libtool.m4 revision 130562
1## libtool.m4 - Configure libtool for the host system. -*-Shell-script-*- 2## Copyright 1996, 1997, 1998, 1999, 2000, 2001 3## Free Software Foundation, Inc. 4## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 5## 6## This program is free software; you can redistribute it and/or modify 7## it under the terms of the GNU General Public License as published by 8## the Free Software Foundation; either version 2 of the License, or 9## (at your option) any later version. 10## 11## This program is distributed in the hope that it will be useful, but 12## WITHOUT ANY WARRANTY; without even the implied warranty of 13## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14## General Public License for more details. 15## 16## You should have received a copy of the GNU General Public License 17## along with this program; if not, write to the Free Software 18## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19## 20## As a special exception to the GNU General Public License, if you 21## distribute this file as part of a program that contains a 22## configuration script generated by Autoconf, you may include it under 23## the same distribution terms that you use for the rest of that program. 24 25# serial 46 AC_PROG_LIBTOOL 26AC_DEFUN([AC_PROG_LIBTOOL], 27[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl 28dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX 29dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX. 30 AC_PROVIDE_IFELSE([AC_PROG_CXX], 31 [AC_LIBTOOL_CXX], 32 [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX 33])]) 34 35dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly. 36dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run 37dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both. 38 AC_PROVIDE_IFELSE([AC_PROG_GCJ], 39 [AC_LIBTOOL_GCJ], 40 [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], 41 [AC_LIBTOOL_GCJ], 42 [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ], 43 [AC_LIBTOOL_GCJ], 44 [ifdef([AC_PROG_GCJ], 45 [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ 46])]) 47 ifdef([A][M_PROG_GCJ], 48 [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ 49])]) 50 ifdef([LT_AC_PROG_GCJ], 51 [define([LT_AC_PROG_GCJ], defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ 52])])])])])]) 53 54AC_DEFUN([_AC_PROG_LIBTOOL], 55[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl 56AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl 57AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl 58 59# Save cache, so that ltconfig can load it 60AC_CACHE_SAVE 61 62# Actually configure libtool. ac_aux_dir is where install-sh is found. 63AR="$AR" LTCC="$CC" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ 64MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ 65LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \ 66AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \ 67objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \ 68deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \ 69${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ 70$libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \ 71|| AC_MSG_ERROR([libtool configure failed]) 72 73# Reload cache, that may have been modified by ltconfig 74AC_CACHE_LOAD 75 76# This can be used to rebuild libtool when needed 77LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh $ac_aux_dir/ltcf-c.sh" 78 79# Always use our own libtool. 80LIBTOOL='$(SHELL) $(top_builddir)/libtool' 81AC_SUBST(LIBTOOL)dnl 82 83# Redirect the config.log output again, so that the ltconfig log is not 84# clobbered by the next message. 85exec 5>>./config.log 86]) 87 88AC_DEFUN([AC_LIBTOOL_SETUP], 89[AC_PREREQ(2.13)dnl 90AC_REQUIRE([AC_ENABLE_SHARED])dnl 91AC_REQUIRE([AC_ENABLE_STATIC])dnl 92AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl 93AC_REQUIRE([AC_CANONICAL_HOST])dnl 94AC_REQUIRE([AC_CANONICAL_BUILD])dnl 95AC_REQUIRE([AC_PROG_CC])dnl 96AC_REQUIRE([AC_PROG_LD])dnl 97AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl 98AC_REQUIRE([AC_PROG_NM])dnl 99AC_REQUIRE([AC_PROG_LN_S])dnl 100AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl 101# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers! 102AC_REQUIRE([AC_OBJEXT])dnl 103AC_REQUIRE([AC_EXEEXT])dnl 104dnl 105 106# Only perform the check for file, if the check method requires it 107case $deplibs_check_method in 108file_magic*) 109 if test "$file_magic_cmd" = '$MAGIC_CMD'; then 110 AC_PATH_MAGIC 111 fi 112 ;; 113esac 114 115AC_CHECK_TOOL(RANLIB, ranlib, :) 116AC_CHECK_TOOL(STRIP, strip, :) 117 118# Check for any special flags to pass to ltconfig. 119libtool_flags="--cache-file=$cache_file" 120test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" 121test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" 122test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" 123test "$GCC" = yes && libtool_flags="$libtool_flags --with-gcc" 124test "$lt_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" 125ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], 126[libtool_flags="$libtool_flags --enable-dlopen"]) 127ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], 128[libtool_flags="$libtool_flags --enable-win32-dll"]) 129AC_ARG_ENABLE(libtool-lock, 130 [ --disable-libtool-lock avoid locking (might break parallel builds)]) 131test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock" 132test x"$silent" = xyes && libtool_flags="$libtool_flags --silent" 133 134AC_ARG_WITH(pic, 135 [ --with-pic try to use only PIC/non-PIC objects [default=use both]], 136 pic_mode="$withval", pic_mode=default) 137test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic" 138test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic" 139 140# Some flags need to be propagated to the compiler or linker for good 141# libtool support. 142case $host in 143*-*-irix6*) 144 # Find out which ABI we are using. 145 echo '[#]line __oline__ "configure"' > conftest.$ac_ext 146 if AC_TRY_EVAL(ac_compile); then 147 if test "$lt_cv_prog_gnu_ld" = yes; then 148 case `/usr/bin/file conftest.$ac_objext` in 149 *32-bit*) 150 LD="${LD-ld} -melf32bsmip" 151 ;; 152 *N32*) 153 LD="${LD-ld} -melf32bmipn32" 154 ;; 155 *64-bit*) 156 LD="${LD-ld} -melf64bmip" 157 ;; 158 esac 159 else 160 case `/usr/bin/file conftest.$ac_objext` in 161 *32-bit*) 162 LD="${LD-ld} -32" 163 ;; 164 *N32*) 165 LD="${LD-ld} -n32" 166 ;; 167 *64-bit*) 168 LD="${LD-ld} -64" 169 ;; 170 esac 171 fi 172 fi 173 rm -rf conftest* 174 ;; 175 176ia64-*-hpux*) 177 # Find out which ABI we are using. 178 echo 'int i;' > conftest.$ac_ext 179 if AC_TRY_EVAL(ac_compile); then 180 case "`/usr/bin/file conftest.o`" in 181 *ELF-32*) 182 HPUX_IA64_MODE="32" 183 ;; 184 *ELF-64*) 185 HPUX_IA64_MODE="64" 186 ;; 187 esac 188 fi 189 rm -rf conftest* 190 ;; 191 192*-*-sco3.2v5*) 193 # On SCO OpenServer 5, we need -belf to get full-featured binaries. 194 SAVE_CFLAGS="$CFLAGS" 195 CFLAGS="$CFLAGS -belf" 196 AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, 197 [AC_LANG_SAVE 198 AC_LANG_C 199 AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) 200 AC_LANG_RESTORE]) 201 if test x"$lt_cv_cc_needs_belf" != x"yes"; then 202 # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf 203 CFLAGS="$SAVE_CFLAGS" 204 fi 205 ;; 206 207ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], 208[*-*-cygwin* | *-*-mingw* | *-*-pw32*) 209 AC_CHECK_TOOL(DLLTOOL, dlltool, false) 210 AC_CHECK_TOOL(AS, as, false) 211 AC_CHECK_TOOL(OBJDUMP, objdump, false) 212 213 # recent cygwin and mingw systems supply a stub DllMain which the user 214 # can override, but on older systems we have to supply one 215 AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain, 216 [AC_TRY_LINK([], 217 [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*); 218 DllMain (0, 0, 0);], 219 [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])]) 220 221 case $host/$CC in 222 *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*) 223 # old mingw systems require "-dll" to link a DLL, while more recent ones 224 # require "-mdll" 225 SAVE_CFLAGS="$CFLAGS" 226 CFLAGS="$CFLAGS -mdll" 227 AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch, 228 [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])]) 229 CFLAGS="$SAVE_CFLAGS" ;; 230 *-*-cygwin* | *-*-pw32*) 231 # cygwin systems need to pass --dll to the linker, and not link 232 # crt.o which will require a WinMain@16 definition. 233 lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;; 234 esac 235 ;; 236 ]) 237esac 238]) 239 240# AC_LIBTOOL_DLOPEN - enable checks for dlopen support 241AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) 242 243# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's 244AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) 245 246# AC_ENABLE_SHARED - implement the --enable-shared flag 247# Usage: AC_ENABLE_SHARED[(DEFAULT)] 248# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 249# `yes'. 250AC_DEFUN([AC_ENABLE_SHARED], 251[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl 252AC_ARG_ENABLE(shared, 253changequote(<<, >>)dnl 254<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], 255changequote([, ])dnl 256[p=${PACKAGE-default} 257case $enableval in 258yes) enable_shared=yes ;; 259no) enable_shared=no ;; 260*) 261 enable_shared=no 262 # Look at the argument we got. We use all the common list separators. 263 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 264 for pkg in $enableval; do 265 if test "X$pkg" = "X$p"; then 266 enable_shared=yes 267 fi 268 done 269 IFS="$ac_save_ifs" 270 ;; 271esac], 272enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl 273]) 274 275# AC_DISABLE_SHARED - set the default shared flag to --disable-shared 276AC_DEFUN([AC_DISABLE_SHARED], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 277AC_ENABLE_SHARED(no)]) 278 279# AC_ENABLE_STATIC - implement the --enable-static flag 280# Usage: AC_ENABLE_STATIC[(DEFAULT)] 281# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 282# `yes'. 283AC_DEFUN([AC_ENABLE_STATIC], 284[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl 285AC_ARG_ENABLE(static, 286changequote(<<, >>)dnl 287<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], 288changequote([, ])dnl 289[p=${PACKAGE-default} 290case $enableval in 291yes) enable_static=yes ;; 292no) enable_static=no ;; 293*) 294 enable_static=no 295 # Look at the argument we got. We use all the common list separators. 296 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 297 for pkg in $enableval; do 298 if test "X$pkg" = "X$p"; then 299 enable_static=yes 300 fi 301 done 302 IFS="$ac_save_ifs" 303 ;; 304esac], 305enable_static=AC_ENABLE_STATIC_DEFAULT)dnl 306]) 307 308# AC_DISABLE_STATIC - set the default static flag to --disable-static 309AC_DEFUN([AC_DISABLE_STATIC], 310[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 311AC_ENABLE_STATIC(no)]) 312 313 314# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag 315# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] 316# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to 317# `yes'. 318AC_DEFUN([AC_ENABLE_FAST_INSTALL], 319[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl 320AC_ARG_ENABLE(fast-install, 321changequote(<<, >>)dnl 322<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], 323changequote([, ])dnl 324[p=${PACKAGE-default} 325case $enableval in 326yes) enable_fast_install=yes ;; 327no) enable_fast_install=no ;; 328*) 329 enable_fast_install=no 330 # Look at the argument we got. We use all the common list separators. 331 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," 332 for pkg in $enableval; do 333 if test "X$pkg" = "X$p"; then 334 enable_fast_install=yes 335 fi 336 done 337 IFS="$ac_save_ifs" 338 ;; 339esac], 340enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl 341]) 342 343# AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install 344AC_DEFUN([AC_DISABLE_FAST_INSTALL], 345[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 346AC_ENABLE_FAST_INSTALL(no)]) 347 348# AC_LIBTOOL_PICMODE - implement the --with-pic flag 349# Usage: AC_LIBTOOL_PICMODE[(MODE)] 350# Where MODE is either `yes' or `no'. If omitted, it defaults to 351# `both'. 352AC_DEFUN([AC_LIBTOOL_PICMODE], 353[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 354pic_mode=ifelse($#,1,$1,default)]) 355 356 357# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library 358AC_DEFUN([AC_PATH_TOOL_PREFIX], 359[AC_MSG_CHECKING([for $1]) 360AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, 361[case $MAGIC_CMD in 362 /*) 363 lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. 364 ;; 365 ?:/*) 366 lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path. 367 ;; 368 *) 369 ac_save_MAGIC_CMD="$MAGIC_CMD" 370 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" 371dnl $ac_dummy forces splitting on constant user-supplied paths. 372dnl POSIX.2 word splitting is done only on the output of word expansions, 373dnl not every word. This closes a longstanding sh security hole. 374 ac_dummy="ifelse([$2], , $PATH, [$2])" 375 for ac_dir in $ac_dummy; do 376 test -z "$ac_dir" && ac_dir=. 377 if test -f $ac_dir/$1; then 378 lt_cv_path_MAGIC_CMD="$ac_dir/$1" 379 if test -n "$file_magic_test_file"; then 380 case $deplibs_check_method in 381 "file_magic "*) 382 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`" 383 MAGIC_CMD="$lt_cv_path_MAGIC_CMD" 384 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | 385 egrep "$file_magic_regex" > /dev/null; then 386 : 387 else 388 cat <<EOF 1>&2 389 390*** Warning: the command libtool uses to detect shared libraries, 391*** $file_magic_cmd, produces output that libtool cannot recognize. 392*** The result is that libtool may fail to recognize shared libraries 393*** as such. This will affect the creation of libtool libraries that 394*** depend on shared libraries, but programs linked with such libtool 395*** libraries will work regardless of this problem. Nevertheless, you 396*** may want to report the problem to your system manager and/or to 397*** bug-libtool@gnu.org 398 399EOF 400 fi ;; 401 esac 402 fi 403 break 404 fi 405 done 406 IFS="$ac_save_ifs" 407 MAGIC_CMD="$ac_save_MAGIC_CMD" 408 ;; 409esac]) 410MAGIC_CMD="$lt_cv_path_MAGIC_CMD" 411if test -n "$MAGIC_CMD"; then 412 AC_MSG_RESULT($MAGIC_CMD) 413else 414 AC_MSG_RESULT(no) 415fi 416]) 417 418 419# AC_PATH_MAGIC - find a file program which can recognise a shared library 420AC_DEFUN([AC_PATH_MAGIC], 421[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl 422AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH) 423if test -z "$lt_cv_path_MAGIC_CMD"; then 424 if test -n "$ac_tool_prefix"; then 425 AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH) 426 else 427 MAGIC_CMD=: 428 fi 429fi 430]) 431 432 433# AC_PROG_LD - find the path to the GNU or non-GNU linker 434AC_DEFUN([AC_PROG_LD], 435[AC_ARG_WITH(gnu-ld, 436[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], 437test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) 438AC_REQUIRE([AC_PROG_CC])dnl 439AC_REQUIRE([AC_CANONICAL_HOST])dnl 440AC_REQUIRE([AC_CANONICAL_BUILD])dnl 441ac_prog=ld 442if test "$GCC" = yes; then 443 # Check if gcc -print-prog-name=ld gives a path. 444 AC_MSG_CHECKING([for ld used by GCC]) 445 case $host in 446 *-*-mingw*) 447 # gcc leaves a trailing carriage return which upsets mingw 448 ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; 449 *) 450 ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; 451 esac 452 case $ac_prog in 453 # Accept absolute paths. 454 [[\\/]* | [A-Za-z]:[\\/]*)] 455 re_direlt=['/[^/][^/]*/\.\./'] 456 # Canonicalize the path of ld 457 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` 458 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do 459 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` 460 done 461 test -z "$LD" && LD="$ac_prog" 462 ;; 463 "") 464 # If it fails, then pretend we aren't using GCC. 465 ac_prog=ld 466 ;; 467 *) 468 # If it is relative, then search for the first ld in PATH. 469 with_gnu_ld=unknown 470 ;; 471 esac 472elif test "$with_gnu_ld" = yes; then 473 AC_MSG_CHECKING([for GNU ld]) 474else 475 AC_MSG_CHECKING([for non-GNU ld]) 476fi 477AC_CACHE_VAL(lt_cv_path_LD, 478[if test -z "$LD"; then 479 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" 480 for ac_dir in $PATH; do 481 test -z "$ac_dir" && ac_dir=. 482 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then 483 lt_cv_path_LD="$ac_dir/$ac_prog" 484 # Check to see if the program is GNU ld. I'd rather use --version, 485 # but apparently some GNU ld's only accept -v. 486 # Break only if it was the GNU/non-GNU ld that we prefer. 487 if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then 488 test "$with_gnu_ld" != no && break 489 else 490 test "$with_gnu_ld" != yes && break 491 fi 492 fi 493 done 494 IFS="$ac_save_ifs" 495else 496 lt_cv_path_LD="$LD" # Let the user override the test with a path. 497fi]) 498LD="$lt_cv_path_LD" 499if test -n "$LD"; then 500 AC_MSG_RESULT($LD) 501else 502 AC_MSG_RESULT(no) 503fi 504test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) 505AC_PROG_LD_GNU 506]) 507 508AC_DEFUN([AC_PROG_LD_GNU], 509[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld, 510[# I'd rather use --version here, but apparently some GNU ld's only accept -v. 511if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then 512 lt_cv_prog_gnu_ld=yes 513else 514 lt_cv_prog_gnu_ld=no 515fi]) 516with_gnu_ld=$lt_cv_prog_gnu_ld 517]) 518 519# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker 520# -- PORTME Some linkers may need a different reload flag. 521AC_DEFUN([AC_PROG_LD_RELOAD_FLAG], 522[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag, 523[lt_cv_ld_reload_flag='-r']) 524reload_flag=$lt_cv_ld_reload_flag 525test -n "$reload_flag" && reload_flag=" $reload_flag" 526]) 527 528# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies 529# -- PORTME fill in with the dynamic library characteristics 530AC_DEFUN([AC_DEPLIBS_CHECK_METHOD], 531[AC_CACHE_CHECK([how to recognise dependant libraries], 532lt_cv_deplibs_check_method, 533[lt_cv_file_magic_cmd='$MAGIC_CMD' 534lt_cv_file_magic_test_file= 535lt_cv_deplibs_check_method='unknown' 536# Need to set the preceding variable on all platforms that support 537# interlibrary dependencies. 538# 'none' -- dependencies not supported. 539# `unknown' -- same as none, but documents that we really don't know. 540# 'pass_all' -- all dependencies passed with no checks. 541# 'test_compile' -- check by making test program. 542# 'file_magic [regex]' -- check by looking for files in library path 543# which responds to the $file_magic_cmd with a given egrep regex. 544# If you have `file' or equivalent on your system and you're not sure 545# whether `pass_all' will *always* work, you probably want this one. 546 547case $host_os in 548aix*) 549 lt_cv_deplibs_check_method=pass_all 550 ;; 551 552beos*) 553 lt_cv_deplibs_check_method=pass_all 554 ;; 555 556bsdi4*) 557 lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'] 558 lt_cv_file_magic_cmd='/usr/bin/file -L' 559 lt_cv_file_magic_test_file=/shlib/libc.so 560 ;; 561 562cygwin* | mingw* |pw32*) 563 lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?' 564 lt_cv_file_magic_cmd='$OBJDUMP -f' 565 ;; 566 567darwin* | rhapsody*) 568 lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library' 569 lt_cv_file_magic_cmd='/usr/bin/file -L' 570 case "$host_os" in 571 rhapsody* | darwin1.[012]) 572 lt_cv_file_magic_test_file='/System/Library/Frameworks/System.framework/System' 573 ;; 574 *) # Darwin 1.3 on 575 lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib' 576 ;; 577 esac 578 ;; 579 580freebsd* ) 581 if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then 582 case $host_cpu in 583 i*86 ) 584 # Not sure whether the presence of OpenBSD here was a mistake. 585 # Let's accept both of them until this is cleared up. 586 lt_cv_deplibs_check_method=['file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library'] 587 lt_cv_file_magic_cmd=/usr/bin/file 588 lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` 589 ;; 590 esac 591 else 592 lt_cv_deplibs_check_method=pass_all 593 fi 594 ;; 595 596gnu*) 597 lt_cv_deplibs_check_method=pass_all 598 ;; 599 600hpux10.20*|hpux11*) 601 case $host_cpu in 602 hppa*) 603 [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'] 604 lt_cv_file_magic_cmd=/usr/bin/file 605 lt_cv_file_magic_test_file=/usr/lib/libc.sl 606 ;; 607 ia64*) 608 [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64'] 609 lt_cv_file_magic_cmd=/usr/bin/file 610 lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so 611 ;; 612 esac 613 ;; 614 615irix5* | irix6*) 616 case $host_os in 617 irix5*) 618 # this will be overridden with pass_all, but let us keep it just in case 619 lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" 620 ;; 621 *) 622 case $LD in 623 *-32|*"-32 ") libmagic=32-bit;; 624 *-n32|*"-n32 ") libmagic=N32;; 625 *-64|*"-64 ") libmagic=64-bit;; 626 *) libmagic=never-match;; 627 esac 628 # this will be overridden with pass_all, but let us keep it just in case 629 lt_cv_deplibs_check_method=["file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"] 630 ;; 631 esac 632 lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*` 633 lt_cv_deplibs_check_method=pass_all 634 ;; 635 636# This must be Linux ELF. 637linux-gnu*) 638 case $host_cpu in 639 alpha* | mips* | hppa* | i*86 | powerpc* | sparc* | ia64* ) 640 lt_cv_deplibs_check_method=pass_all ;; 641 *) 642 # glibc up to 2.1.1 does not perform some relocations on ARM 643 lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'] ;; 644 esac 645 lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so` 646 ;; 647 648netbsd*) 649 if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then 650 [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$'] 651 else 652 [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so$'] 653 fi 654 ;; 655 656newsos6) 657 [lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)'] 658 lt_cv_file_magic_cmd=/usr/bin/file 659 lt_cv_file_magic_test_file=/usr/lib/libnls.so 660 ;; 661 662osf3* | osf4* | osf5*) 663 # this will be overridden with pass_all, but let us keep it just in case 664 lt_cv_deplibs_check_method='file_magic COFF format alpha shared library' 665 lt_cv_file_magic_test_file=/shlib/libc.so 666 lt_cv_deplibs_check_method=pass_all 667 ;; 668 669sco3.2v5*) 670 lt_cv_deplibs_check_method=pass_all 671 ;; 672 673solaris*) 674 lt_cv_deplibs_check_method=pass_all 675 lt_cv_file_magic_test_file=/lib/libc.so 676 ;; 677 678[sysv5uw[78]* | sysv4*uw2*)] 679 lt_cv_deplibs_check_method=pass_all 680 ;; 681 682sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 683 case $host_vendor in 684 ncr) 685 lt_cv_deplibs_check_method=pass_all 686 ;; 687 motorola) 688 lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'] 689 lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` 690 ;; 691 esac 692 ;; 693esac 694]) 695file_magic_cmd=$lt_cv_file_magic_cmd 696deplibs_check_method=$lt_cv_deplibs_check_method 697]) 698 699 700# AC_PROG_NM - find the path to a BSD-compatible name lister 701AC_DEFUN([AC_PROG_NM], 702[AC_MSG_CHECKING([for BSD-compatible nm]) 703AC_CACHE_VAL(lt_cv_path_NM, 704[if test -n "$NM"; then 705 # Let the user override the test. 706 lt_cv_path_NM="$NM" 707else 708 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" 709 for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do 710 test -z "$ac_dir" && ac_dir=. 711 tmp_nm=$ac_dir/${ac_tool_prefix}nm 712 if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then 713 # Check to see if the nm accepts a BSD-compat flag. 714 # Adding the `sed 1q' prevents false positives on HP-UX, which says: 715 # nm: unknown option "B" ignored 716 # Tru64's nm complains that /dev/null is an invalid object file 717 if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then 718 lt_cv_path_NM="$tmp_nm -B" 719 break 720 elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then 721 lt_cv_path_NM="$tmp_nm -p" 722 break 723 else 724 lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but 725 continue # so that we can try to find one that supports BSD flags 726 fi 727 fi 728 done 729 IFS="$ac_save_ifs" 730 test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm 731fi]) 732NM="$lt_cv_path_NM" 733AC_MSG_RESULT([$NM]) 734]) 735 736# AC_CHECK_LIBM - check for math library 737AC_DEFUN([AC_CHECK_LIBM], 738[AC_REQUIRE([AC_CANONICAL_HOST])dnl 739LIBM= 740case $host in 741*-*-beos* | *-*-cygwin* | *-*-pw32*) 742 # These system don't have libm 743 ;; 744*-ncr-sysv4.3*) 745 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") 746 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") 747 ;; 748*) 749 AC_CHECK_LIB(m, main, LIBM="-lm") 750 ;; 751esac 752]) 753 754# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for 755# the libltdl convenience library and INCLTDL to the include flags for 756# the libltdl header and adds --enable-ltdl-convenience to the 757# configure arguments. Note that LIBLTDL and INCLTDL are not 758# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not 759# provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed 760# with '${top_builddir}/' and INCLTDL will be prefixed with 761# '${top_srcdir}/' (note the single quotes!). If your package is not 762# flat and you're not using automake, define top_builddir and 763# top_srcdir appropriately in the Makefiles. 764AC_DEFUN([AC_LIBLTDL_CONVENIENCE], 765[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 766 case $enable_ltdl_convenience in 767 no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; 768 "") enable_ltdl_convenience=yes 769 ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; 770 esac 771 LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la 772 INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl']) 773]) 774 775# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for 776# the libltdl installable library and INCLTDL to the include flags for 777# the libltdl header and adds --enable-ltdl-install to the configure 778# arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is 779# AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed 780# libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will 781# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed 782# with '${top_srcdir}/' (note the single quotes!). If your package is 783# not flat and you're not using automake, define top_builddir and 784# top_srcdir appropriately in the Makefiles. 785# In the future, this macro may have to be called after AC_PROG_LIBTOOL. 786AC_DEFUN([AC_LIBLTDL_INSTALLABLE], 787[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl 788 AC_CHECK_LIB(ltdl, main, 789 [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no], 790 [if test x"$enable_ltdl_install" = xno; then 791 AC_MSG_WARN([libltdl not installed, but installation disabled]) 792 else 793 enable_ltdl_install=yes 794 fi 795 ]) 796 if test x"$enable_ltdl_install" = x"yes"; then 797 ac_configure_args="$ac_configure_args --enable-ltdl-install" 798 LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la 799 INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl']) 800 else 801 ac_configure_args="$ac_configure_args --enable-ltdl-install=no" 802 LIBLTDL="-lltdl" 803 INCLTDL= 804 fi 805]) 806 807# If this macro is not defined by Autoconf, define it here. 808ifdef([AC_PROVIDE_IFELSE], 809 [], 810 [define([AC_PROVIDE_IFELSE], 811 [ifdef([AC_PROVIDE_$1], 812 [$2], [$3])])]) 813 814# AC_LIBTOOL_CXX - enable support for C++ libraries 815AC_DEFUN([AC_LIBTOOL_CXX], [AC_REQUIRE([_AC_LIBTOOL_CXX])]) 816 817AC_DEFUN([_AC_LIBTOOL_CXX], 818[AC_REQUIRE([AC_PROG_CXX]) 819AC_REQUIRE([AC_PROG_CXXCPP]) 820LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-cxx.sh" 821lt_save_CC="$CC" 822lt_save_CFLAGS="$CFLAGS" 823dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC 824dnl is set to the C++ compiler. 825AR="$AR" LTCC="$CC" CC="$CXX" CXX="$CXX" CFLAGS="$CXXFLAGS" CPPFLAGS="$CPPFLAGS" \ 826MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ 827LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \ 828AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \ 829objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \ 830deplibs_check_method="$deplibs_check_method" \ 831file_magic_cmd="$file_magic_cmd" \ 832${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \ 833--build="$build" --add-tag=CXX $ac_aux_dir/ltcf-cxx.sh $host \ 834|| AC_MSG_ERROR([libtool tag configuration failed]) 835CC="$lt_save_CC" 836CFLAGS="$lt_save_CFLAGS" 837 838# Redirect the config.log output again, so that the ltconfig log is not 839# clobbered by the next message. 840exec 5>>./config.log 841]) 842 843# AC_LIBTOOL_GCJ - enable support for GCJ libraries 844AC_DEFUN([AC_LIBTOOL_GCJ],[AC_REQUIRE([_AC_LIBTOOL_GCJ])]) 845 846AC_DEFUN([_AC_LIBTOOL_GCJ], 847[AC_REQUIRE([AC_PROG_LIBTOOL]) 848AC_PROVIDE_IFELSE([AC_PROG_GCJ],[], 849 [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[], 850 [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],[], 851 [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])], 852 [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])], 853 [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])]) 854LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-gcj.sh" 855lt_save_CC="$CC" 856lt_save_CFLAGS="$CFLAGS" 857dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC 858dnl is set to the C++ compiler. 859AR="$AR" LTCC="$CC" CC="$GCJ" CFLAGS="$GCJFLAGS" CPPFLAGS="$CPPFLAGS" \ 860MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ 861LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \ 862AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \ 863objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \ 864deplibs_check_method="$deplibs_check_method" \ 865file_magic_cmd="$file_magic_cmd" \ 866${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \ 867--build="$build" --add-tag=GCJ $ac_aux_dir/ltcf-gcj.sh $host \ 868|| AC_MSG_ERROR([libtool tag configuration failed]) 869CC="$lt_save_CC" 870CFLAGS="$lt_save_CFLAGS" 871 872# Redirect the config.log output again, so that the ltconfig log is not 873# clobbered by the next message. 874exec 5>>./config.log 875]) 876 877dnl old names 878AC_DEFUN([AM_PROG_LIBTOOL], [AC_PROG_LIBTOOL]) 879AC_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) 880AC_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) 881AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) 882AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) 883AC_DEFUN([AM_PROG_LD], [AC_PROG_LD]) 884AC_DEFUN([AM_PROG_NM], [AC_PROG_NM]) 885 886dnl This is just to silence aclocal about the macro not being used 887ifelse([AC_DISABLE_FAST_INSTALL])dnl 888 889AC_DEFUN([LT_AC_PROG_GCJ], 890[AC_CHECK_TOOL(GCJ, gcj, no) 891 test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2" 892 AC_SUBST(GCJFLAGS) 893]) 894