code cleanup and m4 reverting

git-svn-id: https://gnunet.org/svn/gnunet@9049 140774ce-b5e7-0310-ab8b-a85725594a96

6 files changed, 115 insertions, 84 deletions

diff --git a/m4/argz.m4 b/m4/argz.m4
index edc99bbce2..37c1b11e4b 100644
--- a/m4/argz.m4
+++ b/m4/argz.m4
@@ -28,14 +28,14 @@ ARGZ_H=
 AC_CHECK_FUNCS([argz_add argz_append argz_count argz_create_sep argz_insert \
 	argz_next argz_stringify], [], [ARGZ_H=argz.h; AC_LIBOBJ([argz])])
 
-dnl if have system argz functions, allow forced use of 
+dnl if have system argz functions, allow forced use of
 dnl libltdl-supplied implementation (and default to do so
 dnl on "known bad" systems). Could use a runtime check, but
 dnl (a) detecting malloc issues is notoriously unreliable
 dnl (b) only known system that declares argz functions,
 dnl     provides them, yet they are broken, is cygwin
 dnl     releases prior to 16-Mar-2007 (1.5.24 and earlier)
-dnl So, it's more straightforward simply to special case 
+dnl So, it's more straightforward simply to special case
 dnl this for known bad systems.
 AS_IF([test -z "$ARGZ_H"],
     [AC_CACHE_CHECK(
diff --git a/m4/libtool.m4 b/m4/libtool.m4
index 6e86e5b43e..1e7ea47c08 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -380,12 +380,12 @@ m4_define([lt_decl_dquote_varnames],
 # lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...])
 # ---------------------------------------------------
 m4_define([lt_decl_varnames_tagged],
-[_$0(m4_quote(m4_default([$1], [[, ]])),
-     m4_quote(m4_if([$2], [],
-		     m4_quote(lt_decl_tag_varnames),
-		  m4_quote(m4_shift($@)))),
-     m4_split(m4_normalize(m4_quote(_LT_TAGS))))])
-m4_define([_lt_decl_varnames_tagged], [lt_combine([$1], [$2], [_], $3)])
+[m4_assert([$# <= 2])dnl
+_$0(m4_quote(m4_default([$1], [[, ]])),
+    m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]),
+    m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))])
+m4_define([_lt_decl_varnames_tagged],
+[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])])
 
 
 # lt_decl_all_varnames([SEPARATOR], [VARNAME1...])
@@ -945,10 +945,10 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
       _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
     darwin1.*)
       _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
-    darwin*) # darwin 5.x on 
+    darwin*) # darwin 5.x on
       # if running on 10.5 or later, the deployment target defaults
       # to the OS version, if on x86, and 10.4, the deployment
-      # target defaults to 10.4. Don't you love it? 
+      # target defaults to 10.4. Don't you love it?
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
 	10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
@@ -990,7 +990,11 @@ m4_defun([_LT_DARWIN_LINKER_FEATURES],
   _LT_TAGVAR(whole_archive_flag_spec, $1)=''
   _LT_TAGVAR(link_all_deplibs, $1)=yes
   _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined"
-  if test "$GCC" = "yes"; then
+  case $cc_basename in
+     ifort*) _lt_dar_can_shared=yes ;;
+     *) _lt_dar_can_shared=$GCC ;;
+  esac
+  if test "$_lt_dar_can_shared" = "yes"; then
     output_verbose_link_cmd=echo
     _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
     _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
@@ -1512,7 +1516,7 @@ AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
     lt_cv_sys_max_cmd_len=-1;
     ;;
 
-  cygwin* | mingw*)
+  cygwin* | mingw* | cegcc*)
     # On Win9x/ME, this test blows up -- it succeeds, but takes
     # about 5 minutes as the teststring grows exponentially.
     # Worse, since 9x/ME are not pre-emptively multitasking,
@@ -1680,10 +1684,6 @@ else
 #  endif
 #endif
 
-#ifdef __cplusplus
-extern "C" void exit (int);
-#endif
-
 void fnord() { int i=42;}
 int main ()
 {
@@ -1699,7 +1699,7 @@ int main ()
   else
     puts (dlerror ());
 
-    exit (status);
+  return status;
 }]
 _LT_EOF
   if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
@@ -1738,7 +1738,7 @@ else
     lt_cv_dlopen_self=yes
     ;;
 
-  mingw* | pw32*)
+  mingw* | pw32* | cegcc*)
     lt_cv_dlopen="LoadLibrary"
     lt_cv_dlopen_libs=
     ;;
@@ -2035,6 +2035,7 @@ m4_defun([_LT_SYS_DYNAMIC_LINKER],
 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
 m4_require([_LT_DECL_EGREP])dnl
 m4_require([_LT_FILEUTILS_DEFAULTS])dnl
+m4_require([_LT_DECL_OBJDUMP])dnl
 m4_require([_LT_DECL_SED])dnl
 AC_MSG_CHECKING([dynamic linker characteristics])
 m4_if([$1],
@@ -2199,14 +2200,14 @@ bsdi[[45]]*)
   # libtool to hard-code these into programs
   ;;
 
-cygwin* | mingw* | pw32*)
+cygwin* | mingw* | pw32* | cegcc*)
   version_type=windows
   shrext_cmds=".dll"
   need_version=no
   need_lib_prefix=no
 
   case $GCC,$host_os in
-  yes,cygwin* | yes,mingw* | yes,pw32*)
+  yes,cygwin* | yes,mingw* | yes,pw32* | yes,cegcc*)
     library_names_spec='$libname.dll.a'
     # DLL is installed to $(libdir)/../bin by postinstall_cmds
     postinstall_cmds='base_file=`basename \${file}`~
@@ -2229,7 +2230,7 @@ cygwin* | mingw* | pw32*)
       soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
       sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
       ;;
-    mingw*)
+    mingw* | cegcc*)
       # MinGW DLLs use traditional 'lib' prefix
       soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
       sys_lib_search_path_spec=`$CC -print-search-dirs | $GREP "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
@@ -2667,7 +2668,7 @@ tpf*)
   version_type=linux
   need_lib_prefix=no
   need_version=no
-  library_name_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
   shlibpath_var=LD_LIBRARY_PATH
   shlibpath_overrides_runpath=no
   hardcode_into_libs=yes
@@ -2691,7 +2692,7 @@ variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
 if test "$GCC" = yes; then
   variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
 fi
- 
+
 if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then
   sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec"
 fi
@@ -2968,6 +2969,7 @@ _LT_DECL([], [reload_cmds], [2])dnl
 #  -- PORTME fill in with the dynamic library characteristics
 m4_defun([_LT_CHECK_MAGIC_METHOD],
 [m4_require([_LT_DECL_EGREP])
+m4_require([_LT_DECL_OBJDUMP])
 AC_CACHE_CHECK([how to recognize dependent libraries],
 lt_cv_deplibs_check_method,
 [lt_cv_file_magic_cmd='$MAGIC_CMD'
@@ -3018,6 +3020,12 @@ mingw* | pw32*)
   fi
   ;;
 
+cegcc)
+  # use the weaker test based on 'objdump'. See mingw*.
+  lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?'
+  lt_cv_file_magic_cmd='$OBJDUMP -f'
+  ;;
+
 darwin* | rhapsody*)
   lt_cv_deplibs_check_method=pass_all
   ;;
@@ -3329,7 +3337,7 @@ case $host_os in
 aix*)
   symcode='[[BCDT]]'
   ;;
-cygwin* | mingw* | pw32*)
+cygwin* | mingw* | pw32* | cegcc*)
   symcode='[[ABCDGISTW]]'
   ;;
 hpux*)
@@ -3575,7 +3583,7 @@ m4_if([$1], [CXX], [
     beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
       # PIC is the default for these OSes.
       ;;
-    mingw* | cygwin* | os2* | pw32*)
+    mingw* | cygwin* | os2* | pw32* | cegcc*)
       # 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).
       # Although the cygwin gcc ignores -fPIC, still need this for old-style
@@ -3602,10 +3610,11 @@ m4_if([$1], [CXX], [
       fi
       ;;
     hpux*)
-      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
-      # not for PA HP-UX.
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
       case $host_cpu in
-      hppa*64*|ia64*)
+      hppa*64*)
 	;;
       *)
 	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
@@ -3703,12 +3712,19 @@ m4_if([$1], [CXX], [
 	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
 	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
 	    ;;
-	  icpc* | ecpc* )
-	    # Intel C++
+	  ecpc* )
+	    # old Intel C++ for x86_64 which still supported -KPIC.
 	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
 	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
 	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
 	    ;;
+	  icpc* )
+	    # Intel C++, used to be incompatible with GCC.
+	    # ICC 10 doesn't accept -KPIC any more.
+	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	    _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	    _LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+	    ;;
 	  pgCC* | pgcpp*)
 	    # Portland Group C++ compiler
 	    _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
@@ -3874,7 +3890,7 @@ m4_if([$1], [CXX], [
       # PIC is the default for these OSes.
       ;;
 
-    mingw* | cygwin* | pw32* | os2*)
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
       # 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).
       # Although the cygwin gcc ignores -fPIC, still need this for old-style
@@ -3890,10 +3906,11 @@ m4_if([$1], [CXX], [
       ;;
 
     hpux*)
-      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
-      # not for PA HP-UX.
+      # PIC is the default for 64-bit PA HP-UX, but not for 32-bit
+      # PA HP-UX.  On IA64 HP-UX, PIC is the default but the pic flag
+      # sets the default TLS model and affects inlining.
       case $host_cpu in
-      hppa*64*|ia64*)
+      hppa*64*)
 	# +Z the default
 	;;
       *)
@@ -3943,7 +3960,7 @@ m4_if([$1], [CXX], [
       fi
       ;;
 
-    mingw* | cygwin* | pw32* | os2*)
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
       # 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).
       m4_if([$1], [GCJ], [],
@@ -3974,11 +3991,25 @@ m4_if([$1], [CXX], [
 
     linux* | k*bsd*-gnu)
       case $cc_basename in
-      icc* | ecc* | ifort*)
+      # old Intel for x86_64 which still supported -KPIC.
+      ecc*)
 	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
 	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
 	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
         ;;
+      # icc used to be incompatible with GCC.
+      # ICC 10 doesn't accept -KPIC any more.
+      icc* | ifort*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
+        ;;
+      # Lahey Fortran 8.1.
+      lf95*)
+	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
+	_LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared'
+	_LT_TAGVAR(lt_prog_compiler_static, $1)='--static'
+	;;
       pgcc* | pgf77* | pgf90* | pgf95*)
         # Portland Group compilers (*not* the Pentium gcc compiler,
 	# which looks to be a dead project)
@@ -4160,7 +4191,7 @@ m4_if([$1], [CXX], [
   pw32*)
     _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
   ;;
-  cygwin* | mingw*)
+  cygwin* | mingw* | cegcc*)
     _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;/^.*[[ ]]__nm__/s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols'
   ;;
   linux* | k*bsd*-gnu)
@@ -4215,7 +4246,7 @@ dnl Note also adjust exclude_expsyms for C++ above.
   extract_expsyms_cmds=
 
   case $host_os in
-  cygwin* | mingw* | pw32*)
+  cygwin* | mingw* | pw32* | cegcc*)
     # FIXME: the MSVC++ port hasn't been tested in a loooong time
     # When not using gcc, we currently assume that we are using
     # Microsoft Visual C++.
@@ -4230,6 +4261,9 @@ dnl Note also adjust exclude_expsyms for C++ above.
   openbsd*)
     with_gnu_ld=no
     ;;
+  linux* | k*bsd*-gnu)
+    _LT_TAGVAR(link_all_deplibs, $1)=no
+    ;;
   esac
 
   _LT_TAGVAR(ld_shlibs, $1)=yes
@@ -4302,7 +4336,7 @@ _LT_EOF
       fi
       ;;
 
-    cygwin* | mingw* | pw32*)
+    cygwin* | mingw* | pw32* | cegcc*)
       # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
       # as there is no search path for DLLs.
       _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
@@ -4368,6 +4402,9 @@ _LT_EOF
 	  tmp_addflag=' -i_dynamic -nofor_main' ;;
 	ifc* | ifort*)			# Intel Fortran compiler
 	  tmp_addflag=' -nofor_main' ;;
+	lf95*)				# Lahey Fortran 8.1
+	  _LT_TAGVAR(whole_archive_flag_spec, $1)=
+	  tmp_sharedflag='--shared' ;;
 	xl[[cC]]*)			# IBM XL C 8.0 on PPC (deal with xlf below)
 	  tmp_sharedflag='-qmkshrobj'
 	  tmp_addflag= ;;
@@ -4600,6 +4637,7 @@ _LT_EOF
 	fi
       fi
 
+      _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall'
       # It seems that -bexpall does not export symbols beginning with
       # underscore (_), so it is better to generate a list of symbols to export.
       _LT_TAGVAR(always_export_symbols, $1)=yes
@@ -4654,7 +4692,7 @@ _LT_EOF
       _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
       ;;
 
-    cygwin* | mingw* | pw32*)
+    cygwin* | mingw* | pw32* | cegcc*)
       # When not using gcc, we currently assume that we are using
       # Microsoft Visual C++.
       # hardcode_libdir_flag_spec is actually meaningless, as there is
@@ -4758,7 +4796,7 @@ _LT_EOF
 	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
 	  ;;
 	ia64*)
-	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
+	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags'
 	  ;;
 	*)
 	  _LT_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
@@ -5543,6 +5581,7 @@ if test "$_lt_caught_CXX_error" != yes; then
           fi
         fi
 
+        _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall'
         # It seems that -bexpall does not export symbols beginning with
         # underscore (_), so it is better to generate a list of symbols to
 	# export.
@@ -5601,7 +5640,7 @@ if test "$_lt_caught_CXX_error" != yes; then
         esac
         ;;
 
-      cygwin* | mingw* | pw32*)
+      cygwin* | mingw* | pw32* | cegcc*)
         # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless,
         # as there is no search path for DLLs.
         _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
@@ -6986,6 +7025,18 @@ AC_SUBST([GREP])
 ])
 
 
+# _LT_DECL_OBJDUMP
+# --------------
+# If we don't have a new enough Autoconf to choose the best objdump
+# available, choose the one first in the user's PATH.
+m4_defun([_LT_DECL_OBJDUMP],
+[AC_CHECK_TOOL(OBJDUMP, objdump, false)
+test -z "$OBJDUMP" && OBJDUMP=objdump
+_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper])
+AC_SUBST([OBJDUMP])
+])
+
+
 # _LT_DECL_SED
 # ------------
 # Check for a fully-functional sed program, that truncates
diff --git a/m4/ltdl.m4 b/m4/ltdl.m4
index eb8db0cd12..46535e2e11 100644
--- a/m4/ltdl.m4
+++ b/m4/ltdl.m4
@@ -7,7 +7,7 @@
 # unlimited permission to copy and/or distribute it, with or without
 # modifications, as long as this notice is preserved.
 
-# serial 15 LTDL_INIT
+# serial 17 LTDL_INIT
 
 # LT_CONFIG_LTDL_DIR(DIRECTORY, [LTDL-MODE])
 # ------------------------------------------
@@ -212,26 +212,10 @@ m4_define([$0], [])
 # of into LIBOBJS.
 AC_DEFUN([_LT_LIBOBJ], [
   m4_pattern_allow([^_LT_LIBOBJS$])
-  AS_LITERAL_IF([$1], [_LT_LIBSOURCES([$1.c])])dnl
   _LT_LIBOBJS="$_LT_LIBOBJS $1.$ac_objext"
 ])# _LT_LIBOBJS
 
 
-# _LT_LIBSOURCES(MODULE_NAMES)
-# ----------------------------
-# Like AC_LIBSOURCES, except the directory where the libltdl source files
-# are expected is distinct from the user LIBOBJ directory.
-AC_DEFUN([_LT_LIBSOURCES], [
-  m4_foreach([_LTNAME], [$1], [
-    m4_syscmd([test -r "$lt_libobj_prefix]_LTNAME[" ||
-		test -z "$lt_libobj_prefix" ||
-		test ! -d "$lt_libobj_prefix"])dnl
-    m4_if(m4_sysval, [0], [],
-      [AC_FATAL([missing $lt_libobj_prefix/]_LTNAME)])
-  ])
-])# _LT_LIBSOURCES
-
-
 # LTDL_INIT([OPTIONS])
 # --------------------
 # Clients of libltdl can use this macro to allow the installer to
@@ -245,9 +229,9 @@ _LT_SET_OPTIONS([$0], [$1])
 
 dnl We need to keep our own list of libobjs separate from our parent project,
 dnl and the easiest way to do that is redefine the AC_LIBOBJs macro while
-dnl we look for our own LIBOBJs. Definitions in ltdl-libobj.m4.
+dnl we look for our own LIBOBJs.
 m4_pushdef([AC_LIBOBJ], m4_defn([_LT_LIBOBJ]))
-m4_pushdef([AC_LIBSOURCES], m4_defn([_LT_LIBSOURCES]))
+m4_pushdef([AC_LIBSOURCES])
 
 dnl If not otherwise defined, default to the 1.5.x compatible subproject mode:
 m4_if(_LTDL_MODE, [],
@@ -264,7 +248,7 @@ if test "x$with_included_ltdl" != xyes; then
   # decide whether there is a useful installed version we can use.
   AC_CHECK_HEADER([ltdl.h],
       [AC_CHECK_DECL([lt_dlinterface_register],
-	   [AC_CHECK_LIB([ltdl], [lt_dlinterface_register],
+	   [AC_CHECK_LIB([ltdl], [lt_dladvise_preload],
 	       [with_included_ltdl=no],
 	       [with_included_ltdl=yes])],
 	   [with_included_ltdl=yes],
@@ -396,12 +380,6 @@ m4_require([_LT_HEADER_DLFCN])dnl
 m4_require([_LT_CHECK_DLPREOPEN])dnl
 m4_require([_LT_DECL_SED])dnl
 
-# lt_cv_dlopen_self gets defined by LT_SYS_DLOPEN_SELF, called by LT_INIT
-if test "$lt_cv_dlopen_self" = yes; then
-  AC_DEFINE([LTDL_DLOPEN_SELF_WORKS], [1],
-    [Define if dlopen(NULL) is able to resolve symbols from the main program.])
-fi
-
 dnl Don't require this, or it will be expanded earlier than the code
 dnl that sets the variables it relies on:
 _LT_ENABLE_INSTALL
@@ -429,6 +407,8 @@ AC_CHECK_HEADERS([unistd.h dl.h sys/dl.h dld.h mach-o/dyld.h dirent.h],
 AC_CHECK_FUNCS([closedir opendir readdir], [], [AC_LIBOBJ([lt__dirent])])
 AC_CHECK_FUNCS([strlcat strlcpy], [], [AC_LIBOBJ([lt__strl])])
 
+AC_DEFINE_UNQUOTED([LT_LIBEXT],["$libext"],[The archive extension])
+
 name=ltdl
 LTDLOPEN=`eval "\\$ECHO \"$libname_spec\""`
 AC_SUBST([LTDLOPEN])
diff --git a/m4/ltoptions.m4 b/m4/ltoptions.m4
index e97011948b..34151a3ba6 100644
--- a/m4/ltoptions.m4
+++ b/m4/ltoptions.m4
@@ -125,7 +125,7 @@ LT_OPTION_DEFINE([LT_INIT], [win32-dll],
 [enable_win32_dll=yes
 
 case $host in
-*-*-cygwin* | *-*-mingw* | *-*-pw32*)
+*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-cegcc*)
   AC_CHECK_TOOL(AS, as, false)
   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
   AC_CHECK_TOOL(OBJDUMP, objdump, false)
diff --git a/m4/ltsugar.m4 b/m4/ltsugar.m4
index 0d258e070a..9000a057d3 100644
--- a/m4/ltsugar.m4
+++ b/m4/ltsugar.m4
@@ -1,13 +1,13 @@
 # ltsugar.m4 -- libtool m4 base layer.                         -*-Autoconf-*-
 #
-#   Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
-#   Written by Gary V. Vaughan, 2004
+# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+# Written by Gary V. Vaughan, 2004
 #
 # This file is free software; the Free Software Foundation gives
 # unlimited permission to copy and/or distribute it, with or without
 # modifications, as long as this notice is preserved.
 
-# serial 5 ltsugar.m4
+# serial 6 ltsugar.m4
 
 # This is to help aclocal find these macros, as it can't see m4_define.
 AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
@@ -63,14 +63,14 @@ m4_define([lt_append],
 # Produce a SEP delimited list of all paired combinations of elements of
 # PREFIX-LIST with SUFFIX1 through SUFFIXn.  Each element of the list
 # has the form PREFIXmINFIXSUFFIXn.
+# Needed until we can rely on m4_combine added in Autoconf 2.62.
 m4_define([lt_combine],
-[m4_if([$2], [], [],
-  [m4_if([$4], [], [],
-    [lt_join(m4_quote(m4_default([$1], [[, ]])),
-      lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_prefix, [$2],
-		   [m4_foreach(_Lt_suffix, lt_car([m4_shiftn(3, $@)]),
-			       [_Lt_prefix[]$3[]_Lt_suffix ])])))))])])dnl
-])
+[m4_if(m4_eval([$# > 3]), [1],
+       [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
+[[m4_foreach([_Lt_prefix], [$2],
+	     [m4_foreach([_Lt_suffix],
+		]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
+	[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
 
 
 # lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
diff --git a/m4/ltversion.m4 b/m4/ltversion.m4
index 45cb1557c3..b8e154fe6e 100644
--- a/m4/ltversion.m4
+++ b/m4/ltversion.m4
@@ -9,15 +9,15 @@
 
 # Generated from ltversion.in.
 
-# serial 2976 ltversion.m4
+# serial 3012 ltversion.m4
 # This file is part of GNU Libtool
 
-m4_define([LT_PACKAGE_VERSION], [2.2.4])
-m4_define([LT_PACKAGE_REVISION], [1.2976])
+m4_define([LT_PACKAGE_VERSION], [2.2.6])
+m4_define([LT_PACKAGE_REVISION], [1.3012])
 
 AC_DEFUN([LTVERSION_VERSION],
-[macro_version='2.2.4'
-macro_revision='1.2976'
+[macro_version='2.2.6'
+macro_revision='1.3012'
 _LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?])
 _LT_DECL(, macro_revision, 0)
 ])