]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - aclocal.m4
ncurses 6.0 - patch 20151010
[ncurses.git] / aclocal.m4
index 164ea18b3f627f1a87ec35f108f0fc7f7b76b793..6644ff06b597b3e3a63866f51dc9f3f0ac4d8fce 100644 (file)
@@ -28,7 +28,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: aclocal.m4,v 1.743 2015/04/18 13:01:42 tom Exp $
+dnl $Id: aclocal.m4,v 1.770 2015/10/10 19:27:07 tom Exp $
 dnl Macros used in NCURSES auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -62,6 +62,41 @@ AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
        fi
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_ABI_DEFAULTS version: 2 updated: 2015/06/06 13:49:58
+dnl ---------------
+dnl Provide configure-script defaults for different ncurses ABIs.
+AC_DEFUN([CF_ABI_DEFAULTS],[
+AC_REQUIRE([CF_NCURSES_WITH_ABI_VERSION])
+case x$cf_cv_abi_version in
+(x[[6789]])
+       cf_dft_ext_colors=yes
+       cf_dft_ext_const=yes
+       cf_dft_ext_mouse=yes
+       cf_dft_ext_putwin=yes
+       cf_dft_ext_spfuncs=yes
+       cf_dft_filter_syms=yes
+       cf_dft_chtype=uint32_t
+       cf_dft_mmask_t=uint32_t
+       cf_dft_interop=yes
+       cf_dft_tparm_arg=intptr_t
+       cf_dft_with_lp64=yes
+       ;;
+(*)
+       cf_dft_ext_colors=no
+       cf_dft_ext_const=no
+       cf_dft_ext_mouse=no
+       cf_dft_ext_putwin=no
+       cf_dft_ext_spfuncs=no
+       cf_dft_filter_syms=no
+       cf_dft_chtype=auto
+       cf_dft_mmask_t=auto
+       cf_dft_interop=no
+       cf_dft_tparm_arg=long
+       cf_dft_with_lp64=no
+       ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
 dnl ------------------
 dnl Conditionally generate script according to whether we're using a given autoconf.
@@ -208,7 +243,7 @@ AC_SUBST(EXTRA_CPPFLAGS)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
+dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04
 dnl -------------
 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
@@ -259,6 +294,8 @@ if test -n "$1" ; then
                else
                  break
                fi
+         else
+               break
          fi
        done
   done
@@ -363,7 +400,7 @@ dnl Allow user to disable a normally-on option.
 AC_DEFUN([CF_ARG_DISABLE],
 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
+dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
 dnl -------------
 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 dnl values.
@@ -376,25 +413,29 @@ dnl $4 = action if perform if option is default
 dnl $5 = default option value (either 'yes' or 'no')
 AC_DEFUN([CF_ARG_OPTION],
 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
-  if test "$enableval" != "$5" ; then
+       if test "$enableval" != "$5" ; then
 ifelse([$3],,[    :]dnl
 ,[    $3]) ifelse([$4],,,[
-  else
-    $4])
-  fi],[enableval=$5 ifelse([$4],,,[
-  $4
+       else
+               $4])
+       fi],[enableval=$5 ifelse([$4],,,[
+       $4
 ])dnl
-  ])])dnl
+])])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
+dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
 dnl -----------
 dnl Check for suitable "ar" (archiver) options for updating an archive.
+dnl
+dnl In particular, handle some obsolete cases where the "-" might be omitted,
+dnl as well as a workaround for breakage of make's archive rules by the GNU
+dnl binutils "ar" program.
 AC_DEFUN([CF_AR_FLAGS],[
 AC_REQUIRE([CF_PROG_AR])
 
 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
        cf_cv_ar_flags=unknown
-       for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
+       for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
        do
 
                # check if $ARFLAGS already contains this choice
@@ -1656,7 +1697,7 @@ unset ac_ct_$1
 unset $1
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_DLSYM version: 3 updated: 2012/10/06 11:17:15
+dnl CF_FUNC_DLSYM version: 4 updated: 2015/09/12 14:46:44
 dnl -------------
 dnl Test for dlsym() and related functions, as well as libdl.
 dnl
@@ -1673,7 +1714,7 @@ AC_CHECK_LIB(dl,dlsym,[
        cf_have_libdl=yes])])
 
 if test "$cf_have_dlsym" = yes ; then
-       test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
+       test "$cf_have_libdl" = yes && { CF_ADD_LIB(dl) }
 
        AC_MSG_CHECKING(whether able to link to dl*() functions)
        AC_TRY_LINK([#include <dlfcn.h>],[
@@ -1756,7 +1797,7 @@ int main() {
 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_OPENPTY version: 4 updated: 2015/04/18 08:56:57
+dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
 dnl ---------------
 dnl Check for openpty() function, along with <pty.h> header.  It may need the
 dnl "util" library as well.
@@ -1765,7 +1806,7 @@ AC_DEFUN([CF_FUNC_OPENPTY],
 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
        cf_save_LIBS="$LIBS"
-       test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
+       test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
        for cf_header in pty.h libutil.h util.h
        do
        AC_TRY_LINK([
@@ -1784,11 +1825,12 @@ AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_POLL version: 8 updated: 2012/10/04 05:24:07
+dnl CF_FUNC_POLL version: 9 updated: 2015/10/10 13:27:32
 dnl ------------
 dnl See if the poll function really works.  Some platforms have poll(), but
 dnl it does not work for terminals or files.
 AC_DEFUN([CF_FUNC_POLL],[
+tty 2>&1 >/dev/null || { AC_CHECK_FUNCS(posix_openpt) }
 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
 AC_TRY_RUN([
 #include <stdlib.h>
@@ -1800,7 +1842,7 @@ AC_TRY_RUN([
 #else
 #include <sys/poll.h>
 #endif
-int main() {
+int main(void) {
        struct pollfd myfds;
        int ret;
 
@@ -1820,6 +1862,11 @@ int main() {
                if (!isatty(fd)) {
                        fd = open("/dev/tty", 2);       /* O_RDWR */
                }
+#ifdef HAVE_POSIX_OPENPT
+               if (fd < 0) {
+                       fd = posix_openpt(O_RDWR);
+               }
+#endif
 
                if (fd >= 0) {
                        /* also check with standard input */
@@ -3191,7 +3238,7 @@ ifelse($1,,,[$1=$LIB_PREFIX])
        AC_SUBST(LIB_PREFIX)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIB_RULES version: 80 updated: 2015/04/17 21:13:04
+dnl CF_LIB_RULES version: 84 updated: 2015/09/26 17:54:46
 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
@@ -3248,6 +3295,7 @@ do
                if test -n "${cf_cv_abi_version}" && test "x${cf_cv_abi_version}" != "x5"
                then
                        cf_sed_options="$cf_sed_options -e \"s/NCURSES\\([[WT]]\\+\\)\?_/NCURSES\\1${cf_cv_abi_version}_/g\""
+                       cf_sed_options="$cf_sed_options -e \"/deprecated in ABI${cf_cv_abi_version}/d\""
                fi
 
                if test "x$WILDCARD_SYMS" = xno
@@ -3263,7 +3311,7 @@ do
 resulting.map: $UNALTERED_SYMS
        sed $cf_sed_options < $UNALTERED_SYMS >\[$]@
 
-clean::
+distclean::
        rm -f resulting.map
 CF_EOF
                fi
@@ -3297,7 +3345,7 @@ CF_EOF
                                                case "$cf_cv_system_name" in
                                                (darwin*)
                                                        # "w", etc?
-                                                       cf_suffix="${LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
+                                                       cf_suffix="${USE_LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
                                                        ;;
                                                (*)
                                                        cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
@@ -3480,24 +3528,24 @@ CF_EOF
                        if test -n "$USE_LIB_SUFFIX" ; then
                                case $USE_LIB_SUFFIX in
                                (tw*)
-                                       cf_libname=`echo $cf_libname | sed 's/tw$//'`
+                                       cf_libname=`echo $cf_libname | sed 's/tw'$EXTRA_SUFFIX'$//'`
                                        cf_suffix=`echo $cf_suffix | sed 's/^tw'$EXTRA_SUFFIX'//'`
-                                       cf_dir_suffix=tw
+                                       cf_dir_suffix=tw$EXTRA_SUFFIX
                                        ;;
                                (t*)
-                                       cf_libname=`echo $cf_libname | sed 's/t$//'`
+                                       cf_libname=`echo $cf_libname | sed 's/t'$EXTRA_SUFFIX'$//'`
                                        cf_suffix=`echo $cf_suffix | sed 's/^t'$EXTRA_SUFFIX'//'`
-                                       cf_dir_suffix=t
+                                       cf_dir_suffix=t$EXTRA_SUFFIX
                                        ;;
                                (w*)
-                                       cf_libname=`echo $cf_libname | sed 's/w$//'`
+                                       cf_libname=`echo $cf_libname | sed 's/w'$EXTRA_SUFFIX'$//'`
                                        cf_suffix=`echo $cf_suffix | sed 's/^w'$EXTRA_SUFFIX'//'`
-                                       cf_dir_suffix=w
+                                       cf_dir_suffix=w$EXTRA_SUFFIX
                                        ;;
                                (*)
-                                       cf_libname=`echo $cf_libname | sed 's/$//'`
+                                       cf_libname=`echo $cf_libname | sed 's/'$EXTRA_SUFFIX'$//'`
                                        cf_suffix=`echo $cf_suffix | sed 's/^'$EXTRA_SUFFIX'//'`
-                                       cf_dir_suffix=
+                                       cf_dir_suffix=$EXTRA_SUFFIX
                                        ;;
                                esac
                        fi
@@ -3662,7 +3710,7 @@ rm -f headers.sed headers.sh
 dnl ( generating this script makes the makefiles a little tidier :-)
 echo creating headers.sh
 cat >headers.sh <<CF_EOF
-#! /bin/sh
+#! $SHELL
 # This shell script is generated by the 'configure' script.  It is invoked in a
 # subdirectory of the build tree.  It generates a sed-script in the parent
 # directory that is used to adjust includes for header files that reside in a
@@ -4007,7 +4055,7 @@ int main()
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MAKEFLAGS version: 16 updated: 2015/04/15 19:08:48
+dnl CF_MAKEFLAGS version: 17 updated: 2015/08/05 20:44:28
 dnl ------------
 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
@@ -4020,7 +4068,7 @@ AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
        for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
        do
                cat >cf_makeflags.tmp <<CF_EOF
-SHELL = /bin/sh
+SHELL = $SHELL
 all :
        @ echo '.$cf_option'
 CF_EOF
@@ -4193,7 +4241,7 @@ if test -n "$cf_unknown" ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MANPAGE_RENAMES version: 9 updated: 2015/04/18 08:56:57
+dnl CF_MANPAGE_RENAMES version: 10 updated: 2015/08/05 20:44:28
 dnl ------------------
 dnl The Debian people have their own naming convention for manpages.  This
 dnl option lets us override the name of the file containing renaming, or
@@ -4232,7 +4280,7 @@ if test "$MANPAGE_RENAMES" != no ; then
        # Construct a sed-script to perform renaming within man-pages
        if test -n "$MANPAGE_RENAMES" ; then
                test ! -d man && mkdir man
-               sh $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
+               $SHELL $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
        fi
 fi
 
@@ -4302,7 +4350,7 @@ AC_ARG_WITH(manpage-tbl,
 AC_MSG_RESULT($MANPAGE_TBL)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MAN_PAGES version: 45 updated: 2015/04/18 08:56:57
+dnl CF_MAN_PAGES version: 46 updated: 2015/08/05 20:44:28
 dnl ------------
 dnl Try to determine if the man-pages on the system are compressed, and if
 dnl so, what format is used.  Use this information to construct a script that
@@ -4355,7 +4403,7 @@ cf_edit_man=./edit_man.sh
 cf_man_alias=`pwd`/man_alias.sed
 
 cat >$cf_edit_man <<CF_EOF
-#! /bin/sh
+#! $SHELL
 # this script is generated by the configure-script CF_MAN_PAGES macro.
 
 prefix="$cf_prefix"
@@ -4393,7 +4441,7 @@ shift || exit 1
 if test "\$form" = normal ; then
        if test "$cf_format" = yes ; then
        if test "$cf_inboth" = no ; then
-               sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
+               $SHELL \[$]0 format \$verb \$mandir \$srcdir \[$]*
                exit $?
        fi
        fi
@@ -4634,7 +4682,7 @@ done
 
 if test $cf_inboth = yes ; then
 if test \$form != format ; then
-       sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
+       $SHELL \[$]0 format \$verb \$mandir \$srcdir \[$]*
 fi
 fi
 
@@ -4758,7 +4806,7 @@ AC_DEFUN([CF_MSG_LOG],[
 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_ABI_6 version: 2 updated: 2015/04/17 21:13:04
+dnl CF_NCURSES_ABI_6 version: 3 updated: 2015/06/06 16:10:11
 dnl ----------------
 dnl Set ncurses' ABI to 6 unless overridden by explicit configure option, and
 dnl warn about this.
@@ -4768,7 +4816,7 @@ if test "${with_abi_version+set}" != set; then
        (5.*)
                cf_cv_rel_version=6.0
                cf_cv_abi_version=6
-               AC_MSG_WARN(Overriding ABI version to $cf_cv_abi_version)
+               AC_MSG_WARN(overriding ABI version to $cf_cv_abi_version)
                ;;
        esac
 fi
@@ -4895,7 +4943,7 @@ case ".[$]$1" in
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PKG_CONFIG version: 9 updated: 2015/04/12 15:39:00
+dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
 dnl -------------
 dnl Check for the package-config program, unless disabled by command-line.
 AC_DEFUN([CF_PKG_CONFIG],
@@ -4924,7 +4972,7 @@ esac
 test -z "$PKG_CONFIG" && PKG_CONFIG=none
 if test "$PKG_CONFIG" != none ; then
        CF_PATH_SYNTAX(PKG_CONFIG)
-else
+elif test "x$cf_pkg_config" != xno ; then
        AC_MSG_WARN(pkg-config is not installed)
 fi
 
@@ -5473,7 +5521,7 @@ CF_VERBOSE(...checked $1 [$]$1)
 AC_SUBST(EXTRA_LDFLAGS)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 87 updated: 2015/04/17 21:13:04
+dnl CF_SHARED_OPTS version: 89 updated: 2015/08/15 18:38:59
 dnl --------------
 dnl --------------
 dnl Attempt to determine the appropriate CC/LD options for creating a shared
@@ -5526,11 +5574,12 @@ AC_DEFUN([CF_SHARED_OPTS],
        (yes)
                cf_cv_shlib_version=auto
                ;;
-       (rel|abi|auto|no)
+       (rel|abi|auto)
                cf_cv_shlib_version=$withval
                ;;
        (*)
-               AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
+               AC_MSG_RESULT($withval)
+               AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
                ;;
        esac
        ],[cf_cv_shlib_version=auto])
@@ -5572,14 +5621,14 @@ AC_DEFUN([CF_SHARED_OPTS],
                ;;
        (cygwin*)
                CC_SHARED_OPTS=
-               MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
+               MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
                RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
                cf_cv_shlib_version=cygdll
                cf_cv_shlib_version_infix=cygdll
                shlibdir=$bindir
                MAKE_DLLS=
                cat >mk_shared_lib.sh <<-CF_EOF
-               #!/bin/sh
+               #!$SHELL
                SHARED_LIB=\[$]1
                IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
                shift
@@ -5594,14 +5643,14 @@ CF_EOF
                ;;
        (msys*)
                CC_SHARED_OPTS=
-               MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
+               MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
                RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
                cf_cv_shlib_version=msysdll
                cf_cv_shlib_version_infix=msysdll
                shlibdir=$bindir
                MAKE_DLLS=
                cat >mk_shared_lib.sh <<-CF_EOF
-               #!/bin/sh
+               #!$SHELL
                SHARED_LIB=\[$]1
                IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
                shift
@@ -5695,10 +5744,10 @@ CF_EOF
                        EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
                fi
                CC_SHARED_OPTS=
-               MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
+               MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
                RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
                cat >mk_shared_lib.sh <<-CF_EOF
-               #!/bin/sh
+               #!$SHELL
                SHARED_LIB=\[$]1
                IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
                shift
@@ -6208,33 +6257,51 @@ if test -n "$ADA_SUBDIRS"; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_STDCPP_LIBRARY version: 8 updated: 2015/04/17 21:13:04
+dnl CF_STDCPP_LIBRARY version: 10 updated: 2015/09/12 15:53:39
 dnl -----------------
 dnl Check for -lstdc++, which is GNU's standard C++ library.
+dnl If $CXXLIBS is set, add that to the libraries used for test-linking.
+dnl If -lstdc++ was not already added to $LIBS or $CXXLIBS, and is needed,
+dnl add it to $CXXLIBS.
 AC_DEFUN([CF_STDCPP_LIBRARY],
 [
 if test -n "$GXX" ; then
-case $cf_cv_system_name in
-(os2*)
-       cf_stdcpp_libname=stdcpp
-       ;;
-(*)
-       cf_stdcpp_libname=stdc++
-       ;;
-esac
-AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
+
        cf_save="$LIBS"
-       CF_ADD_LIB($cf_stdcpp_libname)
-AC_TRY_LINK([
-#include <strstream.h>],[
-char buf[80];
-strstreambuf foo(buf, sizeof(buf))
-],
-       [cf_cv_libstdcpp=yes],
-       [cf_cv_libstdcpp=no])
+       LIBS="$LIBS $CXXLIBS"
+       AC_MSG_CHECKING(if we already have C++ library)
+       AC_TRY_LINK([
+                       #include <iostream>],[
+                       std::cout << "Hello World!" << std::endl;],
+               [cf_have_libstdcpp=yes],
+               [cf_have_libstdcpp=no])
+       AC_MSG_RESULT($cf_have_libstdcpp)
        LIBS="$cf_save"
-])
-test "$cf_cv_libstdcpp" = yes && CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS)
+
+       if test $cf_have_libstdcpp != yes
+       then
+               case $cf_cv_system_name in
+               (os2*)
+                       cf_stdcpp_libname=stdcpp
+                       ;;
+               (*)
+                       cf_stdcpp_libname=stdc++
+                       ;;
+               esac
+
+               AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
+                       cf_save="$LIBS"
+                       LIBS="$LIBS $CXXLIBS"
+                       CF_ADD_LIB($cf_stdcpp_libname)
+               AC_TRY_LINK([
+                               #include <iostream>],[
+                               std::cout << "Hello World!" << std::endl;],
+                       [cf_cv_libstdcpp=yes],
+                       [cf_cv_libstdcpp=no])
+                       LIBS="$cf_save"
+               ])
+               test "$cf_cv_libstdcpp" = yes && { CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS) }
+       fi
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -6769,7 +6836,7 @@ weak_symbol(fopen);
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49
+dnl CF_WITH_ABI_VERSION version: 3 updated: 2015/06/06 16:10:11
 dnl -------------------
 dnl Allow library's ABI to be overridden.  Generally this happens when a
 dnl packager has incremented the ABI past that used in the original package,
@@ -6780,15 +6847,48 @@ dnl symbol.
 AC_DEFUN([CF_WITH_ABI_VERSION],[
 test -z "$cf_cv_abi_version" && cf_cv_abi_version=0
 AC_ARG_WITH(abi-version,
-[  --with-abi-version=XXX  override derived ABI version],
-[AC_MSG_WARN(overriding ABI version $cf_cv_abi_version to $withval)
- cf_cv_abi_version=$withval])
- CF_NUMBER_SYNTAX($cf_cv_abi_version,ABI version)
+[  --with-abi-version=XXX  override derived ABI version],[
+       if test "x$cf_cv_abi_version" != "x$withval"
+       then
+               AC_MSG_WARN(overriding ABI version $cf_cv_abi_version to $withval)
+               case $cf_cv_rel_version in
+               (5.*)
+                       cf_cv_rel_version=$withval.0
+                       ;;
+               (6.*)
+                       cf_cv_rel_version=$withval.9    # FIXME: should be 10 as of 6.0 release
+                       ;;
+               esac
+       fi
+       cf_cv_abi_version=$withval])
+       CF_NUMBER_SYNTAX($cf_cv_abi_version,ABI version)
 ifelse($1,,,[
 $1_ABI=$cf_cv_abi_version
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_WITH_ABI_VERSION version: 1 updated: 2015/06/06 13:49:58
+dnl ---------------------------
+dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49
+dnl -------------------
+dnl Allow ncurses's ABI to be overridden.  Generally this happens when a
+dnl packager has incremented the ABI past that used in the original package,
+dnl and wishes to keep doing this.
+dnl
+dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
+dnl symbol.
+AC_DEFUN([CF_NCURSES_WITH_ABI_VERSION],[
+CF_WITH_ABI_VERSION($1)
+if test "x$cf_cv_abi_version" != "x$with_abi_version"
+then
+       case $cf_cv_rel_version in
+       (5.*)
+               cf_cv_rel_version=$with_abi_version.0
+               ;;
+       esac
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
 dnl --------------------
 dnl Command-line option to specify the Ada95 compiler.
@@ -7210,15 +7310,25 @@ AC_SUBST($3)dnl
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PKG_CONFIG_LIBDIR version: 6 updated: 2015/04/17 21:13:04
+dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
 dnl -------------------------
 dnl Allow the choice of the pkg-config library directory to be overridden.
 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
-AC_MSG_CHECKING(for $PKG_CONFIG library directory)
+
+case $PKG_CONFIG in
+(no|none|yes)
+       AC_MSG_CHECKING(for pkg-config library directory)
+       ;;
+(*)
+       AC_MSG_CHECKING(for $PKG_CONFIG library directory)
+       ;;
+esac
+
+PKG_CONFIG_LIBDIR=no
 AC_ARG_WITH(pkg-config-libdir,
        [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
        [PKG_CONFIG_LIBDIR=$withval],
-       [PKG_CONFIG_LIBDIR=yes])
+       [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
 
 case x$PKG_CONFIG_LIBDIR in
 (x/*)
@@ -7274,7 +7384,9 @@ case x$PKG_CONFIG_LIBDIR in
        ;;
 esac
 
-AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
+if test "x$PKG_CONFIG_LIBDIR" != xno ; then
+       AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
+fi
 
 AC_SUBST(PKG_CONFIG_LIBDIR)
 ])dnl