## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*- ## Copyright (C) 1996-1999 Free Software Foundation, Inc. ## Gordon Matzigkeit , 1996 ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2 of the License, or ## (at your option) any later version. ## ## This program is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ## ## As a special exception to the GNU General Public License, if you ## distribute this file as part of a program that contains a ## configuration script generated by Autoconf, you may include it under ## the same distribution terms that you use for the rest of that program. # serial 32 AC_PROG_LIBTOOL AC_DEFUN(AC_PROG_LIBTOOL, [AC_PREREQ(2.12.2)dnl AC_REQUIRE([AC_ENABLE_SHARED])dnl AC_REQUIRE([AC_ENABLE_STATIC])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_LD])dnl AC_REQUIRE([AC_PROG_NM])dnl AC_REQUIRE([AC_SYS_NM_PARSE])dnl AC_REQUIRE([AC_SYS_SYMBOL_UNDERSCORE])dnl AC_REQUIRE([AC_PROG_LN_S])dnl dnl # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl # Check for any special flags to pass to ltconfig. libtool_flags= test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" test "x$lt_cv_dlopen" != xno && libtool_flags="$libtool_flags --enable-dlopen" test "x$lt_cv_dlopen_self" = xyes && libtool_flags="$libtool_flags --enable-dlopen-self" test "$silent" = yes && libtool_flags="$libtool_flags --silent" test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" # Some flags need to be propagated to the compiler or linker for good # libtool support. case "$host" in *-*-irix6*) # Find out which ABI we are using. echo '[#]line __oline__ "configure"' > conftest.$ac_ext if AC_TRY_EVAL(ac_compile); then case "`/usr/bin/file conftest.o`" in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])]) if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; *-*-cygwin32*) AC_SYS_LIBTOOL_CYGWIN32 ;; esac # enable the --disable-libtool-lock switch AC_ARG_ENABLE(libtool-lock, [ --disable-libtool-lock force libtool not to do file locking], need_locks=$enableval, need_locks=yes) if test x"$need_locks" = xno; then libtool_flags="$libtool_flags --disable-lock" fi # Actually configure libtool. ac_aux_dir is where install-sh is found. CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \ DLLTOOL="$DLLTOOL" AS="$AS" \ ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ || AC_MSG_ERROR([libtool configure failed]) # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh" # Redirect the config.log output again, so that the ltconfig log is not # clobbered by the next message. exec 5>>./config.log ]) # AC_LIBTOOL_DLOPEN - check for dlopen support AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_CACHE_VAL(lt_cv_dlopen, [lt_cv_dlopen=no lt_cv_dlopen_LIBS= AC_CHECK_FUNC(dlopen, [lt_cv_dlopen="yes: dlopen"], [AC_CHECK_LIB(dl, dlopen, [lt_cv_dlopen="yes: dlopen" lt_cv_dlopen_LIBS="-ldl"], [AC_CHECK_LIB(dld, dld_link, [lt_cv_dlopen="yes: dld_link" lt_cv_dlopen_LIBS="-ldld"], [AC_CHECK_FUNC(shl_load, [lt_cv_dlopen="yes: shl_load"], [AC_CHECK_FUNC(LoadLibrary, [lt_cv_dlopen="yes: LoadLibrary"])] )] )] )] )]) case "$lt_cv_dlopen" in "yes: dlopen") AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [LT_SAVE_LIBS="$LIBS"; LIBS="$lt_cv_dlopen_LIBS $LIBS" AC_TRY_RUN([ #include #include fnord() { int i=42;} main() { void *self, *ptr1, *ptr2; self=dlopen(0,RTLD_LAZY); if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); if(ptr1 || ptr2) exit(0); } exit(1); } ], lt_cv_dlopen_self=no, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=cross) LIBS="$LT_SAVE_LIBS"]) ;; # We should probably test other for NULL support in other dlopening # mechanisms too. *) lt_cv_dlopen_self=no ;; esac ]) # AC_ENABLE_SHARED - implement the --enable-shared flag # Usage: AC_ENABLE_SHARED[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to # `yes'. AC_DEFUN(AC_ENABLE_SHARED, [define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl AC_ARG_ENABLE(shared, changequote(<<, >>)dnl << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], changequote([, ])dnl [p=${PACKAGE-default} case "$enableval" in yes) enable_shared=yes ;; no) enable_shared=no ;; *) enable_shared=no # Look at the argument we got. We use all the common list separators. IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," for pkg in $enableval; do if test "X$pkg" = "X$p"; then enable_shared=yes fi done IFS="$ac_save_ifs" ;; esac], enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl ]) # AC_DISABLE_SHARED - set the default shared flag to --disable-shared AC_DEFUN(AC_DISABLE_SHARED, [AC_ENABLE_SHARED(no)]) # AC_DISABLE_STATIC - set the default static flag to --disable-static AC_DEFUN(AC_DISABLE_STATIC, [AC_ENABLE_STATIC(no)]) # AC_ENABLE_STATIC - implement the --enable-static flag # Usage: AC_ENABLE_STATIC[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to # `yes'. AC_DEFUN(AC_ENABLE_STATIC, [define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl AC_ARG_ENABLE(static, changequote(<<, >>)dnl << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], changequote([, ])dnl [p=${PACKAGE-default} case "$enableval" in yes) enable_static=yes ;; no) enable_static=no ;; *) enable_static=no # Look at the argument we got. We use all the common list separators. IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," for pkg in $enableval; do if test "X$pkg" = "X$p"; then enable_static=yes fi done IFS="$ac_save_ifs" ;; esac], enable_static=AC_ENABLE_STATIC_DEFAULT)dnl ]) # AC_PROG_LD - find the path to the GNU or non-GNU linker AC_DEFUN(AC_PROG_LD, [AC_ARG_WITH(gnu-ld, [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl ac_prog=ld if test "$ac_cv_prog_gcc" = yes; then # Check if gcc -print-prog-name=ld gives a path. AC_MSG_CHECKING([for ld used by GCC]) ac_prog=`($CC -print-prog-name=ld) 2>&5` case "$ac_prog" in # Accept absolute paths. changequote(,)dnl /* | [A-Za-z]:/*) # Canonicalize the path of ld re_direlt='/[^/][^/]*/\.\./' sub_uncdrive='s%^\([A-Za-z]\):/%//\1/%' changequote([,])dnl while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` done case "$host_os" in cygwin*) # Convert to a UNC path for cygwin test -z "$LD" && LD=`echo X$ac_prog | sed -e "1s/^X//" -e "$sub_uncdrive"` ;; *) test -z "$LD" && LD="$ac_prog" ;; esac ;; ## ## FIXME: The code fails later on if we try to use an $LD with ## '\\' path separators. ## changequote(,)dnl [A-Za-z]:[\\]*) # Canonicalize the path of ld re_direlt='\\[^\\][^\\]*\\\.\.\(\\\)' sub_uncdrive='s%^\([A-Za-z]\):\\%//\1/%' changequote([,])dnl sub_uncdir='s%\\%/%g' while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do ac_prog=`echo $ac_prog| sed "s%$re_direlt%\1%"` done case "$host_os" in cygwin*) # Convert to a UNC path for cygwin test -z "$LD" && LD=`echo X$ac_prog | sed -e 's%^X%%' -e "$sub_uncdrive" -e "$sub_uncdir"` ;; *) test -z "$LD" && LD="$ac_prog" ;; esac ;; "") # If it fails, then pretend we aren't using GCC. ac_prog=ld ;; *) # If it is relative, then search for the first ld in PATH. with_gnu_ld=unknown ;; esac elif test "$with_gnu_ld" = yes; then AC_MSG_CHECKING([for GNU ld]) else AC_MSG_CHECKING([for non-GNU ld]) fi AC_CACHE_VAL(ac_cv_path_LD, [if test -z "$LD"; then IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH; do test -z "$ac_dir" && ac_dir=. if test -f "$ac_dir/$ac_prog"; then ac_cv_path_LD="$ac_dir/$ac_prog" # Check to see if the program is GNU ld. I'd rather use --version, # but apparently some GNU ld's only accept -v. # Break only if it was the GNU/non-GNU ld that we prefer. if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then test "$with_gnu_ld" != no && break else test "$with_gnu_ld" != yes && break fi fi done IFS="$ac_save_ifs" else ac_cv_path_LD="$LD" # Let the user override the test with a path. fi]) LD="$ac_cv_path_LD" if test -n "$LD"; then AC_MSG_RESULT($LD) else AC_MSG_RESULT(no) fi test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) AC_SUBST(LD) AC_PROG_LD_GNU ]) AC_DEFUN(AC_PROG_LD_GNU, [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, [# I'd rather use --version here, but apparently some GNU ld's only accept -v. if $LD -v 2>&1 &5; then ac_cv_prog_gnu_ld=yes else ac_cv_prog_gnu_ld=no fi]) ]) # AC_PROG_NM - find the path to a BSD-compatible name lister AC_DEFUN(AC_PROG_NM, [AC_MSG_CHECKING([for BSD-compatible nm]) AC_CACHE_VAL(ac_cv_path_NM, [if test -n "$NM"; then # Let the user override the test. ac_cv_path_NM="$NM" else IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/nm; then # Check to see if the nm accepts a BSD-compat flag. # Adding the `sed 1q' prevents false positives on HP-UX, which says: # nm: unknown option "B" ignored if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then ac_cv_path_NM="$ac_dir/nm -B" break elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then ac_cv_path_NM="$ac_dir/nm -p" break else ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but continue # so that we can try to find one that supports BSD flags fi fi done IFS="$ac_save_ifs" test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm fi]) NM="$ac_cv_path_NM" AC_MSG_RESULT([$NM]) AC_SUBST(NM) ]) # AC_SYS_NM_PARSE - Check for command ro grab the raw symbol name followed # by C symbol name from nm. AC_DEFUN(AC_SYS_NM_PARSE, [AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_NM])dnl # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output]) AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe, [# These are sane defaults that work on at least a few old systems. # {They come from Ultrix. What could be older than Ultrix?!! ;)} changequote(,)dnl # Character class describing NM global symbol codes. ac_symcode='[BCDEGRST]' # Regexp to match symbols that can be accessed directly from C. ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)' # Transform the above into a raw symbol and a C symbol. ac_symxfrm='\1 \1' # Define system-specific variables. case "$host_os" in aix*) ac_symcode='[BCDT]' ;; cygwin32* | mingw32*) ac_symcode='[ABCDGISTW]' ;; irix*) ac_symcode='[BCDEGRST]' ;; solaris*) ac_symcode='[BDT]' ;; esac # If we're using GNU nm, then use its standard symbol codes. if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then ac_symcode='[ABCDGISTW]' fi changequote([,])dnl # Try without a prefix undercore, then with it. for ac_symprfx in "" "_"; do # Write the raw and C identifiers. # Unlike in ltconfig.in, we need $ac_symprfx before $ac_symxfrm here, # otherwise AC_SYS_SYMBOL_UNDERSCORE will always be false ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]$ac_symcode[ ][ ]*$ac_symprfx$ac_sympat$/$ac_symprfx$ac_symxfrm/p'" # Check to see that the pipe works correctly. ac_pipe_works=no rm -f conftest.$ac_ext cat > conftest.$ac_ext < $ac_nlist) && test -s "$ac_nlist"; then # Try sorting and uniquifying the output. if sort "$ac_nlist" | uniq > "$ac_nlist"T; then mv -f "$ac_nlist"T "$ac_nlist" else rm -f "$ac_nlist"T fi # Make sure that we snagged all the symbols we need. if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then cat < conftest.c #ifdef __cplusplus extern "C" { #endif EOF # Now generate the symbol file. sed 's/^.* \(.*\)$/extern char \1;/' < "$ac_nlist" >> conftest.c cat <> conftest.c #if defined (__STDC__) && __STDC__ # define lt_ptr_t void * #else # define lt_ptr_t char * # define const #endif /* The mapping between symbol names and symbols. */ const struct { const char *name; lt_ptr_t address; } changequote(,)dnl lt_preloaded_symbols[] = changequote([,])dnl { EOF sed 's/^\(.*\) \(.*\)$/ {"\1", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c cat <<\EOF >> conftest.c {0, (lt_ptr_t) 0} }; #ifdef __cplusplus } #endif EOF # Now try linking the two files. mv conftest.$ac_objext conftestm.$ac_objext ac_save_LIBS="$LIBS" ac_save_CFLAGS="$CFLAGS" LIBS="conftestm.$ac_objext" CFLAGS="$CFLAGS$no_builtin_flag" if AC_TRY_EVAL(ac_link) && test -s conftest; then ac_pipe_works=yes else echo "configure: failed program was:" >&AC_FD_CC cat conftest.c >&AC_FD_CC fi LIBS="$ac_save_LIBS" CFLAGS="$ac_save_CFLAGS" else echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC fi else echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC fi else echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC fi else echo "$progname: failed program was:" >&AC_FD_CC cat conftest.c >&AC_FD_CC fi rm -rf conftest* # Do not use the global_symbol_pipe unless it works. if test "$ac_pipe_works" = yes; then if test x"$ac_symprfx" = x"_"; then ac_cv_sys_symbol_underscore=yes else ac_cv_sys_symbol_underscore=no fi break else ac_cv_sys_global_symbol_pipe= fi done ]) ac_result=yes if test -z "$ac_cv_sys_global_symbol_pipe"; then ac_result=no fi AC_MSG_RESULT($ac_result) ]) # AC_SYS_LIBTOOL_CYGWIN32 - find tools needed on cygwin32 AC_DEFUN(AC_SYS_LIBTOOL_CYGWIN32, [AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(AS, as, false) ]) # AC_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols # with an underscore? AC_DEFUN(AC_SYS_SYMBOL_UNDERSCORE, [AC_REQUIRE([AC_PROG_NM])dnl AC_REQUIRE([AC_SYS_NM_PARSE])dnl AC_MSG_CHECKING([for _ prefix in compiled symbols]) AC_CACHE_VAL(ac_cv_sys_symbol_underscore, [ac_cv_sys_symbol_underscore=no cat > conftest.$ac_ext < $ac_nlist) && test -s "$ac_nlist"; then # See whether the symbols have a leading underscore. if egrep '^_nm_test_func' "$ac_nlist" >/dev/null; then ac_cv_sys_symbol_underscore=yes else if egrep '^nm_test_func ' "$ac_nlist" >/dev/null; then : else echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC fi fi else echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC fi else echo "configure: failed program was:" >&AC_FD_CC cat conftest.c >&AC_FD_CC fi rm -rf conftest* ]) AC_MSG_RESULT($ac_cv_sys_symbol_underscore) USE_SYMBOL_UNDERSCORE=${ac_cv_sys_symbol_underscore=no} AC_SUBST(USE_SYMBOL_UNDERSCORE)dnl ]) # AC_CHECK_LIBM - check for math library AC_DEFUN(AC_CHECK_LIBM, [ AC_CHECK_LIB(mw, _mwvalidcheckl) AC_CHECK_LIB(m, cos) ]) dnl old names AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl AC_DEFUN(AM_SYS_NM_PARSE, [indir([AC_SYS_NM_PARSE])])dnl AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, [indir([AC_SYS_SYMBOL_UNDERSCORE])])dnl AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN32, [indir([AC_SYS_LIBTOOL_CYGWIN32])])dnl