]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - aclocal.m4
ncurses 5.9 - patch 20130720
[ncurses.git] / aclocal.m4
index 241dec13e618e8ee04f073b490cc817e9883b439..bbb11feec4afad4c3173c8875ffb16fa66e9e68b 100644 (file)
@@ -28,7 +28,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: aclocal.m4,v 1.650 2013/02/09 17:55:03 tom Exp $
+dnl $Id: aclocal.m4,v 1.671 2013/07/06 21:45:26 tom Exp $
 dnl Macros used in NCURSES auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -62,7 +62,7 @@ AC_DEFUN([AM_LANGINFO_CODESET],
   fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ACVERSION_CHECK version: 3 updated: 2012/10/03 18:39:53
+dnl CF_ACVERSION_CHECK version: 4 updated: 2013/03/04 19:52:56
 dnl ------------------
 dnl Conditionally generate script according to whether we're using a given autoconf.
 dnl
@@ -71,6 +71,7 @@ dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
 dnl $3 = code to use if AC_ACVERSION is older than $1.
 define([CF_ACVERSION_CHECK],
 [
+ifdef([AC_ACVERSION], ,[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])dnl
 ifdef([m4_version_compare],
 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
 [CF_ACVERSION_COMPARE(
@@ -491,7 +492,7 @@ else        AC_MSG_RESULT(no)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_BOOL_SIZE version: 12 updated: 2006/12/16 12:33:30
+dnl CF_BOOL_SIZE version: 13 updated: 2013/04/13 18:03:21
 dnl ------------
 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
 dnl Don't bother looking for bool.h, since it's been deprecated.
@@ -525,7 +526,7 @@ AC_CACHE_VAL(cf_cv_type_of_bool,[
 
 #endif
 
-main()
+int main()
 {
        FILE *fp = fopen("cf_test.out", "w");
        if (fp != 0) {
@@ -677,7 +678,7 @@ case "$CC" in #(vi
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CFG_DEFAULTS version: 8 updated: 2011/06/04 20:09:13
+dnl CF_CFG_DEFAULTS version: 9 updated: 2013/04/13 18:58:32
 dnl ---------------
 dnl Determine the default configuration into which we'll install ncurses.  This
 dnl can be overridden by the user's command-line options.  There's two items to
@@ -695,7 +696,7 @@ AC_MSG_CHECKING(for prefix)
 if test "x$prefix" = "xNONE" ; then
        case "$cf_cv_system_name" in
                # non-vendor systems don't have a conflict
-       openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu)
+       openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu|mingw*)
                prefix=/usr
                ;;
        *)      prefix=$ac_default_prefix
@@ -911,6 +912,27 @@ if test "$cf_cv_check_gpm_wgetch" != yes ; then
 fi
 ])])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
+dnl ------------------------
+dnl Show the version of libtool
+dnl
+dnl Save the version in a cache variable - this is not entirely a good thing,
+dnl but the version string from libtool is very ugly, and for bug reports it
+dnl might be useful to have the original string.
+AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
+if test -n "$LIBTOOL" && test "$LIBTOOL" != none
+then
+       AC_MSG_CHECKING(version of $LIBTOOL)
+       CF_LIBTOOL_VERSION
+       AC_MSG_RESULT($cf_cv_libtool_version)
+       if test -z "$cf_cv_libtool_version" ; then
+               AC_MSG_ERROR(This is not GNU libtool)
+       fi
+else
+       AC_MSG_ERROR(GNU libtool has not been found)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
 dnl ----------------
 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
@@ -1000,7 +1022,7 @@ fi
 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT,1,[Define to 1 if C++ has parameter initialization])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CPP_STATIC_CAST version: 2 updated: 2012/10/06 17:56:13
+dnl CF_CPP_STATIC_CAST version: 3 updated: 2013/04/13 18:03:21
 dnl ------------------
 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
 dnl not be supported in g++ before 3.0
@@ -1022,7 +1044,7 @@ public:
               int begin_x = 0)
   {
   }
-
+  NCursesPanel();
   ~NCursesPanel();
 };
 
@@ -1530,6 +1552,15 @@ AC_DEFUN([CF_FIXUP_ADAFLAGS],[
        AC_MSG_RESULT($ADAFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09
+dnl --------------
+dnl Forget that we saw the given tool.
+AC_DEFUN([CF_FORGET_TOOL],[
+unset ac_cv_prog_ac_ct_$1
+unset ac_ct_$1
+unset $1
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_FUNC_DLSYM version: 3 updated: 2012/10/06 11:17:15
 dnl -------------
 dnl Test for dlsym() and related functions, as well as libdl.
@@ -2773,7 +2804,7 @@ CPPFLAGS="-I. -I../include $CPPFLAGS"
 AC_SUBST(CPPFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
+dnl CF_INTEL_COMPILER version: 5 updated: 2013/02/10 10:41:05
 dnl -----------------
 dnl Check if the given compiler is really the Intel compiler for Linux.  It
 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
@@ -2787,6 +2818,7 @@ dnl $1 = GCC (default) or GXX
 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
 dnl $3 = CFLAGS (default) or CXXFLAGS
 AC_DEFUN([CF_INTEL_COMPILER],[
+AC_REQUIRE([AC_CANONICAL_HOST])
 ifelse([$2],,INTEL_COMPILER,[$2])=no
 
 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
@@ -3049,6 +3081,18 @@ CF_SUBDIR_PATH($1,$2,lib)
 $1="$cf_library_path_list [$]$1"
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
+dnl ------------------
+AC_DEFUN([CF_LIBTOOL_VERSION],[
+if test -n "$LIBTOOL" && test "$LIBTOOL" != none
+then
+       cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
+else
+       cf_cv_libtool_version=
+fi
+test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
 dnl -------------
 dnl Compute the library-prefix for the given host system
@@ -3066,7 +3110,7 @@ ifelse($1,,,[$1=$LIB_PREFIX])
        AC_SUBST(LIB_PREFIX)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_RULES version: 67 updated: 2012/10/06 13:36:35
+dnl CF_LIB_RULES version: 72 updated: 2013/03/24 17:10:41
 dnl ------------
 dnl Append definitions and rules for the given models to the subdirectory
 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
@@ -3121,76 +3165,63 @@ do
                for cf_item in $cf_LIST_MODELS
                do
                        CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
+                       cf_libname=$cf_dir
+                       test "$cf_dir" = c++ && cf_libname=ncurses++
                        if test $cf_item = shared ; then
-                       if test "$cf_cv_do_symlinks" = yes ; then
-                               case "$cf_cv_shlib_version" in #(vi
-                               rel) #(vi
-                                       case "$cf_cv_system_name" in #(vi
-                                       darwin*)
-                                       case .${LIB_SUFFIX} in
-                                       .tw*)
-                                               cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
-                                               cf_suffix=tw'.${REL_VERSION}'"$cf_suffix"
-                                               ;;
-                                       .t*)
-                                               cf_suffix=`echo $cf_suffix | sed 's/^t//'`
-                                               cf_suffix=t'.${REL_VERSION}'"$cf_suffix"
-                                               ;;
-                                       .w*)
-                                               cf_suffix=`echo $cf_suffix | sed 's/^w//'`
-                                               cf_suffix=w'.${REL_VERSION}'"$cf_suffix"
+                               if test -n "${LIB_SUFFIX}"
+                               then
+                                       cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${LIB_SUFFIX}"'//'`
+                               else
+                                       cf_shared_suffix="$cf_suffix"
+                               fi
+                               if test "$cf_cv_do_symlinks" = yes ; then
+                                       cf_version_name=
+
+                                       case "$cf_cv_shlib_version" in #(vi
+                                       rel) #(vi
+                                               cf_version_name=REL_VERSION
                                                ;;
-                                       *)
-                                               cf_suffix='.${REL_VERSION}'"$cf_suffix"
+                                       abi)
+                                               cf_version_name=ABI_VERSION
                                                ;;
                                        esac
-                                       ;; #(vi
-                                       *) cf_suffix="$cf_suffix"'.${REL_VERSION}' ;;
-                                       esac
+
+                                       if test -n "$cf_version_name"
+                                       then
+                                               case "$cf_cv_system_name" in #(vi
+                                               darwin*)
+                                                       # "w", etc?
+                                                       cf_suffix="${LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
+                                                       ;; #(vi
+                                               *)
+                                                       cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
+                                                       ;;
+                                               esac
+                                       fi
+                                       if test -n "${LIB_SUFFIX}"
+                                       then
+                                               cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${LIB_SUFFIX}"'//'`
+                                       else
+                                               cf_shared_suffix="$cf_suffix"
+                                       fi
+                               fi
+                               # cygwin needs import library, and has unique naming convention
+                               # use autodetected ${cf_prefix} for import lib and static lib, but
+                               # use 'cyg' prefix for shared lib.
+                               case $cf_cv_shlib_version in #(vi
+                               cygdll) #(vi
+                                       cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
+                                       Libs_To_Make="$Libs_To_Make ../lib/cyg${cf_libname}${cf_cygsuf}"
+                                       continue
                                        ;;
-                               abi)
-                                       case "$cf_cv_system_name" in #(vi
-                                       darwin*)
-                                       case .${LIB_SUFFIX} in
-                                       .tw*)
-                                               cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
-                                               cf_suffix=tw'.${ABI_VERSION}'"$cf_suffix"
-                                               ;;
-                                       .t*)
-                                               cf_suffix=`echo $cf_suffix | sed 's/^t//'`
-                                               cf_suffix=t'.${ABI_VERSION}'"$cf_suffix"
-                                               ;;
-                                       .w*)
-                                               cf_suffix=`echo $cf_suffix | sed 's/^w//'`
-                                               cf_suffix=w'.${ABI_VERSION}'"$cf_suffix"
-                                               ;;
-                                       *)
-                                               cf_suffix='.${ABI_VERSION}'"$cf_suffix"
-                                               ;;
-                                       esac
-                                       ;; #(vi
-                                       *) cf_suffix="$cf_suffix"'.${ABI_VERSION}' ;;
-                                       esac
+                               mingw)
+                                       cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
+                                       Libs_To_Make="$Libs_To_Make ../lib/lib${cf_libname}${cf_cygsuf}"
+                                       continue
                                        ;;
                                esac
                        fi
-                       # cygwin needs import library, and has unique naming convention
-                       # use autodetected ${cf_prefix} for import lib and static lib, but
-                       # use 'cyg' prefix for shared lib.
-                       case $cf_cv_shlib_version in #(vi
-                       cygdll) #(vi
-                               cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
-                               Libs_To_Make="$Libs_To_Make ../lib/cyg${cf_dir}${cf_cygsuf}"
-                               continue
-                               ;;
-                       mingw)
-                               cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
-                               Libs_To_Make="$Libs_To_Make ../lib/lib${cf_dir}${cf_cygsuf}"
-                               continue
-                               ;;
-                       esac
-                       fi
-                       Libs_To_Make="$Libs_To_Make ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
+                       Libs_To_Make="$Libs_To_Make ../lib/${cf_prefix}${cf_libname}${cf_suffix}"
                done
 
                if test $cf_dir = ncurses ; then
@@ -3226,6 +3257,33 @@ do
                        cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
                fi
 
+               if test $cf_dir = c++; then
+                       if test "x$with_shared_cxx" != xyes && test -n "$cf_shared_suffix"; then
+                               cf_list=
+                               for cf_item in $Libs_To_Make
+                               do
+                                       case $cf_item in
+                                       *.a)
+                                               ;;
+                                       *)
+                                               cf_item=`echo "$cf_item" | sed -e "s,"$cf_shared_suffix",.a,"`
+                                               ;;
+                                       esac
+                                       for cf_test in $cf_list
+                                       do
+                                               if test "$cf_test" = "$cf_item"
+                                               then
+                                                       cf_LIST_MODELS=`echo "$cf_LIST_MODELS" | sed -e 's/normal//'`
+                                                       cf_item=
+                                                       break
+                                               fi
+                                       done
+                                       test -n "$cf_item" && cf_list="$cf_list $cf_item"
+                               done
+                               Libs_To_Make="$cf_list"
+                       fi
+               fi
+
                sed -e "s%@Libs_To_Make@%$Libs_To_Make%" \
                    -e "s%@SHARED_LIB@%$SHARED_LIB%" \
                        $cf_dir/Makefile >$cf_dir/Makefile.out
@@ -3240,8 +3298,23 @@ do
                        cf_subdirs=
                        for cf_item in $cf_LIST_MODELS
                        do
+
                        echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
                        CF_UPPER(cf_ITEM,$cf_item)
+
+                       CXX_MODEL=$cf_ITEM
+                       if test "$CXX_MODEL" = SHARED; then
+                               case $cf_cv_shlib_version in #(vi
+                               cygdll|mingw) #(vi
+                                       test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED)
+                                       with_shared_cxx=yes
+                                       ;;
+                               *)
+                                       test "x$with_shared_cxx" = xno && CXX_MODEL=NORMAL
+                                       ;;
+                               esac
+                       fi
+
                        CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
                        CF_OBJ_SUBDIR($cf_item,cf_subdir)
 
@@ -3259,6 +3332,8 @@ do
                                        cf_libname=$TICS_LIB_SUFFIX
                                        ;;
                                esac
+                       elif test $cf_dir = c++ ; then
+                               cf_libname=ncurses++$LIB_SUFFIX
                        else
                                cf_libname=${cf_libname}$LIB_SUFFIX
                        fi
@@ -3310,6 +3385,7 @@ do
                                name=${cf_libname}${cf_dir_suffix} \
                                traces=$LIB_TRACING \
                                MODEL=$cf_ITEM \
+                               CXX_MODEL=$CXX_MODEL \
                                model=$cf_subdir \
                                prefix=$cf_prefix \
                                suffix=$cf_suffix \
@@ -3597,7 +3673,7 @@ fi
 ])
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_SUFFIX version: 18 updated: 2012/02/25 15:20:07
+dnl CF_LIB_SUFFIX version: 21 updated: 2013/07/06 17:44:26
 dnl -------------
 dnl Compute the library file-suffix from the given model name
 dnl $1 = model name
@@ -3606,25 +3682,20 @@ dnl $3 = dependency variable to set (actual filename)
 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
 AC_DEFUN([CF_LIB_SUFFIX],
 [
-       AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
-       case $1 in #(vi
-       libtool) #(vi
+       case X$1 in #(vi
+       Xlibtool) #(vi
                $2='.la'
                $3=[$]$2
                ;;
-       normal) #(vi
-               $2='.a'
-               $3=[$]$2
-               ;;
-       debug) #(vi
+       Xdebug) #(vi
                $2='_g.a'
                $3=[$]$2
                ;;
-       profile) #(vi
+       Xprofile) #(vi
                $2='_p.a'
                $3=[$]$2
                ;;
-       shared) #(vi
+       Xshared) #(vi
                case $cf_cv_system_name in
                aix[[5-7]]*) #(vi
                        $2='.a'
@@ -3650,10 +3721,16 @@ AC_DEFUN([CF_LIB_SUFFIX],
                                ;;
                        esac
                        ;;
-               *)      $2='.so'
+               *) #(vi
+                       $2='.so'
                        $3=[$]$2
                        ;;
                esac
+               ;;
+       *)
+               $2='.a'
+               $3=[$]$2
+               ;;
        esac
        test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
        test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
@@ -5259,7 +5336,7 @@ CF_VERBOSE(...checked $1 [$]$1)
 AC_SUBST(EXTRA_LDFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 72 updated: 2013/01/26 16:26:12
+dnl CF_SHARED_OPTS version: 74 updated: 2013/07/06 16:04:47
 dnl --------------
 dnl --------------
 dnl Attempt to determine the appropriate CC/LD options for creating a shared
@@ -5285,7 +5362,6 @@ dnl
 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
 AC_DEFUN([CF_SHARED_OPTS],
 [
-       AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
        AC_REQUIRE([CF_LD_RPATH_OPT])
        LOCAL_LDFLAGS=
        LOCAL_LDFLAGS2=
@@ -5440,10 +5516,13 @@ CF_EOF
        mingw*) #(vi
                cf_cv_shlib_version=mingw
                cf_cv_shlib_version_infix=mingw
+               if test "$DFT_LWR_MODEL" = "shared" ; then
+                       LOCAL_LDFLAGS="-Wl,--enable-auto-import"
+                       LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
+                       EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
+               fi
                CC_SHARED_OPTS=
                MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
-               #MK_SHARED_LIB='${CC} ${CFLAGS} -mdll -Wl,-soname,'$cf_cv_shared_soname',-stats -o $[@]'
-               #MK_SHARED_LIB='${DLLTOOL} --export-all-symbols --output-exp --output-lib $[@]'
                cat >mk_shared_lib.sh <<-CF_EOF
                #!/bin/sh
                SHARED_LIB=\[$]1
@@ -5454,7 +5533,7 @@ CF_EOF
                ** SHARED_LIB \[$]SHARED_LIB
                ** IMPORT_LIB \[$]IMPORT_LIB
 EOF
-               exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
+               exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
 CF_EOF
                chmod +x mk_shared_lib.sh
                ;;
@@ -6566,7 +6645,7 @@ if test "$with_gpm" != no ; then
 fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_LIBTOOL version: 28 updated: 2011/07/02 15:40:32
+dnl CF_WITH_LIBTOOL version: 29 updated: 2013/04/06 18:03:09
 dnl ---------------
 dnl Provide a configure option to incorporate libtool.  Define several useful
 dnl symbols for the makefile rules.
@@ -6636,7 +6715,14 @@ ifdef([AC_PROG_LIBTOOL],[
                CF_PATH_SYNTAX(with_libtool)
                LIBTOOL=$with_libtool
        else
-               AC_PATH_PROG(LIBTOOL,libtool)
+               AC_CHECK_TOOLS(LIBTOOL,[libtool glibtool],none)
+               CF_LIBTOOL_VERSION
+               if test -z "$cf_cv_libtool_version" && test "$LIBTOOL" = libtool
+               then
+                       CF_FORGET_TOOL(LIBTOOL)
+                       AC_CHECK_TOOLS(LIBTOOL,[glibtool],none)
+                       CF_LIBTOOL_VERSION
+               fi
        fi
        if test -z "$LIBTOOL" ; then
                AC_MSG_ERROR(Cannot find libtool)
@@ -6652,17 +6738,7 @@ ifdef([AC_PROG_LIBTOOL],[
        LIB_UNINSTALL='${LIBTOOL} --mode=uninstall'
        LIB_PREP=:
 
-       # Show the version of libtool
-       AC_MSG_CHECKING(version of libtool)
-
-       # Save the version in a cache variable - this is not entirely a good
-       # thing, but the version string from libtool is very ugly, and for
-       # bug reports it might be useful to have the original string. "("
-       cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
-       AC_MSG_RESULT($cf_cv_libtool_version)
-       if test -z "$cf_cv_libtool_version" ; then
-               AC_MSG_ERROR(This is not GNU libtool)
-       fi
+       CF_CHECK_LIBTOOL_VERSION
 
        # special hack to add -no-undefined (which libtool should do for itself)
        LT_UNDEF=
@@ -6974,7 +7050,7 @@ CF_NO_LEAKS_OPTION(valgrind,
        [USE_VALGRIND])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 42 updated: 2012/01/07 08:26:49
+dnl CF_XOPEN_SOURCE version: 43 updated: 2013/02/10 10:41:05
 dnl ---------------
 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
 dnl or adapt to the vendor's definitions to get equivalent functionality,
@@ -6984,6 +7060,7 @@ dnl Parameters:
 dnl    $1 is the nominal value for _XOPEN_SOURCE
 dnl    $2 is the nominal value for _POSIX_C_SOURCE
 AC_DEFUN([CF_XOPEN_SOURCE],[
+AC_REQUIRE([AC_CANONICAL_HOST])
 
 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])