1dnl aclocal.m4 generated automatically by aclocal 1.4-p5 2 3dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc. 4dnl This file is free software; the Free Software Foundation 5dnl gives unlimited permission to copy and/or distribute it, 6dnl with or without modifications, as long as this notice is preserved. 7 8dnl This program is distributed in the hope that it will be useful, 9dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without 10dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A 11dnl PARTICULAR PURPOSE. 12 13# Configure paths for SDL 14# Sam Lantinga 9/21/99 15# stolen from Manish Singh 16# stolen back from Frank Belew 17# stolen from Manish Singh 18# Shamelessly stolen from Owen Taylor 19 20dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) 21dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS 22dnl 23AC_DEFUN(AM_PATH_SDL, 24[dnl 25dnl Get the cflags and libraries from the sdl-config script 26dnl 27AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)], 28 sdl_prefix="$withval", sdl_prefix="") 29AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)], 30 sdl_exec_prefix="$withval", sdl_exec_prefix="") 31AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program], 32 , enable_sdltest=yes) 33 34 if test x$sdl_exec_prefix != x ; then 35 sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix" 36 if test x${SDL_CONFIG+set} != xset ; then 37 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config 38 fi 39 fi 40 if test x$sdl_prefix != x ; then 41 sdl_args="$sdl_args --prefix=$sdl_prefix" 42 if test x${SDL_CONFIG+set} != xset ; then 43 SDL_CONFIG=$sdl_prefix/bin/sdl-config 44 fi 45 fi 46 47 AC_PATH_PROG(SDL_CONFIG, sdl-config, no) 48 min_sdl_version=ifelse([$1], ,0.11.0,$1) 49 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version) 50 no_sdl="" 51 if test "$SDL_CONFIG" = "no" ; then 52 no_sdl=yes 53 else 54 SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags` 55 SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs` 56 57 sdl_major_version=`$SDL_CONFIG $sdl_args --version | \ 58 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 59 sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \ 60 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 61 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \ 62 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 63 if test "x$enable_sdltest" = "xyes" ; then 64 ac_save_CFLAGS="$CFLAGS" 65 ac_save_LIBS="$LIBS" 66 CFLAGS="$CFLAGS $SDL_CFLAGS" 67 LIBS="$LIBS $SDL_LIBS" 68dnl 69dnl Now check if the installed SDL is sufficiently new. (Also sanity 70dnl checks the results of sdl-config to some extent 71dnl 72 rm -f conf.sdltest 73 AC_TRY_RUN([ 74#include <stdio.h> 75#include <stdlib.h> 76#include <string.h> 77#include <SDL/SDL.h> 78 79char* 80my_strdup (char *str) 81{ 82 char *new_str; 83 84 if (str) 85 { 86 new_str = malloc ((strlen (str) + 1) * sizeof(char)); 87 strcpy (new_str, str); 88 } 89 else 90 new_str = NULL; 91 92 return new_str; 93} 94 95int main () 96{ 97 int major, minor, micro; 98 char *tmp_version; 99 100 system ("touch conf.sdltest"); 101 102 /* HP/UX 9 (%@#!) writes to sscanf strings */ 103 tmp_version = my_strdup("$min_sdl_version"); 104 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 105 printf("%s, bad version string\n", "$min_sdl_version"); 106 exit(1); 107 } 108 109 if (($sdl_major_version > major) || 110 (($sdl_major_version == major) && ($sdl_minor_version > minor)) || 111 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro))) 112 { 113 return 0; 114 } 115 else 116 { 117 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version); 118 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro); 119 printf("*** best to upgrade to the required version.\n"); 120 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n"); 121 printf("*** to point to the correct copy of sdl-config, and remove the file\n"); 122 printf("*** config.cache before re-running configure\n"); 123 return 1; 124 } 125} 126 127],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 128 CFLAGS="$ac_save_CFLAGS" 129 LIBS="$ac_save_LIBS" 130 fi 131 fi 132 if test "x$no_sdl" = x ; then 133 AC_MSG_RESULT(yes) 134 ifelse([$2], , :, [$2]) 135 else 136 AC_MSG_RESULT(no) 137 if test "$SDL_CONFIG" = "no" ; then 138 echo "*** The sdl-config script installed by SDL could not be found" 139 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in" 140 echo "*** your path, or set the SDL_CONFIG environment variable to the" 141 echo "*** full path to sdl-config." 142 else 143 if test -f conf.sdltest ; then 144 : 145 else 146 echo "*** Could not run SDL test program, checking why..." 147 CFLAGS="$CFLAGS $SDL_CFLAGS" 148 LIBS="$LIBS $SDL_LIBS" 149 AC_TRY_LINK([ 150#include <stdio.h> 151#include <SDL/SDL.h> 152], [ return 0; ], 153 [ echo "*** The test program compiled, but did not run. This usually means" 154 echo "*** that the run-time linker is not finding SDL or finding the wrong" 155 echo "*** version of SDL. If it is not finding SDL, you'll need to set your" 156 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 157 echo "*** to the installed location Also, make sure you have run ldconfig if that" 158 echo "*** is required on your system" 159 echo "***" 160 echo "*** If you have an old version installed, it is best to remove it, although" 161 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 162 [ echo "*** The test program failed to compile or link. See the file config.log for the" 163 echo "*** exact error that occured. This usually means SDL was incorrectly installed" 164 echo "*** or that you have moved SDL since it was installed. In the latter case, you" 165 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ]) 166 CFLAGS="$ac_save_CFLAGS" 167 LIBS="$ac_save_LIBS" 168 fi 169 fi 170 SDL_CFLAGS="" 171 SDL_LIBS="" 172 ifelse([$3], , :, [$3]) 173 fi 174 AC_SUBST(SDL_CFLAGS) 175 AC_SUBST(SDL_LIBS) 176 rm -f conf.sdltest 177]) 178 179# serial 41 AC_PROG_LIBTOOL 180AC_DEFUN(AC_PROG_LIBTOOL, 181[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl 182 183# Save cache, so that ltconfig can load it 184AC_CACHE_SAVE 185 186# Actually configure libtool. ac_aux_dir is where install-sh is found. 187CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ 188LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ 189LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \ 190DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \ 191${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ 192$libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \ 193|| AC_MSG_ERROR([libtool configure failed]) 194 195# Reload cache, that may have been modified by ltconfig 196AC_CACHE_LOAD 197 198# This can be used to rebuild libtool when needed 199LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh" 200 201# Always use our own libtool. 202LIBTOOL='$(SHELL) $(top_builddir)/libtool' 203AC_SUBST(LIBTOOL)dnl 204 205# Redirect the config.log output again, so that the ltconfig log is not 206# clobbered by the next message. 207exec 5>>./config.log 208]) 209 210AC_DEFUN(AC_LIBTOOL_SETUP, 211[AC_PREREQ(2.13)dnl 212AC_REQUIRE([AC_ENABLE_SHARED])dnl 213AC_REQUIRE([AC_ENABLE_STATIC])dnl 214AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl 215AC_REQUIRE([AC_CANONICAL_HOST])dnl 216AC_REQUIRE([AC_CANONICAL_BUILD])dnl 217AC_REQUIRE([AC_PROG_CC])dnl 218AC_REQUIRE([AC_PROG_LD])dnl 219AC_REQUIRE([AC_PROG_NM])dnl 220AC_REQUIRE([AC_PROG_LN_S])dnl 221dnl 222 223AC_CHECK_TOOL(RANLIB, ranlib, :) 224 225# Check for any special flags to pass to ltconfig. 226libtool_flags="--cache-file=$cache_file" 227test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" 228test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" 229test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" 230test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" 231test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" 232ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], 233[libtool_flags="$libtool_flags --enable-dlopen"]) 234ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], 235[libtool_flags="$libtool_flags --enable-win32-dll"]) 236AC_ARG_ENABLE(libtool-lock, 237 [ --disable-libtool-lock avoid locking (might break parallel builds)]) 238test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock" 239test x"$silent" = xyes && libtool_flags="$libtool_flags --silent" 240 241AC_ARG_WITH(pic, 242 [ --with-pic try to use only PIC/non-PIC objects [default=use both]], 243 pic_mode="$withval", pic_mode=default) 244test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic" 245test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic" 246 247# Some flags need to be propagated to the compiler or linker for good 248# libtool support. 249case "$host" in 250*-*-irix6*) 251 # Find out which ABI we are using. 252 echo '[#]line __oline__ "configure"' > conftest.$ac_ext 253 if AC_TRY_EVAL(ac_compile); then 254 case "`/usr/bin/file conftest.o`" in 255 *32-bit*) 256 LD="${LD-ld} -32" 257 ;; 258 *N32*) 259 LD="${LD-ld} -n32" 260 ;; 261 *64-bit*) 262 LD="${LD-ld} -64" 263 ;; 264 esac 265 fi 266 rm -rf conftest* 267 ;; 268 269*-*-sco3.2v5*) 270 # On SCO OpenServer 5, we need -belf to get full-featured binaries. 271 SAVE_CFLAGS="$CFLAGS" 272 CFLAGS="$CFLAGS -belf" 273 AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, 274 [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])]) 275 if test x"$lt_cv_cc_needs_belf" != x"yes"; then 276 # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf 277 CFLAGS="$SAVE_CFLAGS" 278 fi 279 ;; 280 281ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], 282[*-*-cygwin* | *-*-mingw*) 283 AC_CHECK_TOOL(DLLTOOL, dlltool, false) 284 AC_CHECK_TOOL(AS, as, false) 285 AC_CHECK_TOOL(OBJDUMP, objdump, false) 286 287 # recent cygwin and mingw systems supply a stub DllMain which the user 288 # can override, but on older systems we have to supply one 289 AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain, 290 [AC_TRY_LINK([DllMain (0, 0, 0);], 291 [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);], 292 [lt_cv_need_dllmain=yes],[lt_cv_need_dllmain=no])]) 293 294 case $host in 295 *-*-cygwin*) 296 # cygwin systems need to pass --dll to the linker, and not link 297 # crt.o which will require a WinMain@16 definition. 298 lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;; 299 *-*-mingw*) 300 # old mingw systems require "-dll" to link a DLL, while more recent ones 301 # require "-mdll" 302 SAVE_CFLAGS="$CFLAGS" 303 CFLAGS="$CFLAGS -mdll" 304 AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch, 305 [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])]) 306 CFLAGS="$SAVE_CFLAGS" ;; 307 esac 308 ;; 309 ]) 310esac 311]) 312 313# AC_LIBTOOL_DLOPEN - enable checks for dlopen support 314AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) 315 316# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's 317AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) 318 319# AC_ENABLE_SHARED - implement the --enable-shared flag 320# Usage: AC_ENABLE_SHARED[(DEFAULT)] 321# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 322# `yes'. 323AC_DEFUN(AC_ENABLE_SHARED, [dnl 324define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl 325AC_ARG_ENABLE(shared, 326changequote(<<, >>)dnl 327<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], 328changequote([, ])dnl 329[p=${PACKAGE-default} 330case "$enableval" in 331yes) enable_shared=yes ;; 332no) enable_shared=no ;; 333*) 334 enable_shared=no 335 # Look at the argument we got. We use all the common list separators. 336 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 337 for pkg in $enableval; do 338 if test "X$pkg" = "X$p"; then 339 enable_shared=yes 340 fi 341 done 342 IFS="$ac_save_ifs" 343 ;; 344esac], 345enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl 346]) 347 348# AC_DISABLE_SHARED - set the default shared flag to --disable-shared 349AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 350AC_ENABLE_SHARED(no)]) 351 352# AC_ENABLE_STATIC - implement the --enable-static flag 353# Usage: AC_ENABLE_STATIC[(DEFAULT)] 354# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 355# `yes'. 356AC_DEFUN(AC_ENABLE_STATIC, [dnl 357define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl 358AC_ARG_ENABLE(static, 359changequote(<<, >>)dnl 360<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], 361changequote([, ])dnl 362[p=${PACKAGE-default} 363case "$enableval" in 364yes) enable_static=yes ;; 365no) enable_static=no ;; 366*) 367 enable_static=no 368 # Look at the argument we got. We use all the common list separators. 369 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 370 for pkg in $enableval; do 371 if test "X$pkg" = "X$p"; then 372 enable_static=yes 373 fi 374 done 375 IFS="$ac_save_ifs" 376 ;; 377esac], 378enable_static=AC_ENABLE_STATIC_DEFAULT)dnl 379]) 380 381# AC_DISABLE_STATIC - set the default static flag to --disable-static 382AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 383AC_ENABLE_STATIC(no)]) 384 385 386# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag 387# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] 388# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 389# `yes'. 390AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl 391define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl 392AC_ARG_ENABLE(fast-install, 393changequote(<<, >>)dnl 394<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], 395changequote([, ])dnl 396[p=${PACKAGE-default} 397case "$enableval" in 398yes) enable_fast_install=yes ;; 399no) enable_fast_install=no ;; 400*) 401 enable_fast_install=no 402 # Look at the argument we got. We use all the common list separators. 403 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 404 for pkg in $enableval; do 405 if test "X$pkg" = "X$p"; then 406 enable_fast_install=yes 407 fi 408 done 409 IFS="$ac_save_ifs" 410 ;; 411esac], 412enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl 413]) 414 415# AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install 416AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 417AC_ENABLE_FAST_INSTALL(no)]) 418 419# AC_PROG_LD - find the path to the GNU or non-GNU linker 420AC_DEFUN(AC_PROG_LD, 421[AC_ARG_WITH(gnu-ld, 422[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], 423test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) 424AC_REQUIRE([AC_PROG_CC])dnl 425AC_REQUIRE([AC_CANONICAL_HOST])dnl 426AC_REQUIRE([AC_CANONICAL_BUILD])dnl 427ac_prog=ld 428if test "$ac_cv_prog_gcc" = yes; then 429 # Check if gcc -print-prog-name=ld gives a path. 430 AC_MSG_CHECKING([for ld used by GCC]) 431 case $host in 432 *-*-mingw*) 433 # gcc leaves a trailing carriage return which upsets mingw 434 ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; 435 *) 436 ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; 437 esac 438 case "$ac_prog" in 439 # Accept absolute paths. 440changequote(,)dnl 441 [\\/]* | [A-Za-z]:[\\/]*) 442 re_direlt='/[^/][^/]*/\.\./' 443changequote([,])dnl 444 # Canonicalize the path of ld 445 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` 446 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do 447 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` 448 done 449 test -z "$LD" && LD="$ac_prog" 450 ;; 451 "") 452 # If it fails, then pretend we aren't using GCC. 453 ac_prog=ld 454 ;; 455 *) 456 # If it is relative, then search for the first ld in PATH. 457 with_gnu_ld=unknown 458 ;; 459 esac 460elif test "$with_gnu_ld" = yes; then 461 AC_MSG_CHECKING([for GNU ld]) 462else 463 AC_MSG_CHECKING([for non-GNU ld]) 464fi 465AC_CACHE_VAL(ac_cv_path_LD, 466[if test -z "$LD"; then 467 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" 468 for ac_dir in $PATH; do 469 test -z "$ac_dir" && ac_dir=. 470 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then 471 ac_cv_path_LD="$ac_dir/$ac_prog" 472 # Check to see if the program is GNU ld. I'd rather use --version, 473 # but apparently some GNU ld's only accept -v. 474 # Break only if it was the GNU/non-GNU ld that we prefer. 475 if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then 476 test "$with_gnu_ld" != no && break 477 else 478 test "$with_gnu_ld" != yes && break 479 fi 480 fi 481 done 482 IFS="$ac_save_ifs" 483else 484 ac_cv_path_LD="$LD" # Let the user override the test with a path. 485fi]) 486LD="$ac_cv_path_LD" 487if test -n "$LD"; then 488 AC_MSG_RESULT($LD) 489else 490 AC_MSG_RESULT(no) 491fi 492test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) 493AC_SUBST(LD) 494AC_PROG_LD_GNU 495]) 496 497AC_DEFUN(AC_PROG_LD_GNU, 498[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, 499[# I'd rather use --version here, but apparently some GNU ld's only accept -v. 500if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then 501 ac_cv_prog_gnu_ld=yes 502else 503 ac_cv_prog_gnu_ld=no 504fi]) 505]) 506 507# AC_PROG_NM - find the path to a BSD-compatible name lister 508AC_DEFUN(AC_PROG_NM, 509[AC_MSG_CHECKING([for BSD-compatible nm]) 510AC_CACHE_VAL(ac_cv_path_NM, 511[if test -n "$NM"; then 512 # Let the user override the test. 513 ac_cv_path_NM="$NM" 514else 515 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" 516 for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do 517 test -z "$ac_dir" && ac_dir=. 518 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then 519 # Check to see if the nm accepts a BSD-compat flag. 520 # Adding the `sed 1q' prevents false positives on HP-UX, which says: 521 # nm: unknown option "B" ignored 522 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then 523 ac_cv_path_NM="$ac_dir/nm -B" 524 break 525 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then 526 ac_cv_path_NM="$ac_dir/nm -p" 527 break 528 else 529 ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but 530 continue # so that we can try to find one that supports BSD flags 531 fi 532 fi 533 done 534 IFS="$ac_save_ifs" 535 test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm 536fi]) 537NM="$ac_cv_path_NM" 538AC_MSG_RESULT([$NM]) 539AC_SUBST(NM) 540]) 541 542# AC_CHECK_LIBM - check for math library 543AC_DEFUN(AC_CHECK_LIBM, 544[AC_REQUIRE([AC_CANONICAL_HOST])dnl 545LIBM= 546case "$host" in 547*-*-beos* | *-*-cygwin*) 548 # These system don't have libm 549 ;; 550*-ncr-sysv4.3*) 551 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") 552 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") 553 ;; 554*) 555 AC_CHECK_LIB(m, main, LIBM="-lm") 556 ;; 557esac 558]) 559 560# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for 561# the libltdl convenience library, adds --enable-ltdl-convenience to 562# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor 563# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed 564# to be `${top_builddir}/libltdl'. Make sure you start DIR with 565# '${top_builddir}/' (note the single quotes!) if your package is not 566# flat, and, if you're not using automake, define top_builddir as 567# appropriate in the Makefiles. 568AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 569 case "$enable_ltdl_convenience" in 570 no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; 571 "") enable_ltdl_convenience=yes 572 ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; 573 esac 574 LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la 575 INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) 576]) 577 578# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for 579# the libltdl installable library, and adds --enable-ltdl-install to 580# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor 581# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed 582# to be `${top_builddir}/libltdl'. Make sure you start DIR with 583# '${top_builddir}/' (note the single quotes!) if your package is not 584# flat, and, if you're not using automake, define top_builddir as 585# appropriate in the Makefiles. 586# In the future, this macro may have to be called after AC_PROG_LIBTOOL. 587AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 588 AC_CHECK_LIB(ltdl, main, 589 [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no], 590 [if test x"$enable_ltdl_install" = xno; then 591 AC_MSG_WARN([libltdl not installed, but installation disabled]) 592 else 593 enable_ltdl_install=yes 594 fi 595 ]) 596 if test x"$enable_ltdl_install" = x"yes"; then 597 ac_configure_args="$ac_configure_args --enable-ltdl-install" 598 LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la 599 INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl']) 600 else 601 ac_configure_args="$ac_configure_args --enable-ltdl-install=no" 602 LIBLTDL="-lltdl" 603 INCLTDL= 604 fi 605]) 606 607dnl old names 608AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl 609AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl 610AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl 611AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl 612AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl 613AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl 614AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl 615 616dnl This is just to silence aclocal about the macro not being used 617ifelse([AC_DISABLE_FAST_INSTALL])dnl 618 619 620dnl Thanks to Ingo Ruhnke <grumbel@gmx.de> 621AC_DEFUN(MY_EXPAND_DIR, [ 622 $1=$2 623 $1=`( 624 test "x$prefix" = xNONE && prefix=${ac_default_prefix} 625 test "x$exec_prefix" = xNONE && exec_prefix=${prefix} 626 eval echo \""[$]$1"\" 627 )` 628 ]) 629 630 631dnl AM_PROG_LEX 632dnl Look for flex, lex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT 633AC_DEFUN([AM_PROG_LEX], 634[missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`,$1) 635AC_CHECK_PROGS(LEX, flex lex, "$missing_dir/missing flex") 636AC_PROG_LEX 637AC_DECL_YYTEXT]) 638 639# Do all the work for Automake. This macro actually does too much -- 640# some checks are only needed if your package does certain things. 641# But this isn't really a big deal. 642 643# serial 1 644 645dnl Usage: 646dnl AM_INIT_AUTOMAKE(package,version, [no-define]) 647 648AC_DEFUN([AM_INIT_AUTOMAKE], 649[AC_REQUIRE([AC_PROG_INSTALL]) 650PACKAGE=[$1] 651AC_SUBST(PACKAGE) 652VERSION=[$2] 653AC_SUBST(VERSION) 654dnl test to see if srcdir already configured 655if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then 656 AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) 657fi 658ifelse([$3],, 659AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) 660AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) 661AC_REQUIRE([AM_SANITY_CHECK]) 662AC_REQUIRE([AC_ARG_PROGRAM]) 663dnl FIXME This is truly gross. 664missing_dir=`cd $ac_aux_dir && pwd` 665AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) 666AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) 667AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) 668AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) 669AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) 670AC_REQUIRE([AC_PROG_MAKE_SET])]) 671 672# 673# Check to make sure that the build environment is sane. 674# 675 676AC_DEFUN([AM_SANITY_CHECK], 677[AC_MSG_CHECKING([whether build environment is sane]) 678# Just in case 679sleep 1 680echo timestamp > conftestfile 681# Do `set' in a subshell so we don't clobber the current shell's 682# arguments. Must try -L first in case configure is actually a 683# symlink; some systems play weird games with the mod time of symlinks 684# (eg FreeBSD returns the mod time of the symlink's containing 685# directory). 686if ( 687 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` 688 if test "[$]*" = "X"; then 689 # -L didn't work. 690 set X `ls -t $srcdir/configure conftestfile` 691 fi 692 if test "[$]*" != "X $srcdir/configure conftestfile" \ 693 && test "[$]*" != "X conftestfile $srcdir/configure"; then 694 695 # If neither matched, then we have a broken ls. This can happen 696 # if, for instance, CONFIG_SHELL is bash and it inherits a 697 # broken ls alias from the environment. This has actually 698 # happened. Such a system could not be considered "sane". 699 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken 700alias in your environment]) 701 fi 702 703 test "[$]2" = conftestfile 704 ) 705then 706 # Ok. 707 : 708else 709 AC_MSG_ERROR([newly created file is older than distributed files! 710Check your system clock]) 711fi 712rm -f conftest* 713AC_MSG_RESULT(yes)]) 714 715dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) 716dnl The program must properly implement --version. 717AC_DEFUN([AM_MISSING_PROG], 718[AC_MSG_CHECKING(for working $2) 719# Run test in a subshell; some versions of sh will print an error if 720# an executable is not found, even if stderr is redirected. 721# Redirect stdin to placate older versions of autoconf. Sigh. 722if ($2 --version) < /dev/null > /dev/null 2>&1; then 723 $1=$2 724 AC_MSG_RESULT(found) 725else 726 $1="$3/missing $2" 727 AC_MSG_RESULT(missing) 728fi 729AC_SUBST($1)]) 730 731# Like AC_CONFIG_HEADER, but automatically create stamp file. 732 733AC_DEFUN([AM_CONFIG_HEADER], 734[AC_PREREQ([2.12]) 735AC_CONFIG_HEADER([$1]) 736dnl When config.status generates a header, we must update the stamp-h file. 737dnl This file resides in the same directory as the config header 738dnl that is generated. We must strip everything past the first ":", 739dnl and everything past the last "/". 740AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl 741ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>, 742<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>, 743<<am_indx=1 744for am_file in <<$1>>; do 745 case " <<$>>CONFIG_HEADERS " in 746 *" <<$>>am_file "*<<)>> 747 echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx 748 ;; 749 esac 750 am_indx=`expr "<<$>>am_indx" + 1` 751done<<>>dnl>>) 752changequote([,]))]) 753 754