc 762test -z "$DLLTOOL" && DLLTOOL=dlltool 763test -z "$LD" && LD=ld 764test -z "$LN_S" && LN_S="ln -s" 765test -z "$MAGIC_CMD" && MAGIC_CMD=file 766test -z "$NM" && NM=nm 767test -z "$OBJDUMP" && OBJDUMP=objdump 768test -z "$RANLIB" && RANLIB=: 769test -z "$STRIP" && STRIP=: 770test -z "$ac_objext" && ac_objext=o 771 772if test x"$host" != x"$build"; then 773 ac_tool_prefix=${host_alias}- 774else 775 ac_tool_prefix= 776fi 777 778# Transform linux* to *-*-linux-gnu*, to support old configure scripts. 779case $host_os in 780linux-gnu*) ;; 781linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` 782esac 783 784case $host_os in 785aix3*) 786 # AIX sometimes has problems with the GCC collect2 program. For some 787 # reason, if we set the COLLECT_NAMES environment variable, the problems 788 # vanish in a puff of smoke. 789 if test "X${COLLECT_NAMES+set}" != Xset; then 790 COLLECT_NAMES= 791 export COLLECT_NAMES 792 fi 793 ;; 794esac 795 796# Determine commands to create old-style static archives. 797old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs' 798old_postinstall_cmds='chmod 644 $oldlib' 799old_postuninstall_cmds= 800 801if test -n "$RANLIB"; then 802 case $host_os in 803 openbsd*) 804 old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds" 805 ;; 806 *) 807 old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" 808 ;; 809 esac 810 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" 811fi 812 813# Allow CC to be a program name with arguments. 814set dummy $CC 815compiler="[$]2" 816 817## FIXME: this should be a separate macro 818## 819AC_MSG_CHECKING([for objdir]) 820rm -f .libs 2>/dev/null 821mkdir .libs 2>/dev/null 822if test -d .libs; then 823 objdir=.libs 824else 825 # MS-DOS does not allow filenames that begin with a dot. 826 objdir=_libs 827fi 828rmdir .libs 2>/dev/null 829AC_MSG_RESULT($objdir) 830## 831## END FIXME 832 833 834## FIXME: this should be a separate macro 835## 836AC_ARG_WITH(pic, 837[ --with-pic try to use only PIC/non-PIC objects [default=use both]], 838pic_mode="$withval", pic_mode=default) 839test -z "$pic_mode" && pic_mode=default 840 841# We assume here that the value for lt_cv_prog_cc_pic will not be cached 842# in isolation, and that seeing it set (from the cache) indicates that 843# the associated values are set (in the cache) correctly too. 844AC_MSG_CHECKING([for $compiler option to produce PIC]) 845AC_CACHE_VAL(lt_cv_prog_cc_pic, 846[ lt_cv_prog_cc_pic= 847 lt_cv_prog_cc_shlib= 848 lt_cv_prog_cc_wl= 849 lt_cv_prog_cc_static= 850 lt_cv_prog_cc_no_builtin= 851 lt_cv_prog_cc_can_build_shared=$can_build_shared 852 853 if test "$GCC" = yes; then 854 lt_cv_prog_cc_wl='-Wl,' 855 lt_cv_prog_cc_static='-static' 856 857 case $host_os in 858 aix*) 859 # Below there is a dirty hack to force normal static linking with -ldl 860 # The problem is because libdl dynamically linked with both libc and 861 # libC (AIX C++ library), which obviously doesn't included in libraries 862 # list by gcc. This cause undefined symbols with -static flags. 863 # This hack allows C programs to be linked with "-static -ldl", but 864 # not sure about C++ programs. 865 lt_cv_prog_cc_static="$lt_cv_prog_cc_static ${lt_cv_prog_cc_wl}-lC" 866 ;; 867 amigaos*) 868 # FIXME: we need at least 68020 code to build shared libraries, but 869 # adding the `-m68020' flag to GCC prevents building anything better, 870 # like `-m68040'. 871 lt_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' 872 ;; 873 beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) 874 # PIC is the default for these OSes. 875 ;; 876 darwin* | rhapsody*) 877 # PIC is the default on this platform 878 # Common symbols not allowed in MH_DYLIB files 879 lt_cv_prog_cc_pic='-fno-common' 880 ;; 881 cygwin* | mingw* | pw32* | os2*) 882 # This hack is so that the source file can tell whether it is being 883 # built for inclusion in a dll (and should export symbols for example). 884 lt_cv_prog_cc_pic='-DDLL_EXPORT' 885 ;; 886 sysv4*MP*) 887 if test -d /usr/nec; then 888 lt_cv_prog_cc_pic=-Kconform_pic 889 fi 890 ;; 891 *) 892 lt_cv_prog_cc_pic='-fPIC' 893 ;; 894 esac 895 else 896 # PORTME Check for PIC flags for the system compiler. 897 case $host_os in 898 aix3* | aix4* | aix5*) 899 lt_cv_prog_cc_wl='-Wl,' 900 # All AIX code is PIC. 901 if test "$host_cpu" = ia64; then 902 # AIX 5 now supports IA64 processor 903 lt_cv_prog_cc_static='-Bstatic' 904 else 905 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 906 fi 907 ;; 908 909 hpux9* | hpux10* | hpux11*) 910 # Is there a better lt_cv_prog_cc_static that works with the bundled CC? 911 lt_cv_prog_cc_wl='-Wl,' 912 lt_cv_prog_cc_static="${lt_cv_prog_cc_wl}-a ${lt_cv_prog_cc_wl}archive" 913 lt_cv_prog_cc_pic='+Z' 914 ;; 915 916 irix5* | irix6* | nonstopux*) 917 lt_cv_prog_cc_wl='-Wl,' 918 lt_cv_prog_cc_static='-non_shared' 919 # PIC (with -KPIC) is the default. 920 ;; 921 922 cygwin* | mingw* | pw32* | os2*) 923 # This hack is so that the source file can tell whether it is being 924 # built for inclusion in a dll (and should export symbols for example). 925 lt_cv_prog_cc_pic='-DDLL_EXPORT' 926 ;; 927 928 newsos6) 929 lt_cv_prog_cc_pic='-KPIC' 930 lt_cv_prog_cc_static='-Bstatic' 931 ;; 932 933 osf3* | osf4* | osf5*) 934 # All OSF/1 code is PIC. 935 lt_cv_prog_cc_wl='-Wl,' 936 lt_cv_prog_cc_static='-non_shared' 937 ;; 938 939 sco3.2v5*) 940 lt_cv_prog_cc_pic='-Kpic' 941 lt_cv_prog_cc_static='-dn' 942 lt_cv_prog_cc_shlib='-belf' 943 ;; 944 945 solaris*) 946 lt_cv_prog_cc_pic='-KPIC' 947 lt_cv_prog_cc_static='-Bstatic' 948 lt_cv_prog_cc_wl='-Wl,' 949 ;; 950 951 sunos4*) 952 lt_cv_prog_cc_pic='-PIC' 953 lt_cv_prog_cc_static='-Bstatic' 954 lt_cv_prog_cc_wl='-Qoption ld ' 955 ;; 956 957 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 958 lt_cv_prog_cc_pic='-KPIC' 959 lt_cv_prog_cc_static='-Bstatic' 960 lt_cv_prog_cc_wl='-Wl,' 961 ;; 962 963 uts4*) 964 lt_cv_prog_cc_pic='-pic' 965 lt_cv_prog_cc_static='-Bstatic' 966 ;; 967 968 sysv4*MP*) 969 if test -d /usr/nec ;then 970 lt_cv_prog_cc_pic='-Kconform_pic' 971 lt_cv_prog_cc_static='-Bstatic' 972 fi 973 ;; 974 975 *) 976 lt_cv_prog_cc_can_build_shared=no 977 ;; 978 esac 979 fi 980]) 981if test -z "$lt_cv_prog_cc_pic"; then 982 AC_MSG_RESULT([none]) 983else 984 AC_MSG_RESULT([$lt_cv_prog_cc_pic]) 985 986 # Check to make sure the pic_flag actually works. 987 AC_MSG_CHECKING([if $compiler PIC flag $lt_cv_prog_cc_pic works]) 988 AC_CACHE_VAL(lt_cv_prog_cc_pic_works, [dnl 989 save_CFLAGS="$CFLAGS" 990 CFLAGS="$CFLAGS $lt_cv_prog_cc_pic -DPIC" 991 AC_TRY_COMPILE([], [], [dnl 992 case $host_os in 993 hpux9* | hpux10* | hpux11*) 994 # On HP-UX, both CC and GCC only warn that PIC is supported... then 995 # they create non-PIC objects. So, if there were any warnings, we 996 # assume that PIC is not supported. 997 if test -s conftest.err; then 998 lt_cv_prog_cc_pic_works=no 999 else 1000 lt_cv_prog_cc_pic_works=yes 1001 fi 1002 ;; 1003 *) 1004 lt_cv_prog_cc_pic_works=yes 1005 ;; 1006 esac 1007 ], [dnl 1008 lt_cv_prog_cc_pic_works=no 1009 ]) 1010 CFLAGS="$save_CFLAGS" 1011 ]) 1012 1013 if test "X$lt_cv_prog_cc_pic_works" = Xno; then 1014 lt_cv_prog_cc_pic= 1015 lt_cv_prog_cc_can_build_shared=no 1016 else 1017 lt_cv_prog_cc_pic=" $lt_cv_prog_cc_pic" 1018 fi 1019 1020 AC_MSG_RESULT([$lt_cv_prog_cc_pic_works]) 1021fi 1022## 1023## END FIXME 1024 1025# Check for any special shared library compilation flags. 1026if test -n "$lt_cv_prog_cc_shlib"; then 1027 AC_MSG_WARN([\`$CC' requires \`$lt_cv_prog_cc_shlib' to build shared libraries]) 1028 if echo "$old_CC $old_CFLAGS " | egrep -e "[[ ]]$lt_cv_prog_cc_shlib[[ ]]" >/dev/null; then : 1029 else 1030 AC_MSG_WARN([add \`$lt_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure]) 1031 lt_cv_prog_cc_can_build_shared=no 1032 fi 1033fi 1034 1035## FIXME: this should be a separate macro 1036## 1037AC_MSG_CHECKING([if $compiler static flag $lt_cv_prog_cc_static works]) 1038AC_CACHE_VAL([lt_cv_prog_cc_static_works], [dnl 1039 lt_cv_prog_cc_static_works=no 1040 save_LDFLAGS="$LDFLAGS" 1041 LDFLAGS="$LDFLAGS $lt_cv_prog_cc_static" 1042 AC_TRY_LINK([], [], [lt_cv_prog_cc_static_works=yes]) 1043 LDFLAGS="$save_LDFLAGS" 1044]) 1045 1046# Belt *and* braces to stop my trousers falling down: 1047test "X$lt_cv_prog_cc_static_works" = Xno && lt_cv_prog_cc_static= 1048AC_MSG_RESULT([$lt_cv_prog_cc_static_works]) 1049 1050pic_flag="$lt_cv_prog_cc_pic" 1051special_shlib_compile_flags="$lt_cv_prog_cc_shlib" 1052wl="$lt_cv_prog_cc_wl" 1053link_static_flag="$lt_cv_prog_cc_static" 1054no_builtin_flag="$lt_cv_prog_cc_no_builtin" 1055can_build_shared="$lt_cv_prog_cc_can_build_shared" 1056## 1057## END FIXME 1058 1059 1060## FIXME: this should be a separate macro 1061## 1062# Check to see if options -o and -c are simultaneously supported by compiler 1063AC_MSG_CHECKING([if $compiler supports -c -o file.$ac_objext]) 1064AC_CACHE_VAL([lt_cv_compiler_c_o], [ 1065$rm -r conftest 2>/dev/null 1066mkdir conftest 1067cd conftest 1068echo "int some_variable = 0;" > conftest.$ac_ext 1069mkdir out 1070# According to Tom Tromey, Ian Lance Taylor reported there are C compilers 1071# that will create temporary files in the current directory regardless of 1072# the output directory. Thus, making CWD read-only will cause this test 1073# to fail, enabling locking or at least warning the user not to do parallel 1074# builds. 1075chmod -w . 1076save_CFLAGS="$CFLAGS" 1077CFLAGS="$CFLAGS -o out/conftest2.$ac_objext" 1078compiler_c_o=no 1079if { (eval echo configure:__oline__: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$ac_objext; then 1080 # The compiler can only warn and ignore the option if not recognized 1081 # So say no if there are warnings 1082 if test -s out/conftest.err; then 1083 lt_cv_compiler_c_o=no 1084 else 1085 lt_cv_compiler_c_o=yes 1086 fi 1087else 1088 # Append any errors to the config.log. 1089 cat out/conftest.err 1>&AC_FD_CC 1090 lt_cv_compiler_c_o=no 1091fi 1092CFLAGS="$save_CFLAGS" 1093chmod u+w . 1094$rm conftest* out/* 1095rmdir out 1096cd .. 1097rmdir conftest 1098$rm -r conftest 2>/dev/null 1099]) 1100compiler_c_o=$lt_cv_compiler_c_o 1101AC_MSG_RESULT([$compiler_c_o]) 1102 1103if test x"$compiler_c_o" = x"yes"; then 1104 # Check to see if we can write to a .lo 1105 AC_MSG_CHECKING([if $compiler supports -c -o file.lo]) 1106 AC_CACHE_VAL([lt_cv_compiler_o_lo], [ 1107 lt_cv_compiler_o_lo=no 1108 save_CFLAGS="$CFLAGS" 1109 CFLAGS="$CFLAGS -c -o conftest.lo" 1110 save_objext="$ac_objext" 1111 ac_objext=lo 1112 AC_TRY_COMPILE([], [int some_variable = 0;], [dnl 1113 # The compiler can only warn and ignore the option if not recognized 1114 # So say no if there are warnings 1115 if test -s conftest.err; then 1116 lt_cv_compiler_o_lo=no 1117 else 1118 lt_cv_compiler_o_lo=yes 1119 fi 1120 ]) 1121 ac_objext="$save_objext" 1122 CFLAGS="$save_CFLAGS" 1123 ]) 1124 compiler_o_lo=$lt_cv_compiler_o_lo 1125 AC_MSG_RESULT([$compiler_o_lo]) 1126else 1127 compiler_o_lo=no 1128fi 1129## 1130## END FIXME 1131 1132## FIXME: this should be a separate macro 1133## 1134# Check to see if we can do hard links to lock some files if needed 1135hard_links="nottested" 1136if test "$compiler_c_o" = no && test "$need_locks" != no; then 1137 # do not overwrite the value of need_locks provided by the user 1138 AC_MSG_CHECKING([if we can lock with hard links]) 1139 hard_links=yes 1140 $rm conftest* 1141 ln conftest.a conftest.b 2>/dev/null && hard_links=no 1142 touch conftest.a 1143 ln conftest.a conftest.b 2>&5 || hard_links=no 1144 ln conftest.a conftest.b 2>/dev/null && hard_links=no 1145 AC_MSG_RESULT([$hard_links]) 1146 if test "$hard_links" = no; then 1147 AC_MSG_WARN([\`$CC' does not support \`-c -o', so \`make -j' may be unsafe]) 1148 need_locks=warn 1149 fi 1150else 1151 need_locks=no 1152fi 1153## 1154## END FIXME 1155 1156## FIXME: this should be a separate macro 1157## 1158if test "$GCC" = yes; then 1159 # Check to see if options -fno-rtti -fno-exceptions are supported by compiler 1160 AC_MSG_CHECKING([if $compiler supports -fno-rtti -fno-exceptions]) 1161 echo "int some_variable = 0;" > conftest.$ac_ext 1162 save_CFLAGS="$CFLAGS" 1163 CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.$ac_ext" 1164 compiler_rtti_exceptions=no 1165 AC_TRY_COMPILE([], [int some_variable = 0;], [dnl 1166 # The compiler can only warn and ignore the option if not recognized 1167 # So say no if there are warnings 1168 if test -s conftest.err; then 1169 compiler_rtti_exceptions=no 1170 else 1171 compiler_rtti_exceptions=yes 1172 fi 1173 ]) 1174 CFLAGS="$save_CFLAGS" 1175 AC_MSG_RESULT([$compiler_rtti_exceptions]) 1176 1177 if test "$compiler_rtti_exceptions" = "yes"; then 1178 no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions' 1179 else 1180 no_builtin_flag=' -fno-builtin' 1181 fi 1182fi 1183## 1184## END FIXME 1185 1186## FIXME: this should be a separate macro 1187## 1188# See if the linker supports building shared libraries. 1189AC_MSG_CHECKING([whether the linker ($LD) supports shared libraries]) 1190 1191allow_undefined_flag= 1192no_undefined_flag= 1193need_lib_prefix=unknown 1194need_version=unknown 1195# when you set need_version to no, make sure it does not cause -set_version 1196# flags to be left without arguments 1197archive_cmds= 1198archive_expsym_cmds= 1199old_archive_from_new_cmds= 1200old_archive_from_expsyms_cmds= 1201export_dynamic_flag_spec= 1202whole_archive_flag_spec= 1203thread_safe_flag_spec= 1204hardcode_into_libs=no 1205hardcode_libdir_flag_spec= 1206hardcode_libdir_separator= 1207hardcode_direct=no 1208hardcode_minus_L=no 1209hardcode_shlibpath_var=unsupported 1210runpath_var= 1211link_all_deplibs=unknown 1212always_export_symbols=no 1213export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols' 1214# include_expsyms should be a list of space-separated symbols to be *always* 1215# included in the symbol list 1216include_expsyms= 1217# exclude_expsyms can be an egrep regular expression of symbols to exclude 1218# it will be wrapped by ` (' and `)$', so one must not match beginning or 1219# end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', 1220# as well as any symbol that contains `d'. 1221exclude_expsyms="_GLOBAL_OFFSET_TABLE_" 1222# Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out 1223# platforms (ab)use it in PIC code, but their linkers get confused if 1224# the symbol is explicitly referenced. Since portable code cannot 1225# rely on this symbol name, it's probably fine to never include it in 1226# preloaded symbol tables. 1227extract_expsyms_cmds= 1228 1229case $host_os in 1230cygwin* | mingw* | pw32*) 1231 # FIXME: the MSVC++ port hasn't been tested in a loooong time 1232 # When not using gcc, we currently assume that we are using 1233 # Microsoft Visual C++. 1234 if test "$GCC" != yes; then 1235 with_gnu_ld=no 1236 fi 1237 ;; 1238openbsd*) 1239 with_gnu_ld=no 1240 ;; 1241esac 1242 1243ld_shlibs=yes 1244if test "$with_gnu_ld" = yes; then 1245 # If archive_cmds runs LD, not CC, wlarc should be empty 1246 wlarc='${wl}' 1247 1248 # See if GNU ld supports shared libraries. 1249 case $host_os in 1250 aix3* | aix4* | aix5*) 1251 # On AIX, the GNU linker is very broken 1252 # Note:Check GNU linker on AIX 5-IA64 when/if it becomes available. 1253 ld_shlibs=no 1254 cat <<EOF 1>&2 1255 1256*** Warning: the GNU linker, at least up to release 2.9.1, is reported 1257*** to be unable to reliably create shared libraries on AIX. 1258*** Therefore, libtool is disabling shared libraries support. If you 1259*** really care for shared libraries, you may want to modify your PATH 1260*** so that a non-GNU linker is found, and then restart. 1261 1262EOF 1263 ;; 1264 1265 amigaos*) 1266 archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' 1267 hardcode_libdir_flag_spec='-L$libdir' 1268 hardcode_minus_L=yes 1269 1270 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports 1271 # that the semantics of dynamic libraries on AmigaOS, at least up 1272 # to version 4, is to share data among multiple programs linked 1273 # with the same dynamic library. Since this doesn't match the 1274 # behavior of shared libraries on other platforms, we can use 1275 # them. 1276 ld_shlibs=no 1277 ;; 1278 1279 beos*) 1280 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 1281 allow_undefined_flag=unsupported 1282 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc 1283 # support --undefined. This deserves some investigation. FIXME 1284 archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 1285 else 1286 ld_shlibs=no 1287 fi 1288 ;; 1289 1290 cygwin* | mingw* | pw32*) 1291 # hardcode_libdir_flag_spec is actually meaningless, as there is 1292 # no search path for DLLs. 1293 hardcode_libdir_flag_spec='-L$libdir' 1294 allow_undefined_flag=unsupported 1295 always_export_symbols=yes 1296 1297 extract_expsyms_cmds='test -f $output_objdir/impgen.c || \ 1298 sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //;s/^# *$//; p; }" -e d < $''0 > $output_objdir/impgen.c~ 1299 test -f $output_objdir/impgen.exe || (cd $output_objdir && \ 1300 if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \ 1301 else $CC -o impgen impgen.c ; fi)~ 1302 $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def' 1303 1304 old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib' 1305 1306 # cygwin and mingw dlls have different entry points and sets of symbols 1307 # to exclude. 1308 # FIXME: what about values for MSVC? 1309 dll_entry=__cygwin_dll_entry@12 1310 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~ 1311 case $host_os in 1312 mingw*) 1313 # mingw values 1314 dll_entry=_DllMainCRTStartup@12 1315 dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~ 1316 ;; 1317 esac 1318 1319 # mingw and cygwin differ, and it's simplest to just exclude the union 1320 # of the two symbol sets. 1321 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12 1322 1323 # recent cygwin and mingw systems supply a stub DllMain which the user 1324 # can override, but on older systems we have to supply one (in ltdll.c) 1325 if test "x$lt_cv_need_dllmain" = "xyes"; then 1326 ltdll_obj='$output_objdir/$soname-ltdll.'"$ac_objext " 1327 ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $''0 > $output_objdir/$soname-ltdll.c~ 1328 test -f $output_objdir/$soname-ltdll.$ac_objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~' 1329 else 1330 ltdll_obj= 1331 ltdll_cmds= 1332 fi 1333 1334 # Extract the symbol export list from an `--export-all' def file, 1335 # then regenerate the def file from the symbol export list, so that 1336 # the compiled dll only exports the symbol export list. 1337 # Be careful not to strip the DATA tag left be newer dlltools. 1338 export_symbols_cmds="$ltdll_cmds"' 1339 $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~ 1340 sed -e "1,/EXPORTS/d" -e "s/ @ [[0-9]]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols' 1341 1342 # If the export-symbols file already is a .def file (1st line 1343 # is EXPORTS), use it as is. 1344 # If DATA tags from a recent dlltool are present, honour them! 1345 archive_expsym_cmds='if test "x`sed 1q $export_symbols`" = xEXPORTS; then 1346 cp $export_symbols $output_objdir/$soname-def; 1347 else 1348 echo EXPORTS > $output_objdir/$soname-def; 1349 _lt_hint=1; 1350 cat $export_symbols | while read symbol; do 1351 set dummy \$symbol; 1352 case \[$]# in 1353 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;; 1354 4) echo " \[$]2 \[$]3 \[$]4 ; " >> $output_objdir/$soname-def; _lt_hint=`expr \$_lt_hint - 1`;; 1355 *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;; 1356 esac; 1357 _lt_hint=`expr 1 + \$_lt_hint`; 1358 done; 1359 fi~ 1360 '"$ltdll_cmds"' 1361 $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ 1362 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~ 1363 $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ 1364 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~ 1365 $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags' 1366 ;; 1367 1368 netbsd*) 1369 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 1370 archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' 1371 wlarc= 1372 else 1373 archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 1374 archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 1375 fi 1376 ;; 1377 1378 solaris* | sysv5*) 1379 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then 1380 ld_shlibs=no 1381 cat <<EOF 1>&2 1382 1383*** Warning: The releases 2.8.* of the GNU linker cannot reliably 1384*** create shared libraries on Solaris systems. Therefore, libtool 1385*** is disabling shared libraries support. We urge you to upgrade GNU 1386*** binutils to release 2.9.1 or newer. Another option is to modify 1387*** your PATH or compiler configuration so that the native linker is 1388*** used, and then restart. 1389 1390EOF 1391 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 1392 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 1393 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 1394 else 1395 ld_shlibs=no 1396 fi 1397 ;; 1398 1399 sunos4*) 1400 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' 1401 wlarc= 1402 hardcode_direct=yes 1403 hardcode_shlibpath_var=no 1404 ;; 1405 1406 *) 1407 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 1408 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 1409 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 1410 else 1411 ld_shlibs=no 1412 fi 1413 ;; 1414 esac 1415 1416 if test "$ld_shlibs" = yes; then 1417 runpath_var=LD_RUN_PATH 1418 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' 1419 export_dynamic_flag_spec='${wl}--export-dynamic' 1420 case $host_os in 1421 cygwin* | mingw* | pw32*) 1422 # dlltool doesn't understand --whole-archive et. al. 1423 whole_archive_flag_spec= 1424 ;; 1425 *) 1426 # ancient GNU ld didn't support --whole-archive et. al. 1427 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then 1428 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' 1429 else 1430 whole_archive_flag_spec= 1431 fi 1432 ;; 1433 esac 1434 fi 1435else 1436 # PORTME fill in a description of your system's linker (not GNU ld) 1437 case $host_os in 1438 aix3*) 1439 allow_undefined_flag=unsupported 1440 always_export_symbols=yes 1441 archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' 1442 # Note: this linker hardcodes the directories in LIBPATH if there 1443 # are no directories specified by -L. 1444 hardcode_minus_L=yes 1445 if test "$GCC" = yes && test -z "$link_static_flag"; then 1446 # Neither direct hardcoding nor static linking is supported with a 1447 # broken collect2. 1448 hardcode_direct=unsupported 1449 fi 1450 ;; 1451 1452 aix4* | aix5*) 1453 if test "$host_cpu" = ia64; then 1454 # On IA64, the linker does run time linking by default, so we don't 1455 # have to do anything special. 1456 aix_use_runtimelinking=no 1457 exp_sym_flag='-Bexport' 1458 no_entry_flag="" 1459 else 1460 aix_use_runtimelinking=no 1461 1462 # Test if we are trying to use run time linking or normal 1463 # AIX style linking. If -brtl is somewhere in LDFLAGS, we 1464 # need to do runtime linking. 1465 case $host_os in aix4.[[23]]|aix4.[[23]].*|aix5*) 1466 for ld_flag in $LDFLAGS; do 1467 case $ld_flag in 1468 *-brtl*) 1469 aix_use_runtimelinking=yes 1470 break 1471 ;; 1472 esac 1473 done 1474 esac 1475 1476 exp_sym_flag='-bexport' 1477 no_entry_flag='-bnoentry' 1478 fi 1479 1480 # When large executables or shared objects are built, AIX ld can 1481 # have problems creating the table of contents. If linking a library 1482 # or program results in "error TOC overflow" add -mminimal-toc to 1483 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not 1484 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. 1485 1486 hardcode_direct=yes 1487 archive_cmds='' 1488 hardcode_libdir_separator=':' 1489 if test "$GCC" = yes; then 1490 case $host_os in aix4.[[012]]|aix4.[[012]].*) 1491 collect2name=`${CC} -print-prog-name=collect2` 1492 if test -f "$collect2name" && \ 1493 strings "$collect2name" | grep resolve_lib_name >/dev/null 1494 then 1495 # We have reworked collect2 1496 hardcode_direct=yes 1497 else 1498 # We have old collect2 1499 hardcode_direct=unsupported 1500 # It fails to find uninstalled libraries when the uninstalled 1501 # path is not listed in the libpath. Setting hardcode_minus_L 1502 # to unsupported forces relinking 1503 hardcode_minus_L=yes 1504 hardcode_libdir_flag_spec='-L$libdir' 1505 hardcode_libdir_separator= 1506 fi 1507 esac 1508 1509 shared_flag='-shared' 1510 else 1511 # not using gcc 1512 if test "$host_cpu" = ia64; then 1513 shared_flag='${wl}-G' 1514 else 1515 if test "$aix_use_runtimelinking" = yes; then 1516 shared_flag='${wl}-G' 1517 else 1518 shared_flag='${wl}-bM:SRE' 1519 fi 1520 fi 1521 fi 1522 1523 # It seems that -bexpall can do strange things, so it is better to 1524 # generate a list of symbols to export. 1525 always_export_symbols=yes 1526 if test "$aix_use_runtimelinking" = yes; then 1527 # Warning - without using the other runtime loading flags (-brtl), 1528 # -berok will link without error, but may produce a broken library. 1529 allow_undefined_flag='-berok' 1530 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 1531 archive_expsym_cmds="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols $shared_flag" 1532 else 1533 if test "$host_cpu" = ia64; then 1534 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' 1535 allow_undefined_flag="-z nodefs" 1536 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname ${wl}-h$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" 1537 else 1538 hardcode_libdir_flag_spec='${wl}-bnolibpath ${wl}-blibpath:$libdir:/usr/lib:/lib' 1539 # Warning - without using the other run time loading flags, 1540 # -berok will link without error, but may produce a broken library. 1541 allow_undefined_flag='${wl}-berok' 1542 # This is a bit strange, but is similar to how AIX traditionally builds 1543 # it's shared libraries. 1544 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"' ~$AR -crlo $objdir/$libname$release.a $objdir/$soname' 1545 fi 1546 fi 1547 ;; 1548 1549 amigaos*) 1550 archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' 1551 hardcode_libdir_flag_spec='-L$libdir' 1552 hardcode_minus_L=yes 1553 # see comment about different semantics on the GNU ld section 1554 ld_shlibs=no 1555 ;; 1556 1557 cygwin* | mingw* | pw32*) 1558 # When not using gcc, we currently assume that we are using 1559 # Microsoft Visual C++. 1560 # hardcode_libdir_flag_spec is actually meaningless, as there is 1561 # no search path for DLLs. 1562 hardcode_libdir_flag_spec=' ' 1563 allow_undefined_flag=unsupported 1564 # Tell ltmain to make .lib files, not .a files. 1565 libext=lib 1566 # FIXME: Setting linknames here is a bad hack. 1567 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' 1568 # The linker will automatically build a .lib file if we build a DLL. 1569 old_archive_from_new_cmds='true' 1570 # FIXME: Should let the user specify the lib program. 1571 old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' 1572 fix_srcfile_path='`cygpath -w "$srcfile"`' 1573 ;; 1574 1575 darwin* | rhapsody*) 1576 case "$host_os" in 1577 rhapsody* | darwin1.[[012]]) 1578 allow_undefined_flag='-undefined suppress' 1579 ;; 1580 *) # Darwin 1.3 on 1581 allow_undefined_flag='-flat_namespace -undefined suppress' 1582 ;; 1583 esac 1584 # FIXME: Relying on posixy $() will cause problems for 1585 # cross-compilation, but unfortunately the echo tests do not 1586 # yet detect zsh echo's removal of \ escapes. Also zsh mangles 1587 # `"' quotes if we put them in here... so don't! 1588 archive_cmds='$CC -r -keep_private_externs -nostdlib -o ${lib}-master.o $libobjs && $CC $(test .$module = .yes && echo -bundle || echo -dynamiclib) $allow_undefined_flag -o $lib ${lib}-master.o $deplibs$linker_flags $(test .$module != .yes && echo -install_name $rpath/$soname $verstring)' 1589 # We need to add '_' to the symbols in $export_symbols first 1590 #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols' 1591 hardcode_direct=yes 1592 hardcode_shlibpath_var=no 1593 whole_archive_flag_spec='-all_load $convenience' 1594 ;; 1595 1596 freebsd1*) 1597 ld_shlibs=no 1598 ;; 1599 1600 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor 1601 # support. Future versions do this automatically, but an explicit c++rt0.o 1602 # does not break anything, and helps significantly (at the cost of a little 1603 # extra space). 1604 freebsd2.2*) 1605 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' 1606 hardcode_libdir_flag_spec='-R$libdir' 1607 hardcode_direct=yes 1608 hardcode_shlibpath_var=no 1609 ;; 1610 1611 # Unfortunately, older versions of FreeBSD 2 do not have this feature. 1612 freebsd2*) 1613 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 1614 hardcode_direct=yes 1615 hardcode_minus_L=yes 1616 hardcode_shlibpath_var=no 1617 ;; 1618 1619 # FreeBSD 3 and greater uses gcc -shared to do shared libraries. 1620 freebsd*) 1621 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' 1622 hardcode_libdir_flag_spec='-R$libdir' 1623 hardcode_direct=yes 1624 hardcode_shlibpath_var=no 1625 ;; 1626 1627 hpux9* | hpux10* | hpux11*) 1628 case $host_os in 1629 hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; 1630 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; 1631 esac 1632 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 1633 hardcode_libdir_separator=: 1634 hardcode_direct=yes 1635 hardcode_minus_L=yes # Not in the search PATH, but as the default 1636 # location of the library. 1637 export_dynamic_flag_spec='${wl}-E' 1638 ;; 1639 1640 irix5* | irix6* | nonstopux*) 1641 if test "$GCC" = yes; then 1642 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' 1643 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 1644 else 1645 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib' 1646 hardcode_libdir_flag_spec='-rpath $libdir' 1647 fi 1648 hardcode_libdir_separator=: 1649 link_all_deplibs=yes 1650 ;; 1651 1652 netbsd*) 1653 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 1654 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out 1655 else 1656 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF 1657 fi 1658 hardcode_libdir_flag_spec='-R$libdir' 1659 hardcode_direct=yes 1660 hardcode_shlibpath_var=no 1661 ;; 1662 1663 newsos6) 1664 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 1665 hardcode_direct=yes 1666 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 1667 hardcode_libdir_separator=: 1668 hardcode_shlibpath_var=no 1669 ;; 1670 1671 openbsd*) 1672 hardcode_direct=yes 1673 hardcode_shlibpath_var=no 1674 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then 1675 archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' 1676 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 1677 export_dynamic_flag_spec='${wl}-E' 1678 else 1679 case "$host_os" in 1680 openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*) 1681 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 1682 hardcode_libdir_flag_spec='-R$libdir' 1683 ;; 1684 *) 1685 archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' 1686 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 1687 ;; 1688 esac 1689 fi 1690 ;; 1691 1692 os2*) 1693 hardcode_libdir_flag_spec='-L$libdir' 1694 hardcode_minus_L=yes 1695 allow_undefined_flag=unsupported 1696 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' 1697 old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' 1698 ;; 1699 1700 osf3*) 1701 if test "$GCC" = yes; then 1702 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 1703 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' 1704 else 1705 allow_undefined_flag=' -expect_unresolved \*' 1706 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib' 1707 fi 1708 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 1709 hardcode_libdir_separator=: 1710 ;; 1711 1712 osf4* | osf5*) # as osf3* with the addition of -msym flag 1713 if test "$GCC" = yes; then 1714 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 1715 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' 1716 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 1717 else 1718 allow_undefined_flag=' -expect_unresolved \*' 1719 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib' 1720 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~ 1721 $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp' 1722 1723 #Both c and cxx compiler support -rpath directly 1724 hardcode_libdir_flag_spec='-rpath $libdir' 1725 fi 1726 hardcode_libdir_separator=: 1727 ;; 1728 1729 sco3.2v5*) 1730 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 1731 hardcode_shlibpath_var=no 1732 runpath_var=LD_RUN_PATH 1733 hardcode_runpath_var=yes 1734 export_dynamic_flag_spec='${wl}-Bexport' 1735 ;; 1736 1737 solaris*) 1738 # gcc --version < 3.0 without binutils cannot create self contained 1739 # shared libraries reliably, requiring libgcc.a to resolve some of 1740 # the object symbols generated in some cases. Libraries that use 1741 # assert need libgcc.a to resolve __eprintf, for example. Linking 1742 # a copy of libgcc.a into every shared library to guarantee resolving 1743 # such symbols causes other problems: According to Tim Van Holder 1744 # <tim.van.holder@pandora.be>, C++ libraries end up with a separate 1745 # (to the application) exception stack for one thing. 1746 no_undefined_flag=' -z defs' 1747 if test "$GCC" = yes; then 1748 case `$CC --version 2>/dev/null` in 1749 [[12]].*) 1750 cat <<EOF 1>&2 1751 1752*** Warning: Releases of GCC earlier than version 3.0 cannot reliably 1753*** create self contained shared libraries on Solaris systems, without 1754*** introducing a dependency on libgcc.a. Therefore, libtool is disabling 1755*** -no-undefined support, which will at least allow you to build shared 1756*** libraries. However, you may find that when you link such libraries 1757*** into an application without using GCC, you have to manually add 1758*** \`gcc --print-libgcc-file-name\` to the link command. We urge you to 1759*** upgrade to a newer version of GCC. Another option is to rebuild your 1760*** current GCC to use the GNU linker from GNU binutils 2.9.1 or newer. 1761 1762EOF 1763 no_undefined_flag= 1764 ;; 1765 esac 1766 fi 1767 # $CC -shared without GNU ld will not create a library from C++ 1768 # object files and a static libstdc++, better avoid it by now 1769 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 1770 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 1771 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 1772 hardcode_libdir_flag_spec='-R$libdir' 1773 hardcode_shlibpath_var=no 1774 case $host_os in 1775 solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; 1776 *) # Supported since Solaris 2.6 (maybe 2.5.1?) 1777 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; 1778 esac 1779 link_all_deplibs=yes 1780 ;; 1781 1782 sunos4*) 1783 if test "x$host_vendor" = xsequent; then 1784 # Use $CC to link under sequent, because it throws in some extra .o 1785 # files that make .init and .fini sections work. 1786 archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' 1787 else 1788 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' 1789 fi 1790 hardcode_libdir_flag_spec='-L$libdir' 1791 hardcode_direct=yes 1792 hardcode_minus_L=yes 1793 hardcode_shlibpath_var=no 1794 ;; 1795 1796 sysv4) 1797 case $host_vendor in 1798 sni) 1799 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 1800 hardcode_direct=yes # is this really true??? 1801 ;; 1802 siemens) 1803 ## LD is ld it makes a PLAMLIB 1804 ## CC just makes a GrossModule. 1805 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' 1806 reload_cmds='$CC -r -o $output$reload_objs' 1807 hardcode_direct=no 1808 ;; 1809 motorola) 1810 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 1811 hardcode_direct=no #Motorola manual says yes, but my tests say they lie 1812 ;; 1813 esac 1814 runpath_var='LD_RUN_PATH' 1815 hardcode_shlibpath_var=no 1816 ;; 1817 1818 sysv4.3*) 1819 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 1820 hardcode_shlibpath_var=no 1821 export_dynamic_flag_spec='-Bexport' 1822 ;; 1823 1824 sysv5*) 1825 no_undefined_flag=' -z text' 1826 # $CC -shared without GNU ld will not create a library from C++ 1827 # object files and a static libstdc++, better avoid it by now 1828 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 1829 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 1830 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 1831 hardcode_libdir_flag_spec= 1832 hardcode_shlibpath_var=no 1833 runpath_var='LD_RUN_PATH' 1834 ;; 1835 1836 uts4*) 1837 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 1838 hardcode_libdir_flag_spec='-L$libdir' 1839 hardcode_shlibpath_var=no 1840 ;; 1841 1842 dgux*) 1843 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 1844 hardcode_libdir_flag_spec='-L$libdir' 1845 hardcode_shlibpath_var=no 1846 ;; 1847 1848 sysv4*MP*) 1849 if test -d /usr/nec; then 1850 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 1851 hardcode_shlibpath_var=no 1852 runpath_var=LD_RUN_PATH 1853 hardcode_runpath_var=yes 1854 ld_shlibs=yes 1855 fi 1856 ;; 1857 1858 sysv4.2uw2*) 1859 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' 1860 hardcode_direct=yes 1861 hardcode_minus_L=no 1862 hardcode_shlibpath_var=no 1863 hardcode_runpath_var=yes 1864 runpath_var=LD_RUN_PATH 1865 ;; 1866 1867 sysv5uw7* | unixware7*) 1868 no_undefined_flag='${wl}-z ${wl}text' 1869 if test "$GCC" = yes; then 1870 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 1871 else 1872 archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 1873 fi 1874 runpath_var='LD_RUN_PATH' 1875 hardcode_shlibpath_var=no 1876 ;; 1877 1878 *) 1879 ld_shlibs=no 1880 ;; 1881 esac 1882fi 1883AC_MSG_RESULT([$ld_shlibs]) 1884test "$ld_shlibs" = no && can_build_shared=no 1885## 1886## END FIXME 1887 1888## FIXME: this should be a separate macro 1889## 1890# Check hardcoding attributes. 1891AC_MSG_CHECKING([how to hardcode library paths into programs]) 1892hardcode_action= 1893if test -n "$hardcode_libdir_flag_spec" || \ 1894 test -n "$runpath_var"; then 1895 1896 # We can hardcode non-existant directories. 1897 if test "$hardcode_direct" != no && 1898 # If the only mechanism to avoid hardcoding is shlibpath_var, we 1899 # have to relink, otherwise we might link with an installed library 1900 # when we should be linking with a yet-to-be-installed one 1901 ## test "$hardcode_shlibpath_var" != no && 1902 test "$hardcode_minus_L" != no; then 1903 # Linking always hardcodes the temporary library directory. 1904 hardcode_action=relink 1905 else 1906 # We can link without hardcoding, and we can hardcode nonexisting dirs. 1907 hardcode_action=immediate 1908 fi 1909else 1910 # We cannot hardcode anything, or else we can only hardcode existing 1911 # directories. 1912 hardcode_action=unsupported 1913fi 1914AC_MSG_RESULT([$hardcode_action]) 1915## 1916## END FIXME 1917 1918## FIXME: this should be a separate macro 1919## 1920striplib= 1921old_striplib= 1922AC_MSG_CHECKING([whether stripping libraries is possible]) 1923if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then 1924 test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" 1925 test -z "$striplib" && striplib="$STRIP --strip-unneeded" 1926 AC_MSG_RESULT([yes]) 1927else 1928 AC_MSG_RESULT([no]) 1929fi 1930## 1931## END FIXME 1932 1933reload_cmds='$LD$reload_flag -o $output$reload_objs' 1934test -z "$deplibs_check_method" && deplibs_check_method=unknown 1935 1936## FIXME: this should be a separate macro 1937## 1938# PORTME Fill in your ld.so characteristics 1939AC_MSG_CHECKING([dynamic linker characteristics]) 1940library_names_spec= 1941libname_spec='lib$name' 1942soname_spec= 1943postinstall_cmds= 1944postuninstall_cmds= 1945finish_cmds= 1946finish_eval= 1947shlibpath_var= 1948shlibpath_overrides_runpath=unknown 1949version_type=none 1950dynamic_linker="$host_os ld.so" 1951sys_lib_dlsearch_path_spec="/lib /usr/lib" 1952sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" 1953 1954case $host_os in 1955aix3*) 1956 version_type=linux 1957 library_names_spec='${libname}${release}.so$versuffix $libname.a' 1958 shlibpath_var=LIBPATH 1959 1960 # AIX has no versioning support, so we append a major version to the name. 1961 soname_spec='${libname}${release}.so$major' 1962 ;; 1963 1964aix4* | aix5*) 1965 version_type=linux 1966 need_lib_prefix=no 1967 need_version=no 1968 hardcode_into_libs=yes 1969 if test "$host_cpu" = ia64; then 1970 # AIX 5 supports IA64 1971 library_names_spec='${libname}${release}.so$major ${libname}${release}.so$versuffix $libname.so' 1972 shlibpath_var=LD_LIBRARY_PATH 1973 else 1974 # With GCC up to 2.95.x, collect2 would create an import file 1975 # for dependence libraries. The import file would start with 1976 # the line `#! .'. This would cause the generated library to 1977 # depend on `.', always an invalid library. This was fixed in 1978 # development snapshots of GCC prior to 3.0. 1979 case $host_os in 1980 aix4 | aix4.[[01]] | aix4.[[01]].*) 1981 if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' 1982 echo ' yes ' 1983 echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then 1984 : 1985 else 1986 can_build_shared=no 1987 fi 1988 ;; 1989 esac 1990 # AIX (on Power*) has no versioning support, so currently we can 1991 # not hardcode correct soname into executable. Probably we can 1992 # add versioning support to collect2, so additional links can 1993 # be useful in future. 1994 if test "$aix_use_runtimelinking" = yes; then 1995 # If using run time linking (on AIX 4.2 or later) use lib<name>.so 1996 # instead of lib<name>.a to let people know that these are not 1997 # typical AIX shared libraries. 1998 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 1999 else 2000 # We preserve .a as extension for shared libraries through AIX4.2 2001 # and later when we are not doing run time linking. 2002 library_names_spec='${libname}${release}.a $libname.a' 2003 soname_spec='${libname}${release}.so$major' 2004 fi 2005 shlibpath_var=LIBPATH 2006 fi 2007 hardcode_into_libs=yes 2008 ;; 2009 2010amigaos*) 2011 library_names_spec='$libname.ixlibrary $libname.a' 2012 # Create ${libname}_ixlibrary.a entries in /sys/libs. 2013 finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done' 2014 ;; 2015 2016beos*) 2017 library_names_spec='${libname}.so' 2018 dynamic_linker="$host_os ld.so" 2019 shlibpath_var=LIBRARY_PATH 2020 ;; 2021 2022bsdi4*) 2023 version_type=linux 2024 need_version=no 2025 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2026 soname_spec='${libname}${release}.so$major' 2027 finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' 2028 shlibpath_var=LD_LIBRARY_PATH 2029 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" 2030 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" 2031 export_dynamic_flag_spec=-rdynamic 2032 # the default ld.so.conf also contains /usr/contrib/lib and 2033 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow 2034 # libtool to hard-code these into programs 2035 ;; 2036 2037cygwin* | mingw* | pw32*) 2038 version_type=windows 2039 need_version=no 2040 need_lib_prefix=no 2041 case $GCC,$host_os in 2042 yes,cygwin*) 2043 library_names_spec='$libname.dll.a' 2044 soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll' 2045 postinstall_cmds='dlpath=`bash 2>&1 -c '\''. $dir/${file}i;echo \$dlname'\''`~ 2046 dldir=$destdir/`dirname \$dlpath`~ 2047 test -d \$dldir || mkdir -p \$dldir~ 2048 $install_prog .libs/$dlname \$dldir/$dlname' 2049 postuninstall_cmds='dldll=`bash 2>&1 -c '\''. $file; echo \$dlname'\''`~ 2050 dlpath=$dir/\$dldll~ 2051 $rm \$dlpath' 2052 ;; 2053 yes,mingw*) 2054 library_names_spec='${libname}`echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll' 2055 sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | sed -e "s/^libraries://" -e "s/;/ /g" -e "s,=/,/,g"` 2056 ;; 2057 yes,pw32*) 2058 library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll' 2059 ;; 2060 *) 2061 library_names_spec='${libname}`echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll $libname.lib' 2062 ;; 2063 esac 2064 dynamic_linker='Win32 ld.exe' 2065 # FIXME: first we should search . and the directory the executable is in 2066 shlibpath_var=PATH 2067 ;; 2068 2069darwin* | rhapsody*) 2070 dynamic_linker="$host_os dyld" 2071 version_type=darwin 2072 need_lib_prefix=no 2073 need_version=no 2074 # FIXME: Relying on posixy $() will cause problems for 2075 # cross-compilation, but unfortunately the echo tests do not 2076 # yet detect zsh echo's removal of \ escapes. 2077 library_names_spec='${libname}${release}${versuffix}.$(test .$module = .yes && echo so || echo dylib) ${libname}${release}${major}.$(test .$module = .yes && echo so || echo dylib) ${libname}.$(test .$module = .yes && echo so || echo dylib)' 2078 soname_spec='${libname}${release}${major}.$(test .$module = .yes && echo so || echo dylib)' 2079 shlibpath_overrides_runpath=yes 2080 shlibpath_var=DYLD_LIBRARY_PATH 2081 ;; 2082 2083freebsd1*) 2084 dynamic_linker=no 2085 ;; 2086 2087freebsd*-gnu*) 2088 version_type=linux 2089 need_lib_prefix=no 2090 need_version=no 2091 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2092 soname_spec='${libname}${release}.so$major' 2093 shlibpath_var=LD_LIBRARY_PATH 2094 shlibpath_overrides_runpath=no 2095 hardcode_into_libs=yes 2096 dynamic_linker='GNU/FreeBSD ld.so' 2097 ;; 2098 2099freebsd*) 2100 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout` 2101 version_type=freebsd-$objformat 2102 case $version_type in 2103 freebsd-elf*) 2104 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' 2105 need_version=no 2106 need_lib_prefix=no 2107 ;; 2108 freebsd-*) 2109 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix' 2110 need_version=yes 2111 ;; 2112 esac 2113 shlibpath_var=LD_LIBRARY_PATH 2114 case $host_os in 2115 freebsd2*) 2116 shlibpath_overrides_runpath=yes 2117 ;; 2118 *) 2119 shlibpath_overrides_runpath=no 2120 hardcode_into_libs=yes 2121 ;; 2122 esac 2123 ;; 2124 2125gnu*) 2126 version_type=linux 2127 need_lib_prefix=no 2128 need_version=no 2129 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so' 2130 soname_spec='${libname}${release}.so$major' 2131 shlibpath_var=LD_LIBRARY_PATH 2132 hardcode_into_libs=yes 2133 ;; 2134 2135hpux9* | hpux10* | hpux11*) 2136 # Give a soname corresponding to the major version so that dld.sl refuses to 2137 # link against other versions. 2138 dynamic_linker="$host_os dld.sl" 2139 version_type=sunos 2140 need_lib_prefix=no 2141 need_version=no 2142 shlibpath_var=SHLIB_PATH 2143 shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH 2144 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl' 2145 soname_spec='${libname}${release}.sl$major' 2146 # HP-UX runs *really* slowly unless shared libraries are mode 555. 2147 postinstall_cmds='chmod 555 $lib' 2148 ;; 2149 2150irix5* | irix6* | nonstopux*) 2151 case $host_os in 2152 nonstopux*) version_type=nonstopux ;; 2153 *) version_type=irix ;; 2154 esac 2155 need_lib_prefix=no 2156 need_version=no 2157 soname_spec='${libname}${release}.so$major' 2158 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so' 2159 case $host_os in 2160 irix5* | nonstopux*) 2161 libsuff= shlibsuff= 2162 ;; 2163 *) 2164 case $LD in # libtool.m4 will add one of these switches to LD 2165 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;; 2166 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; 2167 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;; 2168 *) libsuff= shlibsuff= libmagic=never-match;; 2169 esac 2170 ;; 2171 esac 2172 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH 2173 shlibpath_overrides_runpath=no 2174 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" 2175 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" 2176 ;; 2177 2178# No shared lib support for Linux oldld, aout, or coff. 2179linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*) 2180 dynamic_linker=no 2181 ;; 2182 2183# This must be Linux ELF. 2184linux-gnu*) 2185 version_type=linux 2186 need_lib_prefix=no 2187 need_version=no 2188 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2189 soname_spec='${libname}${release}.so$major' 2190 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' 2191 shlibpath_var=LD_LIBRARY_PATH 2192 shlibpath_overrides_runpath=no 2193 # This implies no fast_install, which is unacceptable. 2194 # Some rework will be needed to allow for fast_install 2195 # before this can be enabled. 2196 hardcode_into_libs=yes 2197 2198 # We used to test for /lib/ld.so.1 and disable shared libraries on 2199 # powerpc, because MkLinux only supported shared libraries with the 2200 # GNU dynamic linker. Since this was broken with cross compilers, 2201 # most powerpc-linux boxes support dynamic linking these days and 2202 # people can always --disable-shared, the test was removed, and we 2203 # assume the GNU/Linux dynamic linker is in use. 2204 dynamic_linker='GNU/Linux ld.so' 2205 ;; 2206 2207netbsd*) 2208 version_type=sunos 2209 need_lib_prefix=no 2210 need_version=no 2211 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 2212 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' 2213 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' 2214 dynamic_linker='NetBSD (a.out) ld.so' 2215 else 2216 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so' 2217 soname_spec='${libname}${release}.so$major' 2218 dynamic_linker='NetBSD ld.elf_so' 2219 fi 2220 shlibpath_var=LD_LIBRARY_PATH 2221 shlibpath_overrides_runpath=yes 2222 hardcode_into_libs=yes 2223 ;; 2224 2225newsos6) 2226 version_type=linux 2227 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2228 shlibpath_var=LD_LIBRARY_PATH 2229 shlibpath_overrides_runpath=yes 2230 ;; 2231 2232openbsd*) 2233 version_type=sunos 2234 need_lib_prefix=no 2235 need_version=no 2236 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then 2237 case "$host_os" in 2238 openbsd2.[[89]] | openbsd2.[[89]].*) 2239 shlibpath_overrides_runpath=no 2240 ;; 2241 *) 2242 shlibpath_overrides_runpath=yes 2243 ;; 2244 esac 2245 else 2246 shlibpath_overrides_runpath=yes 2247 fi 2248 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' 2249 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' 2250 shlibpath_var=LD_LIBRARY_PATH 2251 ;; 2252 2253os2*) 2254 libname_spec='$name' 2255 need_lib_prefix=no 2256 library_names_spec='$libname.dll $libname.a' 2257 dynamic_linker='OS/2 ld.exe' 2258 shlibpath_var=LIBPATH 2259 ;; 2260 2261osf3* | osf4* | osf5*) 2262 version_type=osf 2263 need_version=no 2264 need_lib_prefix=no 2265 soname_spec='${libname}${release}.so$major' 2266 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2267 shlibpath_var=LD_LIBRARY_PATH 2268 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" 2269 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" 2270 hardcode_into_libs=yes 2271 ;; 2272 2273sco3.2v5*) 2274 version_type=osf 2275 soname_spec='${libname}${release}.so$major' 2276 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2277 shlibpath_var=LD_LIBRARY_PATH 2278 ;; 2279 2280solaris*) 2281 version_type=linux 2282 need_lib_prefix=no 2283 need_version=no 2284 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2285 soname_spec='${libname}${release}.so$major' 2286 shlibpath_var=LD_LIBRARY_PATH 2287 shlibpath_overrides_runpath=yes 2288 hardcode_into_libs=yes 2289 # ldd complains unless libraries are executable 2290 postinstall_cmds='chmod +x $lib' 2291 ;; 2292 2293sunos4*) 2294 version_type=sunos 2295 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' 2296 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' 2297 shlibpath_var=LD_LIBRARY_PATH 2298 shlibpath_overrides_runpath=yes 2299 if test "$with_gnu_ld" = yes; then 2300 need_lib_prefix=no 2301 fi 2302 need_version=yes 2303 ;; 2304 2305sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 2306 version_type=linux 2307 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2308 soname_spec='${libname}${release}.so$major' 2309 shlibpath_var=LD_LIBRARY_PATH 2310 case $host_vendor in 2311 sni) 2312 shlibpath_overrides_runpath=no 2313 need_lib_prefix=no 2314 export_dynamic_flag_spec='${wl}-Blargedynsym' 2315 runpath_var=LD_RUN_PATH 2316 ;; 2317 siemens) 2318 need_lib_prefix=no 2319 ;; 2320 motorola) 2321 need_lib_prefix=no 2322 need_version=no 2323 shlibpath_overrides_runpath=no 2324 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' 2325 ;; 2326 esac 2327 ;; 2328 2329uts4*) 2330 version_type=linux 2331 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2332 soname_spec='${libname}${release}.so$major' 2333 shlibpath_var=LD_LIBRARY_PATH 2334 ;; 2335 2336dgux*) 2337 version_type=linux 2338 need_lib_prefix=no 2339 need_version=no 2340 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 2341 soname_spec='${libname}${release}.so$major' 2342 shlibpath_var=LD_LIBRARY_PATH 2343 ;; 2344 2345sysv4*MP*) 2346 if test -d /usr/nec ;then 2347 version_type=linux 2348 library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so' 2349 soname_spec='$libname.so.$major' 2350 shlibpath_var=LD_LIBRARY_PATH 2351 fi 2352 ;; 2353 2354*) 2355 dynamic_linker=no 2356 ;; 2357esac 2358AC_MSG_RESULT([$dynamic_linker]) 2359test "$dynamic_linker" = no && can_build_shared=no 2360## 2361## END FIXME 2362 2363## FIXME: this should be a separate macro 2364## 2365# Report the final consequences. 2366AC_MSG_CHECKING([if libtool supports shared libraries]) 2367AC_MSG_RESULT([$can_build_shared]) 2368## 2369## END FIXME 2370 2371## FIXME: this should be a separate macro 2372## 2373AC_MSG_CHECKING([whether to build shared libraries]) 2374test "$can_build_shared" = "no" && enable_shared=no 2375 2376# On AIX, shared libraries and static libraries use the same namespace, and 2377# are all built from PIC. 2378case "$host_os" in 2379aix3*) 2380 test "$enable_shared" = yes && enable_static=no 2381 if test -n "$RANLIB"; then 2382 archive_cmds="$archive_cmds~\$RANLIB \$lib" 2383 postinstall_cmds='$RANLIB $lib' 2384 fi 2385 ;; 2386 2387aix4*) 2388 if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then 2389 test "$enable_shared" = yes && enable_static=no 2390 fi 2391 ;; 2392esac 2393AC_MSG_RESULT([$enable_shared]) 2394## 2395## END FIXME 2396 2397## FIXME: this should be a separate macro 2398## 2399AC_MSG_CHECKING([whether to build static libraries]) 2400# Make sure either enable_shared or enable_static is yes. 2401test "$enable_shared" = yes || enable_static=yes 2402AC_MSG_RESULT([$enable_static]) 2403## 2404## END FIXME 2405 2406if test "$hardcode_action" = relink; then 2407 # Fast installation is not supported 2408 enable_fast_install=no 2409elif test "$shlibpath_overrides_runpath" = yes || 2410 test "$enable_shared" = no; then 2411 # Fast installation is not necessary 2412 enable_fast_install=needless 2413fi 2414 2415variables_saved_for_relink="PATH $shlibpath_var $runpath_var" 2416if test "$GCC" = yes; then 2417 variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" 2418fi 2419 2420AC_LIBTOOL_DLOPEN_SELF 2421 2422## FIXME: this should be a separate macro 2423## 2424if test "$enable_shared" = yes && test "$GCC" = yes; then 2425 case $archive_cmds in 2426 *'~'*) 2427 # FIXME: we may have to deal with multi-command sequences. 2428 ;; 2429 '$CC '*) 2430 # Test whether the compiler implicitly links with -lc since on some 2431 # systems, -lgcc has to come before -lc. If gcc already passes -lc 2432 # to ld, don't add -lc before -lgcc. 2433 AC_MSG_CHECKING([whether -lc should be explicitly linked in]) 2434 AC_CACHE_VAL([lt_cv_archive_cmds_need_lc], 2435 [$rm conftest* 2436 echo 'static int dummy;' > conftest.$ac_ext 2437 2438 if AC_TRY_EVAL(ac_compile); then 2439 soname=conftest 2440 lib=conftest 2441 libobjs=conftest.$ac_objext 2442 deplibs= 2443 wl=$lt_cv_prog_cc_wl 2444 compiler_flags=-v 2445 linker_flags=-v 2446 verstring= 2447 output_objdir=. 2448 libname=conftest 2449 save_allow_undefined_flag=$allow_undefined_flag 2450 allow_undefined_flag= 2451 if AC_TRY_EVAL(archive_cmds 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) 2452 then 2453 lt_cv_archive_cmds_need_lc=no 2454 else 2455 lt_cv_archive_cmds_need_lc=yes 2456 fi 2457 allow_undefined_flag=$save_allow_undefined_flag 2458 else 2459 cat conftest.err 1>&5 2460 fi]) 2461 AC_MSG_RESULT([$lt_cv_archive_cmds_need_lc]) 2462 ;; 2463 esac 2464fi 2465need_lc=${lt_cv_archive_cmds_need_lc-yes} 2466## 2467## END FIXME 2468 2469## FIXME: this should be a separate macro 2470## 2471# The second clause should only fire when bootstrapping the 2472# libtool distribution, otherwise you forgot to ship ltmain.sh 2473# with your package, and you will get complaints that there are 2474# no rules to generate ltmain.sh. 2475if test -f "$ltmain"; then 2476 : 2477else 2478 # If there is no Makefile yet, we rely on a make rule to execute 2479 # `config.status --recheck' to rerun these tests and create the 2480 # libtool script then. 2481 test -f Makefile && make "$ltmain" 2482fi 2483 2484if test -f "$ltmain"; then 2485 trap "$rm \"${ofile}T\"; exit 1" 1 2 15 2486 $rm -f "${ofile}T" 2487 2488 echo creating $ofile 2489 2490 # Now quote all the things that may contain metacharacters while being 2491 # careful not to overquote the AC_SUBSTed values. We take copies of the 2492 # variables and quote the copies for generation of the libtool script. 2493 for var in echo old_CC old_CFLAGS SED \ 2494 AR AR_FLAGS CC LD LN_S NM SHELL \ 2495 reload_flag reload_cmds wl \ 2496 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \ 2497 thread_safe_flag_spec whole_archive_flag_spec libname_spec \ 2498 library_names_spec soname_spec \ 2499 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \ 2500 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds \ 2501 postuninstall_cmds extract_expsyms_cmds old_archive_from_expsyms_cmds \ 2502 old_striplib striplib file_magic_cmd export_symbols_cmds \ 2503 deplibs_check_method allow_undefined_flag no_undefined_flag \ 2504 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \ 2505 global_symbol_to_c_name_address \ 2506 hardcode_libdir_flag_spec hardcode_libdir_separator \ 2507 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \ 2508 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do 2509 2510 case $var in 2511 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \ 2512 old_postinstall_cmds | old_postuninstall_cmds | \ 2513 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \ 2514 extract_expsyms_cmds | old_archive_from_expsyms_cmds | \ 2515 postinstall_cmds | postuninstall_cmds | \ 2516 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec) 2517 # Double-quote double-evaled strings. 2518 eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\"" 2519 ;; 2520 *) 2521 eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\"" 2522 ;; 2523 esac 2524 done 2525 2526 cat <<__EOF__ > "${ofile}T" 2527#! $SHELL 2528 2529# `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. 2530# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP) 2531# NOTE: Changes made to this file will be lost: look at ltmain.sh. 2532# 2533# Copyright (C) 1996-2000 Free Software Foundation, Inc. 2534# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 2535# 2536# This program is free software; you can redistribute it and/or modify 2537# it under the terms of the GNU General Public License as published by 2538# the Free Software Foundation; either version 2 of the License, or 2539# (at your option) any later version. 2540# 2541# This program is distributed in the hope that it will be useful, but 2542# WITHOUT ANY WARRANTY; without even the implied warranty of 2543# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 2544# General Public License for more details. 2545# 2546# You should have received a copy of the GNU General Public License 2547# along with this program; if not, write to the Free Software 2548# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 2549# 2550# As a special exception to the GNU General Public License, if you 2551# distribute this file as part of a program that contains a 2552# configuration script generated by Autoconf, you may include it under 2553# the same distribution terms that you use for the rest of that program. 2554 2555# A sed that does not truncate output. 2556SED=$lt_SED 2557 2558# Sed that helps us avoid accidentally triggering echo(1) options like -n. 2559Xsed="${SED} -e s/^X//" 2560 2561# The HP-UX ksh and POSIX shell print the target directory to stdout 2562# if CDPATH is set. 2563if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi 2564 2565# ### BEGIN LIBTOOL CONFIG 2566 2567# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: 2568 2569# Shell to use when invoking shell scripts. 2570SHELL=$lt_SHELL 2571 2572# Whether or not to build shared libraries. 2573build_libtool_libs=$enable_shared 2574 2575# Whether or not to build static libraries. 2576build_old_libs=$enable_static 2577 2578# Whether or not to add -lc for building shared libraries. 2579build_libtool_need_lc=$need_lc 2580 2581# Whether or not to optimize for fast installation. 2582fast_install=$enable_fast_install 2583 2584# The host system. 2585host_alias=$host_alias 2586host=$host 2587 2588# An echo program that does not interpret backslashes. 2589echo=$lt_echo 2590 2591# The archiver. 2592AR=$lt_AR 2593AR_FLAGS=$lt_AR_FLAGS 2594 2595# The default C compiler. 2596CC=$lt_CC 2597 2598# Is the compiler the GNU C compiler? 2599with_gcc=$GCC 2600 2601# The linker used to build libraries. 2602LD=$lt_LD 2603 2604# Whether we need hard or soft links. 2605LN_S=$lt_LN_S 2606 2607# A BSD-compatible nm program. 2608NM=$lt_NM 2609 2610# A symbol stripping program 2611STRIP=$STRIP 2612 2613# Used to examine libraries when file_magic_cmd begins "file" 2614MAGIC_CMD=$MAGIC_CMD 2615 2616# Used on cygwin: DLL creation program. 2617DLLTOOL="$DLLTOOL" 2618 2619# Used on cygwin: object dumper. 2620OBJDUMP="$OBJDUMP" 2621 2622# Used on cygwin: assembler. 2623AS="$AS" 2624 2625# The name of the directory that contains temporary libtool files. 2626objdir=$objdir 2627 2628# How to create reloadable object files. 2629reload_flag=$lt_reload_flag 2630reload_cmds=$lt_reload_cmds 2631 2632# How to pass a linker flag through the compiler. 2633wl=$lt_wl 2634 2635# Object file suffix (normally "o"). 2636objext="$ac_objext" 2637 2638# Old archive suffix (normally "a"). 2639libext="$libext" 2640 2641# Executable file suffix (normally ""). 2642exeext="$exeext" 2643 2644# Additional compiler flags for building library objects. 2645pic_flag=$lt_pic_flag 2646pic_mode=$pic_mode 2647 2648# Does compiler simultaneously support -c and -o options? 2649compiler_c_o=$lt_compiler_c_o 2650 2651# Can we write directly to a .lo ? 2652compiler_o_lo=$lt_compiler_o_lo 2653 2654# Must we lock files when doing compilation ? 2655need_locks=$lt_need_locks 2656 2657# Do we need the lib prefix for modules? 2658need_lib_prefix=$need_lib_prefix 2659 2660# Do we need a version for libraries? 2661need_version=$need_version 2662 2663# Whether dlopen is supported. 2664dlopen_support=$enable_dlopen 2665 2666# Whether dlopen of programs is supported. 2667dlopen_self=$enable_dlopen_self 2668 2669# Whether dlopen of statically linked programs is supported. 2670dlopen_self_static=$enable_dlopen_self_static 2671 2672# Compiler flag to prevent dynamic linking. 2673link_static_flag=$lt_link_static_flag 2674 2675# Compiler flag to turn off builtin functions. 2676no_builtin_flag=$lt_no_builtin_flag 2677 2678# Compiler flag to allow reflexive dlopens. 2679export_dynamic_flag_spec=$lt_export_dynamic_flag_spec 2680 2681# Compiler flag to generate shared objects directly from archives. 2682whole_archive_flag_spec=$lt_whole_archive_flag_spec 2683 2684# Compiler flag to generate thread-safe objects. 2685thread_safe_flag_spec=$lt_thread_safe_flag_spec 2686 2687# Library versioning type. 2688version_type=$version_type 2689 2690# Format of library name prefix. 2691libname_spec=$lt_libname_spec 2692 2693# List of archive names. First name is the real one, the rest are links. 2694# The last name is the one that the linker finds with -lNAME. 2695library_names_spec=$lt_library_names_spec 2696 2697# The coded name of the library, if different from the real name. 2698soname_spec=$lt_soname_spec 2699 2700# Commands used to build and install an old-style archive. 2701RANLIB=$lt_RANLIB 2702old_archive_cmds=$lt_old_archive_cmds 2703old_postinstall_cmds=$lt_old_postinstall_cmds 2704old_postuninstall_cmds=$lt_old_postuninstall_cmds 2705 2706# Create an old-style archive from a shared archive. 2707old_archive_from_new_cmds=$lt_old_archive_from_new_cmds 2708 2709# Create a temporary old-style archive to link instead of a shared archive. 2710old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds 2711 2712# Commands used to build and install a shared archive. 2713archive_cmds=$lt_archive_cmds 2714archive_expsym_cmds=$lt_archive_expsym_cmds 2715postinstall_cmds=$lt_postinstall_cmds 2716postuninstall_cmds=$lt_postuninstall_cmds 2717 2718# Commands to strip libraries. 2719old_striplib=$lt_old_striplib 2720striplib=$lt_striplib 2721 2722# Method to check whether dependent libraries are shared objects. 2723deplibs_check_method=$lt_deplibs_check_method 2724 2725# Command to use when deplibs_check_method == file_magic. 2726file_magic_cmd=$lt_file_magic_cmd 2727 2728# Flag that allows shared libraries with undefined symbols to be built. 2729allow_undefined_flag=$lt_allow_undefined_flag 2730 2731# Flag that forces no undefined symbols. 2732no_undefined_flag=$lt_no_undefined_flag 2733 2734# Commands used to finish a libtool library installation in a directory. 2735finish_cmds=$lt_finish_cmds 2736 2737# Same as above, but a single script fragment to be evaled but not shown. 2738finish_eval=$lt_finish_eval 2739 2740# Take the output of nm and produce a listing of raw symbols and C names. 2741global_symbol_pipe=$lt_global_symbol_pipe 2742 2743# Transform the output of nm in a proper C declaration 2744global_symbol_to_cdecl=$lt_global_symbol_to_cdecl 2745 2746# Transform the output of nm in a C name address pair 2747global_symbol_to_c_name_address=$lt_global_symbol_to_c_name_address 2748 2749# This is the shared library runtime path variable. 2750runpath_var=$runpath_var 2751 2752# This is the shared library path variable. 2753shlibpath_var=$shlibpath_var 2754 2755# Is shlibpath searched before the hard-coded library search path? 2756shlibpath_overrides_runpath=$shlibpath_overrides_runpath 2757 2758# How to hardcode a shared library path into an executable. 2759hardcode_action=$hardcode_action 2760 2761# Whether we should hardcode library paths into libraries. 2762hardcode_into_libs=$hardcode_into_libs 2763 2764# Flag to hardcode \$libdir into a binary during linking. 2765# This must work even if \$libdir does not exist. 2766hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec 2767 2768# Whether we need a single -rpath flag with a separated argument. 2769hardcode_libdir_separator=$lt_hardcode_libdir_separator 2770 2771# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the 2772# resulting binary. 2773hardcode_direct=$hardcode_direct 2774 2775# Set to yes if using the -LDIR flag during linking hardcodes DIR into the 2776# resulting binary. 2777hardcode_minus_L=$hardcode_minus_L 2778 2779# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into 2780# the resulting binary. 2781hardcode_shlibpath_var=$hardcode_shlibpath_var 2782 2783# Variables whose values should be saved in libtool wrapper scripts and 2784# restored at relink time. 2785variables_saved_for_relink="$variables_saved_for_relink" 2786 2787# Whether libtool must link a program against all its dependency libraries. 2788link_all_deplibs=$link_all_deplibs 2789 2790# Compile-time system search path for libraries 2791sys_lib_search_path_spec=$lt_sys_lib_search_path_spec 2792 2793# Run-time system search path for libraries 2794sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec 2795 2796# Fix the shell variable \$srcfile for the compiler. 2797fix_srcfile_path="$fix_srcfile_path" 2798 2799# Set to yes if exported symbols are required. 2800always_export_symbols=$always_export_symbols 2801 2802# The commands to list exported symbols. 2803export_symbols_cmds=$lt_export_symbols_cmds 2804 2805# The commands to extract the exported symbol list from a shared archive. 2806extract_expsyms_cmds=$lt_extract_expsyms_cmds 2807 2808# Symbols that should not be listed in the preloaded symbols. 2809exclude_expsyms=$lt_exclude_expsyms 2810 2811# Symbols that must always be exported. 2812include_expsyms=$lt_include_expsyms 2813 2814# ### END LIBTOOL CONFIG 2815 2816__EOF__ 2817 2818 case $host_os in 2819 aix3*) 2820 cat <<\EOF >> "${ofile}T" 2821 2822# AIX sometimes has problems with the GCC collect2 program. For some 2823# reason, if we set the COLLECT_NAMES environment variable, the problems 2824# vanish in a puff of smoke. 2825if test "X${COLLECT_NAMES+set}" != Xset; then 2826 COLLECT_NAMES= 2827 export COLLECT_NAMES 2828fi 2829EOF 2830 ;; 2831 esac 2832 2833 case $host_os in 2834 cygwin* | mingw* | pw32* | os2*) 2835 cat <<'EOF' >> "${ofile}T" 2836 # This is a source program that is used to create dlls on Windows 2837 # Don't remove nor modify the starting and closing comments 2838# /* ltdll.c starts here */ 2839# #define WIN32_LEAN_AND_MEAN 2840# #include <windows.h> 2841# #undef WIN32_LEAN_AND_MEAN 2842# #include <stdio.h> 2843# 2844# #ifndef __CYGWIN__ 2845# # ifdef __CYGWIN32__ 2846# # define __CYGWIN__ __CYGWIN32__ 2847# # endif 2848# #endif 2849# 2850# #ifdef __cplusplus 2851# extern "C" { 2852# #endif 2853# BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved); 2854# #ifdef __cplusplus 2855# } 2856# #endif 2857# 2858# #ifdef __CYGWIN__ 2859# #include <cygwin/cygwin_dll.h> 2860# DECLARE_CYGWIN_DLL( DllMain ); 2861# #endif 2862# HINSTANCE __hDllInstance_base; 2863# 2864# BOOL APIENTRY 2865# DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved) 2866# { 2867# __hDllInstance_base = hInst; 2868# return TRUE; 2869# } 2870# /* ltdll.c ends here */ 2871 # This is a source program that is used to create import libraries 2872 # on Windows for dlls which lack them. Don't remove nor modify the 2873 # starting and closing comments 2874# /* impgen.c starts here */ 2875# /* Copyright (C) 1999-2000 Free Software Foundation, Inc. 2876# 2877# This file is part of GNU libtool. 2878# 2879# This program is free software; you can redistribute it and/or modify 2880# it under the terms of the GNU General Public License as published by 2881# the Free Software Foundation; either version 2 of the License, or 2882# (at your option) any later version. 2883# 2884# This program is distributed in the hope that it will be useful, 2885# but WITHOUT ANY WARRANTY; without even the implied warranty of 2886# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 2887# GNU General Public License for more details. 2888# 2889# You should have received a copy of the GNU General Public License 2890# along with this program; if not, write to the Free Software 2891# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 2892# */ 2893# 2894# #include <stdio.h> /* for printf() */ 2895# #include <unistd.h> /* for open(), lseek(), read() */ 2896# #include <fcntl.h> /* for O_RDONLY, O_BINARY */ 2897# #include <string.h> /* for strdup() */ 2898# 2899# /* O_BINARY isn't required (or even defined sometimes) under Unix */ 2900# #ifndef O_BINARY 2901# #define O_BINARY 0 2902# #endif 2903# 2904# static unsigned int 2905# pe_get16 (fd, offset) 2906# int fd; 2907# int offset; 2908# { 2909# unsigned char b[2]; 2910# lseek (fd, offset, SEEK_SET); 2911# read (fd, b, 2); 2912# return b[0] + (b[1]<<8); 2913# } 2914# 2915# static unsigned int 2916# pe_get32 (fd, offset) 2917# int fd; 2918# int offset; 2919# { 2920# unsigned char b[4]; 2921# lseek (fd, offset, SEEK_SET); 2922# read (fd, b, 4); 2923# return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24); 2924# } 2925# 2926# static unsigned int 2927# pe_as32 (ptr) 2928# void *ptr; 2929# { 2930# unsigned char *b = ptr; 2931# return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24); 2932# } 2933# 2934# int 2935# main (argc, argv) 2936# int argc; 2937# char *argv[]; 2938# { 2939# int dll; 2940# unsigned long pe_header_offset, opthdr_ofs, num_entries, i; 2941# unsigned long export_rva, export_size, nsections, secptr, expptr; 2942# unsigned long name_rvas, nexp; 2943# unsigned char *expdata, *erva; 2944# char *filename, *dll_name; 2945# 2946# filename = argv[1]; 2947# 2948# dll = open(filename, O_RDONLY|O_BINARY); 2949# if (dll < 1) 2950# return 1; 2951# 2952# dll_name = filename; 2953# 2954# for (i=0; filename[i]; i++) 2955# if (filename[i] == '/' || filename[i] == '\\' || filename[i] == ':') 2956# dll_name = filename + i +1; 2957# 2958# pe_header_offset = pe_get32 (dll, 0x3c); 2959# opthdr_ofs = pe_header_offset + 4 + 20; 2960# num_entries = pe_get32 (dll, opthdr_ofs + 92); 2961# 2962# if (num_entries < 1) /* no exports */ 2963# return 1; 2964# 2965# export_rva = pe_get32 (dll, opthdr_ofs + 96); 2966# export_size = pe_get32 (dll, opthdr_ofs + 100); 2967# nsections = pe_get16 (dll, pe_header_offset + 4 +2); 2968# secptr = (pe_header_offset + 4 + 20 + 2969# pe_get16 (dll, pe_header_offset + 4 + 16)); 2970# 2971# expptr = 0; 2972# for (i = 0; i < nsections; i++) 2973# { 2974# char sname[8]; 2975# unsigned long secptr1 = secptr + 40 * i; 2976# unsigned long vaddr = pe_get32 (dll, secptr1 + 12); 2977# unsigned long vsize = pe_get32 (dll, secptr1 + 16); 2978# unsigned long fptr = pe_get32 (dll, secptr1 + 20); 2979# lseek(dll, secptr1, SEEK_SET); 2980# read(dll, sname, 8); 2981# if (vaddr <= export_rva && vaddr+vsize > export_rva) 2982# { 2983# expptr = fptr + (export_rva - vaddr); 2984# if (export_rva + export_size > vaddr + vsize) 2985# export_size = vsize - (export_rva - vaddr); 2986# break; 2987# } 2988# } 2989# 2990# expdata = (unsigned char*)malloc(export_size); 2991# lseek (dll, expptr, SEEK_SET); 2992# read (dll, expdata, export_size); 2993# erva = expdata - export_rva; 2994# 2995# nexp = pe_as32 (expdata+24); 2996# name_rvas = pe_as32 (expdata+32); 2997# 2998# printf ("EXPORTS\n"); 2999# for (i = 0; i<nexp; i++) 3000# { 3001# unsigned long name_rva = pe_as32 (erva+name_rvas+i*4); 3002# printf ("\t%s @ %ld ;\n", erva+name_rva, 1+ i); 3003# } 3004# 3005# return 0; 3006# } 3007# /* impgen.c ends here */ 3008 3009EOF 3010 ;; 3011 esac 3012 3013 # We use sed instead of cat because bash on DJGPP gets confused if 3014 # if finds mixed CR/LF and LF-only lines. Since sed operates in 3015 # text mode, it properly converts lines to CR/LF. This bash problem 3016 # is reportedly fixed, but why not run on old versions too? 3017 sed '$q' "$ltmain" >> "${ofile}T" || (rm -f "${ofile}T"; exit 1) 3018 3019 mv -f "${ofile}T" "$ofile" || \ 3020 (rm -f "$ofile" && cp "${ofile}T" "$ofile" && rm -f "${ofile}T") 3021 chmod +x "$ofile" 3022fi 3023## 3024## END FIXME 3025 3026])# _LT_AC_LTCONFIG_HACK 3027 3028# AC_LIBTOOL_DLOPEN - enable checks for dlopen support 3029AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) 3030 3031# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's 3032AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) 3033 3034# AC_ENABLE_SHARED - implement the --enable-shared flag 3035# Usage: AC_ENABLE_SHARED[(DEFAULT)] 3036# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 3037# `yes'. 3038AC_DEFUN([AC_ENABLE_SHARED], 3039[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl 3040AC_ARG_ENABLE(shared, 3041changequote(<<, >>)dnl 3042<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], 3043changequote([, ])dnl 3044[p=${PACKAGE-default} 3045case $enableval in 3046yes) enable_shared=yes ;; 3047no) enable_shared=no ;; 3048*) 3049 enable_shared=no 3050 # Look at the argument we got. We use all the common list separators. 3051 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 3052 for pkg in $enableval; do 3053 if test "X$pkg" = "X$p"; then 3054 enable_shared=yes 3055 fi 3056 done 3057 IFS="$ac_save_ifs" 3058 ;; 3059esac], 3060enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl 3061]) 3062 3063# AC_DISABLE_SHARED - set the default shared flag to --disable-shared 3064AC_DEFUN([AC_DISABLE_SHARED], 3065[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 3066AC_ENABLE_SHARED(no)]) 3067 3068# AC_ENABLE_STATIC - implement the --enable-static flag 3069# Usage: AC_ENABLE_STATIC[(DEFAULT)] 3070# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 3071# `yes'. 3072AC_DEFUN([AC_ENABLE_STATIC], 3073[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl 3074AC_ARG_ENABLE(static, 3075changequote(<<, >>)dnl 3076<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], 3077changequote([, ])dnl 3078[p=${PACKAGE-default} 3079case $enableval in 3080yes) enable_static=yes ;; 3081no) enable_static=no ;; 3082*) 3083 enable_static=no 3084 # Look at the argument we got. We use all the common list separators. 3085 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 3086 for pkg in $enableval; do 3087 if test "X$pkg" = "X$p"; then 3088 enable_static=yes 3089 fi 3090 done 3091 IFS="$ac_save_ifs" 3092 ;; 3093esac], 3094enable_static=AC_ENABLE_STATIC_DEFAULT)dnl 3095]) 3096 3097# AC_DISABLE_STATIC - set the default static flag to --disable-static 3098AC_DEFUN([AC_DISABLE_STATIC], 3099[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 3100AC_ENABLE_STATIC(no)]) 3101 3102 3103# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag 3104# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] 3105# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 3106# `yes'. 3107AC_DEFUN([AC_ENABLE_FAST_INSTALL], 3108[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl 3109AC_ARG_ENABLE(fast-install, 3110changequote(<<, >>)dnl 3111<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], 3112changequote([, ])dnl 3113[p=${PACKAGE-default} 3114case $enableval in 3115yes) enable_fast_install=yes ;; 3116no) enable_fast_install=no ;; 3117*) 3118 enable_fast_install=no 3119 # Look at the argument we got. We use all the common list separators. 3120 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 3121 for pkg in $enableval; do 3122 if test "X$pkg" = "X$p"; then 3123 enable_fast_install=yes 3124 fi 3125 done 3126 IFS="$ac_save_ifs" 3127 ;; 3128esac], 3129enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl 3130]) 3131 3132# AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install 3133AC_DEFUN([AC_DISABLE_FAST_INSTALL], 3134[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 3135AC_ENABLE_FAST_INSTALL(no)]) 3136 3137# AC_LIBTOOL_PICMODE - implement the --with-pic flag 3138# Usage: AC_LIBTOOL_PICMODE[(MODE)] 3139# Where MODE is either `yes' or `no'. If omitted, it defaults to 3140# `both'. 3141AC_DEFUN([AC_LIBTOOL_PICMODE], 3142[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 3143pic_mode=ifelse($#,1,$1,default)]) 3144 3145 3146# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library 3147AC_DEFUN([AC_PATH_TOOL_PREFIX], 3148[AC_MSG_CHECKING([for $1]) 3149AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, 3150[case $MAGIC_CMD in 3151 /*) 3152 lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. 3153 ;; 3154 ?:/*) 3155 lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path. 3156 ;; 3157 *) 3158 ac_save_MAGIC_CMD="$MAGIC_CMD" 3159 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" 3160dnl $ac_dummy forces splitting on constant user-supplied paths. 3161dnl POSIX.2 word splitting is done only on the output of word expansions, 3162dnl not every word. This closes a longstanding sh security hole. 3163 ac_dummy="ifelse([$2], , $PATH, [$2])" 3164 for ac_dir in $ac_dummy; do 3165 test -z "$ac_dir" && ac_dir=. 3166 if test -f $ac_dir/$1; then 3167 lt_cv_path_MAGIC_CMD="$ac_dir/$1" 3168 if test -n "$file_magic_test_file"; then 3169 case $deplibs_check_method in 3170 "file_magic "*) 3171 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`" 3172 MAGIC_CMD="$lt_cv_path_MAGIC_CMD" 3173 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | 3174 egrep "$file_magic_regex" > /dev/null; then 3175 : 3176 else 3177 cat <<EOF 1>&2 3178 3179*** Warning: the command libtool uses to detect shared libraries, 3180*** $file_magic_cmd, produces output that libtool cannot recognize. 3181*** The result is that libtool may fail to recognize shared libraries 3182*** as such. This will affect the creation of libtool libraries that 3183*** depend on shared libraries, but programs linked with such libtool 3184*** libraries will work regardless of this problem. Nevertheless, you 3185*** may want to report the problem to your system manager and/or to 3186*** bug-libtool@gnu.org 3187 3188EOF 3189 fi ;; 3190 esac 3191 fi 3192 break 3193 fi 3194 done 3195 IFS="$ac_save_ifs" 3196 MAGIC_CMD="$ac_save_MAGIC_CMD" 3197 ;; 3198esac]) 3199MAGIC_CMD="$lt_cv_path_MAGIC_CMD" 3200if test -n "$MAGIC_CMD"; then 3201 AC_MSG_RESULT($MAGIC_CMD) 3202else 3203 AC_MSG_RESULT(no) 3204fi 3205]) 3206 3207 3208# AC_PATH_MAGIC - find a file program which can recognise a shared library 3209AC_DEFUN([AC_PATH_MAGIC], 3210[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl 3211AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH) 3212if test -z "$lt_cv_path_MAGIC_CMD"; then 3213 if test -n "$ac_tool_prefix"; then 3214 AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH) 3215 else 3216 MAGIC_CMD=: 3217 fi 3218fi 3219]) 3220 3221 3222# AC_PROG_LD - find the path to the GNU or non-GNU linker 3223AC_DEFUN([AC_PROG_LD], 3224[AC_ARG_WITH(gnu-ld, 3225[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], 3226test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) 3227AC_REQUIRE([AC_PROG_CC])dnl 3228AC_REQUIRE([AC_CANONICAL_HOST])dnl 3229AC_REQUIRE([AC_CANONICAL_BUILD])dnl 3230AC_REQUIRE([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl 3231ac_prog=ld 3232if test "$GCC" = yes; then 3233 # Check if gcc -print-prog-name=ld gives a path. 3234 AC_MSG_CHECKING([for ld used by GCC]) 3235 case $host in 3236 *-*-mingw*) 3237 # gcc leaves a trailing carriage return which upsets mingw 3238 ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; 3239 *) 3240 ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; 3241 esac 3242 case $ac_prog in 3243 # Accept absolute paths. 3244 [[\\/]]* | [[A-Za-z]]:[[\\/]]*) 3245 re_direlt='/[[^/]][[^/]]*/\.\./' 3246 # Canonicalize the path of ld 3247 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` 3248 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do 3249 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` 3250 done 3251 test -z "$LD" && LD="$ac_prog" 3252 ;; 3253 "") 3254 # If it fails, then pretend we aren't using GCC. 3255 ac_prog=ld 3256 ;; 3257 *) 3258 # If it is relative, then search for the first ld in PATH. 3259 with_gnu_ld=unknown 3260 ;; 3261 esac 3262elif test "$with_gnu_ld" = yes; then 3263 AC_MSG_CHECKING([for GNU ld]) 3264else 3265 AC_MSG_CHECKING([for non-GNU ld]) 3266fi 3267AC_CACHE_VAL(lt_cv_path_LD, 3268[if test -z "$LD"; then 3269 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=$PATH_SEPARATOR 3270 for ac_dir in $PATH; do 3271 test -z "$ac_dir" && ac_dir=. 3272 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then 3273 lt_cv_path_LD="$ac_dir/$ac_prog" 3274 # Check to see if the program is GNU ld. I'd rather use --version, 3275 # but apparently some GNU ld's only accept -v. 3276 # Break only if it was the GNU/non-GNU ld that we prefer. 3277 if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then 3278 test "$with_gnu_ld" != no && break 3279 else 3280 test "$with_gnu_ld" != yes && break 3281 fi 3282 fi 3283 done 3284 IFS="$ac_save_ifs" 3285else 3286 lt_cv_path_LD="$LD" # Let the user override the test with a path. 3287fi]) 3288LD="$lt_cv_path_LD" 3289if test -n "$LD"; then 3290 AC_MSG_RESULT($LD) 3291else 3292 AC_MSG_RESULT(no) 3293fi 3294test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) 3295AC_PROG_LD_GNU 3296]) 3297 3298# AC_PROG_LD_GNU - 3299AC_DEFUN([AC_PROG_LD_GNU], 3300[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld, 3301[# I'd rather use --version here, but apparently some GNU ld's only accept -v. 3302if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then 3303 lt_cv_prog_gnu_ld=yes 3304else 3305 lt_cv_prog_gnu_ld=no 3306fi]) 3307with_gnu_ld=$lt_cv_prog_gnu_ld 3308]) 3309 3310# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker 3311# -- PORTME Some linkers may need a different reload flag. 3312AC_DEFUN([AC_PROG_LD_RELOAD_FLAG], 3313[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag, 3314[lt_cv_ld_reload_flag='-r']) 3315reload_flag=$lt_cv_ld_reload_flag 3316test -n "$reload_flag" && reload_flag=" $reload_flag" 3317]) 3318 3319# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies 3320# -- PORTME fill in with the dynamic library characteristics 3321AC_DEFUN([AC_DEPLIBS_CHECK_METHOD], 3322[AC_CACHE_CHECK([how to recognise dependent libraries], 3323lt_cv_deplibs_check_method, 3324[lt_cv_file_magic_cmd='$MAGIC_CMD' 3325lt_cv_file_magic_test_file= 3326lt_cv_deplibs_check_method='unknown' 3327# Need to set the preceding variable on all platforms that support 3328# interlibrary dependencies. 3329# 'none' -- dependencies not supported. 3330# `unknown' -- same as none, but documents that we really don't know. 3331# 'pass_all' -- all dependencies passed with no checks. 3332# 'test_compile' -- check by making test program. 3333# 'file_magic [[regex]]' -- check by looking for files in library path 3334# which responds to the $file_magic_cmd with a given egrep regex. 3335# If you have `file' or equivalent on your system and you're not sure 3336# whether `pass_all' will *always* work, you probably want this one. 3337 3338case $host_os in 3339aix4* | aix5*) 3340 lt_cv_deplibs_check_method=pass_all 3341 ;; 3342 3343beos*) 3344 lt_cv_deplibs_check_method=pass_all 3345 ;; 3346 3347bsdi4*) 3348 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)' 3349 lt_cv_file_magic_cmd='/usr/bin/file -L' 3350 lt_cv_file_magic_test_file=/shlib/libc.so 3351 ;; 3352 3353cygwin* | mingw* | pw32*) 3354 lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?' 3355 lt_cv_file_magic_cmd='$OBJDUMP -f' 3356 ;; 3357 3358darwin* | rhapsody*) 3359 lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library' 3360 lt_cv_file_magic_cmd='/usr/bin/file -L' 3361 case "$host_os" in 3362 rhapsody* | darwin1.[[012]]) 3363 lt_cv_file_magic_test_file=`echo /System/Library/Frameworks/System.framework/Versions/*/System | head -1` 3364 ;; 3365 *) # Darwin 1.3 on 3366 lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib' 3367 ;; 3368 esac 3369 ;; 3370 3371freebsd*) 3372 if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then 3373 case $host_cpu in 3374 i*86 ) 3375 # Not sure whether the presence of OpenBSD here was a mistake. 3376 # Let's accept both of them until this is cleared up. 3377 lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[[3-9]]86 (compact )?demand paged shared library' 3378 lt_cv_file_magic_cmd=/usr/bin/file 3379 lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` 3380 ;; 3381 esac 3382 else 3383 lt_cv_deplibs_check_method=pass_all 3384 fi 3385 ;; 3386 3387gnu*) 3388 lt_cv_deplibs_check_method=pass_all 3389 ;; 3390 3391hpux10.20*|hpux11*) 3392 lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library' 3393 lt_cv_file_magic_cmd=/usr/bin/file 3394 lt_cv_file_magic_test_file=/usr/lib/libc.sl 3395 ;; 3396 3397irix5* | irix6* | nonstopux*) 3398 case $host_os in 3399 irix5* | nonstopux*) 3400 # this will be overridden with pass_all, but let us keep it just in case 3401 lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" 3402 ;; 3403 *) 3404 case $LD in 3405 *-32|*"-32 ") libmagic=32-bit;; 3406 *-n32|*"-n32 ") libmagic=N32;; 3407 *-64|*"-64 ") libmagic=64-bit;; 3408 *) libmagic=never-match;; 3409 esac 3410 # this will be overridden with pass_all, but let us keep it just in case 3411 lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[[1234]] dynamic lib MIPS - version 1" 3412 ;; 3413 esac 3414 lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*` 3415 lt_cv_deplibs_check_method=pass_all 3416 ;; 3417 3418# This must be Linux ELF. 3419linux-gnu*) 3420 case $host_cpu in 3421 alpha* | hppa* | i*86 | mips | mipsel | powerpc* | sparc* | ia64*) 3422 lt_cv_deplibs_check_method=pass_all ;; 3423 *) 3424 # glibc up to 2.1.1 does not perform some relocations on ARM 3425 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;; 3426 esac 3427 lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so` 3428 ;; 3429 3430netbsd*) 3431 if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then 3432 lt_cv_deplibs_check_method='match_pattern /lib[[^/\.]]+\.so\.[[0-9]]+\.[[0-9]]+$' 3433 else 3434 lt_cv_deplibs_check_method='match_pattern /lib[[^/\.]]+\.so$' 3435 fi 3436 ;; 3437 3438newos6*) 3439 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' 3440 lt_cv_file_magic_cmd=/usr/bin/file 3441 lt_cv_file_magic_test_file=/usr/lib/libnls.so 3442 ;; 3443 3444openbsd*) 3445 lt_cv_file_magic_cmd=/usr/bin/file 3446 lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` 3447 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then 3448 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB shared object' 3449 else 3450 lt_cv_deplibs_check_method='file_magic OpenBSD.* shared library' 3451 fi 3452 ;; 3453 3454osf3* | osf4* | osf5*) 3455 # this will be overridden with pass_all, but let us keep it just in case 3456 lt_cv_deplibs_check_method='file_magic COFF format alpha shared library' 3457 lt_cv_file_magic_test_file=/shlib/libc.so 3458 lt_cv_deplibs_check_method=pass_all 3459 ;; 3460 3461sco3.2v5*) 3462 lt_cv_deplibs_check_method=pass_all 3463 ;; 3464 3465solaris*) 3466 lt_cv_deplibs_check_method=pass_all 3467 lt_cv_file_magic_test_file=/lib/libc.so 3468 ;; 3469 3470sysv5uw[[78]]* | sysv4*uw2*) 3471 lt_cv_deplibs_check_method=pass_all 3472 ;; 3473 3474sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 3475 case $host_vendor in 3476 motorola) 3477 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' 3478 lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` 3479 ;; 3480 ncr) 3481 lt_cv_deplibs_check_method=pass_all 3482 ;; 3483 sequent) 3484 lt_cv_file_magic_cmd='/bin/file' 3485 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' 3486 ;; 3487 sni) 3488 lt_cv_file_magic_cmd='/bin/file' 3489 lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" 3490 lt_cv_file_magic_test_file=/lib/libc.so 3491 ;; 3492 siemens) 3493 lt_cv_deplibs_check_method=pass_all 3494 ;; 3495 esac 3496 ;; 3497esac 3498]) 3499file_magic_cmd=$lt_cv_file_magic_cmd 3500deplibs_check_method=$lt_cv_deplibs_check_method 3501]) 3502 3503 3504# AC_PROG_NM - find the path to a BSD-compatible name lister 3505AC_DEFUN([AC_PROG_NM], 3506[AC_REQUIRE([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl 3507AC_MSG_CHECKING([for BSD-compatible nm]) 3508AC_CACHE_VAL(lt_cv_path_NM, 3509[if test -n "$NM"; then 3510 # Let the user override the test. 3511 lt_cv_path_NM="$NM" 3512else 3513 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=$PATH_SEPARATOR 3514 for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do 3515 test -z "$ac_dir" && ac_dir=. 3516 tmp_nm=$ac_dir/${ac_tool_prefix}nm 3517 if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then 3518 # Check to see if the nm accepts a BSD-compat flag. 3519 # Adding the `sed 1q' prevents false positives on HP-UX, which says: 3520 # nm: unknown option "B" ignored 3521 # Tru64's nm complains that /dev/null is an invalid object file 3522 if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then 3523 lt_cv_path_NM="$tmp_nm -B" 3524 break 3525 elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then 3526 lt_cv_path_NM="$tmp_nm -p" 3527 break 3528 else 3529 lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but 3530 continue # so that we can try to find one that supports BSD flags 3531 fi 3532 fi 3533 done 3534 IFS="$ac_save_ifs" 3535 test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm 3536fi]) 3537NM="$lt_cv_path_NM" 3538AC_MSG_RESULT([$NM]) 3539]) 3540 3541# AC_CHECK_LIBM - check for math library 3542AC_DEFUN([AC_CHECK_LIBM], 3543[AC_REQUIRE([AC_CANONICAL_HOST])dnl 3544LIBM= 3545case $host in 3546*-*-beos* | *-*-cygwin* | *-*-pw32*) 3547 # These system don't have libm 3548 ;; 3549*-ncr-sysv4.3*) 3550 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") 3551 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") 3552 ;; 3553*) 3554 AC_CHECK_LIB(m, main, LIBM="-lm") 3555 ;; 3556esac 3557]) 3558 3559# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for 3560# the libltdl convenience library and LTDLINCL to the include flags for 3561# the libltdl header and adds --enable-ltdl-convenience to the 3562# configure arguments. Note that LIBLTDL and LTDLINCL are not 3563# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not 3564# provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed 3565# with '${top_builddir}/' and LTDLINCL will be prefixed with 3566# '${top_srcdir}/' (note the single quotes!). If your package is not 3567# flat and you're not using automake, define top_builddir and 3568# top_srcdir appropriately in the Makefiles. 3569AC_DEFUN([AC_LIBLTDL_CONVENIENCE], 3570[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 3571 case $enable_ltdl_convenience in 3572 no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; 3573 "") enable_ltdl_convenience=yes 3574 ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; 3575 esac 3576 LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la 3577 LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl']) 3578 # For backwards non-gettext consistent compatibility... 3579 INCLTDL="$LTDLINCL" 3580]) 3581 3582# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for 3583# the libltdl installable library and LTDLINCL to the include flags for 3584# the libltdl header and adds --enable-ltdl-install to the configure 3585# arguments. Note that LIBLTDL and LTDLINCL are not AC_SUBSTed, nor is 3586# AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed 3587# libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will 3588# be prefixed with '${top_builddir}/' and LTDLINCL will be prefixed 3589# with '${top_srcdir}/' (note the single quotes!). If your package is 3590# not flat and you're not using automake, define top_builddir and 3591# top_srcdir appropriately in the Makefiles. 3592# In the future, this macro may have to be called after AC_PROG_LIBTOOL. 3593AC_DEFUN([AC_LIBLTDL_INSTALLABLE], 3594[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 3595 AC_CHECK_LIB(ltdl, main, 3596 [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no], 3597 [if test x"$enable_ltdl_install" = xno; then 3598 AC_MSG_WARN([libltdl not installed, but installation disabled]) 3599 else 3600 enable_ltdl_install=yes 3601 fi 3602 ]) 3603 if test x"$enable_ltdl_install" = x"yes"; then 3604 ac_configure_args="$ac_configure_args --enable-ltdl-install" 3605 LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la 3606 LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl']) 3607 else 3608 ac_configure_args="$ac_configure_args --enable-ltdl-install=no" 3609 LIBLTDL="-lltdl" 3610 LTDLINCL= 3611 fi 3612 # For backwards non-gettext consistent compatibility... 3613 INCLTDL="$LTDLINCL" 3614]) 3615 3616# old names 3617AC_DEFUN([AM_PROG_LIBTOOL], [AC_PROG_LIBTOOL]) 3618AC_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) 3619AC_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) 3620AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) 3621AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) 3622AC_DEFUN([AM_PROG_LD], [AC_PROG_LD]) 3623AC_DEFUN([AM_PROG_NM], [AC_PROG_NM]) 3624 3625# This is just to silence aclocal about the macro not being used 3626ifelse([AC_DISABLE_FAST_INSTALL]) 3627 3628############################################################ 3629# NOTE: This macro has been submitted for inclusion into # 3630# GNU Autoconf as AC_PROG_SED. When it is available in # 3631# a released version of Autoconf we should remove this # 3632# macro and use it instead. # 3633############################################################ 3634# LT_AC_PROG_SED 3635# -------------- 3636# Check for a fully-functional sed program, that truncates 3637# as few characters as possible. Prefer GNU sed if found. 3638AC_DEFUN([LT_AC_PROG_SED], 3639[AC_MSG_CHECKING([for a sed that does not truncate output]) 3640AC_CACHE_VAL(lt_cv_path_SED, 3641[# Loop through the user's path and test for sed and gsed. 3642# Then use that list of sed's as ones to test for truncation. 3643as_executable_p="test -f" 3644as_save_IFS=$IFS; IFS=$PATH_SEPARATOR 3645for as_dir in $PATH 3646do 3647 IFS=$as_save_IFS 3648 test -z "$as_dir" && as_dir=. 3649 for ac_prog in sed gsed; do 3650 for ac_exec_ext in '' $ac_executable_extensions; do 3651 if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then 3652 _sed_list="$_sed_list $as_dir/$ac_prog$ac_exec_ext" 3653 fi 3654 done 3655 done 3656done 3657 3658 # Create a temporary directory, and hook for its removal unless debugging. 3659$debug || 3660{ 3661 trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0 3662 trap '{ (exit 1); exit 1; }' 1 2 13 15 3663} 3664 3665# Create a (secure) tmp directory for tmp files. 3666: ${TMPDIR=/tmp} 3667{ 3668 tmp=`(umask 077 && mktemp -d -q "$TMPDIR/sedXXXXXX") 2>/dev/null` && 3669 test -n "$tmp" && test -d "$tmp" 3670} || 3671{ 3672 tmp=$TMPDIR/sed$$-$RANDOM 3673 (umask 077 && mkdir $tmp) 3674} || 3675{ 3676 echo "$me: cannot create a temporary directory in $TMPDIR" >&2 3677 { (exit 1); exit 1; } 3678} 3679 _max=0 3680 _count=0 3681 # Add /usr/xpg4/bin/sed as it is typically found on Solaris 3682 # along with /bin/sed that truncates output. 3683 for _sed in $_sed_list /usr/xpg4/bin/sed; do 3684 test ! -f ${_sed} && break 3685 cat /dev/null > "$tmp/sed.in" 3686 _count=0 3687 echo ${ECHO_N-$ac_n} "0123456789${ECHO_C-$ac_c}" >"$tmp/sed.in" 3688 # Check for GNU sed and select it if it is found. 3689 if "${_sed}" --version 2>&1 < /dev/null | egrep '(GNU)' > /dev/null; then 3690 lt_cv_path_SED=${_sed} 3691 break 3692 fi 3693 while true; do 3694 cat "$tmp/sed.in" "$tmp/sed.in" >"$tmp/sed.tmp" 3695 mv "$tmp/sed.tmp" "$tmp/sed.in" 3696 cp "$tmp/sed.in" "$tmp/sed.nl" 3697 echo >>"$tmp/sed.nl" 3698 ${_sed} -e 's/a$//' < "$tmp/sed.nl" >"$tmp/sed.out" || break 3699 cmp -s "$tmp/sed.out" "$tmp/sed.nl" || break 3700 # 40000 chars as input seems more than enough 3701 test $_count -gt 10 && break 3702 _count=`expr $_count + 1` 3703 if test $_count -gt $_max; then 3704 _max=$_count 3705 lt_cv_path_SED=$_sed 3706 fi 3707 done 3708 done 3709 rm -rf "$tmp" 3710]) 3711if test "X$SED" != "X"; then 3712 lt_cv_path_SED=$SED 3713else 3714 SED=$lt_cv_path_SED 3715fi 3716AC_MSG_RESULT([$SED]) 3717]) 3718## ltdl.m4 - Configure ltdl for the target system. -*-Shell-script-*- 3719## Copyright (C) 1999-2000 Free Software Foundation, Inc. 3720## 3721## This program is free software; you can redistribute it and/or modify 3722## it under the terms of the GNU General Public License as published by 3723## the Free Software Foundation; either version 2 of the License, or 3724## (at your option) any later version. 3725## 3726## This program is distributed in the hope that it will be useful, but 3727## WITHOUT ANY WARRANTY; without even the implied warranty of 3728## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 3729## General Public License for more details. 3730## 3731## You should have received a copy of the GNU General Public License 3732## along with this program; if not, write to the Free Software 3733## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 3734## 3735## As a special exception to the GNU General Public License, if you 3736## distribute this file as part of a program that contains a 3737## configuration script generated by Autoconf, you may include it under 3738## the same distribution terms that you use for the rest of that program. 3739 3740# serial 5 AC_LIB_LTDL 3741 3742# AC_WITH_LTDL 3743# ------------ 3744# Clients of libltdl can use this macro to allow the installer to 3745# choose between a shipped copy of the ltdl sources or a preinstalled 3746# version of the library. 3747AC_DEFUN([AC_WITH_LTDL], 3748[AC_REQUIRE([AC_LIB_LTDL]) 3749AC_SUBST([LIBLTDL]) 3750AC_SUBST([INCLTDL]) 3751 3752# Unless the user asks us to check, assume no installed ltdl exists. 3753use_installed_libltdl=no 3754 3755AC_ARG_WITH([included_ltdl], 3756 [ --with-included-ltdl use the GNU ltdl sources included here]) 3757 3758if test "x$with_included_ltdl" != xyes; then 3759 # We are not being forced to use the included libltdl sources, so 3760 # decide whether there is a useful installed version we can use. 3761 AC_CHECK_HEADER([ltdl.h], 3762 [AC_CHECK_LIB([ltdl], [lt_dlcaller_register], 3763 [with_included_ltdl=no], 3764 [with_included_ltdl=yes]) 3765 ]) 3766fi 3767 3768if test "x$enable_ltdl_install" != xyes; then 3769 # If the user did not specify an installable libltdl, then default 3770 # to a convenience lib. 3771 AC_LIBLTDL_CONVENIENCE 3772fi 3773 3774if test "x$with_included_ltdl" = xno; then 3775 # If the included ltdl is not to be used. then Use the 3776 # preinstalled libltdl we found. 3777 AC_DEFINE([HAVE_LTDL], 1, 3778 [Define this if a modern libltdl is already installed]) 3779 LIBLTDL=-lltdl 3780fi 3781 3782# Report our decision... 3783AC_MSG_CHECKING([whether to use included libltdl]) 3784AC_MSG_RESULT([$with_included_ltdl]) 3785 3786AC_CONFIG_SUBDIRS([libltdl]) 3787])# AC_WITH_LTDL 3788 3789 3790# AC_LIB_LTDL 3791# ----------- 3792# Perform all the checks necessary for compilation of the ltdl objects 3793# -- including compiler checks and header checks. 3794AC_DEFUN([AC_LIB_LTDL], 3795[AC_PREREQ(2.13) 3796AC_REQUIRE([AC_PROG_CC]) 3797AC_REQUIRE([AC_C_CONST]) 3798AC_REQUIRE([AC_HEADER_STDC]) 3799AC_REQUIRE([AC_HEADER_DIRENT]) 3800AC_REQUIRE([AC_LIBTOOL_HEADER_ASSERT]) 3801AC_REQUIRE([_LT_AC_CHECK_DLFCN]) 3802AC_REQUIRE([AC_LTDL_ENABLE_INSTALL]) 3803AC_REQUIRE([AC_LTDL_SHLIBEXT]) 3804AC_REQUIRE([AC_LTDL_SHLIBPATH]) 3805AC_REQUIRE([AC_LTDL_SYSSEARCHPATH]) 3806AC_REQUIRE([AC_LTDL_OBJDIR]) 3807AC_REQUIRE([AC_LTDL_DLPREOPEN]) 3808AC_REQUIRE([AC_LTDL_DLLIB]) 3809AC_REQUIRE([AC_LTDL_SYMBOL_USCORE]) 3810AC_REQUIRE([AC_LTDL_DLSYM_USCORE]) 3811AC_REQUIRE([AC_LTDL_SYS_DLOPEN_DEPLIBS]) 3812AC_REQUIRE([AC_LTDL_FUNC_ARGZ]) 3813 3814AC_CHECK_HEADERS([errno.h malloc.h memory.h stdlib.h stdio.h ctype.h unistd.h]) 3815AC_CHECK_HEADERS([dl.h sys/dl.h dld.h]) 3816AC_CHECK_HEADERS([string.h strings.h], break) 3817 3818AC_CHECK_FUNCS([strchr index], break) 3819AC_CHECK_FUNCS([strrchr rindex], break) 3820AC_CHECK_FUNCS([memcpy bcopy], break) 3821AC_CHECK_FUNCS([memmove strcmp]) 3822 3823])# AC_LIB_LTDL 3824 3825# AC_LTDL_ENABLE_INSTALL 3826# ---------------------- 3827AC_DEFUN([AC_LTDL_ENABLE_INSTALL], 3828[AC_ARG_ENABLE(ltdl-install, 3829[ --enable-ltdl-install install libltdl]) 3830 3831AM_CONDITIONAL(INSTALL_LTDL, test x"${enable_ltdl_install-no}" != xno) 3832AM_CONDITIONAL(CONVENIENCE_LTDL, test x"${enable_ltdl_convenience-no}" != xno) 3833])])# AC_LTDL_ENABLE_INSTALL 3834 3835# AC_LTDL_SYS_DLOPEN_DEPLIBS 3836# -------------------------- 3837AC_DEFUN([AC_LTDL_SYS_DLOPEN_DEPLIBS], 3838[AC_REQUIRE([AC_CANONICAL_HOST]) 3839AC_CACHE_CHECK([whether deplibs are loaded by dlopen], 3840 libltdl_cv_sys_dlopen_deplibs, [dnl 3841 # PORTME does your system automatically load deplibs for dlopen()? 3842 libltdl_cv_sys_dlopen_deplibs=unknown 3843 case "$host_os" in 3844 hpux10*|hpux11*) 3845 libltdl_cv_sys_dlopen_deplibs=yes 3846 ;; 3847 linux*|freebsd*-gnu*) 3848 libltdl_cv_sys_dlopen_deplibs=yes 3849 ;; 3850 netbsd*) 3851 libltdl_cv_sys_dlopen_deplibs=yes 3852 ;; 3853 openbsd*) 3854 libltdl_cv_sys_dlopen_deplibs=yes 3855 ;; 3856 solaris*) 3857 libltdl_cv_sys_dlopen_deplibs=yes 3858 ;; 3859 esac 3860]) 3861if test "$libltdl_cv_sys_dlopen_deplibs" != yes; then 3862 AC_DEFINE(LTDL_DLOPEN_DEPLIBS, 1, 3863 [Define if the OS needs help to load dependent libraries for dlopen(). ]) 3864fi 3865])# AC_LTDL_SYS_DLOPEN_DEPLIBS 3866 3867# AC_LTDL_SHLIBEXT 3868# ---------------- 3869AC_DEFUN([AC_LTDL_SHLIBEXT], 3870[AC_REQUIRE([_LT_AC_LTCONFIG_HACK]) 3871AC_CACHE_CHECK([which extension is used for shared libraries], 3872 libltdl_cv_shlibext, 3873[ac_last= 3874 for ac_spec in $library_names_spec; do 3875 ac_last="$ac_spec" 3876 done 3877 echo "$ac_last" | [sed 's/\[.*\]//;s/^[^.]*//;s/\$.*$//;s/\.$//'] > conftest 3878libltdl_cv_shlibext=`cat conftest` 3879rm -f conftest 3880]) 3881if test -n "$libltdl_cv_shlibext"; then 3882 AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext", 3883 [Define to the extension used for shared libraries, say, ".so". ]) 3884fi 3885])# AC_LTDL_SHLIBEXT 3886 3887# AC_LTDL_SHLIBPATH 3888# ----------------- 3889AC_DEFUN([AC_LTDL_SHLIBPATH], 3890[AC_REQUIRE([_LT_AC_LTCONFIG_HACK]) 3891AC_CACHE_CHECK([which variable specifies run-time library path], 3892 libltdl_cv_shlibpath_var, [libltdl_cv_shlibpath_var="$shlibpath_var"]) 3893if test -n "$libltdl_cv_shlibpath_var"; then 3894 AC_DEFINE_UNQUOTED(LTDL_SHLIBPATH_VAR, "$libltdl_cv_shlibpath_var", 3895 [Define to the name of the environment variable that determines the dynamic library search path. ]) 3896fi 3897])# AC_LTDL_SHLIBPATH 3898 3899# AC_LTDL_SYSSEARCHPATH 3900# --------------------- 3901AC_DEFUN([AC_LTDL_SYSSEARCHPATH], 3902[AC_REQUIRE([_LT_AC_LTCONFIG_HACK]) 3903AC_CACHE_CHECK([for the default library search path], 3904 libltdl_cv_sys_search_path, [libltdl_cv_sys_search_path="$sys_lib_dlsearch_path_spec"]) 3905if test -n "$libltdl_cv_sys_search_path"; then 3906 case "$host" in 3907 *-*-mingw*) pathsep=";" ;; 3908 *) pathsep=":" ;; 3909 esac 3910 sys_search_path= 3911 for dir in $libltdl_cv_sys_search_path; do 3912 if test -z "$sys_search_path"; then 3913 sys_search_path="$dir" 3914 else 3915 sys_search_path="$sys_search_path$pathsep$dir" 3916 fi 3917 done 3918 AC_DEFINE_UNQUOTED(LTDL_SYSSEARCHPATH, "$sys_search_path", 3919 [Define to the system default library search path. ]) 3920fi 3921])# AC_LTDL_SYSSEARCHPATH 3922 3923# AC_LTDL_OBJDIR 3924# -------------- 3925AC_DEFUN([AC_LTDL_OBJDIR], 3926[AC_CACHE_CHECK([for objdir], 3927 libltdl_cv_objdir, [libltdl_cv_objdir="$objdir" 3928if test -n "$objdir"; then 3929 : 3930else 3931 rm -f .libs 2>/dev/null 3932 mkdir .libs 2>/dev/null 3933 if test -d .libs; then 3934 libltdl_cv_objdir=.libs 3935 else 3936 # MS-DOS does not allow filenames that begin with a dot. 3937 libltdl_cv_objdir=_libs 3938 fi 3939rmdir .libs 2>/dev/null 3940fi]) 3941AC_DEFINE_UNQUOTED(LTDL_OBJDIR, "$libltdl_cv_objdir/", 3942 [Define to the sub-directory in which libtool stores uninstalled libraries. ]) 3943])# AC_LTDL_OBJDIR 3944 3945# AC_LTDL_DLPREOPEN 3946# ----------------- 3947AC_DEFUN([AC_LTDL_DLPREOPEN], 3948[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl 3949AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen], 3950 libltdl_cv_preloaded_symbols, [dnl 3951 if test -n "$global_symbol_pipe"; then 3952 libltdl_cv_preloaded_symbols=yes 3953 else 3954 libltdl_cv_preloaded_symbols=no 3955 fi 3956]) 3957if test x"$libltdl_cv_preloaded_symbols" = x"yes"; then 3958 AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1, 3959 [Define if libtool can extract symbol lists from object files. ]) 3960fi 3961])# AC_LTDL_DLPREOPEN 3962 3963# AC_LTDL_DLLIB 3964# ------------- 3965AC_DEFUN([AC_LTDL_DLLIB], 3966[LIBADD_DL= 3967AC_SUBST(LIBADD_DL) 3968 3969AC_CHECK_FUNC([shl_load], 3970 [AC_DEFINE([HAVE_SHL_LOAD], [1], 3971 [Define if you have the shl_load function.])], 3972 [AC_CHECK_LIB([dld], [shl_load], 3973 [AC_DEFINE([HAVE_SHL_LOAD], [1], 3974 [Define if you have the shl_load function.]) 3975 LIBADD_DL="$LIBADD_DL -ldld"], 3976 [AC_CHECK_LIB([dl], [dlopen], 3977 [AC_DEFINE([HAVE_LIBDL], [1], 3978 [Define if you have the libdl library or equivalent.]) 3979 LIBADD_DL="-ldl"], 3980 [AC_TRY_LINK([#if HAVE_DLFCN_H 3981# include <dlfcn.h> 3982#endif 3983 ], 3984 [dlopen(0, 0);], 3985 [AC_DEFINE([HAVE_LIBDL], [1], 3986 [Define if you have the libdl library or equivalent.])], 3987 [AC_CHECK_LIB([svld], [dlopen], 3988 [AC_DEFINE([HAVE_LIBDL], [1], 3989 [Define if you have the libdl library or equivalent.]) 3990 LIBADD_DL="-lsvld"], 3991 [AC_CHECK_LIB([dld], [dld_link], 3992 [AC_DEFINE([HAVE_DLD], [1], 3993 [Define if you have the GNU dld library.]) 3994 LIBADD_DL="$LIBADD_DL -ldld" 3995 ]) 3996 ]) 3997 ]) 3998 ]) 3999 ]) 4000]) 4001 4002if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then 4003 LIBS_SAVE="$LIBS" 4004 LIBS="$LIBS $LIBADD_DL" 4005 AC_CHECK_FUNCS(dlerror) 4006 LIBS="$LIBS_SAVE" 4007fi 4008])# AC_LTDL_DLLIB 4009 4010# AC_LTDL_SYMBOL_USCORE 4011# --------------------- 4012AC_DEFUN([AC_LTDL_SYMBOL_USCORE], 4013[dnl does the compiler prefix global symbols with an underscore? 4014AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl 4015AC_MSG_CHECKING([for _ prefix in compiled symbols]) 4016AC_CACHE_VAL(ac_cv_sys_symbol_underscore, 4017[ac_cv_sys_symbol_underscore=no 4018cat > conftest.$ac_ext <<EOF 4019void nm_test_func(){} 4020int main(){nm_test_func;return 0;} 4021EOF 4022if AC_TRY_EVAL(ac_compile); then 4023 # Now try to grab the symbols. 4024 ac_nlist=conftest.nm 4025 if AC_TRY_EVAL(NM conftest.$ac_objext \| $global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then 4026 # See whether the symbols have a leading underscore. 4027 if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then 4028 ac_cv_sys_symbol_underscore=yes 4029 else 4030 if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then 4031 : 4032 else 4033 echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC 4034 fi 4035 fi 4036 else 4037 echo "configure: cannot run $global_symbol_pipe" >&AC_FD_CC 4038 fi 4039else 4040 echo "configure: failed program was:" >&AC_FD_CC 4041 cat conftest.c >&AC_FD_CC 4042fi 4043rm -rf conftest* 4044]) 4045AC_MSG_RESULT($ac_cv_sys_symbol_underscore) 4046])# AC_LTDL_SYMBOL_USCORE 4047 4048 4049# AC_LTDL_DLSYM_USCORE 4050# -------------------- 4051AC_DEFUN([AC_LTDL_DLSYM_USCORE], 4052[AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl 4053if test x"$ac_cv_sys_symbol_underscore" = xyes; then 4054 if test x"$ac_cv_func_dlopen" = xyes || 4055 test x"$ac_cv_lib_dl_dlopen" = xyes ; then 4056 AC_CACHE_CHECK([whether we have to add an underscore for dlsym], 4057 libltdl_cv_need_uscore, [dnl 4058 libltdl_cv_need_uscore=unknown 4059 save_LIBS="$LIBS" 4060 LIBS="$LIBS $LIBADD_DL" 4061 _LT_AC_TRY_DLOPEN_SELF( 4062 libltdl_cv_need_uscore=no, libltdl_cv_need_uscore=yes, 4063 [], libltdl_cv_need_uscore=cross) 4064 LIBS="$save_LIBS" 4065 ]) 4066 fi 4067fi 4068 4069if test x"$libltdl_cv_need_uscore" = xyes; then 4070 AC_DEFINE(NEED_USCORE, 1, 4071 [Define if dlsym() requires a leading underscore in symbol names. ]) 4072fi 4073])# AC_LTDL_DLSYM_USCORE 4074 4075 4076# AC_CHECK_TYPES(TYPES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], 4077# [INCLUDES]) 4078# --------------------------------------------------------------- 4079# This macro did not exist in Autoconf 2.13, which we do still support 4080ifdef([AC_CHECK_TYPES], [], 4081[define([AC_CHECK_TYPES], 4082 [AC_CACHE_CHECK([for $1], ac_Type, 4083 [AC_TRY_LINK([$4], 4084 [if (($1 *) 0) 4085 return 0; 4086 if (sizeof ($1)) 4087 return 0;], 4088 [ac_Type=yes], 4089 [ac_Type=no])]) 4090 if test "x$ac_Type" = xyes; then 4091 ifelse([$2], [], [:], [$2]) 4092 else 4093 ifelse([$3], [], [:], [$3]) 4094 fi]) 4095])# AC_CHECK_TYPES 4096 4097 4098# AC_LTDL_FUNC_ARGZ 4099# ----------------- 4100AC_DEFUN([AC_LTDL_FUNC_ARGZ], 4101[AC_CHECK_HEADERS([argz.h]) 4102 4103AC_CHECK_TYPES([error_t], 4104 [], 4105 [AC_DEFINE([error_t], [int], 4106 [Define to a type to use for \`error_t' if it is not otherwise available.])], 4107 [#if HAVE_ARGZ_H 4108# include <argz.h> 4109#endif]) 4110 4111AC_CHECK_FUNCS([argz_append argz_create_sep argz_insert argz_next argz_stringify]) 4112])# AC_LTDL_FUNC_ARGZ 4113