## libtool.m4 - Configure libtool for the host system. -*-Shell-script-*- ## Copyright (C) 1996-1999,2000 Free Software Foundation, Inc. ## Originally by 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 45 AC_PROG_LIBTOOL AC_DEFUN(AC_PROG_LIBTOOL, [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh" # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl # Prevent multiple expansion define([AC_PROG_LIBTOOL], []) ]) AC_DEFUN(AC_LIBTOOL_SETUP, [AC_PREREQ(2.13)dnl AC_REQUIRE([AC_ENABLE_SHARED])dnl AC_REQUIRE([AC_ENABLE_STATIC])dnl AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_LD])dnl AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl AC_REQUIRE([AC_PROG_NM])dnl AC_REQUIRE([AC_PROG_LN_S])dnl AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl AC_REQUIRE([AC_OBJEXT])dnl AC_REQUIRE([AC_EXEEXT])dnl dnl _LT_AC_PROG_ECHO_BACKSLASH # Only perform the check for file, if the check method requires it case "$deplibs_check_method" in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then AC_PATH_MAGIC fi ;; esac AC_CHECK_TOOL(RANLIB, ranlib, :) AC_CHECK_TOOL(STRIP, strip, :) ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no) ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], enable_win32_dll=yes, enable_win32_dll=no) AC_ARG_ENABLE(libtool-lock, [ --disable-libtool-lock avoid locking (might break parallel builds)]) test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case "$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_LANG_SAVE AC_LANG_C AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) AC_LANG_RESTORE]) 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 ;; ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], [*-*-cygwin* | *-*-mingw* | *-*-pw32*) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) # recent cygwin and mingw systems supply a stub DllMain which the user # can override, but on older systems we have to supply one AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain, [AC_TRY_LINK([], [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*); DllMain (0, 0, 0);], [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])]) case "$host/$CC" in *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*) # old mingw systems require "-dll" to link a DLL, while more recent ones # require "-mdll" SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -mdll" AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch, [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])]) CFLAGS="$SAVE_CFLAGS" ;; *-*-cygwin* | *-*-pw32*) # cygwin systems need to pass --dll to the linker, and not link # crt.o which will require a WinMain@16 definition. lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;; esac ;; ]) esac _LT_AC_LTCONFIG_HACK ]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE # --------------------------------- AC_DEFUN(AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE, [AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([AC_PROG_NM]) AC_REQUIRE([AC_OBJEXT]) # 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], [dnl # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. [symcode='[BCDEGRST]'] # Regexp to match symbols that can be accessed directly from C. [sympat='\([_A-Za-z][_A-Za-z0-9]*\)'] # Transform the above into a raw symbol and a C symbol. symxfrm='\1 \2\3 \3' # Transform an extracted symbol line into a proper C declaration ac_cv_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" # Define system-specific variables. case "$host_os" in aix*) [symcode='[BCDT]'] ;; cygwin* | mingw* | pw32*) [symcode='[ABCDGISTW]'] ;; hpux*) # Its linker distinguishes data from code symbols ac_cv_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" ;; irix*) [symcode='[BCDEGRST]'] ;; solaris* | sysv5*) [symcode='[BDT]'] ;; sysv4) [symcode='[DFNSTU]'] ;; esac # Handle CRLF in mingw tool chain opt_cr= case "$host_os" in mingw*) opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; 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 [symcode='[ABCDGISTW]'] fi # Try without a prefix undercore, then with it. for ac_symprfx in "" "_"; do # Write the raw and C identifiers. [ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$opt_cr$/$symxfrm/p'"] # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.c < $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if egrep ' nm_test_var$' "$nlist" >/dev/null; then if egrep ' nm_test_func$' "$nlist" >/dev/null; then cat < conftest.c #ifdef __cplusplus extern "C" { #endif EOF # Now generate the symbol file. eval "$ac_cv_global_symbol_to_cdecl"' < "$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; } [lt_preloaded_symbols[] =] { EOF sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c cat <<\EOF >> conftest.c {0, (lt_ptr_t) 0} }; #ifdef __cplusplus } #endif EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext save_LIBS="$LIBS" save_CFLAGS="$CFLAGS" LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$no_builtin_flag" if AC_TRY_EVAL(ac_link) && test -s conftest; then pipe_works=yes fi LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" else echo "cannot find nm_test_func in $nlist" >&AC_FD_CC fi else echo "cannot find nm_test_var in $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 >&5 fi rm -f conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else ac_cv_sys_global_symbol_pipe= ac_cv_global_symbol_to_cdecl= fi done ]) global_symbol_pipe="$ac_cv_sys_global_symbol_pipe" if test -z "$ac_cv_sys_global_symbol_pipe"; then global_symbol_to_cdecl= else global_symbol_to_cdecl="$ac_cv_global_symbol_to_cdecl" fi if test -z "$global_symbol_pipe$global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi ]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE # _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR # --------------------------------- AC_DEFUN([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR], [# Find the correct PATH separator. Usually this is `:', but # DJGPP uses `;' like DOS. if test "X${PATH_SEPARATOR+set}" != Xset; then UNAME=${UNAME-`uname 2>/dev/null`} case X$UNAME in *-DOS) lt_cv_sys_path_separator=';' ;; *) lt_cv_sys_path_separator=':' ;; esac fi ])# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR # _LT_AC_PROG_ECHO_BACKSLASH # -------------------------- # Add some code to the start of the generated configure script which # will find an echo command which doesn;t interpret backslashes. AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH], [ifdef([AC_DIVERSION_NOTICE], [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)], [AC_DIVERT_PUSH(NOTICE)]) _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR # Check that we are running under the correct shell. SHELL=${CONFIG_SHELL-/bin/sh} case "X$ECHO" in X*--fallback-echo) # Remove one level of quotation (which was required for Make). ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','` ;; esac echo=${ECHO-echo} if test "X[$]1" = X--no-reexec; then # Discard the --no-reexec flag, and continue. shift elif test "X[$]1" = X--fallback-echo; then # Avoid inline document here, it may be left over : elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then # Yippee, $echo works! : else # Restart under the correct shell. exec $SHELL "[$]0" --no-reexec ${1+"[$]@"} fi if test "X[$]1" = X--fallback-echo; then # used as fallback echo shift cat </dev/null && echo_test_string="`eval $cmd`" && (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null then break fi done fi if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then : else # The Solaris, AIX, and Digital Unix default echo programs unquote # backslashes. This makes it impossible to quote backslashes using # echo "$something" | sed 's/\\/\\\\/g' # # So, first we look for a working echo in the user's PATH. IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" for dir in $PATH /usr/ucb; do if (test -f $dir/echo || test -f $dir/echo$ac_exeext) && test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then echo="$dir/echo" break fi done IFS="$save_ifs" if test "X$echo" = Xecho; then # We didn't find a better echo, so look for alternatives. if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then # This shell has a builtin print -r that does the trick. echo='print -r' elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) && test "X$CONFIG_SHELL" != X/bin/ksh; then # If we have ksh, try running ltconfig again with it. ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} export ORIGINAL_CONFIG_SHELL CONFIG_SHELL=/bin/ksh export CONFIG_SHELL exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"} else # Try using printf. echo='printf %s\n' if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then # Cool, printf works : elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && test "X$echo_testing_string" = 'X\t' && echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL export CONFIG_SHELL SHELL="$CONFIG_SHELL" export SHELL echo="$CONFIG_SHELL [$]0 --fallback-echo" elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && test "X$echo_testing_string" = 'X\t' && echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then echo="$CONFIG_SHELL [$]0 --fallback-echo" else # maybe with a smaller string... prev=: for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null then break fi prev="$cmd" done if test "$prev" != 'sed 50q "[$]0"'; then echo_test_string=`eval $prev` export echo_test_string exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"} else # Oops. We lost completely, so just stick with echo. echo=echo fi fi fi fi fi fi # Copy echo and quote the copy suitably for passing to libtool from # the Makefile, instead of quoting the original, which is used later. ECHO=$echo if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo" fi AC_SUBST(ECHO) AC_DIVERT_POP ])# _LT_AC_PROG_ECHO_BACKSLASH AC_DEFUN([_LT_AC_LTCONFIG_HACK], [AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE]) # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed='sed -e s/^X//' [sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'] # Same as above, but do not quote variable references. [double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'] # Sed substitution to delay expansion of an escaped shell variable in a # double_quote_subst'ed string. delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' # Constants: rm="rm -f" # Global variables: default_ofile=libtool can_build_shared=yes # All known linkers require a `.a' archive for static linking (except M$VC, # which needs '.lib'). libext=a ltmain="$ac_aux_dir/ltmain.sh" ofile="$default_ofile" with_gnu_ld="$ac_cv_prog_gnu_ld" need_locks="$enable_libtool_lock" old_CC="$CC" old_CFLAGS="$CFLAGS" # Set sane defaults for various variables test -z "$AR" && AR=ar test -z "$AR_FLAGS" && AR_FLAGS=cru test -z "$AS" && AS=as test -z "$CC" && CC=cc test -z "$DLLTOOL" && DLLTOOL=dlltool test -z "$LD" && LD=ld test -z "$LN_S" && LN_S="ln -s" test -z "$MAGIC_CMD" && MAGIC_CMD=file test -z "$NM" && NM=nm test -z "$OBJDUMP" && OBJDUMP=objdump test -z "$RANLIB" && RANLIB=: test -z "$STRIP" && STRIP=: test -z "$ac_objext" && ac_objext=o if test x"$host" != x"$build"; then ac_tool_prefix=${host_alias}- else ac_tool_prefix= fi # Transform linux* to *-*-linux-gnu*, to support old configure scripts. case "$host_os" in linux-gnu*) ;; linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` esac case "$host_os" in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test "X${COLLECT_NAMES+set}" != Xset; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" fi # Allow CC to be a program name with arguments. set dummy $CC compiler="[$]2" ## FIXME: this should be a separate macro ## AC_MSG_CHECKING([for objdir]) rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. objdir=_libs fi rmdir .libs 2>/dev/null AC_MSG_RESULT($objdir) ## ## END FIXME ## FIXME: this should be a separate macro ## AC_ARG_WITH(pic, [dnl --with-pic try to use only PIC/non-PIC objects [default=use both]], pic_mode="$withval", pic_mode=default) test -z "$pic_mode" && pic_mode=default # We assume here that the value for ac_cv_prog_cc_pic will not be cached # in isolation, and that seeing it set (from the cache) indicates that # the associated values are set (in the cache) correctly too. AC_MSG_CHECKING([for $compiler option to produce PIC]) AC_CACHE_VAL(ac_cv_prog_cc_pic, [ ac_cv_prog_cc_pic= ac_cv_prog_cc_shlib= ac_cv_prog_cc_wl= ac_cv_prog_cc_static= ac_cv_prog_cc_no_builtin= ac_cv_prog_cc_can_build_shared=$can_build_shared if test "$ac_cv_prog_gcc" = yes; then ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static='-static' case "$host_os" in beos* | irix5* | irix6* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; aix*) # Below there is a dirty hack to force normal static linking with -ldl # The problem is because libdl dynamically linked with both libc and # libC (AIX C++ library), which obviously doesn't included in libraries # list by gcc. This cause undefined symbols with -static flags. # This hack allows C programs to be linked with "-static -ldl", but # we not sure about C++ programs. ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). ac_cv_prog_cc_pic='-DDLL_EXPORT' ;; amigaos*) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' ;; sysv4*MP*) if test -d /usr/nec; then ac_cv_prog_cc_pic=-Kconform_pic fi ;; *) ac_cv_prog_cc_pic='-fPIC' ;; esac else # PORTME Check for PIC flags for the system compiler. case "$host_os" in aix3* | aix4*) # All AIX code is PIC. ac_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' ;; hpux9* | hpux10* | hpux11*) # Is there a better ac_cv_prog_cc_static that works with the bundled CC? ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" ac_cv_prog_cc_pic='+Z' ;; irix5* | irix6*) ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static='-non_shared' # PIC (with -KPIC) is the default. ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). ac_cv_prog_cc_pic='-DDLL_EXPORT' ;; osf3* | osf4* | osf5*) # All OSF/1 code is PIC. ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static='-non_shared' ;; sco3.2v5*) ac_cv_prog_cc_pic='-Kpic' ac_cv_prog_cc_static='-dn' ac_cv_prog_cc_shlib='-belf' ;; solaris*) ac_cv_prog_cc_pic='-KPIC' ac_cv_prog_cc_static='-Bstatic' ac_cv_prog_cc_wl='-Wl,' ;; sunos4*) ac_cv_prog_cc_pic='-PIC' ac_cv_prog_cc_static='-Bstatic' ac_cv_prog_cc_wl='-Qoption ld ' ;; sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) ac_cv_prog_cc_pic='-KPIC' ac_cv_prog_cc_static='-Bstatic' ac_cv_prog_cc_wl='-Wl,' ;; uts4*) ac_cv_prog_cc_pic='-pic' ac_cv_prog_cc_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then ac_cv_prog_cc_pic='-Kconform_pic' ac_cv_prog_cc_static='-Bstatic' fi ;; *) ac_cv_prog_cc_can_build_shared=no ;; esac fi ]) if test -z "$ac_cv_prog_cc_pic"; then AC_MSG_RESULT([none]) else AC_MSG_RESULT([$ac_cv_prog_cc_pic]) # Check to make sure the pic_flag actually works. AC_MSG_CHECKING([if $compiler PIC flag $ac_cv_prog_cc_pic works]) AC_CACHE_VAL(ac_cv_prog_cc_pic_works, [dnl save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $ac_cv_prog_cc_pic -DPIC" AC_TRY_COMPILE([], [], [dnl case "$host_os" in hpux9* | hpux10* | hpux11*) # On HP-UX, both CC and GCC only warn that PIC is supported... then # they create non-PIC objects. So, if there were any warnings, we # assume that PIC is not supported. if test -s conftest.err; then ac_cv_prog_cc_pic_works=no else ac_cv_prog_cc_pic_works=yes fi ;; *) ac_cv_prog_cc_pic_works=yes ;; esac ], [dnl ac_cv_prog_cc_pic_works=no ]) CFLAGS="$save_CFLAGS" ]) if test "X$ac_cv_prog_cc_pic_works" = Xno; then ac_cv_prog_cc_pic= ac_cv_prog_cc_can_build_shared=no else ac_cv_prog_cc_pic=" $ac_cv_prog_cc_pic" fi AC_MSG_RESULT([$ac_cv_prog_cc_pic_works]) fi ## ## END FIXME # Check for any special shared library compilation flags. if test -n "$ac_cv_prog_cc_shlib"; then AC_MSG_WARN([\`$CC' requires \`$ac_cv_prog_cc_shlib' to build shared libraries]) if echo "$old_CC $old_CFLAGS " | [egrep -e "[ ]$ac_cv_prog_cc_shlib[ ]"] >/dev/null; then : else AC_MSG_WARN([add \`$ac_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure]) ac_cv_prog_cc_can_build_shared=no fi fi ## FIXME: this should be a separate macro ## AC_MSG_CHECKING([if $compiler static flag $ac_cv_prog_cc_static works]) AC_CACHE_VAL([ac_cv_prog_cc_static_works], [dnl ac_cv_prog_cc_static_works=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS $ac_cv_prog_cc_static" AC_TRY_LINK([], [], [ac_cv_prog_cc_static_works=yes]) LDFLAGS="$save_LDFLAGS" ]) # Belt *and* braces to stop my trousers falling down: test "X$ac_cv_prog_cc_static_works" = Xno && ac_cv_prog_cc_static= AC_MSG_RESULT([$ac_cv_prog_cc_static_works]) pic_flag="$ac_cv_prog_cc_pic" special_shlib_compile_flags="$ac_cv_prog_cc_shlib" wl="$ac_cv_prog_cc_wl" link_static_flag="$ac_cv_prog_cc_static" no_builtin_flag="$ac_cv_prog_cc_no_builtin" can_build_shared="$ac_cv_prog_cc_can_build_shared" ## ## END FIXME ## FIXME: this should be a separate macro ## # Check to see if options -o and -c are simultaneously supported by compiler AC_MSG_CHECKING([if $compiler supports -c -o file.o]) $rm -r conftest 2>/dev/null mkdir conftest cd conftest echo "int some_variable = 0;" > conftest.$ac_ext mkdir out # According to Tom Tromey, Ian Lance Taylor reported there are C compilers # that will create temporary files in the current directory regardless of # the output directory. 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openbsd*) archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; os2*) hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes allow_undefined_flag=unsupported archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' ;; osf3*) if test "$ac_cv_prog_gcc" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib' fi hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; osf4* | osf5*) # as osf3* with the addition of -msym flag if test "$ac_cv_prog_gcc" = yes; then allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else allow_undefined_flag=' -expect_unresolved \*' archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib' fi hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: ;; rhapsody*) archive_cmds='$CC -bundle -undefined suppress -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flags_spec='-L$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; sco3.2v5*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ;; solaris*) no_undefined_flag=' -z text' # $CC -shared without GNU ld will not create a library from C++ # object files and a static libstdc++, better avoid it by now archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' hardcode_libdir_flag_spec='-R$libdir' hardcode_shlibpath_var=no case "$host_os" in [solaris2.[0-5] | solaris2.[0-5].*]) ;; *) # Supported since Solaris 2.6 (maybe 2.5.1?) whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; esac link_all_deplibs=yes ;; sunos4*) if test "x$host_vendor" = xsequent; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv5*) no_undefined_flag=' -z text' # $CC -shared without GNU ld will not create a library from C++ # object files and a static libstdc++, better avoid it by now archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' hardcode_libdir_flag_spec= hardcode_shlibpath_var=no runpath_var='LD_RUN_PATH' ;; uts4*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; dgux*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_libdir_flag_spec='-L$libdir' hardcode_shlibpath_var=no ;; sysv4*MP*) if test -d /usr/nec; then archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no runpath_var=LD_RUN_PATH hardcode_runpath_var=yes ld_shlibs=yes fi ;; sysv4.2uw2*) archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' hardcode_direct=yes hardcode_minus_L=no hardcode_shlibpath_var=no hardcode_runpath_var=yes runpath_var=LD_RUN_PATH ;; unixware7*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no ;; *) ld_shlibs=no ;; esac fi AC_MSG_RESULT([$ld_shlibs]) test "$ld_shlibs" = no && can_build_shared=no ## ## END FIXME ## FIXME: this should be a separate macro ## # Check hardcoding attributes. AC_MSG_CHECKING([how to hardcode library paths into programs]) hardcode_action= if test -n "$hardcode_libdir_flag_spec" || \ test -n "$runpath_var"; then # We can hardcode non-existant directories. if test "$hardcode_direct" != no && # If the only mechanism to avoid hardcoding is shlibpath_var, we # have to relink, otherwise we might link with an installed library # when we should be linking with a yet-to-be-installed one ## test "$hardcode_shlibpath_var" != no && test "$hardcode_minus_L" != no; then # Linking always hardcodes the temporary library directory. hardcode_action=relink else # We can link without hardcoding, and we can hardcode nonexisting dirs. hardcode_action=immediate fi else # We cannot hardcode anything, or else we can only hardcode existing # directories. hardcode_action=unsupported fi AC_MSG_RESULT([$hardcode_action]) ## ## END FIXME ## FIXME: this should be a separate macro ## striplib= old_striplib= AC_MSG_CHECKING([whether stripping libraries is possible]) if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" test -z "$striplib" && striplib="$STRIP --strip-unneeded" AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi ## ## END FIXME reload_cmds='$LD$reload_flag -o $output$reload_objs' test -z "$deplibs_check_method" && deplibs_check_method=unknown ## FIXME: this should be a separate macro ## # PORTME Fill in your ld.so characteristics AC_MSG_CHECKING([dynamic linker characteristics]) library_names_spec= libname_spec='lib$name' soname_spec= postinstall_cmds= postuninstall_cmds= finish_cmds= finish_eval= shlibpath_var= shlibpath_overrides_runpath=unknown version_type=none dynamic_linker="$host_os ld.so" sys_lib_dlsearch_path_spec="/lib /usr/lib" sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" case "$host_os" in aix3*) version_type=linux library_names_spec='${libname}${release}.so$versuffix $libname.a' shlibpath_var=LIBPATH # AIX has no versioning support, so we append a major version to the name. soname_spec='${libname}${release}.so$major' ;; aix4*) version_type=linux # AIX has no versioning support, so currently we can not hardcode correct # soname into executable. Probably we can add versioning support to # collect2, so additional links can be useful in future. # We preserve .a as extension for shared libraries though AIX4.2 # and later linker supports .so library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a' shlibpath_var=LIBPATH ;; amigaos*) library_names_spec='$libname.ixlibrary $libname.a' # Create ${libname}_ixlibrary.a entries in /sys/libs. 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 ${libname}_ixlibrary.a) || exit 1; done' ;; beos*) library_names_spec='${libname}.so' dynamic_linker="$host_os ld.so" shlibpath_var=LIBRARY_PATH lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; bsdi4*) version_type=linux need_version=no library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' soname_spec='${libname}${release}.so$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" export_dynamic_flag_spec=-rdynamic # the default ld.so.conf also contains /usr/contrib/lib and # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow # libtool to hard-code these into programs ;; cygwin* | mingw* | pw32*) version_type=windows need_version=no need_lib_prefix=no if test "$ac_cv_prog_gcc" = yes; then library_names_spec='${libname}`echo ${release} | [sed -e 's/[.]/-/g']`${versuffix}.dll' else library_names_spec='${libname}`echo ${release} | [sed -e 's/[.]/-/g']`${versuffix}.dll $libname.lib' fi dynamic_linker='Win32 ld.exe' # FIXME: first we should search . and the directory the executable is in shlibpath_var=PATH lt_cv_dlopen="LoadLibrary" lt_cv_dlopen_libs= ;; freebsd1*) dynamic_linker=no ;; freebsd*) objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout` version_type=freebsd-$objformat case "$version_type" in freebsd-elf*) library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' need_version=no need_lib_prefix=no ;; freebsd-*) library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix' need_version=yes ;; esac shlibpath_var=LD_LIBRARY_PATH case "$host_os" in freebsd2*) shlibpath_overrides_runpath=yes ;; *) shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; esac ;; gnu*) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so' soname_spec='${libname}${release}.so$major' shlibpath_var=LD_LIBRARY_PATH hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. dynamic_linker="$host_os dld.sl" version_type=sunos need_lib_prefix=no need_version=no shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl' soname_spec='${libname}${release}.sl$major' # HP-UX runs *really* slowly unless shared libraries are mode 555. postinstall_cmds='chmod 555 $lib' ;; irix5* | irix6*) version_type=irix need_lib_prefix=no need_version=no soname_spec='${libname}${release}.so$major' library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so' case "$host_os" in irix5*) libsuff= shlibsuff= ;; *) case "$LD" in # libtool.m4 will add one of these switches to LD *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" ;; # No shared lib support for Linux oldld, aout, or coff. linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*) dynamic_linker=no ;; # This must be Linux ELF. linux-gnu*) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' soname_spec='${libname}${release}.so$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. Since this was broken with cross compilers, # most powerpc-linux boxes support dynamic linking these days and # people can always --disable-shared, the test was removed, and we # assume the GNU/Linux dynamic linker is in use. dynamic_linker='GNU/Linux ld.so' ;; netbsd*) version_type=sunos if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' dynamic_linker='NetBSD (a.out) ld.so' else [deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'] file_magic_cmd=/usr/bin/file file_magic_test_file=`echo /usr/lib/libc.so*` library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so' soname_spec='${libname}${release}.so$major' dynamic_linker='NetBSD ld.elf_so' fi shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes ;; openbsd*) version_type=sunos if test "$with_gnu_ld" = yes; then need_lib_prefix=no need_version=no fi library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' shlibpath_var=LD_LIBRARY_PATH ;; os2*) libname_spec='$name' need_lib_prefix=no library_names_spec='$libname.dll $libname.a' dynamic_linker='OS/2 ld.exe' shlibpath_var=LIBPATH ;; osf3* | osf4* | osf5*) version_type=osf need_version=no soname_spec='${libname}${release}.so' library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' shlibpath_var=LD_LIBRARY_PATH sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" ;; rhapsody*) version_type=sunos library_names_spec='${libname}.so' soname_spec='${libname}.so' shlibpath_var=DYLD_LIBRARY_PATH deplibs_check_method=pass_all ;; sco3.2v5*) version_type=osf soname_spec='${libname}${release}.so$major' library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' shlibpath_var=LD_LIBRARY_PATH ;; solaris*) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' soname_spec='${libname}${release}.so$major' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes hardcode_into_libs=yes # ldd complains unless libraries are executable postinstall_cmds='chmod +x $lib' ;; sunos4*) version_type=sunos library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=yes if test "$with_gnu_ld" = yes; then need_lib_prefix=no fi need_version=yes ;; sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) version_type=linux library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' soname_spec='${libname}${release}.so$major' shlibpath_var=LD_LIBRARY_PATH case "$host_vendor" in sequent) file_magic_cmd='/bin/file' [deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'] ;; motorola) need_lib_prefix=no need_version=no shlibpath_overrides_runpath=no sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' ;; esac ;; uts4*) version_type=linux library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' soname_spec='${libname}${release}.so$major' shlibpath_var=LD_LIBRARY_PATH ;; dgux*) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' soname_spec='${libname}${release}.so$major' shlibpath_var=LD_LIBRARY_PATH ;; sysv4*MP*) if test -d /usr/nec ;then version_type=linux library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so' soname_spec='$libname.so.$major' shlibpath_var=LD_LIBRARY_PATH fi ;; *) dynamic_linker=no ;; esac AC_MSG_RESULT([$dynamic_linker]) test "$dynamic_linker" = no && can_build_shared=no ## ## END FIXME ## FIXME: this should be a separate macro ## # Report the final consequences. AC_MSG_CHECKING([if libtool supports shared libraries]) AC_MSG_RESULT([$can_build_shared]) ## ## END FIXME if test "$hardcode_action" = relink; then # Fast installation is not supported enable_fast_install=no elif test "$shlibpath_overrides_runpath" = yes || test "$enable_shared" = no; then # Fast installation is not necessary enable_fast_install=needless fi variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test "$ac_cv_prog_gcc" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi ## FIXME: this should be a separate macro ## if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= AC_CHECK_LIB(dl, dlopen, [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], [AC_CHECK_FUNC(dlopen, lt_cv_dlopen="dlopen", [AC_CHECK_FUNC(shl_load, lt_cv_dlopen="shl_load", [AC_CHECK_LIB(svld, dlopen, [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], [AC_CHECK_LIB(dld, shl_load, [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-dld"]) ]) ]) ]) ]) if test "x$lt_cv_dlopen" != xno; then enable_dlopen=yes else enable_dlopen=no fi case "$lt_cv_dlopen" in dlopen) save_CPPFLAGS="$CPP_FLAGS" save_LDFLAGS="$LD_FLAGS" save_LIBS="$LIBS" AC_CHECK_HEADER(dlfcn.h, CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H") eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" LIBS="$lt_cv_dlopen_libs $LIBS" AC_MSG_CHECKING([whether a program can dlopen itself]) AC_TRY_RUN([ #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LTDL_GLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LTDL_GLOBAL DL_GLOBAL # else # define LTDL_GLOBAL 0 # endif #endif /* We may have to define LTDL_LAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LTDL_LAZY_OR_NOW # ifdef RTLD_LAZY # define LTDL_LAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LTDL_LAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LTDL_LAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LTDL_LAZY_OR_NOW DL_NOW # else # define LTDL_LAZY_OR_NOW 0 # endif # endif # endif # endif #endif fnord() { int i=42;} main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } ], lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) AC_MSG_RESULT([$lt_cv_dlopen_self]) if test "$lt_cv_dlopen_self" = yes; then LDFLAGS="$LDFLAGS $link_static_flag" AC_MSG_CHECKING([whether a statically linked program can dlopen itself]) AC_TRY_RUN([ #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LTDL_GLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LTDL_GLOBAL DL_GLOBAL # else # define LTDL_GLOBAL 0 # endif #endif /* We may have to define LTDL_LAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LTDL_LAZY_OR_NOW # ifdef RTLD_LAZY # define LTDL_LAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LTDL_LAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LTDL_LAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LTDL_LAZY_OR_NOW DL_NOW # else # define LTDL_LAZY_OR_NOW 0 # endif # endif # endif # endif #endif fnord() { int i=42;} main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } ], lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) AC_MSG_RESULT([$lt_cv_dlopen_self_static]) fi CPPFLAGS="$save_CPPFLAGS" LDFLAGS="$save_LDFLAGS" LIBS="$save_LIBS" ;; esac case "$lt_cv_dlopen_self" in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case "$lt_cv_dlopen_self_static" in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi ## ## END FIXME ## FIXME: this should be a separate macro ## if test "$enable_shared" = yes && test "$ac_cv_prog_gcc" = yes; then case "$archive_cmds" in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. If gcc already passes -lc # to ld, don't add -lc before -lgcc. AC_MSG_CHECKING([whether -lc should be explicitly linked in]) AC_CACHE_VAL([ac_cv_archive_cmds_need_lc], [$rm conftest* echo 'static int dummy;' > conftest.c if AC_TRY_EVAL(ac_compile); then soname=conftest lib=conftest libobjs=conftest.$ac_objext deplibs= wl=$ac_cv_prog_cc_wl compiler_flags=-v linker_flags=-v verstring= output_objdir=. libname=conftest save_allow_undefined_flag=$allow_undefined_flag allow_undefined_flag= if AC_TRY_EVAL(archive_cmds 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1) then ac_cv_archive_cmds_need_lc=no else ac_cv_archive_cmds_need_lc=yes fi allow_undefined_flag=$save_allow_undefined_flag else cat conftest.err 1>&5 fi]) AC_MSG_RESULT([$ac_cv_archive_cmds_need_lc]) ;; esac fi need_lc=${ac_cv_archive_cmds_need_lc-yes} ## ## END FIXME ## FIXME: this should be a separate macro ## # The second clause should only fire when bootstrapping the # libtool distribution, otherwise you forgot to ship ltmain.sh # with your package, and you will get complaints that there are # no rules to generate ltmain.sh. if test -f "$ltmain"; then : else # If there is no Makefile yet, we rely on a make rule to execute # `config.status --recheck' to rerun these tests and create the # libtool script then. test -f Makefile && make "$ltmain" fi if test -f "$ltmain"; then trap "$rm \"${ofile}T\"; exit 1" 1 2 15 $rm -f "${ofile}T" echo creating $ofile # Now quote all the things that may contain metacharacters while being # careful not to overquote the AC_SUBSTed values. 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See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Sed that helps us avoid accidentally triggering echo(1) options like -n. Xsed="sed -e s/^X//" # The HP-UX ksh and POSIX shell print the target directory to stdout # if CDPATH is set. if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi # ### BEGIN LIBTOOL CONFIG # Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: # Shell to use when invoking shell scripts. SHELL=$lt_SHELL # Whether or not to build shared libraries. build_libtool_libs=$enable_shared # Whether or not to add -lc for building shared libraries. build_libtool_need_lc=$need_lc # Whether or not to build static libraries. build_old_libs=$enable_static # Whether or not to optimize for fast installation. fast_install=$enable_fast_install # The host system. host_alias=$host_alias host=$host # An echo program that does not interpret backslashes. echo=$lt_echo # The archiver. AR=$lt_AR AR_FLAGS=$lt_AR_FLAGS # The default C compiler. CC=$lt_CC # Is the compiler the GNU C compiler? with_gcc=$ac_cv_prog_gcc # The linker used to build libraries. LD=$lt_LD # Whether we need hard or soft links. LN_S=$lt_LN_S # A BSD-compatible nm program. NM=$lt_NM # A symbol stripping program STRIP=$STRIP # Used to examine libraries when file_magic_cmd begins "file" MAGIC_CMD=$MAGIC_CMD # Used on cygwin: DLL creation program. DLLTOOL="$DLLTOOL" # Used on cygwin: object dumper. 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Don't remove nor modify the # starting and closing comments # /* impgen.c starts here */ # /* Copyright (C) 1999-2000 Free Software Foundation, Inc. # # This file is part of GNU libtool. # # 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. # */ # # #include /* for printf() */ # #include /* for open(), lseek(), read() */ # #include /* for O_RDONLY, O_BINARY */ # #include /* for strdup() */ # # /* O_BINARY isn't required (or even defined sometimes) under Unix */ # #ifndef O_BINARY # #define O_BINARY 0 # #endif # # static unsigned int # pe_get16 (fd, offset) # int fd; # int offset; # { # [unsigned char b[2];] # lseek (fd, offset, SEEK_SET); # read (fd, b, 2); # [return b[0] + (b[1]<<8);] # } # # static unsigned int # pe_get32 (fd, offset) # int fd; # int offset; # { # [unsigned char b[4];] # lseek (fd, offset, SEEK_SET); # read (fd, b, 4); # [return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);] # } # # static unsigned int # pe_as32 (ptr) # void *ptr; # { # unsigned char *b = ptr; # [return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);] # } # # int # main (argc, argv) # int argc; # [char *argv[];] # { # int dll; # unsigned long pe_header_offset, opthdr_ofs, num_entries, i; # unsigned long export_rva, export_size, nsections, secptr, expptr; # unsigned long name_rvas, nexp; # unsigned char *expdata, *erva; # char *filename, *dll_name; # # [filename = argv[1];] # # dll = open(filename, O_RDONLY|O_BINARY); # if (!dll) # return 1; # # dll_name = filename; # # [for (i=0; filename[i]; i++)] # [if (filename[i] == '/' || filename[i] == '\\' || filename[i] == ':')] # dll_name = filename + i +1; # # pe_header_offset = pe_get32 (dll, 0x3c); # opthdr_ofs = pe_header_offset + 4 + 20; # num_entries = pe_get32 (dll, opthdr_ofs + 92); # # if (num_entries < 1) /* no exports */ # return 1; # # export_rva = pe_get32 (dll, opthdr_ofs + 96); # export_size = pe_get32 (dll, opthdr_ofs + 100); # nsections = pe_get16 (dll, pe_header_offset + 4 +2); # secptr = (pe_header_offset + 4 + 20 + # pe_get16 (dll, pe_header_offset + 4 + 16)); # # expptr = 0; # for (i = 0; i < nsections; i++) # { # [char sname[8];] # unsigned long secptr1 = secptr + 40 * i; # unsigned long vaddr = pe_get32 (dll, secptr1 + 12); # unsigned long vsize = pe_get32 (dll, secptr1 + 16); # unsigned long fptr = pe_get32 (dll, secptr1 + 20); # lseek(dll, secptr1, SEEK_SET); # read(dll, sname, 8); # if (vaddr <= export_rva && vaddr+vsize > export_rva) # { # expptr = fptr + (export_rva - vaddr); # if (export_rva + export_size > vaddr + vsize) # export_size = vsize - (export_rva - vaddr); # break; # } # } # # expdata = (unsigned char*)malloc(export_size); # lseek (dll, expptr, SEEK_SET); # read (dll, expdata, export_size); # erva = expdata - export_rva; # # nexp = pe_as32 (expdata+24); # name_rvas = pe_as32 (expdata+32); # # printf ("EXPORTS\n"); # for (i = 0; i> "${ofile}T" || (rm -f "${ofile}T"; exit 1) mv -f "${ofile}T" "$ofile" || \ (rm -f "$ofile" && cp "${ofile}T" "$ofile" && rm -f "${ofile}T") chmod +x "$ofile" fi ## ## END FIXME ])# _LT_AC_LTCONFIG_HACK # AC_LIBTOOL_DLOPEN - enable checks for dlopen support AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) # AC_ENABLE_SHARED - implement the --enable-shared flag # Usage: AC_ENABLE_SHARED[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. 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[lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library'] lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` ;; esac else lt_cv_deplibs_check_method=pass_all fi ;; gnu*) lt_cv_deplibs_check_method=pass_all ;; hpux10.20*) # TODO: Does this work for hpux-11 too? [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'] lt_cv_file_magic_cmd=/usr/bin/file lt_cv_file_magic_test_file=/usr/lib/libc.sl ;; irix5* | irix6*) case "$host_os" in irix5*) # this will be overridden with pass_all, but let us keep it just in case lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" ;; *) case "$LD" in *-32|*"-32 ") libmagic=32-bit;; *-n32|*"-n32 ") libmagic=N32;; *-64|*"-64 ") libmagic=64-bit;; *) libmagic=never-match;; esac # this will be overridden with pass_all, but let us keep it just in case [lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"] ;; esac lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*` lt_cv_deplibs_check_method=pass_all ;; # This must be Linux ELF. linux-gnu*) case "$host_cpu" in alpha* | i*86 | powerpc* | sparc* | ia64* ) lt_cv_deplibs_check_method=pass_all ;; *) # glibc up to 2.1.1 does not perform some relocations on ARM [lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' ;;] esac lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so` ;; netbsd*) if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then : else [lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object'] lt_cv_file_magic_cmd='/usr/bin/file -L' lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` fi ;; osf3* | osf4* | osf5*) # this will be overridden with pass_all, but let us keep it just in case lt_cv_deplibs_check_method='file_magic COFF format alpha shared library' lt_cv_file_magic_test_file=/shlib/libc.so lt_cv_deplibs_check_method=pass_all ;; sco3.2v5*) lt_cv_deplibs_check_method=pass_all ;; solaris*) lt_cv_deplibs_check_method=pass_all lt_cv_file_magic_test_file=/lib/libc.so ;; sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) case "$host_vendor" in ncr) lt_cv_deplibs_check_method=pass_all ;; motorola) [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]'] lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` ;; esac ;; esac ]) file_magic_cmd=$lt_cv_file_magic_cmd deplibs_check_method=$lt_cv_deplibs_check_method ]) # 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="${IFS}${PATH_SEPARATOR-:}" for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do test -z "$ac_dir" && ac_dir=. tmp_nm=$ac_dir/${ac_tool_prefix}nm if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; 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 # Tru64's nm complains that /dev/null is an invalid object file if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then ac_cv_path_NM="$tmp_nm -B" break elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then ac_cv_path_NM="$tmp_nm -p" break else ac_cv_path_NM=${ac_cv_path_NM="$tmp_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_CHECK_LIBM - check for math library AC_DEFUN(AC_CHECK_LIBM, [AC_REQUIRE([AC_CANONICAL_HOST])dnl LIBM= case "$host" in *-*-beos* | *-*-cygwin* | *-*-pw32*) # These system don't have libm ;; *-ncr-sysv4.3*) AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") ;; *) AC_CHECK_LIB(m, main, LIBM="-lm") ;; esac ]) # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for # the libltdl convenience library and INCLTDL to the include flags for # the libltdl header and adds --enable-ltdl-convenience to the # configure arguments. 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