diff options
Diffstat (limited to 'ltdl.m4')
| -rw-r--r-- | ltdl.m4 | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/ltdl.m4 b/ltdl.m4 deleted file mode 100644 index 6a53da1..0000000 --- a/ltdl.m4 +++ /dev/null @@ -1,519 +0,0 @@ -## ltdl.m4 - Configure ltdl for the target system. -*-Shell-script-*- -## Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. -## -## 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 1 AC_LIB_LTDL - -AC_DEFUN([AC_LIB_LTDL], -[AC_PREREQ(2.13)dnl -AC_REQUIRE([AC_PROG_CC])dnl -AC_REQUIRE([AC_C_CONST])dnl -AC_REQUIRE([AC_C_INLINE])dnl -AC_REQUIRE([AC_LIB_LTDL_COMMON])dnl -]) - -AC_DEFUN([KDE_LIB_LTDL], -[AC_PREREQ(2.13)dnl -AC_REQUIRE([AC_PROG_CC])dnl -AC_REQUIRE([AC_LIB_LTDL_COMMON])dnl -]) - -AC_DEFUN([AC_LIB_LTDL_COMMON], -[dnl -dnl AC_LIB_LTDL must perform all the checks necessary for compilation -dnl of the ltdl objects -- including compiler checks (above) and header -dnl checks (below). -AC_REQUIRE([AC_HEADER_STDC])dnl - -AC_CHECK_HEADERS(malloc.h memory.h stdlib.h stdio.h ctype.h dlfcn.h dl.h dld.h) -AC_CHECK_HEADERS(string.h strings.h, break) -AC_CHECK_FUNCS(strchr index, break) -AC_CHECK_FUNCS(strrchr rindex, break) -AC_CHECK_FUNCS(memcpy bcopy, break) -AC_CHECK_FUNCS(strcmp) - -AC_REQUIRE([AC_LTDL_ENABLE_INSTALL])dnl -AC_REQUIRE([AC_LTDL_SHLIBEXT])dnl -AC_REQUIRE([AC_LTDL_SHLIBPATH])dnl -AC_REQUIRE([AC_LTDL_SYSSEARCHPATH])dnl -AC_REQUIRE([AC_LTDL_OBJDIR])dnl -AC_REQUIRE([AC_LTDL_DLPREOPEN])dnl -AC_REQUIRE([AC_LTDL_DLLIB])dnl -AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl -AC_REQUIRE([AC_LTDL_DLSYM_USCORE])dnl -AC_REQUIRE([AC_LTDL_SYS_DLOPEN_DEPLIBS])dnl -]) - -AC_DEFUN([AC_LTDL_ENABLE_INSTALL], -[AC_ARG_ENABLE(ltdl-install, -AC_HELP_STRING([--enable-ltdl-install],[install libltdl])) - -AM_CONDITIONAL(INSTALL_LTDL, test x"${enable_ltdl_install-no}" != xno) -AM_CONDITIONAL(CONVENIENCE_LTDL, test x"${enable_ltdl_convenience-no}" != xno) -])]) - - -AC_DEFUN([AC_LTDL_SNARF_CONFIG], -[# Read the libtool configuration -rm -f conftest -./libtool --config > conftest -. ./conftest -rm -f conftest -]) - -# AC_LTDL_SYS_DLOPEN_DEPLIBS -# -------------------------- -AC_DEFUN([AC_LTDL_SYS_DLOPEN_DEPLIBS], -[AC_REQUIRE([AC_CANONICAL_HOST]) -AC_CACHE_CHECK([whether deplibs are loaded by dlopen], - libltdl_cv_sys_dlopen_deplibs, [dnl - # PORTME does your system automatically load deplibs for dlopen()? - libltdl_cv_sys_dlopen_deplibs=unknown - case "$host_os" in - cygwin*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - darwin*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - linux*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - netbsd*|openbsd*|freebsd*|dragonfly*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - solaris*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - hpux*|irix*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - osf*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - esac -]) -if test "$libltdl_cv_sys_dlopen_deplibs" != yes; then - AC_DEFINE(LTDL_DLOPEN_DEPLIBS, 1, - [Define if the OS needs help to load dependent libraries for dlopen(). ]) -fi -])# AC_LTDL_SYS_DLOPEN_DEPLIBS - -AC_DEFUN([AC_LTDL_SHLIBEXT], -[AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl -AC_CACHE_CHECK([which extension is used for shared libraries], - libltdl_cv_shlibext, [dnl -( - last= - case "$host_os" in - cygwin* | mingw*) - last=".dll" - ;; - *) - for spec in $library_names_spec; do - last="$spec" - done - ;; - esac -changequote(, ) - echo "$last" | sed 's/\[.*\]//;s/^[^.]*//;s/\$.*$//;s/\.$//' > conftest -changequote([, ]) -) -libltdl_cv_shlibext=`cat conftest` -rm -f conftest -]) -if test -n "$libltdl_cv_shlibext"; then - AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext", - [Define to the extension used for shared libraries, say, ".so". ]) -fi -]) - -AC_DEFUN([AC_LTDL_SHLIBPATH], -[AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl -AC_CACHE_CHECK([which variable specifies run-time library path], - libltdl_cv_shlibpath_var, [libltdl_cv_shlibpath_var="$shlibpath_var"]) -if test -n "$libltdl_cv_shlibpath_var"; then - AC_DEFINE_UNQUOTED(LTDL_SHLIBPATH_VAR, "$libltdl_cv_shlibpath_var", - [Define to the name of the environment variable that determines the dynamic library search path. ]) -fi -]) - -AC_DEFUN([AC_LTDL_SYSSEARCHPATH], -[AC_REQUIRE([AC_LTDL_SNARF_CONFIG])dnl -AC_CACHE_CHECK([for the default library search path], - libltdl_cv_sys_search_path, [libltdl_cv_sys_search_path="$sys_lib_dlsearch_path_spec"]) -if test -n "$libltdl_cv_sys_search_path"; then - case "$host" in - *-*-mingw*) pathsep=";" ;; - *) pathsep=":" ;; - esac - sys_search_path= - for dir in $libltdl_cv_sys_search_path; do - if test -z "$sys_search_path"; then - sys_search_path="$dir" - else - sys_search_path="$sys_search_path$pathsep$dir" - fi - done - AC_DEFINE_UNQUOTED(LTDL_SYSSEARCHPATH, "$sys_search_path", - [Define to the system default library search path. ]) -fi -]) - -AC_DEFUN([AC_LTDL_OBJDIR], -[AC_CACHE_CHECK([for objdir], - libltdl_cv_objdir, [libltdl_cv_objdir="$objdir" -if test -n "$objdir"; then - : -else - rm -f .libs 2>/dev/null - mkdir .libs 2>/dev/null - if test -d .libs; then - libltdl_cv_objdir=.libs - else - # MS-DOS does not allow filenames that begin with a dot. - libltdl_cv_objdir=_libs - fi -rmdir .libs 2>/dev/null -fi]) -AC_DEFINE_UNQUOTED(LTDL_OBJDIR, "$libltdl_cv_objdir/", - [Define to the sub-directory in which libtool stores uninstalled libraries. ]) -]) - -AC_DEFUN([AC_LTDL_DLPREOPEN], -[AC_REQUIRE([AC_LTDL_GLOBAL_SYMBOL_PIPE])dnl -AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen], - libltdl_cv_preloaded_symbols, [dnl - if test -n "$global_symbol_pipe"; then - libltdl_cv_preloaded_symbols=yes - else - libltdl_cv_preloaded_symbols=no - fi -]) -if test x"$libltdl_cv_preloaded_symbols" = x"yes"; then - AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1, - [Define if libtool can extract symbol lists from object files. ]) -fi -]) - -AC_DEFUN([AC_LTDL_DLLIB], -[LIBADD_DL= -AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_LIBDL, 1, - [Define if you have the libdl library or equivalent. ]) LIBADD_DL="-ldl"], -[AC_CHECK_FUNC(dlopen, [AC_DEFINE(HAVE_LIBDL, 1, - [Define if you have the libdl library or equivalent.])], -[AC_CHECK_LIB(svld, dlopen, [AC_DEFINE(HAVE_LIBDL, 1, - [Define if you have the libdl library or equivalent.]) LIBADD_DL="-lsvld"] -)])]) -AC_CHECK_FUNC(shl_load, [AC_DEFINE(HAVE_SHL_LOAD, 1, - [Define if you have the shl_load function.])], -[AC_CHECK_LIB(dld, shl_load, - [AC_DEFINE(HAVE_SHL_LOAD, 1, - [Define if you have the shl_load function.]) - LIBADD_DL="$LIBADD_DL -ldld"]) -]) -AC_CHECK_LIB(dld, dld_link, [AC_DEFINE(HAVE_DLD, 1, - [Define if you have the GNU dld library.])dnl -test "x$ac_cv_lib_dld_shl_load" = yes || LIBADD_DL="$LIBADD_DL -ldld"]) -AC_SUBST(LIBADD_DL) - -if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then - LIBS_SAVE="$LIBS" - LIBS="$LIBS $LIBADD_DL" - AC_CHECK_FUNCS(dlerror) - LIBS="$LIBS_SAVE" -fi -]) - -AC_DEFUN([AC_LTDL_GLOBAL_SYMBOL_PIPE], -[dnl Check for command to grab the raw symbol name followed -dnl by C symbol name from nm. -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 \2\3 \3' - -# Transform an extracted symbol line into a proper C declaration -ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" - -# Define system-specific variables. -case "$host_os" in -aix*) - ac_symcode='[BCDT]' - ;; -cygwin* | mingw*) - ac_symcode='[ABCDGISTW]' - ;; -hpux*) - ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" - ;; -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 - - ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($ac_symcode\)[ ][ ]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'" - - # Check to see that the pipe works correctly. - ac_pipe_works=no - rm -f conftest.$ac_ext - cat > conftest.$ac_ext <<EOF -#ifdef __cplusplus -extern "C" { -#endif -char nm_test_var; -void nm_test_func(){} -#ifdef __cplusplus -} -#endif -int main(){nm_test_var='a';nm_test_func;return 0;} -EOF - - if AC_TRY_EVAL(ac_compile); then - # Now try to grab the symbols. - ac_nlist=conftest.nm - - if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$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 "$ac_nlist"T - fi - - # Make sure that we snagged all the symbols we need. - if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then - if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then - cat <<EOF > conftest.$ac_ext -#ifdef __cplusplus -extern "C" { -#endif - -EOF - # Now generate the symbol file. - eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.$ac_ext' - - cat <<EOF >> conftest.$ac_ext -#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/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.$ac_ext - cat <<\EOF >> conftest.$ac_ext - {0, (lt_ptr_t) 0} -}; - -#ifdef __cplusplus -} -#endif -EOF - # Now try linking the two files. - mv conftest.$ac_objext conftstm.$ac_objext - ac_save_LIBS="$LIBS" - ac_save_CFLAGS="$CFLAGS" - LIBS="conftstm.$ac_objext" - CFLAGS="$CFLAGS$no_builtin_flag" - if AC_TRY_EVAL(ac_link) && test -s conftest; then - ac_pipe_works=yes - else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.$ac_ext >&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.$ac_ext >&AC_FD_CC - fi - rm -rf conftest* conftst* - - # Do not use the global_symbol_pipe unless it works. - if test "$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($ac_result) -]) - -AC_DEFUN([AC_LTDL_SYMBOL_USCORE], -[dnl does the compiler prefix global symbols with an underscore? -AC_REQUIRE([AC_LTDL_GLOBAL_SYMBOL_PIPE])dnl -AC_MSG_CHECKING([for _ prefix in compiled symbols]) -AC_CACHE_VAL(ac_cv_sys_symbol_underscore, -[ac_cv_sys_symbol_underscore=no -cat > conftest.$ac_ext <<EOF -void nm_test_func(){} -int main(){nm_test_func;return 0;} -EOF -if AC_TRY_EVAL(ac_compile); then - # Now try to grab the symbols. - ac_nlist=conftest.nm - if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$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 $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC - fi -else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.$ac_ext >&AC_FD_CC -fi -rm -rf conftest* -]) -AC_MSG_RESULT($ac_cv_sys_symbol_underscore) -]) - -AC_DEFUN([AC_LTDL_DLSYM_USCORE], -[AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl -if test x"$ac_cv_sys_symbol_underscore" = xyes; then - if test x"$ac_cv_func_dlopen" = xyes || - test x"$ac_cv_lib_dl_dlopen" = xyes ; then - AC_CACHE_CHECK([whether we have to add an underscore for dlsym], - libltdl_cv_need_uscore, [dnl - AC_TRY_RUN([ -#if HAVE_DLFCN_H -#include <dlfcn.h> -#endif - -#include <stdio.h> - -#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 - -void fnord() { int i=42;} -int 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); } -], libltdl_cv_need_uscore=no, libltdl_cv_need_uscore=yes, - libltdl_cv_need_uscore=cross -)]) - fi -fi - -case "$host_os" in - cygwin* | mingw*) - libltdl_cv_need_uscore=no - ;; -esac -if test x"$libltdl_cv_need_uscore" = xyes; then - AC_DEFINE(NEED_USCORE, 1, - [Define if dlsym() requires a leading underscode in symbol names. ]) -fi -]) |