Move libltdl to external repository

2 files changed, 0 insertions, 519 deletions

diff --git a/libltdl b/libltdl
new file mode 160000
+Subproject 6d6796c294ca6e9b7f83c295217817c4bf48603
diff --git a/libltdl/ltdl.m4 b/libltdl/ltdl.m4
deleted file mode 100644
index 6a53da165..000000000
--- a/libltdl/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
-])