]> ncurses.scripts.mit.edu Git - ncurses.git/blobdiff - test/aclocal.m4
ncurses 5.7 - patch 20100403
[ncurses.git] / test / aclocal.m4
index afc50fea05ce80973556e92e7721ef5964e6406d..3fee015fffe654e95cb71560f832326434dc1ba3 100644 (file)
@@ -1,5 +1,5 @@
 dnl***************************************************************************
-dnl Copyright (c) 2003-2007,2008 Free Software Foundation, Inc.              *
+dnl Copyright (c) 2003-2009,2010 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            *
@@ -26,7 +26,7 @@ dnl sale, use or other dealings in this Software without prior written       *
 dnl authorization.                                                           *
 dnl***************************************************************************
 dnl
-dnl $Id: aclocal.m4,v 1.22 2008/02/09 18:22:17 tom Exp $
+dnl $Id: aclocal.m4,v 1.34 2010/04/04 00:08:48 tom Exp $
 dnl
 dnl Author: Thomas E. Dickey
 dnl
@@ -40,7 +40,7 @@ dnl See http://invisible-island.net/autoconf/ for additional information.
 dnl
 dnl ---------------------------------------------------------------------------
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_CFLAGS version: 7 updated: 2004/04/25 17:48:30
+dnl CF_ADD_CFLAGS version: 9 updated: 2010/01/09 11:05:50
 dnl -------------
 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 dnl The second parameter if given makes this macro verbose.
@@ -66,8 +66,8 @@ no)
                        cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 
                        test "${cf_add_cflags}" != "${cf_tst_cflags}" \
-                       && test -z "${cf_tst_cflags}" \
-                       && cf_fix_cppflags=yes
+                               && test -z "${cf_tst_cflags}" \
+                               && cf_fix_cppflags=yes
 
                        if test $cf_fix_cppflags = yes ; then
                                cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
@@ -82,6 +82,12 @@ no)
                *$cf_add_cflags) #(vi
                        ;;
                *) #(vi
+                       case $cf_add_cflags in #(vi
+                       -D*)
+                               cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
+                               CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
+                               ;;
+                       esac
                        cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
                        ;;
                esac
@@ -97,8 +103,8 @@ yes)
        cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 
        test "${cf_add_cflags}" != "${cf_tst_cflags}" \
-       && test -z "${cf_tst_cflags}" \
-       && cf_fix_cppflags=no
+               && test -z "${cf_tst_cflags}" \
+               && cf_fix_cppflags=no
        ;;
 esac
 done
@@ -110,7 +116,7 @@ fi
 
 if test -n "$cf_new_cppflags" ; then
        ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
-       CPPFLAGS="$cf_new_cppflags $CPPFLAGS"
+       CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
@@ -122,7 +128,7 @@ AC_SUBST(EXTRA_CPPFLAGS)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_INCDIR version: 9 updated: 2008/02/09 13:15:34
+dnl CF_ADD_INCDIR version: 12 updated: 2009/01/18 10:00:47
 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,
@@ -149,7 +155,7 @@ if test -n "$1" ; then
                fi
 
                if test "$cf_have_incdir" = no ; then
-          if test "$cf_add_incdir" = /usr/local/include ; then
+                 if test "$cf_add_incdir" = /usr/local/include ; then
                        if test "$GCC" = yes
                        then
                          cf_save_CPPFLAGS=$CPPFLAGS
@@ -165,11 +171,11 @@ if test -n "$1" ; then
 
                if test "$cf_have_incdir" = no ; then
                  CF_VERBOSE(adding $cf_add_incdir to include-path)
-                 ifelse($2,,CPPFLAGS,$2)="-I$cf_add_incdir $ifelse($2,,CPPFLAGS,[$]$2)"
+                 ifelse($2,,CPPFLAGS,$2)="$ifelse($2,,CPPFLAGS,$2) -I$cf_add_incdir"
 
-          cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
-          test "$cf_top_incdir" = "$cf_add_incdir" && break
-          cf_add_incdir="$cf_top_incdir"
+                 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+                 test "$cf_top_incdir" = "$cf_add_incdir" && break
+                 cf_add_incdir="$cf_top_incdir"
                else
                  break
                fi
@@ -179,7 +185,7 @@ if test -n "$1" ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_LIBDIR version: 6 updated: 2008/02/09 13:15:34
+dnl CF_ADD_LIBDIR version: 8 updated: 2009/01/18 10:01:08
 dnl -------------
 dnl    Adds to the library-path
 dnl
@@ -208,7 +214,7 @@ if test -n "$1" ; then
       fi
       if test "$cf_have_libdir" = no ; then
         CF_VERBOSE(adding $cf_add_libdir to library-path)
-        ifelse($2,,LDFLAGS,$2)="-L$cf_add_libdir $ifelse($2,,LDFLAGS,[$]$2)"
+        ifelse($2,,LDFLAGS,$2)="-L$cf_add_libdir $ifelse($2,,LDFLAGS,$2)"
       fi
     fi
   done
@@ -289,7 +295,7 @@ fi
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ANSI_CC_REQD version: 3 updated: 1997/09/06 13:40:44
+dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
 dnl ---------------
 dnl For programs that must use an ANSI compiler, obtain compiler options that
 dnl will make it recognize prototypes.  We'll do preprocessor checks in other
@@ -298,7 +304,7 @@ dnl the preprocessor.
 AC_DEFUN([CF_ANSI_CC_REQD],
 [AC_REQUIRE([CF_ANSI_CC_CHECK])
 if test "$cf_cv_ansi_cc" = "no"; then
-       AC_ERROR(
+       AC_MSG_ERROR(
 [Your compiler does not appear to recognize prototypes.
 You have the following choices:
        a. adjust your compiler options
@@ -342,7 +348,7 @@ ifelse($3,,[    :]dnl
 ])dnl
   ])])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_CACHE version: 10 updated: 2004/05/23 13:03:31
+dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
 dnl --------------
 dnl Check if we're accidentally using a cache from a different machine.
 dnl Derive the system name, as a check for reusing the autoconf cache.
@@ -373,7 +379,7 @@ test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name
 
 if test ".$system_name" != ".$cf_cv_system_name" ; then
        AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
-       AC_ERROR("Please remove config.cache and try again.")
+       AC_MSG_ERROR("Please remove config.cache and try again.")
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -399,14 +405,15 @@ AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],,
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_ACS_MAP version: 3 updated: 2003/05/17 22:19:02
+dnl CF_CURSES_ACS_MAP version: 5 updated: 2009/03/28 16:08:10
 dnl -----------------
 dnl Check for likely values of acs_map[]:
 AC_DEFUN([CF_CURSES_ACS_MAP],
 [
+AC_REQUIRE([CF_NCURSES_WRAP_PREFIX])dnl
 AC_CACHE_CHECK(for alternate character set array, cf_cv_curses_acs_map,[
 cf_cv_curses_acs_map=unknown
-for name in acs_map _acs_map __acs_map _nc_acs_map
+for name in acs_map _acs_map __acs_map ${NCURSES_WRAP_PREFIX}acs_map
 do
 AC_TRY_LINK([
 #include <${cf_cv_ncurses_header-curses.h}>
@@ -419,6 +426,37 @@ done
 test "$cf_cv_curses_acs_map" != unknown && AC_DEFINE_UNQUOTED(CURSES_ACS_ARRAY,$cf_cv_curses_acs_map)
 ])
 dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_CHECK_DATA version: 2 updated: 2009/07/16 21:03:10
+dnl --------------------
+dnl Check if curses.h defines the given data/variable.
+dnl Use this after CF_NCURSES_CONFIG or CF_CURSES_CONFIG.
+AC_DEFUN([CF_CURSES_CHECK_DATA],
+[
+AC_MSG_CHECKING(for data $1 declaration in ${cf_cv_ncurses_header-curses.h})
+AC_TRY_COMPILE(CF__CURSES_HEAD,[
+void *foo = &($1)
+],cf_result=yes,cf_result=no)
+AC_MSG_RESULT($cf_result)
+if test $cf_result = yes ; then
+       CF_UPPER(cf_result,have_curses_data_$1)
+       AC_DEFINE_UNQUOTED($cf_result)
+else
+       AC_MSG_CHECKING(for data $1 in library)
+       AC_TRY_LINK(CF__CURSES_HEAD
+[extern char $1;],[
+       do {
+               void *foo = &($1);
+               ${cf_cv_main_return-return}(foo == 0);
+       } while (0)
+],[cf_result=yes],[cf_result=no])
+       AC_MSG_RESULT($cf_result)
+       if test $cf_result = yes ; then
+               CF_UPPER(cf_result,decl_curses_data_$1)
+               AC_DEFINE_UNQUOTED($cf_result)
+       fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_CURSES_CHECK_TYPE version: 2 updated: 2003/03/01 23:40:33
 dnl --------------------
 dnl Check if curses.h defines the given type
@@ -441,7 +479,19 @@ else
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_CPPFLAGS version: 9 updated: 2006/02/04 19:44:43
+dnl CF_CURSES_CONFIG version: 2 updated: 2006/10/29 11:06:27
+dnl ----------------
+dnl Tie together the configure-script macros for curses.  It may be ncurses,
+dnl but unless asked, we do not make a special search for ncurses.  However,
+dnl still check for the ncurses version number, for use in other macros.
+AC_DEFUN([CF_CURSES_CONFIG],
+[
+CF_CURSES_CPPFLAGS
+CF_NCURSES_VERSION
+CF_CURSES_LIBS
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_CPPFLAGS version: 10 updated: 2009/01/06 19:34:11
 dnl ------------------
 dnl Look for the curses headers.
 AC_DEFUN([CF_CURSES_CPPFLAGS],[
@@ -460,13 +510,13 @@ sunos3*|sunos4*)
        ;;
 esac
 ])
-test "$cf_cv_curses_incdir" != no && CPPFLAGS="$cf_cv_curses_incdir $CPPFLAGS"
+test "$cf_cv_curses_incdir" != no && CPPFLAGS="$CPPFLAGS $cf_cv_curses_incdir"
 
 CF_CURSES_HEADER
 CF_TERM_HEADER
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_FUNCS version: 13 updated: 2007/04/28 09:15:55
+dnl CF_CURSES_FUNCS version: 14 updated: 2009/07/16 19:34:55
 dnl ---------------
 dnl Curses-functions are a little complicated, since a lot of them are macros.
 AC_DEFUN([CF_CURSES_FUNCS],
@@ -482,24 +532,7 @@ do
        AC_CACHE_VAL(cf_cv_func_$cf_func,[
                eval cf_result='$ac_cv_func_'$cf_func
                if test ".$cf_result" != ".no"; then
-                       AC_TRY_LINK([
-#ifdef HAVE_XCURSES
-#include <xcurses.h>
-char * XCursesProgramName = "test";
-#else
-#include <${cf_cv_ncurses_header-curses.h}>
-#if defined(NCURSES_VERSION) && defined(HAVE_NCURSESW_TERM_H)
-#include <ncursesw/term.h>
-#else
-#if defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H)
-#include <ncurses/term.h>
-#else
-#ifdef HAVE_TERM_H
-#include <term.h>
-#endif
-#endif
-#endif
-#endif],
+                       AC_TRY_LINK(CF__CURSES_HEAD,
                        [
 #ifndef ${cf_func}
 long foo = (long)(&${cf_func});
@@ -549,7 +582,7 @@ fi
 AC_CHECK_HEADERS($cf_cv_ncurses_header)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_LIBS version: 26 updated: 2007/07/29 10:32:40
+dnl CF_CURSES_LIBS version: 29 updated: 2009/01/06 19:34:57
 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.
@@ -576,7 +609,7 @@ hpux10.*) #(vi
     AC_CHECK_LIB(Hcurses,initscr,[
         # HP's header uses __HP_CURSES, but user claims _HP_CURSES.
         LIBS="-lHcurses $LIBS"
-        CPPFLAGS="-D__HP_CURSES -D_HP_CURSES $CPPFLAGS"
+        CPPFLAGS="$CPPFLAGS -D__HP_CURSES -D_HP_CURSES"
         ac_cv_func_initscr=yes
         ])])
     ;;
@@ -615,11 +648,11 @@ if test ".$ac_cv_func_initscr" != .yes ; then
 
     # Check for library containing initscr
     test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
-    for cf_curs_lib in $cf_check_list xcurses jcurses unknown
+       for cf_curs_lib in $cf_check_list xcurses jcurses pdcurses unknown
     do
         AC_CHECK_LIB($cf_curs_lib,initscr,[break])
     done
-    test $cf_curs_lib = unknown && AC_ERROR(no curses library found)
+    test $cf_curs_lib = unknown && AC_MSG_ERROR(no curses library found)
 
     LIBS="-l$cf_curs_lib $cf_save_LIBS"
     if test "$cf_term_lib" = unknown ; then
@@ -629,7 +662,7 @@ if test ".$ac_cv_func_initscr" != .yes ; then
             [cf_result=yes],
             [cf_result=no])
         AC_MSG_RESULT($cf_result)
-        test $cf_result = no && AC_ERROR(Cannot link curses library)
+        test $cf_result = no && AC_MSG_ERROR(Cannot link curses library)
     elif test "$cf_curs_lib" = "$cf_term_lib" ; then
         :
     elif test "$cf_term_lib" != predefined ; then
@@ -651,7 +684,7 @@ fi
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_TERM_H version: 6 updated: 2003/11/06 19:59:57
+dnl CF_CURSES_TERM_H version: 7 updated: 2010/01/24 18:40:06
 dnl ----------------
 dnl SVr4 curses should have term.h as well (where it puts the definitions of
 dnl the low-level interface).  This may not be true in old/broken implementations,
@@ -659,9 +692,10 @@ dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4
 dnl running with Solaris 2.5.1).
 AC_DEFUN([CF_CURSES_TERM_H],
 [
+AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
+
 AC_CACHE_CHECK(for term.h, cf_cv_term_header,[
 
-AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
 # If we found <ncurses/curses.h>, look for <ncurses/term.h>, but always look
 # for <term.h> if we do not find the variant.
 for cf_header in \
@@ -676,13 +710,34 @@ do
         break],
        [cf_cv_term_header=no])
 done
+
+case $cf_cv_term_header in #(vi
+no)
+       # If curses is ncurses, some packagers still mess it up by trying to make
+       # us use GNU termcap.  This handles the most common case.
+       for cf_header in ncurses/term.h ncursesw/term.h
+       do
+               AC_TRY_COMPILE([
+#include <${cf_cv_ncurses_header-curses.h}>
+#ifdef NCURSES_VERSION
+#include <${cf_header}>
+#else
+make an error
+#endif],
+                       [WINDOW *x],
+                       [cf_cv_term_header=$cf_header
+                        break],
+                       [cf_cv_term_header=no])
+       done
+       ;;
+esac
 ])
 
 case $cf_cv_term_header in #(vi
 term.h) #(vi
        AC_DEFINE(HAVE_TERM_H)
        ;;
-ncurses/term.h)
+ncurses/term.h) #(vi
        AC_DEFINE(HAVE_NCURSES_TERM_H)
        ;;
 ncursesw/term.h)
@@ -716,7 +771,7 @@ dnl ----------
 dnl "dirname" is not portable, so we fake it with a shell script.
 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_DISABLE_ECHO version: 10 updated: 2003/04/17 22:27:11
+dnl CF_DISABLE_ECHO version: 11 updated: 2009/12/13 13:16:57
 dnl ---------------
 dnl You can always use "make -n" to see the actual options, but it's hard to
 dnl pick out/analyze warning messages when the compile-line is long.
@@ -735,14 +790,14 @@ CF_ARG_DISABLE(echo,
        [
     ECHO_LT='--silent'
     ECHO_LD='@echo linking [$]@;'
-    RULE_CC='  @echo compiling [$]<'
-    SHOW_CC='  @echo compiling [$]@'
+    RULE_CC='@echo compiling [$]<'
+    SHOW_CC='@echo compiling [$]@'
     ECHO_CC='@'
 ],[
     ECHO_LT=''
     ECHO_LD=''
-    RULE_CC='# compiling'
-    SHOW_CC='# compiling'
+    RULE_CC=''
+    SHOW_CC=''
     ECHO_CC=''
 ])
 AC_MSG_RESULT($enableval)
@@ -753,7 +808,7 @@ AC_SUBST(SHOW_CC)
 AC_SUBST(ECHO_CC)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ENABLE_WARNINGS version: 3 updated: 2003/05/24 14:24:29
+dnl CF_ENABLE_WARNINGS version: 4 updated: 2009/07/26 17:53:03
 dnl ------------------
 dnl Configure-option to enable gcc warnings
 AC_DEFUN([CF_ENABLE_WARNINGS],[
@@ -767,12 +822,13 @@ CF_ARG_ENABLE(warnings,
 AC_MSG_RESULT($with_warnings)
 if test "$with_warnings" = "yes"
 then
+       CF_GCC_ATTRIBUTES
        CF_GCC_WARNINGS
 fi
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FIND_LIBRARY version: 8 updated: 2004/11/23 20:14:58
+dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
 dnl ---------------
 dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
 dnl prefer a standard location, and use -L options only if we do not find the
@@ -817,11 +873,135 @@ AC_DEFUN([CF_FIND_LIBRARY],
 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
 ifelse($6,,[
 if test $cf_found_library = no ; then
-       AC_ERROR(Cannot link $1 library)
+       AC_MSG_ERROR(Cannot link $1 library)
 fi
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_FIND_LINKAGE version: 15 updated: 2010/04/03 18:35:33
+dnl ---------------
+dnl Find a library (specifically the linkage used in the code fragment),
+dnl searching for it if it is not already in the library path.
+dnl See also CF_ADD_SEARCHPATH.
+dnl
+dnl Parameters (4-on are optional):
+dnl     $1 = headers for library entrypoint
+dnl     $2 = code fragment for library entrypoint
+dnl     $3 = the library name without the "-l" option or ".so" suffix.
+dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
+dnl     $5 = action to perform if not successful
+dnl     $6 = module name, if not the same as the library name
+dnl     $7 = extra libraries
+dnl
+dnl Sets these variables:
+dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
+dnl     $cf_cv_header_path_$3 - include-directory if needed
+dnl     $cf_cv_library_path_$3 - library-directory if needed
+dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
+AC_DEFUN([CF_FIND_LINKAGE],[
+
+# If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
+# will be set on completion of the AC_TRY_LINK below.
+cf_cv_header_path_$3=
+cf_cv_library_path_$3=
+
+CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
+
+AC_TRY_LINK([$1],[$2],[
+       cf_cv_find_linkage_$3=yes
+],[
+
+cf_save_LIBS="$LIBS"
+LIBS="-l$3 $7 $cf_save_LIBS"
+
+AC_TRY_LINK([$1],[$2],[
+       cf_cv_find_linkage_$3=yes
+       cf_cv_library_file_$3="-l$3"
+],[
+    cf_cv_find_linkage_$3=no
+       LIBS="$cf_save_LIBS"
+
+    CF_VERBOSE(find linkage for $3 library)
+    CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
+
+    cf_save_CPPFLAGS="$CPPFLAGS"
+    cf_test_CPPFLAGS="$CPPFLAGS"
+
+    CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
+    for cf_cv_header_path_$3 in $cf_search
+    do
+      if test -d $cf_cv_header_path_$3 ; then
+        CF_VERBOSE(... testing $cf_cv_header_path_$3)
+        CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
+        AC_TRY_COMPILE([$1],[$2],[
+            CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
+            cf_cv_find_linkage_$3=maybe
+            cf_test_CPPFLAGS="$CPPFLAGS"
+            break],[
+            CPPFLAGS="$cf_save_CPPFLAGS"
+            ])
+      fi
+    done
+
+    if test "$cf_cv_find_linkage_$3" = maybe ; then
+
+      CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
+
+      cf_save_LIBS="$LIBS"
+      cf_save_LDFLAGS="$LDFLAGS"
+
+      ifelse([$6],,,[
+        CPPFLAGS="$cf_test_CPPFLAGS"
+        LIBS="-l$3 $7 $cf_save_LIBS"
+        AC_TRY_LINK([$1],[$2],[
+            CF_VERBOSE(... found $3 library in system)
+            cf_cv_find_linkage_$3=yes])
+            CPPFLAGS="$cf_save_CPPFLAGS"
+            LIBS="$cf_save_LIBS"
+            ])
+
+      if test "$cf_cv_find_linkage_$3" != yes ; then
+        CF_LIBRARY_PATH(cf_search,$3)
+        for cf_cv_library_path_$3 in $cf_search
+        do
+          if test -d $cf_cv_library_path_$3 ; then
+            CF_VERBOSE(... testing $cf_cv_library_path_$3)
+            CPPFLAGS="$cf_test_CPPFLAGS"
+            LIBS="-l$3 $7 $cf_save_LIBS"
+            LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
+            AC_TRY_LINK([$1],[$2],[
+                CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
+                cf_cv_find_linkage_$3=yes
+                cf_cv_library_file_$3="-l$3"
+                break],[
+                CPPFLAGS="$cf_save_CPPFLAGS"
+                LIBS="$cf_save_LIBS"
+                LDFLAGS="$cf_save_LDFLAGS"
+                ])
+          fi
+        done
+        LIBS="$cf_save_LIBS"
+        CPPFLAGS="$cf_save_CPPFLAGS"
+        LDFLAGS="$cf_save_LDFLAGS"
+      fi
+
+    else
+      cf_cv_find_linkage_$3=no
+    fi
+    ],$7)
+])
+
+if test "$cf_cv_find_linkage_$3" = yes ; then
+ifelse([$4],,[
+  CF_ADD_INCDIR($cf_cv_header_path_$3)
+  CF_ADD_LIBDIR($cf_cv_library_path_$3)
+  LIBS="-l$3 $LIBS"
+],[$4])
+else
+ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_FUNC_CURSES_VERSION version: 4 updated: 2007/04/28 09:15:55
 dnl ----------------------
 dnl Solaris has a data item 'curses_version', which confuses AC_CHECK_FUNCS.
@@ -844,7 +1024,7 @@ rm -f core])
 test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION)
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_ATTRIBUTES version: 11 updated: 2007/07/29 09:55:12
+dnl CF_GCC_ATTRIBUTES version: 13 updated: 2009/08/11 20:19:56
 dnl -----------------
 dnl Test for availability of useful gcc __attribute__ directives to quiet
 dnl compiler warnings.  Though useful, not all are supported -- and contrary
@@ -890,26 +1070,61 @@ extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
 extern void foo(void) GCC_NORETURN;
 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
 EOF
+       cf_printf_attribute=no
+       cf_scanf_attribute=no
        for cf_attribute in scanf printf unused noreturn
        do
                CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
                cf_directive="__attribute__(($cf_attribute))"
                echo "checking for $CC $cf_directive" 1>&AC_FD_CC
-               case $cf_attribute in
-               scanf|printf)
-               cat >conftest.h <<EOF
+
+               case $cf_attribute in #(vi
+               printf) #(vi
+                       cf_printf_attribute=yes
+                       cat >conftest.h <<EOF
+#define GCC_$cf_ATTRIBUTE 1
+EOF
+                       ;;
+               scanf) #(vi
+                       cf_scanf_attribute=yes
+                       cat >conftest.h <<EOF
 #define GCC_$cf_ATTRIBUTE 1
 EOF
                        ;;
-               *)
-               cat >conftest.h <<EOF
+               *) #(vi
+                       cat >conftest.h <<EOF
 #define GCC_$cf_ATTRIBUTE $cf_directive
 EOF
                        ;;
                esac
+
                if AC_TRY_EVAL(ac_compile); then
                        test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
                        cat conftest.h >>confdefs.h
+                       case $cf_attribute in #(vi
+                       printf) #(vi
+                               if test "$cf_printf_attribute" = no ; then
+                                       cat >>confdefs.h <<EOF
+#define GCC_PRINTFLIKE(fmt,var) /* nothing */
+EOF
+                               else
+                                       cat >>confdefs.h <<EOF
+#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
+EOF
+                               fi
+                               ;;
+                       scanf) #(vi
+                               if test "$cf_scanf_attribute" = no ; then
+                                       cat >>confdefs.h <<EOF
+#define GCC_SCANFLIKE(fmt,var) /* nothing */
+EOF
+                               else
+                                       cat >>confdefs.h <<EOF
+#define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
+EOF
+                               fi
+                               ;;
+                       esac
                fi
        done
 else
@@ -933,7 +1148,7 @@ if test "$GCC" = yes ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 22 updated: 2007/07/29 09:55:12
+dnl CF_GCC_WARNINGS version: 24 updated: 2009/02/01 15:21:00
 dnl ---------------
 dnl Check if the compiler supports useful warning options.  There's a few that
 dnl we don't use, simply because they're too noisy:
@@ -966,7 +1181,6 @@ if test "$INTEL_COMPILER" = yes
 then
 # The "-wdXXX" options suppress warnings:
 # remark #1419: external declaration in primary source file
-# remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
 # remark #193: zero used for undefined preprocessing identifier
@@ -974,19 +1188,18 @@ then
 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
 # remark #869: parameter "tw" was never referenced
 # remark #981: operands are evaluated in unspecified order
-# warning #269: invalid format string conversion
+# warning #279: controlling expression is constant
 
        AC_CHECKING([for $CC warning options])
        cf_save_CFLAGS="$CFLAGS"
        EXTRA_CFLAGS="-Wall"
        for cf_opt in \
                wd1419 \
-               wd1682 \
                wd1683 \
                wd1684 \
                wd193 \
-               wd279 \
                wd593 \
+               wd279 \
                wd810 \
                wd869 \
                wd981
@@ -1028,7 +1241,7 @@ then
                                ;;
                        Winline) #(vi
                                case $GCC_VERSION in
-                               3.3*)
+                               [[34]].*)
                                        CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
                                        continue;;
                                esac
@@ -1074,11 +1287,32 @@ make an error
 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_HEADER_PATH version: 8 updated: 2002/11/10 14:46:59
+dnl CF_HEADER_PATH version: 10 updated: 2010/01/17 20:36:17
 dnl --------------
-dnl Construct a search-list for a nonstandard header-file
+dnl Construct a search-list of directories for a nonstandard header-file
+dnl
+dnl Parameters
+dnl    $1 = the variable to return as result
+dnl    $2 = the package name
 AC_DEFUN([CF_HEADER_PATH],
-[CF_SUBDIR_PATH($1,$2,include)
+[
+$1=
+cf_header_path_list=""
+if test -n "${CFLAGS}${CPPFLAGS}" ; then
+       for cf_header_path in $CPPFLAGS $CFLAGS
+       do
+               case $cf_header_path in #(vi
+               -I*)
+                       cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
+                       CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
+                       cf_header_path_list="$cf_header_path_list [$]$1"
+                       ;;
+               esac
+       done
+fi
+
+CF_SUBDIR_PATH($1,$2,include)
+
 test "$includedir" != NONE && \
 test "$includedir" != "/usr/include" && \
 test -d "$includedir" && {
@@ -1093,6 +1327,7 @@ test -d "$oldincludedir" && {
        test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
 }
 
+$1="$cf_header_path_list [$]$1"
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42
@@ -1140,11 +1375,132 @@ cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIBRARY_PATH version: 7 updated: 2002/11/10 14:46:59
+dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
 dnl ---------------
-dnl Construct a search-list for a nonstandard library-file
+dnl Construct a search-list of directories for a nonstandard library-file
+dnl
+dnl Parameters
+dnl    $1 = the variable to return as result
+dnl    $2 = the package name
 AC_DEFUN([CF_LIBRARY_PATH],
-[CF_SUBDIR_PATH($1,$2,lib)])dnl
+[
+$1=
+cf_library_path_list=""
+if test -n "${LDFLAGS}${LIBS}" ; then
+       for cf_library_path in $LDFLAGS $LIBS
+       do
+               case $cf_library_path in #(vi
+               -L*)
+                       cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
+                       CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
+                       cf_library_path_list="$cf_library_path_list [$]$1"
+                       ;;
+               esac
+       done
+fi
+
+CF_SUBDIR_PATH($1,$2,lib)
+
+$1="$cf_library_path_list [$]$1"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAKE_TAGS version: 5 updated: 2010/04/03 20:07:32
+dnl ------------
+dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
+dnl a monocase filesystem.
+AC_DEFUN([CF_MAKE_TAGS],[
+AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
+
+AC_CHECK_PROGS(CTAGS, exctags ctags)
+AC_CHECK_PROGS(ETAGS, exetags etags)
+
+AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS-ctags}, yes, no)
+
+if test "$cf_cv_mixedcase" = yes ; then
+       AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS-etags}, yes, no)
+else
+       MAKE_UPPER_TAGS=no
+fi
+
+if test "$MAKE_UPPER_TAGS" = yes ; then
+       MAKE_UPPER_TAGS=
+else
+       MAKE_UPPER_TAGS="#"
+fi
+
+if test "$MAKE_LOWER_TAGS" = yes ; then
+       MAKE_LOWER_TAGS=
+else
+       MAKE_LOWER_TAGS="#"
+fi
+
+AC_SUBST(CTAGS)
+AC_SUBST(ETAGS)
+
+AC_SUBST(MAKE_UPPER_TAGS)
+AC_SUBST(MAKE_LOWER_TAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MIN_GETCCHAR version: 2 updated: 2009/07/16 21:03:10
+dnl ---------------
+dnl CF_MIN_GETCCHAR
+dnl Check whether getcchar's return value counts the trailing null in a wchar_t
+dnl string, or not.  X/Open says it does, but Tru64 and Solaris do not do this.
+AC_DEFUN([CF_MIN_GETCCHAR],[
+AC_CACHE_CHECK(if getcchar counts trailing null,cf_cv_min_getcchar,[
+AC_TRY_RUN([
+#include <stdlib.h>
+#include <stdarg.h>
+#include <${cf_cv_ncurses_header-curses.h}>
+
+int main()
+{
+       wchar_t data[2];
+       cchar_t temp[2];
+       int count;
+       data[0] = L'\0';
+    setcchar(temp, data, 0, 0, (void *)0);
+       count = getcchar(temp, (wchar_t *)0, (attr_t *)0, (short *)0, (void *)0);
+       ${cf_cv_main_return-return}(count != 0);
+}],
+       [cf_cv_min_getcchar=no],
+       [cf_cv_min_getcchar=yes],
+       [cf_cv_min_getcchar=yes])
+])
+if test "$cf_cv_min_getcchar" = yes ; then
+       AC_DEFINE(MIN_GETCCHAR,1)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
+dnl ----------------------
+dnl Check if the file-system supports mixed-case filenames.  If we're able to
+dnl create a lowercase name and see it as uppercase, it doesn't support that.
+AC_DEFUN([CF_MIXEDCASE_FILENAMES],
+[
+AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
+if test "$cross_compiling" = yes ; then
+       case $target_alias in #(vi
+       *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
+               cf_cv_mixedcase=no
+               ;;
+       *)
+               cf_cv_mixedcase=yes
+               ;;
+       esac
+else
+       rm -f conftest CONFTEST
+       echo test >conftest
+       if test -f CONFTEST ; then
+               cf_cv_mixedcase=no
+       else
+               cf_cv_mixedcase=yes
+       fi
+       rm -f conftest CONFTEST
+fi
+])
+test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
+])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_MSG_LOG version: 4 updated: 2007/07/29 09:55:12
 dnl ----------
@@ -1187,6 +1543,45 @@ printf("old\n");
        ,[$1=no])
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_CONFIG version: 5 updated: 2009/01/11 15:31:22
+dnl -----------------
+dnl Tie together the configure-script macros for ncurses.
+dnl Prefer the "-config" script from ncurses 5.6, to simplify analysis.
+dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
+dnl
+dnl $1 is the root library name (default: "ncurses")
+AC_DEFUN([CF_NCURSES_CONFIG],
+[
+cf_ncuconfig_root=ifelse($1,,ncurses,$1)
+
+echo "Looking for ${cf_ncuconfig_root}-config"
+AC_PATH_PROGS(NCURSES_CONFIG,${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config,none)
+
+if test "$NCURSES_CONFIG" != none ; then
+
+cf_cv_ncurses_header=curses.h
+
+CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
+LIBS="`$NCURSES_CONFIG --libs` $LIBS"
+
+dnl like CF_NCURSES_CPPFLAGS
+AC_DEFINE(NCURSES)
+
+dnl like CF_NCURSES_LIBS
+CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
+AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
+
+dnl like CF_NCURSES_VERSION
+cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+
+else
+
+CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
+CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
+
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_NCURSES_CPPFLAGS version: 19 updated: 2007/07/29 13:35:20
 dnl -------------------
 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
@@ -1238,7 +1633,42 @@ AC_DEFINE(NCURSES)
 CF_NCURSES_VERSION
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_HEADER version: 1 updated: 2005/12/31 13:28:37
+dnl CF_NCURSES_EXT_FUNCS version: 1 updated: 2010/04/03 11:44:55
+dnl --------------------
+dnl Since 2007/11/17, ncurses has defined NCURSES_EXT_FUNCS; earlier versions
+dnl may provide these functions.  Define the symbol if it is not defined, and
+dnl if it is valid.
+AC_DEFUN([CF_NCURSES_EXT_FUNCS],
+[
+AC_CACHE_CHECK(for ncurses extended functions,cf_cv_ncurses_ext_funcs,[
+AC_TRY_COMPILE([
+#include <${cf_cv_ncurses_header-curses.h}>],
+[
+int x = NCURSES_EXT_FUNCS
+],[cf_cv_ncurses_ext_funcs=defined],[
+AC_TRY_LINK([
+#include <${cf_cv_ncurses_header-curses.h}>],
+[
+       (void) assume_default_colors (0, 0);
+       (void) curses_version ();
+       (void) define_key (0, 0);
+       (void) is_term_resized (0, 0);
+       (void) key_defined (0);
+       (void) keybound (0, 0);
+       (void) keyok (0, 0);
+       (void) resize_term (0, 0);
+       (void) resizeterm (0, 0);
+       (void) use_default_colors ();
+       (void) use_extended_names (0);
+       (void) wresize (0, 0, 0);],
+       [cf_cv_ncurses_ext_funcs=yes],
+       [cf_cv_ncurses_ext_funcs=no])
+])
+])
+test "$cf_cv_ncurses_ext_funcs" == yes && AC_DEFINE(NCURSES_EXT_FUNCS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_HEADER version: 2 updated: 2008/03/23 14:48:54
 dnl -----------------
 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 dnl variations of ncurses' installs.
@@ -1273,7 +1703,7 @@ AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
                CPPFLAGS="$cf_save2_CPPFLAGS"
                test "$cf_cv_ncurses_h2" != no && break
        done
-       test "$cf_cv_ncurses_h2" = no && AC_ERROR(not found)
+       test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
        ])
 
        CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
@@ -1435,7 +1865,23 @@ EOF
 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PATH_SYNTAX version: 11 updated: 2006/09/02 08:55:46
+dnl CF_NCURSES_WRAP_PREFIX version: 1 updated: 2009/03/28 16:08:10
+dnl ----------------------
+dnl Check for ncurses "wrap-prefix" used for public variables which have been
+dnl wrapped with a function to help with concurrency control.
+AC_DEFUN([CF_NCURSES_WRAP_PREFIX],
+[
+AC_MSG_CHECKING(for ncurses wrap-prefix)
+AC_ARG_WITH(ncurses-wrap-prefix,
+       [  --with-ncurses-wrap-prefix naming-prefix for ncurses wrapped-variables],
+       [NCURSES_WRAP_PREFIX=$withval],
+       [NCURSES_WRAP_PREFIX=_nc_])
+AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
+
+AC_SUBST(NCURSES_WRAP_PREFIX)
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_PATH_SYNTAX version: 12 updated: 2008/03/23 14:45:59
 dnl --------------
 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
 dnl begins with one of the prefix/exec_prefix variables, and then again if the
@@ -1467,12 +1913,12 @@ case ".[$]$1" in #(vi
   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
   ;;
 *)
-  ifelse($2,,[AC_ERROR([expected a pathname, not \"[$]$1\"])],$2)
+  ifelse($2,,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
   ;;
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_PDCURSES_X11 version: 7 updated: 2006/11/12 17:31:59
+dnl CF_PDCURSES_X11 version: 9 updated: 2009/01/11 15:31:37
 dnl ---------------
 dnl Configure for PDCurses' X11 library
 AC_DEFUN([CF_PDCURSES_X11],[
@@ -1482,7 +1928,7 @@ AC_PATH_PROGS(XCURSES_CONFIG,xcurses-config,none)
 
 if test "$XCURSES_CONFIG" != none ; then
 
-CPPFLAGS="`$XCURSES_CONFIG --cflags` $CPPFLAGS"
+CPPFLAGS="$CPPFLAGS `$XCURSES_CONFIG --cflags`"
 LIBS="`$XCURSES_CONFIG --libs` $LIBS"
 
 cf_cv_lib_XCurses=yes
@@ -1511,11 +1957,11 @@ if test $cf_cv_lib_XCurses = yes ; then
        AC_DEFINE(XCURSES)
        AC_DEFINE(HAVE_XCURSES)
 else
-       AC_ERROR(Cannot link with XCurses)
+       AC_MSG_ERROR(Cannot link with XCurses)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_POSIX_C_SOURCE version: 6 updated: 2005/07/14 20:25:10
+dnl CF_POSIX_C_SOURCE version: 7 updated: 2010/01/09 11:05:50
 dnl -----------------
 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
 dnl
@@ -1583,12 +2029,7 @@ make an error
 if test "$cf_cv_posix_c_source" != no ; then
        CFLAGS="$cf_trim_CFLAGS"
        CPPFLAGS="$cf_trim_CPPFLAGS"
-       if test "$cf_cv_cc_u_d_options" = yes ; then
-               cf_temp_posix_c_source=`echo "$cf_cv_posix_c_source" | \
-                               sed -e 's/-D/-U/g' -e 's/=[[^   ]]*//g'`
-               CPPFLAGS="$CPPFLAGS $cf_temp_posix_c_source"
-       fi
-       CPPFLAGS="$CPPFLAGS $cf_cv_posix_c_source"
+       CF_ADD_CFLAGS($cf_cv_posix_c_source)
 fi
 
 ])dnl
@@ -1642,7 +2083,7 @@ make a defined-error
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_REMOVE_DEFINE version: 2 updated: 2005/07/09 16:12:18
+dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
 dnl ----------------
 dnl Remove all -U and -D options that refer to the given symbol from a list
 dnl of C compiler options.  This works around the problem that not all
@@ -1654,10 +2095,9 @@ dnl $2 = source (including '$')
 dnl $3 = symbol to remove
 define([CF_REMOVE_DEFINE],
 [
-# remove $3 symbol from $2
 $1=`echo "$2" | \
-       sed     -e 's/-[[UD]]$3\(=[[^   ]]*\)\?[[       ]]/ /g' \
-               -e 's/-[[UD]]$3\(=[[^   ]]*\)\?[$]//g'`
+       sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
+               -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
@@ -1790,7 +2230,7 @@ AC_DEFUN([CF_UPPER],
 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_UTF8_LIB version: 4 updated: 2003/03/01 18:36:42
+dnl CF_UTF8_LIB version: 5 updated: 2008/10/17 19:37:52
 dnl -----------
 dnl Check for multibyte support, and if not found, utf8 compatibility library
 AC_DEFUN([CF_UTF8_LIB],
@@ -1800,18 +2240,18 @@ AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
        AC_TRY_LINK([
 #include <stdlib.h>],[putwc(0,0);],
        [cf_cv_utf8_lib=yes],
-       [LIBS="-lutf8 $LIBS"
-        AC_TRY_LINK([
-#include <libutf8.h>],[putwc(0,0);],
+       [CF_FIND_LINKAGE([
+#include <libutf8.h>],[putwc(0,0);],utf8,
                [cf_cv_utf8_lib=add-on],
                [cf_cv_utf8_lib=no])
-       LIBS="$cf_save_LIBS"
 ])])
 
 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
 # ncurses/ncursesw:
 if test "$cf_cv_utf8_lib" = "add-on" ; then
        AC_DEFINE(HAVE_LIBUTF8_H)
+       CF_ADD_INCDIR($cf_cv_header_path_utf8)
+       CF_ADD_LIBDIR($cf_cv_library_path_utf8)
        LIBS="-lutf8 $LIBS"
 fi
 ])dnl
@@ -1824,6 +2264,56 @@ AC_DEFUN([CF_VERBOSE],
 CF_MSG_LOG([$1])
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_WCHAR_TYPE version: 2 updated: 2004/01/17 19:18:20
+dnl -------------
+dnl Check if type wide-character type $1 is declared, and if so, which header
+dnl file is needed.  The second parameter is used to set a shell variable when
+dnl the type is not found.  The first parameter sets a shell variable for the
+dnl opposite sense.
+AC_DEFUN([CF_WCHAR_TYPE],
+[
+# This is needed on Tru64 5.0 to declare $1
+AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
+AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#ifdef HAVE_LIBUTF8_H
+#include <libutf8.h>
+#endif],
+       [$1 state],
+       [cf_cv_$1=no],
+       [AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <wchar.h>
+#ifdef HAVE_LIBUTF8_H
+#include <libutf8.h>
+#endif],
+       [$1 value],
+       [cf_cv_$1=yes],
+       [cf_cv_$1=unknown])])])
+
+if test "$cf_cv_$1" = yes ; then
+       AC_DEFINE(NEED_WCHAR_H)
+       NEED_WCHAR_H=1
+fi
+
+ifelse($2,,,[
+# if we do not find $1 in either place, use substitution to provide a fallback.
+if test "$cf_cv_$1" = unknown ; then
+       $2=1
+fi
+])
+ifelse($3,,,[
+# if we find $1 in either place, use substitution to provide a fallback.
+if test "$cf_cv_$1" != unknown ; then
+       $3=1
+fi
+])
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_WITH_CURSES_DIR version: 2 updated: 2002/11/10 14:46:59
 dnl ------------------
 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
@@ -1866,7 +2356,7 @@ AC_TRY_LINK([
 test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 25 updated: 2007/01/29 18:36:38
+dnl CF_XOPEN_SOURCE version: 33 updated: 2010/03/28 15:35:52
 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,
@@ -1877,30 +2367,38 @@ 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([CF_PROG_CC_U_D])
-
 cf_XOPEN_SOURCE=ifelse($1,,500,$1)
 cf_POSIX_C_SOURCE=ifelse($2,,199506L,$2)
+cf_xopen_source=
 
 case $host_os in #(vi
-aix[[45]]*) #(vi
-       CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
+aix[[456]]*) #(vi
+       cf_xopen_source="-D_ALL_SOURCE"
        ;;
-freebsd*) #(vi
+darwin[[0-8]].*) #(vi
+       cf_xopen_source="-D_APPLE_C_SOURCE"
+       ;;
+darwin*) #(vi
+       cf_xopen_source="-D_DARWIN_C_SOURCE"
+       ;;
+freebsd*|dragonfly*) #(vi
        # 5.x headers associate
        #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
        #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
        cf_POSIX_C_SOURCE=200112L
        cf_XOPEN_SOURCE=600
-       CPPFLAGS="$CPPFLAGS -D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+       cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+       ;;
+hpux11*) #(vi
+       cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
        ;;
 hpux*) #(vi
-       CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
+       cf_xopen_source="-D_HPUX_SOURCE"
        ;;
 irix[[56]].*) #(vi
-       CPPFLAGS="$CPPFLAGS -D_SGI_SOURCE"
+       cf_xopen_source="-D_SGI_SOURCE"
        ;;
-linux*|gnu*|k*bsd*-gnu) #(vi
+linux*|gnu*|mint*|k*bsd*-gnu) #(vi
        CF_GNU_SOURCE
        ;;
 mirbsd*) #(vi
@@ -1913,16 +2411,19 @@ openbsd*) #(vi
        # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
        ;;
 osf[[45]]*) #(vi
-       CPPFLAGS="$CPPFLAGS -D_OSF_SOURCE"
+       cf_xopen_source="-D_OSF_SOURCE"
        ;;
 nto-qnx*) #(vi
-       CPPFLAGS="$CPPFLAGS -D_QNX_SOURCE"
+       cf_xopen_source="-D_QNX_SOURCE"
        ;;
 sco*) #(vi
        # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
        ;;
-solaris*) #(vi
-       CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
+solaris2.1[[0-9]]) #(vi
+       cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+       ;;
+solaris2.[[1-9]]) #(vi
+       cf_xopen_source="-D__EXTENSIONS__"
        ;;
 *)
        AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
@@ -1945,13 +2446,16 @@ make an error
        if test "$cf_cv_xopen_source" != no ; then
                CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
                CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
-               test "$cf_cv_cc_u_d_options" = yes && \
-                       CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
-               CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_cv_xopen_source"
+               cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
+               CF_ADD_CFLAGS($cf_temp_xopen_source)
        fi
        CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
        ;;
 esac
+
+if test -n "$cf_xopen_source" ; then
+       CF_ADD_CFLAGS($cf_xopen_source)
+fi
 ])
 dnl ---------------------------------------------------------------------------
 dnl CF_X_ATHENA version: 12 updated: 2004/06/15 21:14:41
@@ -2005,7 +2509,7 @@ CF_X_ATHENA_CPPFLAGS($cf_x_athena)
 CF_X_ATHENA_LIBS($cf_x_athena)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_X_ATHENA_CPPFLAGS version: 2 updated: 2002/10/09 20:00:37
+dnl CF_X_ATHENA_CPPFLAGS version: 3 updated: 2009/01/11 15:33:39
 dnl --------------------
 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
@@ -2024,7 +2528,7 @@ do
                cf_save="$CPPFLAGS"
                cf_test=X11/$cf_x_athena_root/SimpleMenu.h
                if test $cf_path != default ; then
-                       CPPFLAGS="-I$cf_path/include $cf_save"
+                       CPPFLAGS="$cf_save -I$cf_path/include"
                        AC_MSG_CHECKING(for $cf_test in $cf_path)
                else
                        AC_MSG_CHECKING(for $cf_test)
@@ -2052,7 +2556,7 @@ elif test "$cf_x_athena_include" != default ; then
 fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_X_ATHENA_LIBS version: 6 updated: 2006/11/30 17:57:11
+dnl CF_X_ATHENA_LIBS version: 7 updated: 2008/03/23 14:46:03
 dnl ----------------
 dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
 dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
@@ -2096,7 +2600,7 @@ do
 done
 
 if test -z "$cf_x_athena_lib" ; then
-       AC_ERROR(
+       AC_MSG_ERROR(
 [Unable to successfully link Athena library (-l$cf_x_athena_root) with test program])
 fi
 
@@ -2104,7 +2608,7 @@ CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
 AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_X_TOOLKIT version: 11 updated: 2006/11/29 19:05:14
+dnl CF_X_TOOLKIT version: 12 updated: 2008/03/23 15:04:54
 dnl ------------
 dnl Check for X Toolkit libraries
 dnl
@@ -2133,9 +2637,29 @@ AC_CHECK_LIB(Xt, XtAppInitialize,
        [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
 
 if test $cf_have_X_LIBS = no ; then
-       AC_WARN(
+       AC_MSG_WARN(
 [Unable to successfully link X Toolkit library (-lXt) with
 test program.  You will have to check and add the proper libraries by hand
 to makefile.])
 fi
 ])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF__CURSES_HEAD version: 1 updated: 2009/07/16 19:32:31
+dnl ---------------
+dnl Define a reusable chunk which includes <curses.h> and <term.h> when they
+dnl are both available.
+define([CF__CURSES_HEAD],[
+#ifdef HAVE_XCURSES
+#include <xcurses.h>
+char * XCursesProgramName = "test";
+#else
+#include <${cf_cv_ncurses_header-curses.h}>
+#if defined(NCURSES_VERSION) && defined(HAVE_NCURSESW_TERM_H)
+#include <ncursesw/term.h>
+#elif defined(NCURSES_VERSION) && defined(HAVE_NCURSES_TERM_H)
+#include <ncurses/term.h>
+#elif defined(HAVE_TERM_H)
+#include <term.h>
+#endif
+#endif
+])