]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - test/aclocal.m4
ncurses 6.1 - patch 20180616
[ncurses.git] / test / aclocal.m4
index ec32d0efa276a2ae99ac291e4df219ee9cf681b2..e7c9afb2aac2fdfd2bb75771469b9e7ff0cd9cb4 100644 (file)
@@ -1,5 +1,5 @@
 dnl***************************************************************************
 dnl***************************************************************************
-dnl Copyright (c) 2003-2016,2017 Free Software Foundation, Inc.              *
+dnl Copyright (c) 2003-2017,2018 Free Software Foundation, Inc.              *
 dnl                                                                          *
 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
 dnl copy of this software and associated documentation files (the            *
 dnl                                                                          *
 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
 dnl copy of this software and associated documentation files (the            *
@@ -26,7 +26,7 @@ dnl sale, use or other dealings in this Software without prior written       *
 dnl authorization.                                                           *
 dnl***************************************************************************
 dnl
 dnl authorization.                                                           *
 dnl***************************************************************************
 dnl
-dnl $Id: aclocal.m4,v 1.142 2017/08/20 18:12:43 tom Exp $
+dnl $Id: aclocal.m4,v 1.157 2018/06/16 23:11:00 tom Exp $
 dnl
 dnl Author: Thomas E. Dickey
 dnl
 dnl
 dnl Author: Thomas E. Dickey
 dnl
@@ -386,7 +386,7 @@ ifelse([$3],,[    :]dnl
 ])dnl
 ])])dnl
 dnl ---------------------------------------------------------------------------
 ])dnl
 ])])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CC_ENV_FLAGS version: 7 updated: 2017/02/25 18:57:40
+dnl CF_CC_ENV_FLAGS version: 8 updated: 2017/09/23 08:50:24
 dnl ---------------
 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 dnl into CC.  This will not help with broken scripts that wrap the compiler
 dnl ---------------
 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 dnl into CC.  This will not help with broken scripts that wrap the compiler
@@ -410,7 +410,7 @@ case "$CC" in
        AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
        # humor him...
        cf_prog=`echo "$CC" | sed -e 's/        / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
        AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
        # humor him...
        cf_prog=`echo "$CC" | sed -e 's/        / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
-       cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", substr([$]0,1+length(prog))); }'`
+       cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
        CC="$cf_prog"
        for cf_arg in $cf_flags
        do
        CC="$cf_prog"
        for cf_arg in $cf_flags
        do
@@ -490,17 +490,61 @@ AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],,
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_CURSES_LIB version: 1 updated: 2015/04/25 20:53:11
+dnl CF_CHECK_CURSES_LIB version: 2 updated: 2018/01/03 04:47:33
 dnl -------------------
 dnl $1 = nominal library name, used also for header lookup
 dnl $2 = suffix to append to library name
 dnl $3 = function to check for using AC_CHECK_LIB
 dnl -------------------
 dnl $1 = nominal library name, used also for header lookup
 dnl $2 = suffix to append to library name
 dnl $3 = function to check for using AC_CHECK_LIB
+dnl $4 = optional parameter list for $3
 AC_DEFUN([CF_CHECK_CURSES_LIB],
 [
 AC_DEFUN([CF_CHECK_CURSES_LIB],
 [
-AC_CHECK_LIB($1$2,$3,[
-CF_UPPER(cf_upper,have_lib$1)
-CF_ADD_LIBS(-l$1$2)
-AC_DEFINE_UNQUOTED($cf_upper,1)])
+AC_REQUIRE([CF_PKG_CONFIG])
+
+cf_have_curses_lib=no
+
+: ${NCURSES_CONFIG_PKG:=none}
+if test "x${NCURSES_CONFIG_PKG}" = xnone; then
+       :
+elif test "x${PKG_CONFIG:=none}" != xnone; then
+       AC_MSG_CHECKING(pkg-config for $1$2)
+       if "$PKG_CONFIG" --exists $1$2 ; then
+               AC_MSG_RESULT(yes)
+
+               AC_MSG_CHECKING(if the $1$2 package files work)
+
+               cf_save_CPPFLAGS="$CPPFLAGS"
+               cf_save_LIBS="$LIBS"
+
+               CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $1$2`)
+               CF_ADD_LIBS(`$PKG_CONFIG --libs $1$2`)
+
+               AC_TRY_LINK([#include <$1.h>],
+                       [(void) $3 ( ]ifelse([$4],,,[[$4]])[ );],
+                       [AC_TRY_RUN([#include <$1.h>
+                               int main(void)
+                               { (void) $3 ( ]ifelse([$4],,,[[$4]])[ ); return 0; }],
+                               [cf_have_curses_lib=yes],
+                               [cf_have_curses_lib=no],
+                               [cf_have_curses_lib=maybe])],
+                       [cf_have_curses_lib=no])
+               AC_MSG_RESULT($cf_have_curses_lib)
+               test "$cf_have_curses_lib" = maybe && cf_have_curses_lib=yes
+               if test "$cf_have_curses_lib" != "yes"
+               then
+                       CPPFLAGS="$cf_save_CPPFLAGS"
+                       LIBS="$cf_save_LIBS"
+               else
+                       CF_UPPER(cf_upper,have_lib$1)
+                       AC_DEFINE_UNQUOTED($cf_upper,1)
+               fi
+       fi
+fi
+if test "$cf_have_curses_lib" = no; then
+       AC_CHECK_LIB($1$2,$3,[
+               CF_UPPER(cf_upper,have_lib$1)
+               CF_ADD_LIBS(-l$1$2)
+               AC_DEFINE_UNQUOTED($cf_upper,1)])
+fi
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
@@ -557,7 +601,7 @@ done
 test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map,[Define as needed to override ncurses prefix _nc_])
 ])
 dnl ---------------------------------------------------------------------------
 test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map,[Define as needed to override ncurses prefix _nc_])
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_CHECK_DATA version: 6 updated: 2017/07/28 19:05:31
+dnl CF_CURSES_CHECK_DATA version: 7 updated: 2018/01/03 04:47:33
 dnl --------------------
 dnl Check if curses.h defines the given data/variable.
 dnl Use this after CF_NCURSES_CONFIG or CF_CURSES_CONFIG.
 dnl --------------------
 dnl Check if curses.h defines the given data/variable.
 dnl Use this after CF_NCURSES_CONFIG or CF_CURSES_CONFIG.
@@ -589,7 +633,7 @@ extern char $cf_data;
 int main(void)
 {
        void *foo = &($cf_data);
 int main(void)
 {
        void *foo = &($cf_data);
-       fprintf(stderr, "testing linkage of $cf_data:%p\n", foo);
+       fprintf(stderr, "testing linkage of $cf_data:%p\n", (void *)foo);
        ${cf_cv_main_return:-return}(foo == 0);
 }],[cf_result=yes
 ],[cf_result=no],[
        ${cf_cv_main_return:-return}(foo == 0);
 }],[cf_result=yes
 ],[cf_result=no],[
@@ -598,7 +642,7 @@ int main(void)
 [extern char $cf_data;],[
        do {
                void *foo = &($cf_data);
 [extern char $cf_data;],[
        do {
                void *foo = &($cf_data);
-               fprintf(stderr, "testing linkage of $cf_data:%p\n", foo);
+               fprintf(stderr, "testing linkage of $cf_data:%p\n", (void *)foo);
                ${cf_cv_main_return:-return}(foo == 0);
        } while (0)
 ],[cf_result=yes],[cf_result=no])
                ${cf_cv_main_return:-return}(foo == 0);
        } while (0)
 ],[cf_result=yes],[cf_result=no])
@@ -678,7 +722,7 @@ CF_CURSES_HEADER
 CF_TERM_HEADER
 ])dnl
 dnl ---------------------------------------------------------------------------
 CF_TERM_HEADER
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_FUNCS version: 18 updated: 2014/07/19 18:44:41
+dnl CF_CURSES_FUNCS version: 19 updated: 2018/01/03 04:47:33
 dnl ---------------
 dnl Curses-functions are a little complicated, since a lot of them are macros.
 AC_DEFUN([CF_CURSES_FUNCS],
 dnl ---------------
 dnl Curses-functions are a little complicated, since a lot of them are macros.
 AC_DEFUN([CF_CURSES_FUNCS],
@@ -699,9 +743,9 @@ do
                        [
 #ifndef ${cf_func}
 long foo = (long)(&${cf_func});
                        [
 #ifndef ${cf_func}
 long foo = (long)(&${cf_func});
-fprintf(stderr, "testing linkage of $cf_func:%p\n", foo);
-if (foo + 1234 > 5678)
-       ${cf_cv_main_return:-return}(foo);
+fprintf(stderr, "testing linkage of $cf_func:%p\n", (void *)foo);
+if (foo + 1234L > 5678L)
+       ${cf_cv_main_return:-return}(foo != 0);
 #endif
                        ],
                        [cf_result=yes],
 #endif
                        ],
                        [cf_result=yes],
@@ -745,7 +789,7 @@ fi
 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 ])dnl
 dnl ---------------------------------------------------------------------------
 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_LIBS version: 39 updated: 2015/05/10 19:52:14
+dnl CF_CURSES_LIBS version: 41 updated: 2017/12/31 19:23:43
 dnl --------------
 dnl Look for the curses libraries.  Older curses implementations may require
 dnl termcap/termlib to be linked as well.  Call CF_CURSES_CPPFLAGS first.
 dnl --------------
 dnl Look for the curses libraries.  Older curses implementations may require
 dnl termcap/termlib to be linked as well.  Call CF_CURSES_CPPFLAGS first.
@@ -827,7 +871,10 @@ if test ".$ac_cv_func_initscr" != .yes ; then
                AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
                        for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown
                        do
                AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
                        for cf_term_lib in $cf_check_list otermcap termcap tinfo termlib unknown
                        do
-                               AC_CHECK_LIB($cf_term_lib,tgoto,[break])
+                               AC_CHECK_LIB($cf_term_lib,tgoto,[
+                                       : ${cf_nculib_root:=$cf_term_lib}
+                                       break
+                               ])
                        done
                ])
        fi
                        done
                ])
        fi
@@ -839,7 +886,7 @@ if test ".$ac_cv_func_initscr" != .yes ; then
                for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
                do
                        LIBS="-l$cf_curs_lib $cf_save_LIBS"
                for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
                do
                        LIBS="-l$cf_curs_lib $cf_save_LIBS"
-                       if test "$cf_term_lib" = unknown ; then
+                       if test "$cf_term_lib" = unknown || test "$cf_term_lib" = "$cf_curs_lib" ; then
                                AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
                                AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
                                        [initscr()],
                                AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
                                AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
                                        [initscr()],
@@ -1178,7 +1225,7 @@ if test "x$with_string_hacks" = "xyes"; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ENABLE_WARNINGS version: 4 updated: 2009/07/26 17:53:03
+dnl CF_ENABLE_WARNINGS version: 5 updated: 2017/09/29 20:01:16
 dnl ------------------
 dnl Configure-option to enable gcc warnings
 AC_DEFUN([CF_ENABLE_WARNINGS],[
 dnl ------------------
 dnl Configure-option to enable gcc warnings
 AC_DEFUN([CF_ENABLE_WARNINGS],[
@@ -1193,7 +1240,7 @@ AC_MSG_RESULT($with_warnings)
 if test "$with_warnings" = "yes"
 then
        CF_GCC_ATTRIBUTES
 if test "$with_warnings" = "yes"
 then
        CF_GCC_ATTRIBUTES
-       CF_GCC_WARNINGS
+       CF_GCC_WARNINGS($1)
 fi
 fi
 ])dnl
 fi
 fi
 ])dnl
@@ -1699,7 +1746,7 @@ if test $cf_cv_getopt_header = getopt.h ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GNU_SOURCE version: 7 updated: 2016/08/05 05:15:37
+dnl CF_GNU_SOURCE version: 8 updated: 2018/06/16 19:05:13
 dnl -------------
 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
 dnl -------------
 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
@@ -1707,38 +1754,98 @@ dnl (or misfeature) of glibc2, which breaks portability of many applications,
 dnl since it is interwoven with GNU extensions.
 dnl
 dnl Well, yes we could work around it...
 dnl since it is interwoven with GNU extensions.
 dnl
 dnl Well, yes we could work around it...
+dnl
+dnl Parameters:
+dnl    $1 is the nominal value for _XOPEN_SOURCE
 AC_DEFUN([CF_GNU_SOURCE],
 [
 AC_DEFUN([CF_GNU_SOURCE],
 [
-AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
+cf_gnu_xopen_source=ifelse($1,,500,$1)
+
+AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
 AC_TRY_COMPILE([#include <sys/types.h>],[
 AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifndef _XOPEN_SOURCE
-make an error
-#endif],
-       [cf_cv_gnu_source=no],
-       [cf_save="$CPPFLAGS"
-        CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
-        AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifdef _XOPEN_SOURCE
-make an error
-#endif],
-       [cf_cv_gnu_source=no],
-       [cf_cv_gnu_source=yes])
-       CPPFLAGS="$cf_save"
-       ])
+       #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
+               return 0;
+       #else
+       #       error not GNU C library
+       #endif],
+       [cf_cv_gnu_library=yes],
+       [cf_cv_gnu_library=no])
 ])
 
 ])
 
-if test "$cf_cv_gnu_source" = yes
-then
-AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
-CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
-       AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifdef _DEFAULT_SOURCE
-make an error
-#endif],
-               [cf_cv_default_source=no],
-               [cf_cv_default_source=yes])
+if test x$cf_cv_gnu_library = xyes; then
+
+       # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
+       # was changed to help a little...
+       AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
+               cf_save="$CPPFLAGS"
+               CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
+               AC_TRY_COMPILE([#include <sys/types.h>],[
+                       #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
+                               return 0;
+                       #else
+                       #       error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
+                       #endif],
+                       [cf_cv_gnu_library_219=yes],
+                       [cf_cv_gnu_library_219=no])
+               CPPFLAGS="$cf_save"
        ])
        ])
-test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
+
+       if test "x$cf_cv_gnu_library_219" = xyes; then
+               AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
+                       cf_save="$CPPFLAGS"
+                       CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source"
+                       AC_TRY_COMPILE([
+                               #include <limits.h>
+                               #include <sys/types.h>
+                               ],[
+                               #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
+                                       return 0;
+                               #else
+                               #       error GNU C library is too old
+                               #endif],
+                               [cf_cv_gnu_dftsrc_219=yes],
+                               [cf_cv_gnu_dftsrc_219=no])
+                       ])
+               test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
+       else
+               cf_cv_gnu_dftsrc_219=maybe
+       fi
+
+       if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
+
+               AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
+               AC_TRY_COMPILE([#include <sys/types.h>],[
+                       #ifndef _XOPEN_SOURCE
+                       #error  expected _XOPEN_SOURCE to be defined
+                       #endif],
+                       [cf_cv_gnu_source=no],
+                       [cf_save="$CPPFLAGS"
+                        CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+                        AC_TRY_COMPILE([#include <sys/types.h>],[
+                               #ifdef _XOPEN_SOURCE
+                               #error  expected _XOPEN_SOURCE to be undefined
+                               #endif],
+                               [cf_cv_gnu_source=no],
+                               [cf_cv_gnu_source=yes])
+                       CPPFLAGS="$cf_save"
+                       ])
+               ])
+
+               if test "$cf_cv_gnu_source" = yes
+               then
+               AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
+                       CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+                       AC_TRY_COMPILE([#include <sys/types.h>],[
+                               #ifdef _DEFAULT_SOURCE
+                               #error  expected _DEFAULT_SOURCE to be undefined
+                               #endif],
+                               [cf_cv_default_source=no],
+                               [cf_cv_default_source=yes])
+                       ])
+                       test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
+               fi
+       fi
+
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -1803,6 +1910,64 @@ AC_DEFUN([CF_INHERIT_SCRIPT],
 test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
 ])dnl
 dnl ---------------------------------------------------------------------------
 test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_INSTALL_OPTS version: 1 updated: 2014/07/21 18:19:51
+dnl ---------------
+dnl prompt for/fill-in useful install-program options
+AC_DEFUN([CF_INSTALL_OPTS],
+[
+CF_INSTALL_OPT_S
+CF_INSTALL_OPT_O
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
+dnl ----------------
+dnl Almost all "install" programs default to the current user's ownership.
+dnl Almost - MINIX is an exception.
+AC_DEFUN([CF_INSTALL_OPT_O],
+[
+AC_MSG_CHECKING(if install needs to be told about ownership)
+case `$ac_config_guess` in
+(*minix)
+       with_install_o=yes
+       ;;
+(*)
+       with_install_o=no
+       ;;
+esac
+
+AC_MSG_RESULT($with_install_o)
+if test "x$with_install_o" = xyes
+then
+       INSTALL_OPT_O=`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`
+else
+       INSTALL_OPT_O=
+fi
+
+AC_SUBST(INSTALL_OPT_O)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_INSTALL_OPT_S version: 1 updated: 2014/07/21 18:19:51
+dnl ----------------
+dnl By default, we should strip executables which are installed, but leave the
+dnl ability to suppress that for unit-testing.
+AC_DEFUN([CF_INSTALL_OPT_S],
+[
+AC_MSG_CHECKING(if you want to install stripped executables)
+CF_ARG_DISABLE(stripping,
+       [  --disable-stripping     do not strip installed executables],
+       [with_stripping=no],
+       [with_stripping=yes])
+AC_MSG_RESULT($with_stripping)
+
+if test "$with_stripping" = yes
+then
+       INSTALL_OPT_S="-s"
+else
+       INSTALL_OPT_S=
+fi
+AC_SUBST(INSTALL_OPT_S)
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
 dnl -----------------
 dnl Check if the given compiler is really the Intel compiler for Linux.  It
 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
 dnl -----------------
 dnl Check if the given compiler is really the Intel compiler for Linux.  It
@@ -2057,7 +2222,7 @@ printf("old\n");
        ,[$1=no])
 ])dnl
 dnl ---------------------------------------------------------------------------
        ,[$1=no])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CONFIG version: 18 updated: 2017/07/23 18:30:00
+dnl CF_NCURSES_CONFIG version: 20 updated: 2018/01/03 04:47:33
 dnl -----------------
 dnl Tie together the configure-script macros for ncurses, preferring these in
 dnl order:
 dnl -----------------
 dnl Tie together the configure-script macros for ncurses, preferring these in
 dnl order:
@@ -2104,8 +2269,8 @@ if test "x${PKG_CONFIG:=none}" != xnone; then
                else
                        AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
                        NCURSES_CONFIG_PKG=$cf_ncuconfig_root
                else
                        AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
                        NCURSES_CONFIG_PKG=$cf_ncuconfig_root
+                       CF_TERM_HEADER
                fi
                fi
-               CF_TERM_HEADER
 
        else
                AC_MSG_RESULT(no)
 
        else
                AC_MSG_RESULT(no)
@@ -2116,11 +2281,11 @@ else
 fi
 
 if test "x$cf_have_ncuconfig" = "xno"; then
 fi
 
 if test "x$cf_have_ncuconfig" = "xno"; then
-       echo "Looking for ${cf_ncuconfig_root}-config"
+       cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
 
        CF_ACVERSION_CHECK(2.52,
 
        CF_ACVERSION_CHECK(2.52,
-               [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
-               [AC_PATH_PROGS(NCURSES_CONFIG,  ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
+               [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
+               [AC_PATH_PROGS(NCURSES_CONFIG,  ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
 
        if test "$NCURSES_CONFIG" != none ; then
 
 
        if test "$NCURSES_CONFIG" != none ; then
 
@@ -3461,6 +3626,92 @@ CF_NO_LEAKS_OPTION(valgrind,
        [USE_VALGRIND])
 ])dnl
 dnl ---------------------------------------------------------------------------
        [USE_VALGRIND])
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_WITH_X11_RGB version: 1 updated: 2017/11/25 17:32:16
+dnl ---------------
+dnl Handle configure option "--with-x11-rgb", setting these shell
+dnl variables:
+dnl
+dnl $RGB_PATH is the option value, used for finding the X11 rgb file.
+dnl $no_x11_rgb is a "#" (comment) if "--without-x11-rgb" is given.
+dnl
+dnl Most Linux's use this:
+dnl    /usr/share/X11/rgb.txt
+dnl Debian uses this:
+dnl    /etc/X11/rgb.txt
+dnl DragonFlyBSD ports uses this:
+dnl    /usr/pkg/lib/X11/rgb.txt
+dnl FreeBSD ports use these:
+dnl    /usr/local/lib/X11/rgb.txt
+dnl    /usr/local/share/X11/rgb.txt
+dnl Mandriva has these:
+dnl    /usr/lib/X11/rgb.txt
+dnl    /usr/lib64/X11/rgb.txt
+dnl NetBSD has these
+dnl    /usr/X11R7/lib/X11/rgb.txt
+dnl OpenSolaris uses
+dnl    32-bit:
+dnl    /usr/X11/etc/X11/rgb.txt
+dnl    /usr/X11/share/X11/rgb.txt
+dnl    /usr/X11/lib/X11/rgb.txt
+dnl OSX uses
+dnl            /opt/local/share/X11/rgb.txt (MacPorts)
+dnl            /opt/X11/share/X11/rgb.txt (non-ports)
+dnl    64-bit:
+dnl    /usr/X11/etc/X11/rgb.txt
+dnl    /usr/X11/share/X11/rgb.txt (perhaps)
+dnl    /usr/X11/lib/amd64/X11/rgb.txt
+dnl Solaris10 uses (in this order):
+dnl    /usr/openwin/lib/X11/rgb.txt
+dnl    /usr/X11/lib/X11/rgb.txt
+AC_DEFUN([CF_WITH_X11_RGB],[
+AC_MSG_CHECKING(for X11 rgb file)
+AC_ARG_WITH(x11-rgb,
+       [  --with-x11-rgb=FILE   file containing X11 rgb information (EPREFIX/lib/X11/rgb.txt)],
+       [RGB_PATH=$withval],
+       [RGB_PATH=auto])
+
+if test "x[$]RGB_PATH" = xauto
+then
+       RGB_PATH='${exec_prefix}/lib/X11/rgb.txt'
+       for cf_path in \
+               /opt/local/share/X11/rgb.txt \
+               /opt/X11/share/X11/rgb.txt \
+               /usr/share/X11/rgb.txt \
+               /usr/X11/share/X11/rgb.txt \
+               /usr/X11/lib/X11/rgb.txt \
+               /usr/lib/X11/rgb.txt \
+               /etc/X11/rgb.txt \
+               /usr/pkg/lib/X11/rgb.txt \
+               /usr/X11R7/lib/X11/rgb.txt \
+               /usr/X11R6/lib/X11/rgb.txt \
+               /usr/X11R5/lib/X11/rgb.txt \
+               /usr/X11R4/lib/X11/rgb.txt \
+               /usr/local/lib/X11/rgb.txt \
+               /usr/local/share/X11/rgb.txt \
+               /usr/lib64/X11/rgb.txt
+       do
+               if test -f "$cf_path" ; then
+                       RGB_PATH="$cf_path"
+                       break
+               fi
+       done
+else
+       cf_path=$RGB_PATH
+       CF_PATH_SYNTAX(cf_path)
+fi
+
+AC_MSG_RESULT($RGB_PATH)
+AC_SUBST(RGB_PATH)
+AC_DEFINE_UNQUOTED(RGB_PATH,"$cf_path")
+
+no_x11_rgb=
+if test "$RGB_PATH" = no
+then
+       no_x11_rgb="#"
+fi
+AC_SUBST(no_x11_rgb)
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_XOPEN_CURSES version: 13 updated: 2015/12/12 20:59:52
 dnl ---------------
 dnl Test if we should define X/Open source for curses, needed on Digital Unix
 dnl CF_XOPEN_CURSES version: 13 updated: 2015/12/12 20:59:52
 dnl ---------------
 dnl Test if we should define X/Open source for curses, needed on Digital Unix
@@ -3516,7 +3767,7 @@ esac
 
 ])dnl
 dnl ---------------------------------------------------------------------------
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 52 updated: 2016/08/27 12:21:42
+dnl CF_XOPEN_SOURCE version: 53 updated: 2018/06/16 18:58:58
 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,
 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,
@@ -3565,7 +3816,7 @@ case $host_os in
        cf_XOPEN_SOURCE=
        ;;
 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
        cf_XOPEN_SOURCE=
        ;;
 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
-       CF_GNU_SOURCE
+       CF_GNU_SOURCE($cf_XOPEN_SOURCE)
        ;;
 (minix*)
        cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
        ;;
 (minix*)
        cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...