1#! /bin/sh 2 3# ltconfig - Create a system-specific libtool. 4# Copyright (C) 1996-1999 Free Software Foundation, Inc. 5# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 6# 7# This file is free software; you can redistribute it and/or modify it 8# under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, but 13# WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15# General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program; if not, write to the Free Software 19# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 20# 21# As a special exception to the GNU General Public License, if you 22# distribute this file as part of a program that contains a 23# configuration script generated by Autoconf, you may include it under 24# the same distribution terms that you use for the rest of that program. 25 26# A lot of this script is taken from autoconf-2.10. 27 28# Check that we are running under the correct shell. 29SHELL=${CONFIG_SHELL-/bin/sh} 30echo=echo 31if test "X$1" = X--no-reexec; then 32 # Discard the --no-reexec flag, and continue. 33 shift 34elif test "X$1" = X--fallback-echo; then 35 # Avoid inline document here, it may be left over 36 : 37elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then 38 # Yippee, $echo works! 39 : 40else 41 # Restart under the correct shell. 42 exec "$SHELL" "$0" --no-reexec ${1+"$@"} 43fi 44 45if test "X$1" = X--fallback-echo; then 46 # used as fallback echo 47 shift 48 cat <<EOF 49$* 50EOF 51 exit 0 52fi 53 54# Find the correct PATH separator. Usually this is `:', but 55# DJGPP uses `;' like DOS. 56if test "X${PATH_SEPARATOR+set}" != "Xset"; then 57 UNAME=${UNAME-`uname 2>/dev/null`} 58 case X$UNAME in 59 *-DOS) PATH_SEPARATOR=';' ;; 60 *) PATH_SEPARATOR=':' ;; 61 esac 62fi 63 64# The HP-UX ksh and POSIX shell print the target directory to stdout 65# if CDPATH is set. 66if test "${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi 67 68if test "X${echo_test_string+set}" != "Xset"; then 69 # find a string as large as possible, as long as the shell can cope with it 70 for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do 71 # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ... 72 if (echo_test_string="`eval $cmd`") 2>/dev/null && 73 echo_test_string="`eval $cmd`" && 74 (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then 75 break 76 fi 77 done 78fi 79 80if test "X`($echo '\t') 2>/dev/null`" != 'X\t' || 81 test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then 82 # The Solaris, AIX, and Digital Unix default echo programs unquote 83 # backslashes. This makes it impossible to quote backslashes using 84 # echo "$something" | sed 's/\\/\\\\/g' 85 # 86 # So, first we look for a working echo in the user's PATH. 87 88 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" 89 for dir in $PATH /usr/ucb; do 90 if (test -f $dir/echo || test -f $dir/echo$ac_exeext) && 91 test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' && 92 test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then 93 echo="$dir/echo" 94 break 95 fi 96 done 97 IFS="$save_ifs" 98 99 if test "X$echo" = Xecho; then 100 # We didn't find a better echo, so look for alternatives. 101 if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' && 102 test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then 103 # This shell has a builtin print -r that does the trick. 104 echo='print -r' 105 elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) && 106 test "X$CONFIG_SHELL" != X/bin/ksh; then 107 # If we have ksh, try running ltconfig again with it. 108 ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}" 109 export ORIGINAL_CONFIG_SHELL 110 CONFIG_SHELL=/bin/ksh 111 export CONFIG_SHELL 112 exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"} 113 else 114 # Try using printf. 115 echo='printf "%s\n"' 116 if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && 117 test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then 118 # Cool, printf works 119 : 120 elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' && 121 test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then 122 CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL" 123 export CONFIG_SHELL 124 SHELL="$CONFIG_SHELL" 125 export SHELL 126 echo="$CONFIG_SHELL $0 --fallback-echo" 127 elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' && 128 test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then 129 echo="$CONFIG_SHELL $0 --fallback-echo" 130 else 131 # maybe with a smaller string... 132 prev=: 133 134 for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do 135 if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then 136 break 137 fi 138 prev="$cmd" 139 done 140 141 if test "$prev" != 'sed 50q "$0"'; then 142 echo_test_string=`eval $prev` 143 export echo_test_string 144 exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"} 145 else 146 # Oops. We lost completely, so just stick with echo. 147 echo=echo 148 fi 149 fi 150 fi 151 fi 152fi 153 154# Sed substitution that helps us do robust quoting. It backslashifies 155# metacharacters that are still active within double-quoted strings. 156Xsed='sed -e s/^X//' 157sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g' 158 159# Same as above, but do not quote variable references. 160double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g' 161 162# Sed substitution to delay expansion of an escaped shell variable in a 163# double_quote_subst'ed string. 164delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' 165 166# The name of this program. 167progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'` 168 169# Constants: 170PROGRAM=ltconfig 171PACKAGE=libtool 172VERSION=1.3 173TIMESTAMP=" (1.385.2.117 1999/04/29 13:07:13)" 174ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.c 1>&5' 175ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS 1>&5' 176rm="rm -f" 177 178help="Try \`$progname --help' for more information." 179 180# Global variables: 181default_ofile=libtool 182can_build_shared=yes 183enable_shared=yes 184# All known linkers require a `.a' archive for static linking. 185enable_static=yes 186enable_fast_install=yes 187enable_dlopen=unknown 188enable_win32_dll=no 189ltmain= 190silent= 191srcdir= 192ac_config_guess= 193ac_config_sub= 194host= 195nonopt= 196ofile="$default_ofile" 197verify_host=yes 198with_gcc=no 199with_gnu_ld=no 200need_locks=yes 201ac_ext=c 202objext=o 203libext=a 204cache_file= 205 206old_AR="$AR" 207old_CC="$CC" 208old_CFLAGS="$CFLAGS" 209old_CPPFLAGS="$CPPFLAGS" 210old_LDFLAGS="$LDFLAGS" 211old_LD="$LD" 212old_LN_S="$LN_S" 213old_LIBS="$LIBS" 214old_NM="$NM" 215old_RANLIB="$RANLIB" 216old_DLLTOOL="$DLLTOOL" 217old_OBJDUMP="$OBJDUMP" 218old_AS="$AS" 219 220# Parse the command line options. 221args= 222prev= 223for option 224do 225 case "$option" in 226 -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;; 227 *) optarg= ;; 228 esac 229 230 # If the previous option needs an argument, assign it. 231 if test -n "$prev"; then 232 eval "$prev=\$option" 233 prev= 234 continue 235 fi 236 237 case "$option" in 238 --help) cat <<EOM 239Usage: $progname [OPTION]... [HOST [LTMAIN]] 240 241Generate a system-specific libtool script. 242 243 --debug enable verbose shell tracing 244 --disable-shared do not build shared libraries 245 --disable-static do not build static libraries 246 --disable-fast-install do not optimize for fast installation 247 --enable-dlopen enable dlopen support 248 --enable-win32-dll enable building dlls on win32 hosts 249 --help display this help and exit 250 --no-verify do not verify that HOST is a valid host type 251-o, --output=FILE specify the output file [default=$default_ofile] 252 --quiet same as \`--silent' 253 --silent do not print informational messages 254 --srcdir=DIR find \`config.guess' in DIR 255 --version output version information and exit 256 --with-gcc assume that the GNU C compiler will be used 257 --with-gnu-ld assume that the C compiler uses the GNU linker 258 --disable-lock disable file locking 259 --cache-file=FILE configure cache file 260 261LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program 262that provides basic libtool functionality. 263 264HOST is the canonical host system name [default=guessed]. 265EOM 266 exit 0 267 ;; 268 269 --debug) 270 echo "$progname: enabling shell trace mode" 271 set -x 272 ;; 273 274 --disable-shared) enable_shared=no ;; 275 276 --disable-static) enable_static=no ;; 277 278 --disable-fast-install) enable_fast_install=no ;; 279 280 --enable-dlopen) enable_dlopen=yes ;; 281 282 --enable-win32-dll) enable_win32_dll=yes ;; 283 284 --quiet | --silent) silent=yes ;; 285 286 --srcdir) prev=srcdir ;; 287 --srcdir=*) srcdir="$optarg" ;; 288 289 --no-verify) verify_host=no ;; 290 291 --output | -o) prev=ofile ;; 292 --output=*) ofile="$optarg" ;; 293 294 --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;; 295 296 --with-gcc) with_gcc=yes ;; 297 --with-gnu-ld) with_gnu_ld=yes ;; 298 299 --disable-lock) need_locks=no ;; 300 301 --cache-file=*) cache_file="$optarg" ;; 302 303 -*) 304 echo "$progname: unrecognized option \`$option'" 1>&2 305 echo "$help" 1>&2 306 exit 1 307 ;; 308 309 *) 310 if test -z "$ltmain"; then 311 ltmain="$option" 312 elif test -z "$host"; then 313# This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1 314# if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then 315# echo "$progname: warning \`$option' is not a valid host type" 1>&2 316# fi 317 host="$option" 318 else 319 echo "$progname: too many arguments" 1>&2 320 echo "$help" 1>&2 321 exit 1 322 fi ;; 323 esac 324done 325 326if test -z "$ltmain"; then 327 echo "$progname: you must specify a LTMAIN file" 1>&2 328 echo "$help" 1>&2 329 exit 1 330fi 331 332if test ! -f "$ltmain"; then 333 echo "$progname: \`$ltmain' does not exist" 1>&2 334 echo "$help" 1>&2 335 exit 1 336fi 337 338# Quote any args containing shell metacharacters. 339ltconfig_args= 340for arg 341do 342 case "$arg" in 343 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*) 344 ltconfig_args="$ltconfig_args '$arg'" ;; 345 *) ltconfig_args="$ltconfig_args $arg" ;; 346 esac 347done 348 349# A relevant subset of AC_INIT. 350 351# File descriptor usage: 352# 0 standard input 353# 1 file creation 354# 2 errors and warnings 355# 3 some systems may open it to /dev/tty 356# 4 used on the Kubota Titan 357# 5 compiler messages saved in config.log 358# 6 checking for... messages and results 359if test "$silent" = yes; then 360 exec 6>/dev/null 361else 362 exec 6>&1 363fi 364exec 5>>./config.log 365 366# NLS nuisances. 367# Only set LANG and LC_ALL to C if already set. 368# These must not be set unconditionally because not all systems understand 369# e.g. LANG=C (notably SCO). 370if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi 371if test "${LANG+set}" = set; then LANG=C; export LANG; fi 372 373if test -n "$cache_file" && test -r "$cache_file"; then 374 echo "loading cache $cache_file within ltconfig" 375 . $cache_file 376fi 377 378if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then 379 # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu. 380 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then 381 ac_n= ac_c=' 382' ac_t=' ' 383 else 384 ac_n=-n ac_c= ac_t= 385 fi 386else 387 ac_n= ac_c='\c' ac_t= 388fi 389 390if test -z "$srcdir"; then 391 # Assume the source directory is the same one as the path to LTMAIN. 392 srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'` 393 test "$srcdir" = "$ltmain" && srcdir=. 394fi 395 396trap "$rm conftest*; exit 1" 1 2 15 397if test "$verify_host" = yes; then 398 # Check for config.guess and config.sub. 399 ac_aux_dir= 400 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do 401 if test -f $ac_dir/config.guess; then 402 ac_aux_dir=$ac_dir 403 break 404 fi 405 done 406 if test -z "$ac_aux_dir"; then 407 echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2 408 echo "$help" 1>&2 409 exit 1 410 fi 411 ac_config_guess=$ac_aux_dir/config.guess 412 ac_config_sub=$ac_aux_dir/config.sub 413 414 # Make sure we can run config.sub. 415 if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then : 416 else 417 echo "$progname: cannot run $ac_config_sub" 1>&2 418 echo "$help" 1>&2 419 exit 1 420 fi 421 422 echo $ac_n "checking host system type""... $ac_c" 1>&6 423 424 host_alias=$host 425 case "$host_alias" in 426 "") 427 if host_alias=`$SHELL $ac_config_guess`; then : 428 else 429 echo "$progname: cannot guess host type; you must specify one" 1>&2 430 echo "$help" 1>&2 431 exit 1 432 fi ;; 433 esac 434 host=`$SHELL $ac_config_sub $host_alias` 435 echo "$ac_t$host" 1>&6 436 437 # Make sure the host verified. 438 test -z "$host" && exit 1 439 440elif test -z "$host"; then 441 echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2 442 echo "$help" 1>&2 443 exit 1 444else 445 host_alias=$host 446fi 447 448# Transform linux* to *-*-linux-gnu*, to support old configure scripts. 449case "$host_os" in 450linux-gnu*) ;; 451linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` 452esac 453 454host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` 455host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` 456host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` 457 458case "$host_os" in 459aix3*) 460 # AIX sometimes has problems with the GCC collect2 program. For some 461 # reason, if we set the COLLECT_NAMES environment variable, the problems 462 # vanish in a puff of smoke. 463 if test "${COLLECT_NAMES+set}" != set; then 464 COLLECT_NAMES= 465 export COLLECT_NAMES 466 fi 467 ;; 468esac 469 470# Determine commands to create old-style static archives. 471old_archive_cmds='$AR cru $oldlib$oldobjs' 472old_postinstall_cmds='chmod 644 $oldlib' 473old_postuninstall_cmds= 474 475# Set a sane default for `AR'. 476test -z "$AR" && AR=ar 477 478# Set a sane default for `OBJDUMP'. 479test -z "$OBJDUMP" && OBJDUMP=objdump 480 481# If RANLIB is not set, then run the test. 482if test "${RANLIB+set}" != "set"; then 483 result=no 484 485 echo $ac_n "checking for ranlib... $ac_c" 1>&6 486 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" 487 for dir in $PATH; do 488 test -z "$dir" && dir=. 489 if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then 490 RANLIB="ranlib" 491 result="ranlib" 492 break 493 fi 494 done 495 IFS="$save_ifs" 496 497 echo "$ac_t$result" 1>&6 498fi 499 500if test -n "$RANLIB"; then 501 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" 502 old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" 503fi 504 505# Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin. 506test -z "$DLLTOOL" && DLLTOOL=dlltool 507test -z "$OBJDUMP" && OBJDUMP=objdump 508test -z "$AS" && AS=as 509 510# Check to see if we are using GCC. 511if test "$with_gcc" != yes || test -z "$CC"; then 512 # If CC is not set, then try to find GCC or a usable CC. 513 if test -z "$CC"; then 514 echo $ac_n "checking for gcc... $ac_c" 1>&6 515 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" 516 for dir in $PATH; do 517 test -z "$dir" && dir=. 518 if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then 519 CC="gcc" 520 break 521 fi 522 done 523 IFS="$save_ifs" 524 525 if test -n "$CC"; then 526 echo "$ac_t$CC" 1>&6 527 else 528 echo "$ac_t"no 1>&6 529 fi 530 fi 531 532 # Not "gcc", so try "cc", rejecting "/usr/ucb/cc". 533 if test -z "$CC"; then 534 echo $ac_n "checking for cc... $ac_c" 1>&6 535 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" 536 cc_rejected=no 537 for dir in $PATH; do 538 test -z "$dir" && dir=. 539 if test -f $dir/cc || test -f $dir/cc$ac_exeext; then 540 if test "$dir/cc" = "/usr/ucb/cc"; then 541 cc_rejected=yes 542 continue 543 fi 544 CC="cc" 545 break 546 fi 547 done 548 IFS="$save_ifs" 549 if test $cc_rejected = yes; then 550 # We found a bogon in the path, so make sure we never use it. 551 set dummy $CC 552 shift 553 if test $# -gt 0; then 554 # We chose a different compiler from the bogus one. 555 # However, it has the same name, so the bogon will be chosen 556 # first if we set CC to just the name; use the full file name. 557 shift 558 set dummy "$dir/cc" "$@" 559 shift 560 CC="$@" 561 fi 562 fi 563 564 if test -n "$CC"; then 565 echo "$ac_t$CC" 1>&6 566 else 567 echo "$ac_t"no 1>&6 568 fi 569 570 if test -z "$CC"; then 571 echo "$progname: error: no acceptable cc found in \$PATH" 1>&2 572 exit 1 573 fi 574 fi 575 576 # Now see if the compiler is really GCC. 577 with_gcc=no 578 echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6 579 echo "$progname:579: checking whether we are using GNU C" >&5 580 581 $rm conftest.c 582 cat > conftest.c <<EOF 583#ifdef __GNUC__ 584 yes; 585#endif 586EOF 587 if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:587: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then 588 with_gcc=yes 589 fi 590 $rm conftest.c 591 echo "$ac_t$with_gcc" 1>&6 592fi 593 594# Allow CC to be a program name with arguments. 595set dummy $CC 596compiler="$2" 597 598echo $ac_n "checking for object suffix... $ac_c" 1>&6 599$rm conftest* 600echo 'int i = 1;' > conftest.c 601echo "$progname:601: checking for object suffix" >& 5 602if { (eval echo $progname:602: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then 603 # Append any warnings to the config.log. 604 cat conftest.err 1>&5 605 606 for ac_file in conftest.*; do 607 case $ac_file in 608 *.c) ;; 609 *) objext=`echo $ac_file | sed -e s/conftest.//` ;; 610 esac 611 done 612else 613 cat conftest.err 1>&5 614 echo "$progname: failed program was:" >&5 615 cat conftest.c >&5 616fi 617$rm conftest* 618echo "$ac_t$objext" 1>&6 619 620echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6 621pic_flag= 622special_shlib_compile_flags= 623wl= 624link_static_flag= 625no_builtin_flag= 626 627if test "$with_gcc" = yes; then 628 wl='-Wl,' 629 link_static_flag='-static' 630 631 case "$host_os" in 632 beos* | irix5* | irix6* | osf3* | osf4*) 633 # PIC is the default for these OSes. 634 ;; 635 aix*) 636 # Below there is a dirty hack to force normal static linking with -ldl 637 # The problem is because libdl dynamically linked with both libc and 638 # libC (AIX C++ library), which obviously doesn't included in libraries 639 # list by gcc. This cause undefined symbols with -static flags. 640 # This hack allows C programs to be linked with "-static -ldl", but 641 # we not sure about C++ programs. 642 link_static_flag="$link_static_flag ${wl}-lC" 643 ;; 644 cygwin* | mingw* | os2*) 645 # We can build DLLs from non-PIC. 646 ;; 647 amigaos*) 648 # FIXME: we need at least 68020 code to build shared libraries, but 649 # adding the `-m68020' flag to GCC prevents building anything better, 650 # like `-m68040'. 651 pic_flag='-m68020 -resident32 -malways-restore-a4' 652 ;; 653 *) 654 pic_flag='-fPIC' 655 ;; 656 esac 657else 658 # PORTME Check for PIC flags for the system compiler. 659 case "$host_os" in 660 aix3* | aix4*) 661 # All AIX code is PIC. 662 link_static_flag='-bnso -bI:/lib/syscalls.exp' 663 ;; 664 665 hpux9* | hpux10* | hpux11*) 666 # Is there a better link_static_flag that works with the bundled CC? 667 wl='-Wl,' 668 link_static_flag="${wl}-a ${wl}archive" 669 pic_flag='+Z' 670 ;; 671 672 irix5* | irix6*) 673 wl='-Wl,' 674 link_static_flag='-non_shared' 675 # PIC (with -KPIC) is the default. 676 ;; 677 678 cygwin* | mingw* | os2*) 679 # We can build DLLs from non-PIC. 680 ;; 681 682 osf3* | osf4*) 683 # All OSF/1 code is PIC. 684 wl='-Wl,' 685 link_static_flag='-non_shared' 686 ;; 687 688 sco3.2v5*) 689 pic_flag='-Kpic' 690 link_static_flag='-dn' 691 special_shlib_compile_flags='-belf' 692 ;; 693 694 solaris*) 695 pic_flag='-KPIC' 696 link_static_flag='-Bstatic' 697 wl='-Wl,' 698 ;; 699 700 sunos4*) 701 pic_flag='-PIC' 702 link_static_flag='-Bstatic' 703 wl='-Qoption ld ' 704 ;; 705 706 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 707 pic_flag='-KPIC' 708 link_static_flag='-Bstatic' 709 wl='-Wl,' 710 ;; 711 712 uts4*) 713 pic_flag='-pic' 714 link_static_flag='-Bstatic' 715 ;; 716 717 *) 718 can_build_shared=no 719 ;; 720 esac 721fi 722 723if test -n "$pic_flag"; then 724 echo "$ac_t$pic_flag" 1>&6 725 726 # Check to make sure the pic_flag actually works. 727 echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6 728 $rm conftest* 729 echo "int some_variable = 0;" > conftest.c 730 save_CFLAGS="$CFLAGS" 731 CFLAGS="$CFLAGS $pic_flag -DPIC" 732 echo "$progname:732: checking if $compiler PIC flag $pic_flag works" >&5 733 if { (eval echo $progname:733: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then 734 # Append any warnings to the config.log. 735 cat conftest.err 1>&5 736 737 case "$host_os" in 738 hpux9* | hpux10* | hpux11*) 739 # On HP-UX, both CC and GCC only warn that PIC is supported... then they 740 # create non-PIC objects. So, if there were any warnings, we assume that 741 # PIC is not supported. 742 if test -s conftest.err; then 743 echo "$ac_t"no 1>&6 744 can_build_shared=no 745 pic_flag= 746 else 747 echo "$ac_t"yes 1>&6 748 pic_flag=" $pic_flag" 749 fi 750 ;; 751 *) 752 echo "$ac_t"yes 1>&6 753 pic_flag=" $pic_flag" 754 ;; 755 esac 756 else 757 # Append any errors to the config.log. 758 cat conftest.err 1>&5 759 can_build_shared=no 760 pic_flag= 761 echo "$ac_t"no 1>&6 762 fi 763 CFLAGS="$save_CFLAGS" 764 $rm conftest* 765else 766 echo "$ac_t"none 1>&6 767fi 768 769# Check to see if options -o and -c are simultaneously supported by compiler 770echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6 771$rm -r conftest 2>/dev/null 772mkdir conftest 773cd conftest 774$rm conftest* 775echo "int some_variable = 0;" > conftest.c 776mkdir out 777# According to Tom Tromey, Ian Lance Taylor reported there are C compilers 778# that will create temporary files in the current directory regardless of 779# the output directory. Thus, making CWD read-only will cause this test 780# to fail, enabling locking or at least warning the user not to do parallel 781# builds. 782chmod -w . 783save_CFLAGS="$CFLAGS" 784CFLAGS="$CFLAGS -o out/conftest2.o" 785echo "$progname:785: checking if $compiler supports -c -o file.o" >&5 786if { (eval echo $progname:786: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then 787 788 # The compiler can only warn and ignore the option if not recognized 789 # So say no if there are warnings 790 if test -s out/conftest.err; then 791 echo "$ac_t"no 1>&6 792 compiler_c_o=no 793 else 794 echo "$ac_t"yes 1>&6 795 compiler_c_o=yes 796 fi 797else 798 # Append any errors to the config.log. 799 cat out/conftest.err 1>&5 800 compiler_c_o=no 801 echo "$ac_t"no 1>&6 802fi 803CFLAGS="$save_CFLAGS" 804chmod u+w . 805$rm conftest* out/* 806rmdir out 807cd .. 808rmdir conftest 809$rm -r conftest 2>/dev/null 810 811if test x"$compiler_c_o" = x"yes"; then 812 # Check to see if we can write to a .lo 813 echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6 814 $rm conftest* 815 echo "int some_variable = 0;" > conftest.c 816 save_CFLAGS="$CFLAGS" 817 CFLAGS="$CFLAGS -c -o conftest.lo" 818 echo "$progname:818: checking if $compiler supports -c -o file.lo" >&5 819if { (eval echo $progname:819: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then 820 821 # The compiler can only warn and ignore the option if not recognized 822 # So say no if there are warnings 823 if test -s conftest.err; then 824 echo "$ac_t"no 1>&6 825 compiler_o_lo=no 826 else 827 echo "$ac_t"yes 1>&6 828 compiler_o_lo=yes 829 fi 830 else 831 # Append any errors to the config.log. 832 cat conftest.err 1>&5 833 compiler_o_lo=no 834 echo "$ac_t"no 1>&6 835 fi 836 CFLAGS="$save_CFLAGS" 837 $rm conftest* 838else 839 compiler_o_lo=no 840fi 841 842# Check to see if we can do hard links to lock some files if needed 843hard_links="nottested" 844if test "$compiler_c_o" = no && test "$need_locks" != no; then 845 # do not overwrite the value of need_locks provided by the user 846 echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6 847 hard_links=yes 848 $rm conftest* 849 ln conftest.a conftest.b 2>/dev/null && hard_links=no 850 touch conftest.a 851 ln conftest.a conftest.b 2>&5 || hard_links=no 852 ln conftest.a conftest.b 2>/dev/null && hard_links=no 853 echo "$ac_t$hard_links" 1>&6 854 $rm conftest* 855 if test "$hard_links" = no; then 856 echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2 857 need_locks=warn 858 fi 859else 860 need_locks=no 861fi 862 863if test "$with_gcc" = yes; then 864 # Check to see if options -fno-rtti -fno-exceptions are supported by compiler 865 echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6 866 $rm conftest* 867 echo "int some_variable = 0;" > conftest.c 868 save_CFLAGS="$CFLAGS" 869 CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c" 870 echo "$progname:870: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 871 if { (eval echo $progname:871: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then 872 873 # The compiler can only warn and ignore the option if not recognized 874 # So say no if there are warnings 875 if test -s conftest.err; then 876 echo "$ac_t"no 1>&6 877 compiler_rtti_exceptions=no 878 else 879 echo "$ac_t"yes 1>&6 880 compiler_rtti_exceptions=yes 881 fi 882 else 883 # Append any errors to the config.log. 884 cat conftest.err 1>&5 885 compiler_rtti_exceptions=no 886 echo "$ac_t"no 1>&6 887 fi 888 CFLAGS="$save_CFLAGS" 889 $rm conftest* 890 891 if test "$compiler_rtti_exceptions" = "yes"; then 892 no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions' 893 else 894 no_builtin_flag=' -fno-builtin' 895 fi 896 897fi 898 899# Check for any special shared library compilation flags. 900if test -n "$special_shlib_compile_flags"; then 901 echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2 902 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then : 903 else 904 echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2 905 can_build_shared=no 906 fi 907fi 908 909echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6 910$rm conftest* 911echo 'main(){return(0);}' > conftest.c 912save_LDFLAGS="$LDFLAGS" 913LDFLAGS="$LDFLAGS $link_static_flag" 914echo "$progname:914: checking if $compiler static flag $link_static_flag works" >&5 915if { (eval echo $progname:915: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then 916 echo "$ac_t$link_static_flag" 1>&6 917else 918 echo "$ac_t"none 1>&6 919 link_static_flag= 920fi 921LDFLAGS="$save_LDFLAGS" 922$rm conftest* 923 924if test -z "$LN_S"; then 925 # Check to see if we can use ln -s, or we need hard links. 926 echo $ac_n "checking whether ln -s works... $ac_c" 1>&6 927 $rm conftest.dat 928 if ln -s X conftest.dat 2>/dev/null; then 929 $rm conftest.dat 930 LN_S="ln -s" 931 else 932 LN_S=ln 933 fi 934 if test "$LN_S" = "ln -s"; then 935 echo "$ac_t"yes 1>&6 936 else 937 echo "$ac_t"no 1>&6 938 fi 939fi 940 941# Make sure LD is an absolute path. 942if test -z "$LD"; then 943 ac_prog=ld 944 if test "$with_gcc" = yes; then 945 # Check if gcc -print-prog-name=ld gives a path. 946 echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6 947 echo "$progname:947: checking for ld used by GCC" >&5 948 ac_prog=`($CC -print-prog-name=ld) 2>&5` 949 case "$ac_prog" in 950 # Accept absolute paths. 951 [\\/]* | [A-Za-z]:[\\/]*) 952 re_direlt='/[^/][^/]*/\.\./' 953 # Canonicalize the path of ld 954 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` 955 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do 956 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` 957 done 958 test -z "$LD" && LD="$ac_prog" 959 ;; 960 "") 961 # If it fails, then pretend we are not using GCC. 962 ac_prog=ld 963 ;; 964 *) 965 # If it is relative, then search for the first ld in PATH. 966 with_gnu_ld=unknown 967 ;; 968 esac 969 elif test "$with_gnu_ld" = yes; then 970 echo $ac_n "checking for GNU ld... $ac_c" 1>&6 971 echo "$progname:971: checking for GNU ld" >&5 972 else 973 echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6 974 echo "$progname:974: checking for non-GNU ld" >&5 975 fi 976 977 if test -z "$LD"; then 978 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" 979 for ac_dir in $PATH; do 980 test -z "$ac_dir" && ac_dir=. 981 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then 982 LD="$ac_dir/$ac_prog" 983 # Check to see if the program is GNU ld. I'd rather use --version, 984 # but apparently some GNU ld's only accept -v. 985 # Break only if it was the GNU/non-GNU ld that we prefer. 986 if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then 987 test "$with_gnu_ld" != no && break 988 else 989 test "$with_gnu_ld" != yes && break 990 fi 991 fi 992 done 993 IFS="$ac_save_ifs" 994 fi 995 996 if test -n "$LD"; then 997 echo "$ac_t$LD" 1>&6 998 else 999 echo "$ac_t"no 1>&6 1000 fi 1001 1002 if test -z "$LD"; then 1003 echo "$progname: error: no acceptable ld found in \$PATH" 1>&2 1004 exit 1 1005 fi 1006fi 1007 1008# Check to see if it really is or is not GNU ld. 1009echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6 1010# I'd rather use --version here, but apparently some GNU ld's only accept -v. 1011if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then 1012 with_gnu_ld=yes 1013else 1014 with_gnu_ld=no 1015fi 1016echo "$ac_t$with_gnu_ld" 1>&6 1017 1018# See if the linker supports building shared libraries. 1019echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6 1020 1021allow_undefined_flag= 1022no_undefined_flag= 1023need_lib_prefix=unknown 1024need_version=unknown 1025# when you set need_version to no, make sure it does not cause -set_version 1026# flags to be left without arguments 1027archive_cmds= 1028archive_expsym_cmds= 1029old_archive_from_new_cmds= 1030export_dynamic_flag_spec= 1031whole_archive_flag_spec= 1032thread_safe_flag_spec= 1033hardcode_libdir_flag_spec= 1034hardcode_libdir_separator= 1035hardcode_direct=no 1036hardcode_minus_L=no 1037hardcode_shlibpath_var=unsupported 1038runpath_var= 1039always_export_symbols=no 1040export_symbols_cmds='$NM $libobjs | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols' 1041# include_expsyms should be a list of space-separated symbols to be *always* 1042# included in the symbol list 1043include_expsyms= 1044# exclude_expsyms can be an egrep regular expression of symbols to exclude 1045# it will be wrapped by ` (' and `)$', so one must not match beginning or 1046# end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', 1047# as well as any symbol that contains `d'. 1048exclude_expsyms="_GLOBAL_OFFSET_TABLE_" 1049# Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out 1050# platforms (ab)use it in PIC code, but their linkers get confused if 1051# the symbol is explicitly referenced. Since portable code cannot 1052# rely on this symbol name, it's probably fine to never include it in 1053# preloaded symbol tables. 1054 1055case "$host_os" in 1056cygwin* | mingw*) 1057 # FIXME: the MSVC++ port hasn't been tested in a loooong time 1058 # When not using gcc, we currently assume that we are using 1059 # Microsoft Visual C++. 1060 if test "$with_gcc" != yes; then 1061 with_gnu_ld=no 1062 fi 1063 ;; 1064 1065esac 1066 1067ld_shlibs=yes 1068if test "$with_gnu_ld" = yes; then 1069 # If archive_cmds runs LD, not CC, wlarc should be empty 1070 wlarc='${wl}' 1071 1072 # See if GNU ld supports shared libraries. 1073 case "$host_os" in 1074 aix3* | aix4*) 1075 # On AIX, the GNU linker is very broken 1076 ld_shlibs=no 1077 cat <<EOF 1>&2 1078 1079*** Warning: the GNU linker, at least up to release 2.9.1, is reported 1080*** to be unable to reliably create shared libraries on AIX. 1081*** Therefore, libtool is disabling shared libraries support. If you 1082*** really care for shared libraries, you may want to modify your PATH 1083*** so that a non-GNU linker is found, and then restart. 1084 1085EOF 1086 ;; 1087 1088 amigaos*) 1089 archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)' 1090 hardcode_libdir_flag_spec='-L$libdir' 1091 hardcode_minus_L=yes 1092 1093 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports 1094 # that the semantics of dynamic libraries on AmigaOS, at least up 1095 # to version 4, is to share data among multiple programs linked 1096 # with the same dynamic library. Since this doesn't match the 1097 # behavior of shared libraries on other platforms, we can use 1098 # them. 1099 ld_shlibs=no 1100 ;; 1101 1102 beos*) 1103 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 1104 allow_undefined_flag=unsupported 1105 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc 1106 # support --undefined. This deserves some investigation. FIXME 1107 archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' 1108 else 1109 ld_shlibs=no 1110 fi 1111 ;; 1112 1113 cygwin* | mingw*) 1114 # hardcode_libdir_flag_spec is actually meaningless, as there is 1115 # no search path for DLLs. 1116 hardcode_libdir_flag_spec='-L$libdir' 1117 allow_undefined_flag=unsupported 1118 always_export_symbols=yes 1119 1120 # Extract the symbol export list from an `--export-all' def file, 1121 # then regenerate the def file from the symbol export list, so that 1122 # the compiled dll only exports the symbol export list. 1123 export_symbols_cmds='rm -f $objdir/$soname-ltdll.c~ 1124 sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~ 1125 (cd $objdir && $CC -c $soname-ltdll.c)~ 1126 $DLLTOOL --export-all --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def $objdir/$soname-ltdll.$objext $libobjs~ 1127 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]* ; *//" < $objdir/$soname-def > $export_symbols' 1128 1129 archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~ 1130 _lt_hint=1; 1131 for symbol in `cat $export_symbols`; do 1132 echo " \$symbol @ \$_lt_hint ; " >> $objdir/$soname-def; 1133 _lt_hint=`expr 1 + \$_lt_hint`; 1134 done~ 1135 $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~ 1136 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~ 1137 $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~ 1138 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~ 1139 $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,__cygwin_dll_entry@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts' 1140 1141 old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a' 1142 ;; 1143 1144 netbsd*) 1145 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 1146 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' 1147 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 1148 else 1149 archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib' 1150 # can we support soname and/or expsyms with a.out? -oliva 1151 fi 1152 ;; 1153 1154 sunos4*) 1155 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts' 1156 wlarc= 1157 hardcode_direct=yes 1158 hardcode_shlibpath_var=no 1159 ;; 1160 1161 *) 1162 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 1163 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' 1164 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 1165 else 1166 ld_shlibs=no 1167 fi 1168 ;; 1169 esac 1170 1171 if test "$ld_shlibs" = yes; then 1172 runpath_var=LD_RUN_PATH 1173 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' 1174 export_dynamic_flag_spec='${wl}--export-dynamic' 1175 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' 1176 fi 1177else 1178 # PORTME fill in a description of your system's linker (not GNU ld) 1179 case "$host_os" in 1180 aix3*) 1181 allow_undefined_flag=unsupported 1182 always_export_symbols=yes 1183 archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname' 1184 # Note: this linker hardcodes the directories in LIBPATH if there 1185 # are no directories specified by -L. 1186 hardcode_minus_L=yes 1187 if test "$with_gcc" = yes && test -z "$link_static_flag"; then 1188 # Neither direct hardcoding nor static linking is supported with a 1189 # broken collect2. 1190 hardcode_direct=unsupported 1191 fi 1192 ;; 1193 1194 aix4*) 1195 hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib' 1196 hardcode_libdir_separator=':' 1197 if test "$with_gcc" = yes; then 1198 collect2name=`${CC} -print-prog-name=collect2` 1199 if test -f "$collect2name" && \ 1200 strings "$collect2name" | grep resolve_lib_name >/dev/null 1201 then 1202 # We have reworked collect2 1203 hardcode_direct=yes 1204 else 1205 # We have old collect2 1206 hardcode_direct=unsupported 1207 # It fails to find uninstalled libraries when the uninstalled 1208 # path is not listed in the libpath. Setting hardcode_minus_L 1209 # to unsupported forces relinking 1210 hardcode_minus_L=yes 1211 hardcode_libdir_flag_spec='-L$libdir' 1212 hardcode_libdir_separator= 1213 fi 1214 shared_flag='-shared' 1215 else 1216 shared_flag='${wl}-bM:SRE' 1217 hardcode_direct=yes 1218 fi 1219 allow_undefined_flag=' ${wl}-berok' 1220 archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}' 1221 archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}' 1222 case "$host_os" in aix4.[01]|aix4.[01].*) 1223 # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on 1224 always_export_symbols=yes ;; 1225 esac 1226 ;; 1227 1228 amigaos*) 1229 archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)' 1230 hardcode_libdir_flag_spec='-L$libdir' 1231 hardcode_minus_L=yes 1232 # see comment about different semantics on the GNU ld section 1233 ld_shlibs=no 1234 ;; 1235 1236 cygwin* | mingw*) 1237 # When not using gcc, we currently assume that we are using 1238 # Microsoft Visual C++. 1239 # hardcode_libdir_flag_spec is actually meaningless, as there is 1240 # no search path for DLLs. 1241 hardcode_libdir_flag_spec=' ' 1242 allow_undefined_flag=unsupported 1243 # Tell ltmain to make .lib files, not .a files. 1244 libext=lib 1245 # FIXME: Setting linknames here is a bad hack. 1246 archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' 1247 # The linker will automatically build a .lib file if we build a DLL. 1248 old_archive_from_new_cmds='true' 1249 # FIXME: Should let the user specify the lib program. 1250 old_archive_cmds='lib /OUT:$oldlib$oldobjs' 1251 fix_srcfile_path='`cygpath -w $srcfile`' 1252 ;; 1253 1254 freebsd1*) 1255 ld_shlibs=no 1256 ;; 1257 1258 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor 1259 # support. Future versions do this automatically, but an explicit c++rt0.o 1260 # does not break anything, and helps significantly (at the cost of a little 1261 # extra space). 1262 freebsd2.2*) 1263 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o' 1264 hardcode_libdir_flag_spec='-R$libdir' 1265 hardcode_direct=yes 1266 hardcode_shlibpath_var=no 1267 ;; 1268 1269 # Unfortunately, older versions of FreeBSD 2 do not have this feature. 1270 freebsd2*) 1271 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' 1272 hardcode_direct=yes 1273 hardcode_minus_L=yes 1274 hardcode_shlibpath_var=no 1275 ;; 1276 1277 # FreeBSD 3 and greater uses gcc -shared to do shared libraries. 1278 freebsd*) 1279 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts' 1280 hardcode_libdir_flag_spec='-R$libdir' 1281 hardcode_direct=yes 1282 hardcode_shlibpath_var=no 1283 ;; 1284 1285 hpux9* | hpux10* | hpux11*) 1286 case "$host_os" in 1287 hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;; 1288 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;; 1289 esac 1290 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 1291 hardcode_libdir_separator=: 1292 hardcode_direct=yes 1293 hardcode_minus_L=yes # Not in the search PATH, but as the default 1294 # location of the library. 1295 export_dynamic_flag_spec='${wl}-E' 1296 ;; 1297 1298 irix5* | irix6*) 1299 if test "$with_gcc" = yes; then 1300 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 1301 else 1302 archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 1303 fi 1304 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 1305 hardcode_libdir_separator=: 1306 ;; 1307 1308 netbsd*) 1309 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 1310 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out 1311 else 1312 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF 1313 fi 1314 hardcode_libdir_flag_spec='${wl}-R$libdir' 1315 hardcode_direct=yes 1316 hardcode_shlibpath_var=no 1317 ;; 1318 1319 openbsd*) 1320 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' 1321 hardcode_libdir_flag_spec='-R$libdir' 1322 hardcode_direct=yes 1323 hardcode_shlibpath_var=no 1324 ;; 1325 1326 os2*) 1327 hardcode_libdir_flag_spec='-L$libdir' 1328 hardcode_minus_L=yes 1329 allow_undefined_flag=unsupported 1330 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def' 1331 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def' 1332 ;; 1333 1334 osf3* | osf4*) 1335 if test "$with_gcc" = yes; then 1336 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 1337 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 1338 else 1339 allow_undefined_flag=' -expect_unresolved \*' 1340 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 1341 fi 1342 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 1343 hardcode_libdir_separator=: 1344 ;; 1345 1346 sco3.2v5*) 1347 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 1348 hardcode_shlibpath_var=no 1349 runpath_var=LD_RUN_PATH 1350 hardcode_runpath_var=yes 1351 ;; 1352 1353 solaris*) 1354 no_undefined_flag=' -z text' 1355 # $CC -shared without GNU ld will not create a library from C++ 1356 # object files and a static libstdc++, better avoid it by now 1357 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts' 1358 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 1359 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp' 1360 hardcode_libdir_flag_spec='-R$libdir' 1361 hardcode_shlibpath_var=no 1362 case "$host_os" in 1363 solaris2.[0-5] | solaris2.[0-5].*) ;; 1364 *) # Supported since Solaris 2.6 (maybe 2.5.1?) 1365 whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' ;; 1366 esac 1367 ;; 1368 1369 sunos4*) 1370 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts' 1371 hardcode_libdir_flag_spec='-L$libdir' 1372 hardcode_direct=yes 1373 hardcode_minus_L=yes 1374 hardcode_shlibpath_var=no 1375 ;; 1376 1377 sysv4) 1378 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 1379 runpath_var='LD_RUN_PATH' 1380 hardcode_shlibpath_var=no 1381 hardcode_direct=no #Motorola manual says yes, but my tests say they lie 1382 ;; 1383 1384 sysv4.3*) 1385 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 1386 hardcode_shlibpath_var=no 1387 export_dynamic_flag_spec='-Bexport' 1388 ;; 1389 1390 uts4*) 1391 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 1392 hardcode_libdir_flag_spec='-L$libdir' 1393 hardcode_shlibpath_var=no 1394 ;; 1395 1396 dgux*) 1397 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 1398 hardcode_libdir_flag_spec='-L$libdir' 1399 hardcode_shlibpath_var=no 1400 ;; 1401 1402 *) 1403 ld_shlibs=no 1404 ;; 1405 esac 1406fi 1407echo "$ac_t$ld_shlibs" 1>&6 1408test "$ld_shlibs" = no && can_build_shared=no 1409 1410if test -z "$NM"; then 1411 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6 1412 case "$NM" in 1413 [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path. 1414 *) 1415 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" 1416 for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do 1417 test -z "$ac_dir" && ac_dir=. 1418 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then 1419 # Check to see if the nm accepts a BSD-compat flag. 1420 # Adding the `sed 1q' prevents false positives on HP-UX, which says: 1421 # nm: unknown option "B" ignored 1422 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then 1423 NM="$ac_dir/nm -B" 1424 break 1425 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then 1426 NM="$ac_dir/nm -p" 1427 break 1428 else 1429 NM=${NM="$ac_dir/nm"} # keep the first match, but 1430 continue # so that we can try to find one that supports BSD flags 1431 fi 1432 fi 1433 done 1434 IFS="$ac_save_ifs" 1435 test -z "$NM" && NM=nm 1436 ;; 1437 esac 1438 echo "$ac_t$NM" 1>&6 1439fi 1440 1441# Check for command to grab the raw symbol name followed by C symbol from nm. 1442echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6 1443 1444# These are sane defaults that work on at least a few old systems. 1445# [They come from Ultrix. What could be older than Ultrix?!! ;)] 1446 1447# Character class describing NM global symbol codes. 1448symcode='[BCDEGRST]' 1449 1450# Regexp to match symbols that can be accessed directly from C. 1451sympat='\([_A-Za-z][_A-Za-z0-9]*\)' 1452 1453# Transform the above into a raw symbol and a C symbol. 1454symxfrm='\1 \2\3 \3' 1455 1456# Transform an extracted symbol line into a proper C declaration 1457global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" 1458 1459# Define system-specific variables. 1460case "$host_os" in 1461aix*) 1462 symcode='[BCDT]' 1463 ;; 1464cygwin* | mingw*) 1465 symcode='[ABCDGISTW]' 1466 ;; 1467hpux*) # Its linker distinguishes data from code symbols 1468 global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" 1469 ;; 1470irix*) 1471 symcode='[BCDEGRST]' 1472 ;; 1473solaris*) 1474 symcode='[BDT]' 1475 ;; 1476sysv4) 1477 symcode='[DFNSTU]' 1478 ;; 1479esac 1480 1481# If we're using GNU nm, then use its standard symbol codes. 1482if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then 1483 symcode='[ABCDGISTW]' 1484fi 1485 1486# Try without a prefix undercore, then with it. 1487for ac_symprfx in "" "_"; do 1488 1489 # Write the raw and C identifiers. 1490 global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'" 1491 1492 # Check to see that the pipe works correctly. 1493 pipe_works=no 1494 $rm conftest* 1495 cat > conftest.c <<EOF 1496#ifdef __cplusplus 1497extern "C" { 1498#endif 1499char nm_test_var; 1500void nm_test_func(){} 1501#ifdef __cplusplus 1502} 1503#endif 1504main(){nm_test_var='a';nm_test_func();return(0);} 1505EOF 1506 1507 echo "$progname:1507: checking if global_symbol_pipe works" >&5 1508 if { (eval echo $progname:1508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then 1509 # Now try to grab the symbols. 1510 nlist=conftest.nm 1511 if { echo "$progname:1511: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then 1512 1513 # Try sorting and uniquifying the output. 1514 if sort "$nlist" | uniq > "$nlist"T; then 1515 mv -f "$nlist"T "$nlist" 1516 else 1517 rm -f "$nlist"T 1518 fi 1519 1520 # Make sure that we snagged all the symbols we need. 1521 if egrep ' nm_test_var$' "$nlist" >/dev/null; then 1522 if egrep ' nm_test_func$' "$nlist" >/dev/null; then 1523 cat <<EOF > conftest.c 1524#ifdef __cplusplus 1525extern "C" { 1526#endif 1527 1528EOF 1529 # Now generate the symbol file. 1530 eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c' 1531 1532 cat <<EOF >> conftest.c 1533#if defined (__STDC__) && __STDC__ 1534# define lt_ptr_t void * 1535#else 1536# define lt_ptr_t char * 1537# define const 1538#endif 1539 1540/* The mapping between symbol names and symbols. */ 1541const struct { 1542 const char *name; 1543 lt_ptr_t address; 1544} 1545lt_preloaded_symbols[] = 1546{ 1547EOF 1548 sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c 1549 cat <<\EOF >> conftest.c 1550 {0, (lt_ptr_t) 0} 1551}; 1552 1553#ifdef __cplusplus 1554} 1555#endif 1556EOF 1557 # Now try linking the two files. 1558 mv conftest.$objext conftstm.$objext 1559 save_LIBS="$LIBS" 1560 save_CFLAGS="$CFLAGS" 1561 LIBS="conftstm.$objext" 1562 CFLAGS="$CFLAGS$no_builtin_flag" 1563 if { (eval echo $progname:1563: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then 1564 pipe_works=yes 1565 else 1566 echo "$progname: failed program was:" >&5 1567 cat conftest.c >&5 1568 fi 1569 LIBS="$save_LIBS" 1570 else 1571 echo "cannot find nm_test_func in $nlist" >&5 1572 fi 1573 else 1574 echo "cannot find nm_test_var in $nlist" >&5 1575 fi 1576 else 1577 echo "cannot run $global_symbol_pipe" >&5 1578 fi 1579 else 1580 echo "$progname: failed program was:" >&5 1581 cat conftest.c >&5 1582 fi 1583 $rm conftest* conftst* 1584 1585 # Do not use the global_symbol_pipe unless it works. 1586 if test "$pipe_works" = yes; then 1587 break 1588 else 1589 global_symbol_pipe= 1590 fi 1591done 1592if test "$pipe_works" = yes; then 1593 echo "${ac_t}ok" 1>&6 1594else 1595 echo "${ac_t}failed" 1>&6 1596fi 1597 1598if test -z "$global_symbol_pipe"; then 1599 global_symbol_to_cdecl= 1600fi 1601 1602# Check hardcoding attributes. 1603echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6 1604hardcode_action= 1605if test -n "$hardcode_libdir_flag_spec" || \ 1606 test -n "$runpath_var"; then 1607 1608 # We can hardcode non-existant directories. 1609 if test "$hardcode_direct" != no && 1610 # If the only mechanism to avoid hardcoding is shlibpath_var, we 1611 # have to relink, otherwise we might link with an installed library 1612 # when we should be linking with a yet-to-be-installed one 1613 ## test "$hardcode_shlibpath_var" != no && 1614 test "$hardcode_minus_L" != no; then 1615 # Linking always hardcodes the temporary library directory. 1616 hardcode_action=relink 1617 else 1618 # We can link without hardcoding, and we can hardcode nonexisting dirs. 1619 hardcode_action=immediate 1620 fi 1621else 1622 # We cannot hardcode anything, or else we can only hardcode existing 1623 # directories. 1624 hardcode_action=unsupported 1625fi 1626echo "$ac_t$hardcode_action" 1>&6 1627 1628 1629reload_flag= 1630reload_cmds='$LD$reload_flag -o $output$reload_objs' 1631echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6 1632# PORTME Some linkers may need a different reload flag. 1633reload_flag='-r' 1634echo "$ac_t$reload_flag" 1>&6 1635test -n "$reload_flag" && reload_flag=" $reload_flag" 1636 1637# PORTME Fill in your ld.so characteristics 1638library_names_spec= 1639libname_spec='lib$name' 1640soname_spec= 1641postinstall_cmds= 1642postuninstall_cmds= 1643finish_cmds= 1644finish_eval= 1645shlibpath_var= 1646shlibpath_overrides_runpath=unknown 1647version_type=none 1648dynamic_linker="$host_os ld.so" 1649sys_lib_dlsearch_path_spec="/lib /usr/lib" 1650sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" 1651file_magic_cmd= 1652file_magic_test_file= 1653deplibs_check_method='unknown' 1654# Need to set the preceding variable on all platforms that support 1655# interlibrary dependencies. 1656# 'none' -- dependencies not supported. 1657# `unknown' -- same as none, but documents that we really don't know. 1658# 'pass_all' -- all dependencies passed with no checks. 1659# 'test_compile' -- check by making test program. 1660# 'file_magic [regex]' -- check by looking for files in library path 1661# which responds to the $file_magic_cmd with a given egrep regex. 1662# If you have `file' or equivalent on your system and you're not sure 1663# whether `pass_all' will *always* work, you probably want this one. 1664echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6 1665case "$host_os" in 1666aix3*) 1667 version_type=linux 1668 library_names_spec='${libname}${release}.so$versuffix $libname.a' 1669 shlibpath_var=LIBPATH 1670 1671 # AIX has no versioning support, so we append a major version to the name. 1672 soname_spec='${libname}${release}.so$major' 1673 ;; 1674 1675aix4*) 1676 version_type=linux 1677 # AIX has no versioning support, so currently we can not hardcode correct 1678 # soname into executable. Probably we can add versioning support to 1679 # collect2, so additional links can be useful in future. 1680 # We preserve .a as extension for shared libraries though AIX4.2 1681 # and later linker supports .so 1682 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a' 1683 shlibpath_var=LIBPATH 1684 deplibs_check_method=pass_all 1685 ;; 1686 1687amigaos*) 1688 library_names_spec='$libname.ixlibrary $libname.a' 1689 # Create ${libname}_ixlibrary.a entries in /sys/libs. 1690 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 ${libname}_ixlibrary.a) || exit 1; done' 1691 ;; 1692 1693beos*) 1694 library_names_spec='${libname}.so' 1695 dynamic_linker="$host_os ld.so" 1696 shlibpath_var=LIBRARY_PATH 1697 lt_cv_dlopen="load_add_on" 1698 lt_cv_dlopen_libs= 1699 lt_cv_dlopen_self=yes 1700 ;; 1701 1702bsdi4*) 1703 version_type=linux 1704 library_names_spec='${libname}.so$major ${libname}.so' 1705 soname_spec='${libname}.so' 1706 finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' 1707 shlibpath_var=LD_LIBRARY_PATH 1708 deplibs_check_method='file_magic ELF 32-bit LSB shared object' 1709 file_magic_cmd=/usr/bin/file 1710 file_magic_test_file=/shlib/libc.so 1711 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" 1712 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" 1713 # the default ld.so.conf also contains /usr/contrib/lib and 1714 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow 1715 # libtool to hard-code these into programs 1716 ;; 1717 1718cygwin* | mingw*) 1719 version_type=windows 1720 if test "$with_gcc" = yes; then 1721 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.a' 1722 else 1723 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib' 1724 fi 1725 dynamic_linker='Win32 ld.exe' 1726 deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?' 1727 file_magic_cmd='${OBJDUMP} -f' 1728 need_lib_prefix=no 1729 # FIXME: first we should search . and the directory the executable is in 1730 shlibpath_var=PATH 1731 lt_cv_dlopen="LoadLibrary" 1732 lt_cv_dlopen_libs= 1733 ;; 1734 1735freebsd1*) 1736 dynamic_linker=no 1737 ;; 1738 1739freebsd*) 1740 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout` 1741 version_type=freebsd-$objformat 1742 case "$version_type" in 1743 freebsd-elf*) 1744 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object' 1745 file_magic_cmd=/usr/bin/file 1746 file_magic_test_file=`echo /usr/lib/libc.so*` 1747 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' 1748 need_version=no 1749 need_lib_prefix=no 1750 ;; 1751 freebsd-*) 1752 deplibs_check_method=unknown 1753 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix' 1754 need_version=yes 1755 ;; 1756 esac 1757 finish_cmds='PATH="\$PATH:/sbin" OBJFORMAT="'"$objformat"'" ldconfig -m $libdir' 1758 shlibpath_var=LD_LIBRARY_PATH 1759 ;; 1760 1761gnu*) 1762 version_type=linux 1763 library_names_spec='${libname}${release}.so$versuffix ${libname}.so' 1764 shlibpath_var=LD_LIBRARY_PATH 1765 ;; 1766 1767hpux9* | hpux10* | hpux11*) 1768 # Give a soname corresponding to the major version so that dld.sl refuses to 1769 # link against other versions. 1770 dynamic_linker="$host_os dld.sl" 1771 version_type=sunos 1772 need_lib_prefix=no 1773 need_version=no 1774 shlibpath_var=SHLIB_PATH 1775 shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH 1776 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl' 1777 soname_spec='${libname}${release}.sl$major' 1778 # HP-UX runs *really* slowly unless shared libraries are mode 555. 1779 postinstall_cmds='chmod 555 $lib' 1780 ;; 1781 1782irix5* | irix6*) 1783 version_type=irix 1784 need_lib_prefix=no 1785 need_version=no 1786 soname_spec='${libname}${release}.so.$major' 1787 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so' 1788 case "$host_os" in 1789 irix5*) 1790 libsuff= shlibsuff= 1791 # this will be overridden with pass_all, but let us keep it just in case 1792 deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" 1793 ;; 1794 *) 1795 case "$LD" in # libtool.m4 will add one of these switches to LD 1796 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;; 1797 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; 1798 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;; 1799 *) libsuff= shlibsuff= libmagic=never-match;; 1800 esac 1801 # this will be overridden with pass_all, but let us keep it just in case 1802 deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1" 1803 ;; 1804 esac 1805 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH 1806 shlibpath_overrides_runpath=no 1807 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" 1808 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" 1809 file_magic_cmd=/usr/bin/file 1810 file_magic_test_file=`echo /lib${libsuff}/libc.so*` 1811 deplibs_check_method='pass_all' 1812 ;; 1813 1814# No shared lib support for Linux oldld, aout, or coff. 1815linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*) 1816 dynamic_linker=no 1817 ;; 1818 1819# This must be Linux ELF. 1820linux-gnu*) 1821 version_type=linux 1822 need_lib_prefix=no 1823 need_version=no 1824 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 1825 soname_spec='${libname}${release}.so$major' 1826 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' 1827 shlibpath_var=LD_LIBRARY_PATH 1828 shlibpath_overrides_runpath=no 1829 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' 1830 file_magic_cmd=/usr/bin/file 1831 file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so` 1832 1833 if test -f /lib/ld.so.1; then 1834 dynamic_linker='GNU ld.so' 1835 else 1836 # Only the GNU ld.so supports shared libraries on MkLinux. 1837 case "$host_cpu" in 1838 powerpc*) dynamic_linker=no ;; 1839 *) dynamic_linker='Linux ld.so' ;; 1840 esac 1841 fi 1842 ;; 1843 1844netbsd*) 1845 version_type=sunos 1846 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 1847 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' 1848 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' 1849 dynamic_linker='NetBSD (a.out) ld.so' 1850 else 1851 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so' 1852 soname_spec='${libname}${release}.so$major' 1853 dynamic_linker='NetBSD ld.elf_so' 1854 fi 1855 shlibpath_var=LD_LIBRARY_PATH 1856 ;; 1857 1858openbsd*) 1859 version_type=sunos 1860 if test "$with_gnu_ld" = yes; then 1861 need_lib_prefix=no 1862 need_version=no 1863 fi 1864 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' 1865 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' 1866 shlibpath_var=LD_LIBRARY_PATH 1867 ;; 1868 1869os2*) 1870 libname_spec='$name' 1871 need_lib_prefix=no 1872 library_names_spec='$libname.dll $libname.a' 1873 dynamic_linker='OS/2 ld.exe' 1874 shlibpath_var=LIBPATH 1875 ;; 1876 1877osf3* | osf4*) 1878 version_type=osf 1879 need_version=no 1880 soname_spec='${libname}${release}.so' 1881 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' 1882 shlibpath_var=LD_LIBRARY_PATH 1883 # this will be overridden with pass_all, but let us keep it just in case 1884 deplibs_check_method='file_magic COFF format alpha shared library' 1885 file_magic_cmd=/usr/bin/file 1886 file_magic_test_file=/shlib/libc.so 1887 deplibs_check_method='pass_all' 1888 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" 1889 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" 1890 ;; 1891 1892sco3.2v5*) 1893 version_type=osf 1894 soname_spec='${libname}${release}.so$major' 1895 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 1896 shlibpath_var=LD_LIBRARY_PATH 1897 ;; 1898 1899solaris*) 1900 version_type=linux 1901 need_lib_prefix=no 1902 need_version=no 1903 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 1904 soname_spec='${libname}${release}.so$major' 1905 shlibpath_var=LD_LIBRARY_PATH 1906 shlibpath_overrides_runpath=yes 1907 # ldd complains unless libraries are executable 1908 postinstall_cmds='chmod +x $lib' 1909 deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib" 1910 file_magic_cmd=/usr/bin/file 1911 file_magic_test_file=/lib/libc.so 1912 ;; 1913 1914sunos4*) 1915 version_type=sunos 1916 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' 1917 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' 1918 shlibpath_var=LD_LIBRARY_PATH 1919 shlibpath_overrides_runpath=yes 1920 if test "$with_gnu_ld" = yes; then 1921 need_lib_prefix=no 1922 fi 1923 need_version=yes 1924 ;; 1925 1926sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 1927 version_type=linux 1928 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 1929 soname_spec='${libname}${release}.so$major' 1930 shlibpath_var=LD_LIBRARY_PATH 1931 case "$host_vendor" in 1932 ncr) 1933 deplibs_check_method='pass_all' 1934 ;; 1935 motorola) 1936 need_lib_prefix=no 1937 need_version=no 1938 shlibpath_overrides_runpath=no 1939 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' 1940 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' 1941 file_magic_cmd=/usr/bin/file 1942 file_magic_test_file=`echo /usr/lib/libc.so*` 1943 ;; 1944 esac 1945 ;; 1946 1947uts4*) 1948 version_type=linux 1949 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 1950 soname_spec='${libname}${release}.so$major' 1951 shlibpath_var=LD_LIBRARY_PATH 1952 ;; 1953 1954dgux*) 1955 version_type=linux 1956 need_lib_prefix=no 1957 need_version=no 1958 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' 1959 soname_spec='${libname}${release}.so$major' 1960 shlibpath_var=LD_LIBRARY_PATH 1961 ;; 1962 1963*) 1964 dynamic_linker=no 1965 ;; 1966esac 1967echo "$ac_t$dynamic_linker" 1>&6 1968test "$dynamic_linker" = no && can_build_shared=no 1969 1970# Report the final consequences. 1971echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6 1972 1973# Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in 1974# configure.in, otherwise build static only libraries. 1975case "$host_os" in 1976cygwin* | mingw* | os2*) 1977 if test x$can_build_shared = xyes; then 1978 test x$enable_win32_dll = xno && can_build_shared=no 1979 echo "checking if package supports dlls... $can_build_shared" 1>&6 1980 fi 1981;; 1982esac 1983 1984if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then 1985 case "$deplibs_check_method" in 1986 "file_magic "*) 1987 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`" 1988 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | 1989 egrep "$file_magic_regex" > /dev/null; then 1990 : 1991 else 1992 cat <<EOF 1>&2 1993 1994*** Warning: the command libtool uses to detect shared libraries, 1995*** $file_magic_cmd, produces output that libtool cannot recognize. 1996*** The result is that libtool may fail to recognize shared libraries 1997*** as such. This will affect the creation of libtool libraries that 1998*** depend on shared libraries, but programs linked with such libtool 1999*** libraries will work regardless of this problem. Nevertheless, you 2000*** may want to report the problem to your system manager and/or to 2001*** bug-libtool@gnu.org 2002 2003EOF 2004 fi ;; 2005 esac 2006fi 2007 2008echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6 2009test "$can_build_shared" = "no" && enable_shared=no 2010 2011# On AIX, shared libraries and static libraries use the same namespace, and 2012# are all built from PIC. 2013case "$host_os" in 2014aix3*) 2015 test "$enable_shared" = yes && enable_static=no 2016 if test -n "$RANLIB"; then 2017 archive_cmds="$archive_cmds~\$RANLIB \$lib" 2018 postinstall_cmds='$RANLIB $lib' 2019 fi 2020 ;; 2021 2022aix4*) 2023 test "$enable_shared" = yes && enable_static=no 2024 ;; 2025esac 2026 2027echo "$ac_t$enable_shared" 1>&6 2028 2029# Make sure either enable_shared or enable_static is yes. 2030test "$enable_shared" = yes || enable_static=yes 2031 2032echo "checking whether to build static libraries... $enable_static" 1>&6 2033 2034if test "$hardcode_action" = relink; then 2035 # Fast installation is not supported 2036 enable_fast_install=no 2037elif test "$shlibpath_overrides_runpath" = yes || 2038 test "$enable_shared" = no; then 2039 # Fast installation is not necessary 2040 enable_fast_install=needless 2041fi 2042 2043echo $ac_n "checking for objdir... $ac_c" 1>&6 2044rm -f .libs 2>/dev/null 2045mkdir .libs 2>/dev/null 2046if test -d .libs; then 2047 objdir=.libs 2048else 2049 # MS-DOS does not allow filenames that begin with a dot. 2050 objdir=_libs 2051fi 2052rmdir .libs 2>/dev/null 2053echo "$ac_t$objdir" 1>&6 2054 2055if test "x$enable_dlopen" != xyes; then 2056 enable_dlopen=unknown 2057 enable_dlopen_self=unknown 2058 enable_dlopen_self_static=unknown 2059else 2060if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then 2061 lt_cv_dlopen=no lt_cv_dlopen_libs= 2062echo $ac_n "checking for dlopen""... $ac_c" 1>&6 2063echo "$progname:2063: checking for dlopen" >&5 2064if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then 2065 echo $ac_n "(cached) $ac_c" 1>&6 2066else 2067 cat > conftest.$ac_ext <<EOF 2068#line 2068 "ltconfig" 2069/* System header to define __stub macros and hopefully few prototypes, 2070 which can conflict with char dlopen(); below. */ 2071#include <assert.h> 2072/* Override any gcc2 internal prototype to avoid an error. */ 2073/* We use char because int might match the return type of a gcc2 2074 builtin and then its argument prototype would still apply. */ 2075char dlopen(); 2076 2077int main() { 2078 2079/* The GNU C library defines this for functions which it implements 2080 to always fail with ENOSYS. Some functions are actually named 2081 something starting with __ and the normal name is an alias. */ 2082#if defined (__stub_dlopen) || defined (__stub___dlopen) 2083choke me 2084#else 2085dlopen(); 2086#endif 2087 2088; return 0; } 2089EOF 2090if { (eval echo $progname:2090: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then 2091 rm -rf conftest* 2092 eval "ac_cv_func_dlopen=yes" 2093else 2094 echo "$progname: failed program was:" >&5 2095 cat conftest.$ac_ext >&5 2096 rm -rf conftest* 2097 eval "ac_cv_func_dlopen=no" 2098fi 2099rm -f conftest* 2100fi 2101 2102if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then 2103 echo "$ac_t""yes" 1>&6 2104 lt_cv_dlopen="dlopen" 2105else 2106 echo "$ac_t""no" 1>&6 2107echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6 2108echo "$progname:2108: checking for dlopen in -ldl" >&5 2109ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'` 2110if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then 2111 echo $ac_n "(cached) $ac_c" 1>&6 2112else 2113 ac_save_LIBS="$LIBS" 2114LIBS="-ldl $LIBS" 2115cat > conftest.$ac_ext <<EOF 2116#line 2116 "ltconfig" 2117/* Override any gcc2 internal prototype to avoid an error. */ 2118/* We use char because int might match the return type of a gcc2 2119 builtin and then its argument prototype would still apply. */ 2120char dlopen(); 2121 2122int main() { 2123dlopen() 2124; return 0; } 2125EOF 2126if { (eval echo $progname:2126: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then 2127 rm -rf conftest* 2128 eval "ac_cv_lib_$ac_lib_var=yes" 2129else 2130 echo "$progname: failed program was:" >&5 2131 cat conftest.$ac_ext >&5 2132 rm -rf conftest* 2133 eval "ac_cv_lib_$ac_lib_var=no" 2134fi 2135rm -f conftest* 2136LIBS="$ac_save_LIBS" 2137 2138fi 2139if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then 2140 echo "$ac_t""yes" 1>&6 2141 lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" 2142else 2143 echo "$ac_t""no" 1>&6 2144echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6 2145echo "$progname:2145: checking for dld_link in -ldld" >&5 2146ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'` 2147if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then 2148 echo $ac_n "(cached) $ac_c" 1>&6 2149else 2150 ac_save_LIBS="$LIBS" 2151LIBS="-ldld $LIBS" 2152cat > conftest.$ac_ext <<EOF 2153#line 2153 "ltconfig" 2154/* Override any gcc2 internal prototype to avoid an error. */ 2155/* We use char because int might match the return type of a gcc2 2156 builtin and then its argument prototype would still apply. */ 2157char dld_link(); 2158 2159int main() { 2160dld_link() 2161; return 0; } 2162EOF 2163if { (eval echo $progname:2163: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then 2164 rm -rf conftest* 2165 eval "ac_cv_lib_$ac_lib_var=yes" 2166else 2167 echo "$progname: failed program was:" >&5 2168 cat conftest.$ac_ext >&5 2169 rm -rf conftest* 2170 eval "ac_cv_lib_$ac_lib_var=no" 2171fi 2172rm -f conftest* 2173LIBS="$ac_save_LIBS" 2174 2175fi 2176if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then 2177 echo "$ac_t""yes" 1>&6 2178 lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" 2179else 2180 echo "$ac_t""no" 1>&6 2181echo $ac_n "checking for shl_load""... $ac_c" 1>&6 2182echo "$progname:2182: checking for shl_load" >&5 2183if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then 2184 echo $ac_n "(cached) $ac_c" 1>&6 2185else 2186 cat > conftest.$ac_ext <<EOF 2187#line 2187 "ltconfig" 2188/* System header to define __stub macros and hopefully few prototypes, 2189 which can conflict with char shl_load(); below. */ 2190#include <assert.h> 2191/* Override any gcc2 internal prototype to avoid an error. */ 2192/* We use char because int might match the return type of a gcc2 2193 builtin and then its argument prototype would still apply. */ 2194char shl_load(); 2195 2196int main() { 2197 2198/* The GNU C library defines this for functions which it implements 2199 to always fail with ENOSYS. Some functions are actually named 2200 something starting with __ and the normal name is an alias. */ 2201#if defined (__stub_shl_load) || defined (__stub___shl_load) 2202choke me 2203#else 2204shl_load(); 2205#endif 2206 2207; return 0; } 2208EOF 2209if { (eval echo $progname:2209: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then 2210 rm -rf conftest* 2211 eval "ac_cv_func_shl_load=yes" 2212else 2213 echo "$progname: failed program was:" >&5 2214 cat conftest.$ac_ext >&5 2215 rm -rf conftest* 2216 eval "ac_cv_func_shl_load=no" 2217fi 2218rm -f conftest* 2219fi 2220 2221if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then 2222 echo "$ac_t""yes" 1>&6 2223 lt_cv_dlopen="shl_load" 2224else 2225 echo "$ac_t""no" 1>&6 2226echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6 2227echo "$progname:2227: checking for shl_load in -ldld" >&5 2228ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'` 2229if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then 2230 echo $ac_n "(cached) $ac_c" 1>&6 2231else 2232 ac_save_LIBS="$LIBS" 2233LIBS="-ldld $LIBS" 2234cat > conftest.$ac_ext <<EOF 2235#line 2235 "ltconfig" 2236#include "confdefs.h" 2237/* Override any gcc2 internal prototype to avoid an error. */ 2238/* We use char because int might match the return type of a gcc2 2239 builtin and then its argument prototype would still apply. */ 2240char shl_load(); 2241 2242int main() { 2243shl_load() 2244; return 0; } 2245EOF 2246if { (eval echo $progname:2246: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then 2247 rm -rf conftest* 2248 eval "ac_cv_lib_$ac_lib_var=yes" 2249else 2250 echo "$progname: failed program was:" >&5 2251 cat conftest.$ac_ext >&5 2252 rm -rf conftest* 2253 eval "ac_cv_lib_$ac_lib_var=no" 2254fi 2255rm -f conftest* 2256LIBS="$ac_save_LIBS" 2257 2258fi 2259if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then 2260 echo "$ac_t""yes" 1>&6 2261 lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" 2262else 2263 echo "$ac_t""no" 1>&6 2264fi 2265 2266 2267fi 2268 2269 2270fi 2271 2272 2273fi 2274 2275 2276fi 2277 2278fi 2279 2280 if test "x$lt_cv_dlopen" != xno; then 2281 enable_dlopen=yes 2282 fi 2283 2284 case "$lt_cv_dlopen" in 2285 dlopen) 2286for ac_hdr in dlfcn.h; do 2287ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` 2288echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 2289echo "$progname:2289: checking for $ac_hdr" >&5 2290if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then 2291 echo $ac_n "(cached) $ac_c" 1>&6 2292else 2293 cat > conftest.$ac_ext <<EOF 2294#line 2294 "ltconfig" 2295#include <$ac_hdr> 2296int fnord = 0; 2297EOF 2298ac_try="$ac_compile conftest.$ac_ext >/dev/null 2>conftest.out" 2299{ (eval echo $progname:2299: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } 2300ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` 2301if test -z "$ac_err"; then 2302 rm -rf conftest* 2303 eval "ac_cv_header_$ac_safe=yes" 2304else 2305 echo "$ac_err" >&5 2306 echo "$progname: failed program was:" >&5 2307 cat conftest.$ac_ext >&5 2308 rm -rf conftest* 2309 eval "ac_cv_header_$ac_safe=no" 2310fi 2311rm -f conftest* 2312fi 2313if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then 2314 echo "$ac_t""yes" 1>&6 2315else 2316 echo "$ac_t""no" 1>&6 2317fi 2318done 2319 2320 if test "x$ac_cv_header_dlfcn_h" = xyes; then 2321 CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" 2322 fi 2323 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" 2324 LIBS="$lt_cv_dlopen_libs $LIBS" 2325 2326 echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6 2327echo "$progname:2327: checking whether a program can dlopen itself" >&5 2328if test "${lt_cv_dlopen_self+set}" = set; then 2329 echo $ac_n "(cached) $ac_c" 1>&6 2330else 2331 if test "$cross_compiling" = yes; then 2332 lt_cv_dlopen_self=cross 2333 else 2334 cat > conftest.c <<EOF 2335#line 2335 "ltconfig" 2336 2337#if HAVE_DLFCN_H 2338#include <dlfcn.h> 2339#endif 2340 2341#include <stdio.h> 2342 2343#ifdef RTLD_GLOBAL 2344# define LTDL_GLOBAL RTLD_GLOBAL 2345#else 2346# ifdef DL_GLOBAL 2347# define LTDL_GLOBAL DL_GLOBAL 2348# else 2349# define LTDL_GLOBAL 0 2350# endif 2351#endif 2352 2353/* We may have to define LTDL_LAZY_OR_NOW in the command line if we 2354 find out it does not work in some platform. */ 2355#ifndef LTDL_LAZY_OR_NOW 2356# ifdef RTLD_LAZY 2357# define LTDL_LAZY_OR_NOW RTLD_LAZY 2358# else 2359# ifdef DL_LAZY 2360# define LTDL_LAZY_OR_NOW DL_LAZY 2361# else 2362# ifdef RTLD_NOW 2363# define LTDL_LAZY_OR_NOW RTLD_NOW 2364# else 2365# ifdef DL_NOW 2366# define LTDL_LAZY_OR_NOW DL_NOW 2367# else 2368# define LTDL_LAZY_OR_NOW 0 2369# endif 2370# endif 2371# endif 2372# endif 2373#endif 2374 2375fnord() { int i=42;} 2376main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); 2377 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); 2378 if(ptr1 || ptr2) exit(0); } exit(1); } 2379 2380EOF 2381if { (eval echo $progname:2381: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null 2382then 2383 lt_cv_dlopen_self=yes 2384else 2385 echo "$progname: failed program was:" >&5 2386 cat conftest.$ac_ext >&5 2387 rm -fr conftest* 2388 lt_cv_dlopen_self=no 2389fi 2390rm -fr conftest* 2391fi 2392 2393fi 2394 2395echo "$ac_t""$lt_cv_dlopen_self" 1>&6 2396 2397 if test "$lt_cv_dlopen_self" = yes; then 2398 LDFLAGS="$LDFLAGS $link_static_flag" 2399 echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6 2400echo "$progname:2400: checking whether a statically linked program can dlopen itself" >&5 2401if test "${lt_cv_dlopen_self_static+set}" = set; then 2402 echo $ac_n "(cached) $ac_c" 1>&6 2403else 2404 if test "$cross_compiling" = yes; then 2405 lt_cv_dlopen_self_static=cross 2406 else 2407 cat > conftest.c <<EOF 2408#line 2408 "ltconfig" 2409 2410#if HAVE_DLFCN_H 2411#include <dlfcn.h> 2412#endif 2413 2414#include <stdio.h> 2415 2416#ifdef RTLD_GLOBAL 2417# define LTDL_GLOBAL RTLD_GLOBAL 2418#else 2419# ifdef DL_GLOBAL 2420# define LTDL_GLOBAL DL_GLOBAL 2421# else 2422# define LTDL_GLOBAL 0 2423# endif 2424#endif 2425 2426/* We may have to define LTDL_LAZY_OR_NOW in the command line if we 2427 find out it does not work in some platform. */ 2428#ifndef LTDL_LAZY_OR_NOW 2429# ifdef RTLD_LAZY 2430# define LTDL_LAZY_OR_NOW RTLD_LAZY 2431# else 2432# ifdef DL_LAZY 2433# define LTDL_LAZY_OR_NOW DL_LAZY 2434# else 2435# ifdef RTLD_NOW 2436# define LTDL_LAZY_OR_NOW RTLD_NOW 2437# else 2438# ifdef DL_NOW 2439# define LTDL_LAZY_OR_NOW DL_NOW 2440# else 2441# define LTDL_LAZY_OR_NOW 0 2442# endif 2443# endif 2444# endif 2445# endif 2446#endif 2447 2448fnord() { int i=42;} 2449main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); 2450 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); 2451 if(ptr1 || ptr2) exit(0); } exit(1); } 2452 2453EOF 2454if { (eval echo $progname:2454: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null 2455then 2456 lt_cv_dlopen_self_static=yes 2457else 2458 echo "$progname: failed program was:" >&5 2459 cat conftest.$ac_ext >&5 2460 rm -fr conftest* 2461 lt_cv_dlopen_self_static=no 2462fi 2463rm -fr conftest* 2464fi 2465 2466fi 2467 2468echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6 2469fi 2470 ;; 2471 esac 2472 2473 case "$lt_cv_dlopen_self" in 2474 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; 2475 *) enable_dlopen_self=unknown ;; 2476 esac 2477 2478 case "$lt_cv_dlopen_self_static" in 2479 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; 2480 *) enable_dlopen_self_static=unknown ;; 2481 esac 2482fi 2483 2484# Copy echo and quote the copy, instead of the original, because it is 2485# used later. 2486ltecho="$echo" 2487if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then 2488 ltecho="$CONFIG_SHELL \$0 --fallback-echo" 2489fi 2490LTSHELL="$SHELL" 2491 2492LTCONFIG_VERSION="$VERSION" 2493 2494# Only quote variables if we're using ltmain.sh. 2495case "$ltmain" in 2496*.sh) 2497 # Now quote all the things that may contain metacharacters. 2498 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \ 2499 old_LD old_LDFLAGS old_LIBS \ 2500 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \ 2501 AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \ 2502 reload_flag reload_cmds wl \ 2503 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \ 2504 thread_safe_flag_spec whole_archive_flag_spec libname_spec \ 2505 library_names_spec soname_spec \ 2506 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \ 2507 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \ 2508 file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \ 2509 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \ 2510 hardcode_libdir_flag_spec hardcode_libdir_separator \ 2511 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \ 2512 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do 2513 2514 case "$var" in 2515 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \ 2516 old_postinstall_cmds | old_postuninstall_cmds | \ 2517 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \ 2518 postinstall_cmds | postuninstall_cmds | \ 2519 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec) 2520 # Double-quote double-evaled strings. 2521 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\"" 2522 ;; 2523 *) 2524 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\"" 2525 ;; 2526 esac 2527 done 2528 2529 case "$ltecho" in 2530 *'\$0 --fallback-echo"') 2531 ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'` 2532 ;; 2533 esac 2534 2535 trap "$rm \"$ofile\"; exit 1" 1 2 15 2536 echo "creating $ofile" 2537 $rm "$ofile" 2538 cat <<EOF > "$ofile" 2539#! $SHELL 2540 2541# `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. 2542# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP) 2543# NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh. 2544# 2545# Copyright (C) 1996-1999 Free Software Foundation, Inc. 2546# Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 2547# 2548# This program is free software; you can redistribute it and/or modify 2549# it under the terms of the GNU General Public License as published by 2550# the Free Software Foundation; either version 2 of the License, or 2551# (at your option) any later version. 2552# 2553# This program is distributed in the hope that it will be useful, but 2554# WITHOUT ANY WARRANTY; without even the implied warranty of 2555# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 2556# General Public License for more details. 2557# 2558# You should have received a copy of the GNU General Public License 2559# along with this program; if not, write to the Free Software 2560# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 2561# 2562# As a special exception to the GNU General Public License, if you 2563# distribute this file as part of a program that contains a 2564# configuration script generated by Autoconf, you may include it under 2565# the same distribution terms that you use for the rest of that program. 2566 2567# Sed that helps us avoid accidentally triggering echo(1) options like -n. 2568Xsed="sed -e s/^X//" 2569 2570# The HP-UX ksh and POSIX shell print the target directory to stdout 2571# if CDPATH is set. 2572if test "\${CDPATH+set}" = set; then CDPATH=; export CDPATH; fi 2573 2574### BEGIN LIBTOOL CONFIG 2575EOF 2576 cfgfile="$ofile" 2577 ;; 2578 2579*) 2580 # Double-quote the variables that need it (for aesthetics). 2581 for var in old_CC old_CFLAGS old_CPPFLAGS \ 2582 old_LD old_LDFLAGS old_LIBS \ 2583 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do 2584 eval "$var=\\\"\$var\\\"" 2585 done 2586 2587 # Just create a config file. 2588 cfgfile="$ofile.cfg" 2589 trap "$rm \"$cfgfile\"; exit 1" 1 2 15 2590 echo "creating $cfgfile" 2591 $rm "$cfgfile" 2592 cat <<EOF > "$cfgfile" 2593# `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file. 2594# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP) 2595EOF 2596 ;; 2597esac 2598 2599cat <<EOF >> "$cfgfile" 2600# Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`: 2601# 2602# CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\ 2603# LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\ 2604# NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\ 2605# DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\ 2606# $0$ltconfig_args 2607# 2608# Compiler and other test output produced by $progname, useful for 2609# debugging $progname, is in ./config.log if it exists. 2610 2611# The version of $progname that generated this script. 2612LTCONFIG_VERSION=$LTCONFIG_VERSION 2613 2614# Shell to use when invoking shell scripts. 2615SHELL=$LTSHELL 2616 2617# Whether or not to build shared libraries. 2618build_libtool_libs=$enable_shared 2619 2620# Whether or not to build static libraries. 2621build_old_libs=$enable_static 2622 2623# Whether or not to optimize for fast installation. 2624fast_install=$enable_fast_install 2625 2626# The host system. 2627host_alias=$host_alias 2628host=$host 2629 2630# An echo program that does not interpret backslashes. 2631echo=$ltecho 2632 2633# The archiver. 2634AR=$AR 2635 2636# The default C compiler. 2637CC=$CC 2638 2639# The linker used to build libraries. 2640LD=$LD 2641 2642# Whether we need hard or soft links. 2643LN_S=$LN_S 2644 2645# A BSD-compatible nm program. 2646NM=$NM 2647 2648# Used on cygwin: DLL creation program. 2649DLLTOOL="$DLLTOOL" 2650 2651# Used on cygwin: object dumper. 2652OBJDUMP="$OBJDUMP" 2653 2654# Used on cygwin: assembler. 2655AS="$AS" 2656 2657# The name of the directory that contains temporary libtool files. 2658objdir=$objdir 2659 2660# How to create reloadable object files. 2661reload_flag=$reload_flag 2662reload_cmds=$reload_cmds 2663 2664# How to pass a linker flag through the compiler. 2665wl=$wl 2666 2667# Object file suffix (normally "o"). 2668objext="$objext" 2669 2670# Old archive suffix (normally "a"). 2671libext="$libext" 2672 2673# Additional compiler flags for building library objects. 2674pic_flag=$pic_flag 2675 2676# Does compiler simultaneously support -c and -o options? 2677compiler_c_o=$compiler_c_o 2678 2679# Can we write directly to a .lo ? 2680compiler_o_lo=$compiler_o_lo 2681 2682# Must we lock files when doing compilation ? 2683need_locks=$need_locks 2684 2685# Do we need the lib prefix for modules? 2686need_lib_prefix=$need_lib_prefix 2687 2688# Do we need a version for libraries? 2689need_version=$need_version 2690 2691# Whether dlopen is supported. 2692dlopen=$enable_dlopen 2693 2694# Whether dlopen of programs is supported. 2695dlopen_self=$enable_dlopen_self 2696 2697# Whether dlopen of statically linked programs is supported. 2698dlopen_self_static=$enable_dlopen_self_static 2699 2700# Compiler flag to prevent dynamic linking. 2701link_static_flag=$link_static_flag 2702 2703# Compiler flag to turn off builtin functions. 2704no_builtin_flag=$no_builtin_flag 2705 2706# Compiler flag to allow reflexive dlopens. 2707export_dynamic_flag_spec=$export_dynamic_flag_spec 2708 2709# Compiler flag to generate shared objects directly from archives. 2710whole_archive_flag_spec=$whole_archive_flag_spec 2711 2712# Compiler flag to generate thread-safe objects. 2713thread_safe_flag_spec=$thread_safe_flag_spec 2714 2715# Library versioning type. 2716version_type=$version_type 2717 2718# Format of library name prefix. 2719libname_spec=$libname_spec 2720 2721# List of archive names. First name is the real one, the rest are links. 2722# The last name is the one that the linker finds with -lNAME. 2723library_names_spec=$library_names_spec 2724 2725# The coded name of the library, if different from the real name. 2726soname_spec=$soname_spec 2727 2728# Commands used to build and install an old-style archive. 2729RANLIB=$RANLIB 2730old_archive_cmds=$old_archive_cmds 2731old_postinstall_cmds=$old_postinstall_cmds 2732old_postuninstall_cmds=$old_postuninstall_cmds 2733 2734# Create an old-style archive from a shared archive. 2735old_archive_from_new_cmds=$old_archive_from_new_cmds 2736 2737# Commands used to build and install a shared archive. 2738archive_cmds=$archive_cmds 2739archive_expsym_cmds=$archive_expsym_cmds 2740postinstall_cmds=$postinstall_cmds 2741postuninstall_cmds=$postuninstall_cmds 2742 2743# Method to check whether dependent libraries are shared objects. 2744deplibs_check_method=$deplibs_check_method 2745 2746# Command to use when deplibs_check_method == file_magic. 2747file_magic_cmd=$file_magic_cmd 2748 2749# Flag that allows shared libraries with undefined symbols to be built. 2750allow_undefined_flag=$allow_undefined_flag 2751 2752# Flag that forces no undefined symbols. 2753no_undefined_flag=$no_undefined_flag 2754 2755# Commands used to finish a libtool library installation in a directory. 2756finish_cmds=$finish_cmds 2757 2758# Same as above, but a single script fragment to be evaled but not shown. 2759finish_eval=$finish_eval 2760 2761# Take the output of nm and produce a listing of raw symbols and C names. 2762global_symbol_pipe=$global_symbol_pipe 2763 2764# Transform the output of nm in a proper C declaration 2765global_symbol_to_cdecl=$global_symbol_to_cdecl 2766 2767# This is the shared library runtime path variable. 2768runpath_var=$runpath_var 2769 2770# This is the shared library path variable. 2771shlibpath_var=$shlibpath_var 2772 2773# Is shlibpath searched before the hard-coded library search path? 2774shlibpath_overrides_runpath=$shlibpath_overrides_runpath 2775 2776# How to hardcode a shared library path into an executable. 2777hardcode_action=$hardcode_action 2778 2779# Flag to hardcode \$libdir into a binary during linking. 2780# This must work even if \$libdir does not exist. 2781hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec 2782 2783# Whether we need a single -rpath flag with a separated argument. 2784hardcode_libdir_separator=$hardcode_libdir_separator 2785 2786# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the 2787# resulting binary. 2788hardcode_direct=$hardcode_direct 2789 2790# Set to yes if using the -LDIR flag during linking hardcodes DIR into the 2791# resulting binary. 2792hardcode_minus_L=$hardcode_minus_L 2793 2794# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into 2795# the resulting binary. 2796hardcode_shlibpath_var=$hardcode_shlibpath_var 2797 2798# Compile-time system search path for libraries 2799sys_lib_search_path_spec=$sys_lib_search_path_spec 2800 2801# Run-time system search path for libraries 2802sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec 2803 2804# Fix the shell variable \$srcfile for the compiler. 2805fix_srcfile_path="$fix_srcfile_path" 2806 2807# Set to yes if exported symbols are required. 2808always_export_symbols=$always_export_symbols 2809 2810# The commands to list exported symbols. 2811export_symbols_cmds=$export_symbols_cmds 2812 2813# Symbols that should not be listed in the preloaded symbols. 2814exclude_expsyms=$exclude_expsyms 2815 2816# Symbols that must always be exported. 2817include_expsyms=$include_expsyms 2818 2819EOF 2820 2821case "$ltmain" in 2822*.sh) 2823 echo '### END LIBTOOL CONFIG' >> "$ofile" 2824 echo >> "$ofile" 2825 case "$host_os" in 2826 aix3*) 2827 cat <<\EOF >> "$ofile" 2828 2829# AIX sometimes has problems with the GCC collect2 program. For some 2830# reason, if we set the COLLECT_NAMES environment variable, the problems 2831# vanish in a puff of smoke. 2832if test "${COLLECT_NAMES+set}" != set; then 2833 COLLECT_NAMES= 2834 export COLLECT_NAMES 2835fi 2836EOF 2837 ;; 2838 esac 2839 2840 # Append the ltmain.sh script. 2841 cat "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1) 2842 2843 chmod +x "$ofile" 2844 ;; 2845 2846*) 2847 # Compile the libtool program. 2848 echo "FIXME: would compile $ltmain" 2849 ;; 2850esac 2851 2852test -n "$cache_file" || exit 0 2853 2854# AC_CACHE_SAVE 2855trap '' 1 2 15 2856cat > confcache <<\EOF 2857# This file is a shell script that caches the results of configure 2858# tests run on this system so they can be shared between configure 2859# scripts and configure runs. It is not useful on other systems. 2860# If it contains results you don't want to keep, you may remove or edit it. 2861# 2862# By default, configure uses ./config.cache as the cache file, 2863# creating it if it does not exist already. You can give configure 2864# the --cache-file=FILE option to use a different cache file; that is 2865# what configure does when it calls configure scripts in 2866# subdirectories, so they share the cache. 2867# Giving --cache-file=/dev/null disables caching, for debugging configure. 2868# config.status only pays attention to the cache file if you give it the 2869# --recheck option to rerun configure. 2870# 2871EOF 2872# The following way of writing the cache mishandles newlines in values, 2873# but we know of no workaround that is simple, portable, and efficient. 2874# So, don't put newlines in cache variables' values. 2875# Ultrix sh set writes to stderr and can't be redirected directly, 2876# and sets the high bit in the cache file unless we assign to the vars. 2877(set) 2>&1 | 2878 case `(ac_space=' '; set | grep ac_space) 2>&1` in 2879 *ac_space=\ *) 2880 # `set' does not quote correctly, so add quotes (double-quote substitution 2881 # turns \\\\ into \\, and sed turns \\ into \). 2882 sed -n \ 2883 -e "s/'/'\\\\''/g" \ 2884 -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p" 2885 ;; 2886 *) 2887 # `set' quotes correctly as required by POSIX, so do not add quotes. 2888 sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p' 2889 ;; 2890 esac >> confcache 2891if cmp -s $cache_file confcache; then 2892 : 2893else 2894 if test -w $cache_file; then 2895 echo "updating cache $cache_file" 2896 cat confcache > $cache_file 2897 else 2898 echo "not updating unwritable cache $cache_file" 2899 fi 2900fi 2901rm -f confcache 2902 2903exit 0 2904 2905# Local Variables: 2906# mode:shell-script 2907# sh-indentation:2 2908# End: 2909