diff options
Diffstat (limited to 'ltdl.m4')
| -rw-r--r-- | ltdl.m4 | 431 |
1 files changed, 0 insertions, 431 deletions
diff --git a/ltdl.m4 b/ltdl.m4 deleted file mode 100644 index aa6a0d13..00000000 --- a/ltdl.m4 +++ /dev/null @@ -1,431 +0,0 @@ -## ltdl.m4 - Configure ltdl for the target system. -*-Autoconf-*- -## Copyright (C) 1999-2000 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., 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 6 AC_LIB_LTDL -# Debian $Rev: 214 $ - -# AC_WITH_LTDL -# ------------ -# Clients of libltdl can use this macro to allow the installer to -# choose between a shipped copy of the ltdl sources or a preinstalled -# version of the library. -AC_DEFUN([AC_WITH_LTDL], -[AC_REQUIRE([AC_LIB_LTDL]) -AC_SUBST([LIBLTDL]) -AC_SUBST([INCLTDL]) - -# Unless the user asks us to check, assume no installed ltdl exists. -use_installed_libltdl=no - -AC_ARG_WITH([included_ltdl], - [ --with-included-ltdl use the GNU ltdl sources included here]) - -if test "x$with_included_ltdl" != xyes; then - # We are not being forced to use the included libltdl sources, so - # decide whether there is a useful installed version we can use. - AC_CHECK_HEADER([ltdl.h], - [AC_CHECK_LIB([ltdl], [lt_dlcaller_register], - [with_included_ltdl=no], - [with_included_ltdl=yes]) - ]) -fi - -if test "x$enable_ltdl_install" != xyes; then - # If the user did not specify an installable libltdl, then default - # to a convenience lib. - AC_LIBLTDL_CONVENIENCE -fi - -if test "x$with_included_ltdl" = xno; then - # If the included ltdl is not to be used. then Use the - # preinstalled libltdl we found. - AC_DEFINE([HAVE_LTDL], 1, - [Define this if a modern libltdl is already installed]) - LIBLTDL=-lltdl -fi - -# Report our decision... -AC_MSG_CHECKING([whether to use included libltdl]) -AC_MSG_RESULT([$with_included_ltdl]) - -AC_CONFIG_SUBDIRS([libltdl]) -])# AC_WITH_LTDL - - -# AC_LIB_LTDL -# ----------- -# Perform all the checks necessary for compilation of the ltdl objects -# -- including compiler checks and header checks. -AC_DEFUN([AC_LIB_LTDL], -[AC_PREREQ(2.50) -AC_REQUIRE([AC_PROG_CC]) -AC_REQUIRE([AC_C_CONST]) -AC_REQUIRE([AC_HEADER_STDC]) -AC_REQUIRE([AC_HEADER_DIRENT]) -AC_REQUIRE([_LT_AC_CHECK_DLFCN]) -AC_REQUIRE([AC_LTDL_ENABLE_INSTALL]) -AC_REQUIRE([AC_LTDL_SHLIBEXT]) -AC_REQUIRE([AC_LTDL_SHLIBPATH]) -AC_REQUIRE([AC_LTDL_SYSSEARCHPATH]) -AC_REQUIRE([AC_LTDL_OBJDIR]) -AC_REQUIRE([AC_LTDL_DLPREOPEN]) -AC_REQUIRE([AC_LTDL_DLLIB]) -AC_REQUIRE([AC_LTDL_SYMBOL_USCORE]) -AC_REQUIRE([AC_LTDL_DLSYM_USCORE]) -AC_REQUIRE([AC_LTDL_SYS_DLOPEN_DEPLIBS]) -AC_REQUIRE([AC_LTDL_FUNC_ARGZ]) - -AC_CHECK_HEADERS([assert.h ctype.h errno.h malloc.h memory.h stdlib.h \ - stdio.h unistd.h]) -AC_CHECK_HEADERS([dl.h sys/dl.h dld.h mach-o/dyld.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([memmove strcmp]) -AC_CHECK_FUNCS([closedir opendir readdir]) -])# AC_LIB_LTDL - - -# AC_LTDL_ENABLE_INSTALL -# ---------------------- -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_LTDL_ENABLE_INSTALL - - -# 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], - [# PORTME does your system automatically load deplibs for dlopen? - # or its logical equivalent (e.g. shl_load for HP-UX < 11) - # For now, we just catch OSes we know something about -- in the - # future, we'll try test this programmatically. - libltdl_cv_sys_dlopen_deplibs=unknown - case "$host_os" in - aix3*|aix4.1.*|aix4.2.*) - # Unknown whether this is true for these versions of AIX, but - # we want this `case' here to explicitly catch those versions. - libltdl_cv_sys_dlopen_deplibs=unknown - ;; - aix[[45]]*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - darwin*) - # Assuming the user has installed a libdl from somewhere, this is true - # If you are looking for one http://www.opendarwin.org/projects/dlcompat - libltdl_cv_sys_dlopen_deplibs=yes - ;; - gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu) - # GNU and its variants, using gnu ld.so (Glibc) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - hpux10*|hpux11*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - irix[[12345]]*|irix6.[[01]]*) - # Catch all versions of IRIX before 6.2, and indicate that we don't - # know how it worked for any of those versions. - libltdl_cv_sys_dlopen_deplibs=unknown - ;; - irix*) - # The case above catches anything before 6.2, and it's known that - # at 6.2 and later dlopen does load deplibs. - libltdl_cv_sys_dlopen_deplibs=yes - ;; - netbsd* | netbsdelf*-gnu) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - openbsd*) - libltdl_cv_sys_dlopen_deplibs=yes - ;; - osf[[1234]]*) - # dlopen did load deplibs (at least at 4.x), but until the 5.x series, - # it did *not* use an RPATH in a shared library to find objects the - # library depends on, so we explictly say `no'. - libltdl_cv_sys_dlopen_deplibs=no - ;; - osf5.0|osf5.0a|osf5.1) - # dlopen *does* load deplibs and with the right loader patch applied - # it even uses RPATH in a shared library to search for shared objects - # that the library depends on, but there's no easy way to know if that - # patch is installed. Since this is the case, all we can really - # say is unknown -- it depends on the patch being installed. If - # it is, this changes to `yes'. Without it, it would be `no'. - libltdl_cv_sys_dlopen_deplibs=unknown - ;; - osf*) - # the two cases above should catch all versions of osf <= 5.1. Read - # the comments above for what we know about them. - # At > 5.1, deplibs are loaded *and* any RPATH in a shared library - # is used to find them so we can finally say `yes'. - libltdl_cv_sys_dlopen_deplibs=yes - ;; - solaris*) - 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_LTDL_SHLIBEXT -# ---------------- -AC_DEFUN([AC_LTDL_SHLIBEXT], -[AC_REQUIRE([AC_LIBTOOL_SYS_DYNAMIC_LINKER]) -AC_CACHE_CHECK([which extension is used for loadable modules], - [libltdl_cv_shlibext], -[ -module=yes -eval libltdl_cv_shlibext=$shrext_cmds - ]) -if test -n "$libltdl_cv_shlibext"; then - AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext", - [Define to the extension used for shared libraries, say, ".so".]) -fi -])# AC_LTDL_SHLIBEXT - - -# AC_LTDL_SHLIBPATH -# ----------------- -AC_DEFUN([AC_LTDL_SHLIBPATH], -[AC_REQUIRE([AC_LIBTOOL_SYS_DYNAMIC_LINKER]) -AC_CACHE_CHECK([which variable specifies run-time library path], - [libltdl_cv_shlibpath_var], [libltdl_cv_shlibpath_var="$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_LTDL_SHLIBPATH - - -# AC_LTDL_SYSSEARCHPATH -# --------------------- -AC_DEFUN([AC_LTDL_SYSSEARCHPATH], -[AC_REQUIRE([AC_LIBTOOL_SYS_DYNAMIC_LINKER]) -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 - 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$PATH_SEPARATOR$dir" - fi - done - AC_DEFINE_UNQUOTED(LTDL_SYSSEARCHPATH, "$sys_search_path", - [Define to the system default library search path.]) -fi -])# AC_LTDL_SYSSEARCHPATH - - -# AC_LTDL_OBJDIR -# -------------- -AC_DEFUN([AC_LTDL_OBJDIR], -[AC_CACHE_CHECK([for objdir], - [libltdl_cv_objdir], - [libltdl_cv_objdir="$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_LTDL_OBJDIR - - -# AC_LTDL_DLPREOPEN -# ----------------- -AC_DEFUN([AC_LTDL_DLPREOPEN], -[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE]) -AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen], - [libltdl_cv_preloaded_symbols], - [if test -n "$lt_cv_sys_global_symbol_pipe"; then - libltdl_cv_preloaded_symbols=yes - else - libltdl_cv_preloaded_symbols=no - fi - ]) -if test x"$libltdl_cv_preloaded_symbols" = xyes; then - AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1, - [Define if libtool can extract symbol lists from object files.]) -fi -])# AC_LTDL_DLPREOPEN - - -# AC_LTDL_DLLIB -# ------------- -AC_DEFUN([AC_LTDL_DLLIB], -[LIBADD_DL= -AC_SUBST(LIBADD_DL) -AC_LANG_PUSH([C]) - -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="$LIBADD_DL -ldld"], - [AC_CHECK_LIB([dl], [dlopen], - [AC_DEFINE([HAVE_LIBDL], [1], - [Define if you have the libdl library or equivalent.]) - LIBADD_DL="-ldl" libltdl_cv_lib_dl_dlopen="yes"], - [AC_TRY_LINK([#if HAVE_DLFCN_H -# include <dlfcn.h> -#endif - ], - [dlopen(0, 0);], - [AC_DEFINE([HAVE_LIBDL], [1], - [Define if you have the libdl library or equivalent.]) libltdl_cv_func_dlopen="yes"], - [AC_CHECK_LIB([svld], [dlopen], - [AC_DEFINE([HAVE_LIBDL], [1], - [Define if you have the libdl library or equivalent.]) - LIBADD_DL="-lsvld" libltdl_cv_func_dlopen="yes"], - [AC_CHECK_LIB([dld], [dld_link], - [AC_DEFINE([HAVE_DLD], [1], - [Define if you have the GNU dld library.]) - LIBADD_DL="$LIBADD_DL -ldld"], - [AC_CHECK_FUNC([_dyld_func_lookup], - [AC_DEFINE([HAVE_DYLD], [1], - [Define if you have the _dyld_func_lookup function.])]) - ]) - ]) - ]) - ]) - ]) -]) - -if test x"$libltdl_cv_func_dlopen" = xyes || test x"$libltdl_cv_lib_dl_dlopen" = xyes -then - lt_save_LIBS="$LIBS" - LIBS="$LIBS $LIBADD_DL" - AC_CHECK_FUNCS([dlerror]) - LIBS="$lt_save_LIBS" -fi -AC_LANG_POP -])# AC_LTDL_DLLIB - - -# AC_LTDL_SYMBOL_USCORE -# --------------------- -# does the compiler prefix global symbols with an underscore? -AC_DEFUN([AC_LTDL_SYMBOL_USCORE], -[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE]) -AC_CACHE_CHECK([for _ prefix in compiled symbols], - [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 \| $lt_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then - # See whether the symbols have a leading underscore. - if grep '^. _nm_test_func' "$ac_nlist" >/dev/null; then - ac_cv_sys_symbol_underscore=yes - else - if grep '^. nm_test_func ' "$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 $lt_cv_sys_global_symbol_pipe" >&AC_FD_CC - fi - else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.c >&AC_FD_CC - fi - rm -rf conftest* - ]) -])# AC_LTDL_SYMBOL_USCORE - - -# AC_LTDL_DLSYM_USCORE -# -------------------- -AC_DEFUN([AC_LTDL_DLSYM_USCORE], -[AC_REQUIRE([AC_LTDL_SYMBOL_USCORE]) -if test x"$ac_cv_sys_symbol_underscore" = xyes; then - if test x"$libltdl_cv_func_dlopen" = xyes || - test x"$libltdl_cv_lib_dl_dlopen" = xyes ; then - AC_CACHE_CHECK([whether we have to add an underscore for dlsym], - [libltdl_cv_need_uscore], - [libltdl_cv_need_uscore=unknown - save_LIBS="$LIBS" - LIBS="$LIBS $LIBADD_DL" - _LT_AC_TRY_DLOPEN_SELF( - [libltdl_cv_need_uscore=no], [libltdl_cv_need_uscore=yes], - [], [libltdl_cv_need_uscore=cross]) - LIBS="$save_LIBS" - ]) - fi -fi - -if test x"$libltdl_cv_need_uscore" = xyes; then - AC_DEFINE(NEED_USCORE, 1, - [Define if dlsym() requires a leading underscore in symbol names.]) -fi -])# AC_LTDL_DLSYM_USCORE - -# AC_LTDL_FUNC_ARGZ -# ----------------- -AC_DEFUN([AC_LTDL_FUNC_ARGZ], -[AC_CHECK_HEADERS([argz.h]) - -AC_CHECK_TYPES([error_t], - [], - [AC_DEFINE([error_t], [int], - [Define to a type to use for `error_t' if it is not otherwise available.])], - [#if HAVE_ARGZ_H -# include <argz.h> -#endif]) - -AC_CHECK_FUNCS([argz_append argz_create_sep argz_insert argz_next argz_stringify]) -])# AC_LTDL_FUNC_ARGZ |