ncurses 5.7 - patch 20100703
[ncurses.git] / test / aclocal.m4
index 3b3b14c0d6d9f2fa24aa70588800f6552ecb9d08..5e3d6c0594590c60fcc741deefc8af2896b00940 100644 (file)
@@ -1,5 +1,5 @@
 dnl***************************************************************************
-dnl Copyright (c) 2003-2008,2009 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 1.25 2009/03/28 20:09:37 tom Exp $
+dnl $Id: aclocal.m4,v 1.40 2010/06/12 12:31:55 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: 8 updated: 2009/01/06 19:33:30
+dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
 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
@@ -97,24 +103,24 @@ 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
 
 if test -n "$cf_new_cflags" ; then
-       ifelse($2,,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
+       ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
        CFLAGS="$CFLAGS $cf_new_cflags"
 fi
 
 if test -n "$cf_new_cppflags" ; then
-       ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
+       ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
        CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 fi
 
 if test -n "$cf_new_extra_cppflags" ; then
-       ifelse($2,,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
+       ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
        EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 fi
 
@@ -122,7 +128,7 @@ AC_SUBST(EXTRA_CPPFLAGS)
 
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_INCDIR version: 12 updated: 2009/01/18 10:00:47
+dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
 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,
@@ -165,7 +171,7 @@ if test -n "$1" ; then
 
                if test "$cf_have_incdir" = no ; then
                  CF_VERBOSE(adding $cf_add_incdir to include-path)
-                 ifelse($2,,CPPFLAGS,$2)="$ifelse($2,,CPPFLAGS,$2) -I$cf_add_incdir"
+                 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
@@ -179,7 +185,15 @@ if test -n "$1" ; then
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ADD_LIBDIR version: 8 updated: 2009/01/18 10:01:08
+dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
+dnl ----------
+dnl Add a library, used to enforce consistency.
+dnl
+dnl $1 = library to add, without the "-l"
+dnl $2 = variable to update (default $LIBS)
+AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
 dnl -------------
 dnl    Adds to the library-path
 dnl
@@ -208,13 +222,21 @@ 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
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
+dnl -----------
+dnl Add one or more libraries, used to enforce consistency.
+dnl
+dnl $1 = libraries to add, with the "-l", etc.
+dnl $2 = variable to update (default $LIBS)
+AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_ADD_SUBDIR_PATH version: 2 updated: 2007/07/29 10:12:59
 dnl ------------------
 dnl Append to a search-list for a nonstandard header/lib-file
@@ -319,7 +341,7 @@ dnl Allow user to enable a normally-off option.
 AC_DEFUN([CF_ARG_ENABLE],
 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_ARG_OPTION version: 3 updated: 1997/10/18 14:42:41
+dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
 dnl -------------
 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 dnl values.
@@ -331,13 +353,13 @@ dnl $3 = action to perform if option is not default
 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)
+[AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
   if test "$enableval" != "$5" ; then
-ifelse($3,,[    :]dnl
-,[    $3]) ifelse($4,,,[
+ifelse([$3],,[    :]dnl
+,[    $3]) ifelse([$4],,,[
   else
     $4])
-  fi],[enableval=$5 ifelse($4,,,[
+  fi],[enableval=$5 ifelse([$4],,,[
   $4
 ])dnl
   ])])dnl
@@ -420,6 +442,37 @@ done
 test "$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
@@ -442,6 +495,18 @@ else
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
+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.
@@ -467,7 +532,7 @@ 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],
@@ -483,24 +548,7 @@ 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});
@@ -521,20 +569,20 @@ ${cf_cv_main_return-return}(foo == 0);
 done
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_HEADER version: 1 updated: 2005/12/31 13:28:25
+dnl CF_CURSES_HEADER version: 2 updated: 2010/04/28 06:02:16
 dnl ----------------
 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
 dnl variations of ncurses' installs.
 dnl
-dnl See also CF_NCURSES_HEADER, which sets the same cache variable.
+dnl $1 = ncurses when looking for ncurses, or is empty
 AC_DEFUN([CF_CURSES_HEADER],[
 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
 cf_cv_ncurses_header=none
-for cf_header in \
+for cf_header in ifelse($1,,,[ \
+    $1/curses.h \
+       $1/ncurses.h]) \
        curses.h \
-       ncurses.h \
-       ncurses/curses.h \
-       ncurses/ncurses.h
+       ncurses.h ifelse($1,,[ncurses/curses.h ncurses/ncurses.h])
 do
 AC_TRY_COMPILE([#include <${cf_header}>],
        [initscr(); tgoto("?", 0,0)],
@@ -652,7 +700,7 @@ 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,
@@ -660,9 +708,10 @@ 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 \
@@ -677,13 +726,34 @@ 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)
@@ -717,7 +787,7 @@ 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.
@@ -736,14 +806,14 @@ 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)
@@ -754,7 +824,7 @@ 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],[
@@ -768,6 +838,7 @@ CF_ARG_ENABLE(warnings,
 AC_MSG_RESULT($with_warnings)
 if test "$with_warnings" = "yes"
 then
+       CF_GCC_ATTRIBUTES
        CF_GCC_WARNINGS
 fi
 fi
@@ -823,7 +894,7 @@ fi
 ])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_FIND_LINKAGE version: 13 updated: 2008/12/24 07:59:55
+dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
 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.
@@ -852,9 +923,24 @@ 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_cv_find_linkage_$3=no
+cf_save_LIBS="$LIBS"
+
+AC_TRY_LINK([$1],[$2],[
+       cf_cv_find_linkage_$3=yes
+       cf_cv_header_path_$3=/usr/include
+       cf_cv_library_path_$3=/usr/lib
+],[
+
+LIBS="-l$3 $7 $cf_save_LIBS"
+
+AC_TRY_LINK([$1],[$2],[
+       cf_cv_find_linkage_$3=yes
+       cf_cv_header_path_$3=/usr/include
+       cf_cv_library_path_$3=/usr/lib
+       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)])
@@ -915,7 +1001,6 @@ AC_TRY_LINK([$1],[$2],
                 ])
           fi
         done
-        LIBS="$cf_save_LIBS"
         CPPFLAGS="$cf_save_CPPFLAGS"
         LDFLAGS="$cf_save_LDFLAGS"
       fi
@@ -924,12 +1009,15 @@ AC_TRY_LINK([$1],[$2],
       cf_cv_find_linkage_$3=no
     fi
     ],$7)
+])
+
+LIBS="$cf_save_LIBS"
 
 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 $LIBS"
+       CF_ADD_INCDIR($cf_cv_header_path_$3)
+       CF_ADD_LIBDIR($cf_cv_library_path_$3)
+       CF_ADD_LIB($3)
 ],[$4])
 else
 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
@@ -958,7 +1046,7 @@ rm -f core])
 test "$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
@@ -1004,26 +1092,61 @@ 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
                        ;;
-               *)
-               cat >conftest.h <<EOF
+               scanf) #(vi
+                       cf_scanf_attribute=yes
+                       cat >conftest.h <<EOF
+#define GCC_$cf_ATTRIBUTE 1
+EOF
+                       ;;
+               *) #(vi
+                       cat >conftest.h <<EOF
 #define GCC_$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 "$cf_scanf_attribute" = no ; then
+                                       cat >>confdefs.h <<EOF
+#define GCC_SCANFLIKE(fmt,var) /* nothing */
+EOF
+                               else
+                                       cat >>confdefs.h <<EOF
+#define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
+EOF
+                               fi
+                               ;;
+                       esac
                fi
        done
 else
@@ -1033,7 +1156,7 @@ rm -rf conftest*
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_VERSION version: 4 updated: 2005/08/27 09:53:42
+dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
 dnl --------------
 dnl Find version of gcc
 AC_DEFUN([CF_GCC_VERSION],[
@@ -1041,13 +1164,13 @@ AC_REQUIRE([AC_PROG_CC])
 GCC_VERSION=none
 if test "$GCC" = yes ; then
        AC_MSG_CHECKING(version of $CC)
-       GCC_VERSION="`${CC} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+       GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
        test -z "$GCC_VERSION" && GCC_VERSION=unknown
        AC_MSG_RESULT($GCC_VERSION)
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_GCC_WARNINGS version: 24 updated: 2009/02/01 15:21:00
+dnl CF_GCC_WARNINGS version: 25 updated: 2010/04/24 11:03:31
 dnl ---------------
 dnl Check if the compiler supports useful warning options.  There's a few that
 dnl we don't use, simply because they're too noisy:
@@ -1115,10 +1238,10 @@ elif test "$GCC" = yes
 then
        AC_CHECKING([for $CC warning options])
        cf_save_CFLAGS="$CFLAGS"
-       EXTRA_CFLAGS="-W -Wall"
+       EXTRA_CFLAGS=
        cf_warn_CONST=""
        test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
-       for cf_opt in \
+       for cf_opt in W Wall \
                Wbad-function-cast \
                Wcast-align \
                Wcast-qual \
@@ -1186,7 +1309,7 @@ make an error
 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_HEADER_PATH version: 9 updated: 2008/12/07 19:38:31
+dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
 dnl --------------
 dnl Construct a search-list of directories for a nonstandard header-file
 dnl
@@ -1195,6 +1318,9 @@ dnl       $1 = the variable to return as result
 dnl    $2 = the package name
 AC_DEFUN([CF_HEADER_PATH],
 [
+$1=
+
+# collect the current set of include-directories from compiler flags
 cf_header_path_list=""
 if test -n "${CFLAGS}${CPPFLAGS}" ; then
        for cf_header_path in $CPPFLAGS $CFLAGS
@@ -1209,6 +1335,7 @@ if test -n "${CFLAGS}${CPPFLAGS}" ; then
        done
 fi
 
+# add the variations for the package we are looking for
 CF_SUBDIR_PATH($1,$2,include)
 
 test "$includedir" != NONE && \
@@ -1225,7 +1352,7 @@ test -d "$oldincludedir" && {
        test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
 }
 
-$1="$cf_header_path_list [$]$1"
+$1="[$]$1 $cf_header_path_list"
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42
@@ -1236,7 +1363,7 @@ AC_DEFUN([CF_INHERIT_SCRIPT],
 test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_INTEL_COMPILER version: 3 updated: 2005/08/06 18:37:29
+dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
 dnl -----------------
 dnl Check if the given compiler is really the Intel compiler for Linux.  It
 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
@@ -1250,30 +1377,30 @@ dnl $1 = GCC (default) or GXX
 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
 dnl $3 = CFLAGS (default) or CXXFLAGS
 AC_DEFUN([CF_INTEL_COMPILER],[
-ifelse($2,,INTEL_COMPILER,[$2])=no
+ifelse([$2],,INTEL_COMPILER,[$2])=no
 
-if test "$ifelse($1,,[$1],GCC)" = yes ; then
+if test "$ifelse([$1],,[$1],GCC)" = yes ; then
        case $host_os in
        linux*|gnu*)
-               AC_MSG_CHECKING(if this is really Intel ifelse($1,GXX,C++,C) compiler)
-               cf_save_CFLAGS="$ifelse($3,,CFLAGS,[$3])"
-               ifelse($3,,CFLAGS,[$3])="$ifelse($3,,CFLAGS,[$3]) -no-gcc"
+               AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
+               cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
+               ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
                AC_TRY_COMPILE([],[
 #ifdef __INTEL_COMPILER
 #else
 make an error
 #endif
-],[ifelse($2,,INTEL_COMPILER,[$2])=yes
+],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
 ],[])
-               ifelse($3,,CFLAGS,[$3])="$cf_save_CFLAGS"
-               AC_MSG_RESULT($ifelse($2,,INTEL_COMPILER,[$2]))
+               ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
+               AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
                ;;
        esac
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LIBRARY_PATH version: 8 updated: 2008/12/07 19:38:31
+dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
 dnl ---------------
 dnl Construct a search-list of directories for a nonstandard library-file
 dnl
@@ -1282,6 +1409,7 @@ dnl       $1 = the variable to return as result
 dnl    $2 = the package name
 AC_DEFUN([CF_LIBRARY_PATH],
 [
+$1=
 cf_library_path_list=""
 if test -n "${LDFLAGS}${LIBS}" ; then
        for cf_library_path in $LDFLAGS $LIBS
@@ -1301,6 +1429,104 @@ 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 ----------
 dnl Write a debug message to config.log, along with the line number in the
@@ -1342,7 +1568,7 @@ printf("old\n");
        ,[$1=no])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CONFIG version: 5 updated: 2009/01/11 15:31:22
+dnl CF_NCURSES_CONFIG version: 6 updated: 2010/04/28 06:02:16
 dnl -----------------
 dnl Tie together the configure-script macros for ncurses.
 dnl Prefer the "-config" script from ncurses 5.6, to simplify analysis.
@@ -1358,11 +1584,12 @@ AC_PATH_PROGS(NCURSES_CONFIG,${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-
 
 if test "$NCURSES_CONFIG" != none ; then
 
-cf_cv_ncurses_header=curses.h
-
 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
 LIBS="`$NCURSES_CONFIG --libs` $LIBS"
 
+# even with config script, some packages use no-override for curses.h
+CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
+
 dnl like CF_NCURSES_CPPFLAGS
 AC_DEFINE(NCURSES)
 
@@ -1432,6 +1659,41 @@ AC_DEFINE(NCURSES)
 CF_NCURSES_VERSION
 ])dnl
 dnl ---------------------------------------------------------------------------
+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 "$cf_cv_ncurses_ext_funcs" == yes && AC_DEFINE(NCURSES_EXT_FUNCS)
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_NCURSES_HEADER version: 2 updated: 2008/03/23 14:48:54
 dnl -----------------
 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
@@ -1645,7 +1907,7 @@ AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
 AC_SUBST(NCURSES_WRAP_PREFIX)
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_PATH_SYNTAX version: 12 updated: 2008/03/23 14:45:59
+dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
 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
@@ -1677,7 +1939,7 @@ case ".[$]$1" in #(vi
   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
   ;;
 *)
-  ifelse($2,,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
+  ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
   ;;
 esac
 ])dnl
@@ -1725,7 +1987,39 @@ else
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_POSIX_C_SOURCE version: 6 updated: 2005/07/14 20:25:10
+dnl CF_PKG_CONFIG version: 3 updated: 2009/01/25 10:55:09
+dnl -------------
+dnl Check for the package-config program, unless disabled by command-line.
+AC_DEFUN([CF_PKG_CONFIG],
+[
+AC_MSG_CHECKING(if you want to use pkg-config)
+AC_ARG_WITH(pkg-config,
+       [  --with-pkg-config{=path} enable/disable use of pkg-config],
+       [cf_pkg_config=$withval],
+       [cf_pkg_config=yes])
+AC_MSG_RESULT($cf_pkg_config)
+
+case $cf_pkg_config in #(vi
+no) #(vi
+       PKG_CONFIG=none
+       ;;
+yes) #(vi
+       AC_PATH_PROG(PKG_CONFIG, pkg-config, none)
+       ;;
+*)
+       PKG_CONFIG=$withval
+       ;;
+esac
+
+test -z "$PKG_CONFIG" && PKG_CONFIG=none
+if test "$PKG_CONFIG" != none ; then
+       CF_PATH_SYNTAX(PKG_CONFIG)
+fi
+
+AC_SUBST(PKG_CONFIG)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
 dnl -----------------
 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
 dnl
@@ -1741,7 +2035,7 @@ dnl Parameters:
 dnl    $1 is the nominal value for _POSIX_C_SOURCE
 AC_DEFUN([CF_POSIX_C_SOURCE],
 [
-cf_POSIX_C_SOURCE=ifelse($1,,199506L,$1)
+cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
 
 cf_save_CFLAGS="$CFLAGS"
 cf_save_CPPFLAGS="$CPPFLAGS"
@@ -1793,12 +2087,7 @@ 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
@@ -1852,7 +2141,7 @@ 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
@@ -1864,10 +2153,9 @@ 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"'\(=[[^       ]]*\)\?[$]//g'`
 ])dnl
 dnl ---------------------------------------------------------------------------
 dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
@@ -1905,14 +2193,15 @@ AC_MSG_RESULT($cf_cv_sig_atomic_t)
 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t)
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_SUBDIR_PATH version: 5 updated: 2007/07/29 09:55:12
+dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
 dnl --------------
 dnl Construct a search-list for a nonstandard header/lib-file
 dnl    $1 = the variable to return as result
 dnl    $2 = the package name
 dnl    $3 = the subdirectory, e.g., bin, include or lib
 AC_DEFUN([CF_SUBDIR_PATH],
-[$1=""
+[
+$1=
 
 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
@@ -1991,6 +2280,29 @@ ncursesw/term.h)
 esac
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_TRY_PKG_CONFIG version: 3 updated: 2010/06/02 05:03:05
+dnl -----------------
+dnl This is a simple wrapper to use for pkg-config, for libraries which may be
+dnl available in that form.
+dnl
+dnl $1 = package name
+dnl $2 = extra logic to use, if any, after updating CFLAGS and LIBS
+dnl $3 = logic to use if pkg-config does not have the package
+AC_DEFUN([CF_TRY_PKG_CONFIG],[
+AC_REQUIRE([CF_PKG_CONFIG])
+
+if test "$PKG_CONFIG" != none && "$PKG_CONFIG" --exists $1; then
+       CF_VERBOSE(found package $1)
+       cf_pkgconfig_incs="`$PKG_CONFIG --cflags $1 2>/dev/null`"
+       cf_pkgconfig_libs="`$PKG_CONFIG --libs   $1 2>/dev/null`"
+       CF_ADD_CFLAGS($cf_pkgconfig_incs)
+       CF_ADD_LIBS($cf_pkgconfig_libs)
+       ifelse([$2],,:,[$2])
+else
+       ifelse([$3],,:,[$3])
+fi
+])
+dnl ---------------------------------------------------------------------------
 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
 dnl --------
 dnl Make an uppercase version of a variable
@@ -2000,7 +2312,7 @@ AC_DEFUN([CF_UPPER],
 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_UTF8_LIB version: 5 updated: 2008/10/17 19:37:52
+dnl CF_UTF8_LIB version: 6 updated: 2010/04/21 06:20:50
 dnl -----------
 dnl Check for multibyte support, and if not found, utf8 compatibility library
 AC_DEFUN([CF_UTF8_LIB],
@@ -2022,7 +2334,7 @@ if test "$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 $LIBS"
+       LIBS="$cf_cv_library_file_utf8 $LIBS"
 fi
 ])dnl
 dnl ---------------------------------------------------------------------------
@@ -2034,6 +2346,56 @@ AC_DEFUN([CF_VERBOSE],
 CF_MSG_LOG([$1])
 ])dnl
 dnl ---------------------------------------------------------------------------
+dnl CF_WCHAR_TYPE version: 3 updated: 2010/05/26 16:44:57
+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
+       $3=1
+fi
+])
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_WITH_CURSES_DIR version: 2 updated: 2002/11/10 14:46:59
 dnl ------------------
 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
@@ -2046,7 +2408,7 @@ AC_ARG_WITH(curses-dir,
        [cf_cv_curses_dir=no])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_CURSES version: 8 updated: 2003/11/07 19:47:46
+dnl CF_XOPEN_CURSES version: 9 updated: 2010/04/28 06:02:16
 dnl ---------------
 dnl Test if we should define X/Open source for curses, needed on Digital Unix
 dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
@@ -2060,6 +2422,11 @@ AC_CACHE_CHECK(if we must define _XOPEN_SOURCE_EXTENDED,cf_cv_need_xopen_extensi
 AC_TRY_LINK([
 #include <stdlib.h>
 #include <${cf_cv_ncurses_header-curses.h}>],[
+#if defined(NCURSES_VERSION_PATCH)
+if (NCURSES_VERSION_PATCH < 20100501) && (NCURSES_VERSION_PATCH >= 20100403)
+       make an error
+#endif
+#endif
        long x = winnstr(stdscr, "", 0);
        int x1, y1;
        getbegyx(stdscr, y1, x1)],
@@ -2068,6 +2435,10 @@ AC_TRY_LINK([
 #define _XOPEN_SOURCE_EXTENDED
 #include <stdlib.h>
 #include <${cf_cv_ncurses_header-curses.h}>],[
+#ifdef NCURSES_VERSION
+       cchar_t check;
+       int check2 = curs_set((int)sizeof(check));
+#endif
        long x = winnstr(stdscr, "", 0);
        int x1, y1;
        getbegyx(stdscr, y1, x1)],
@@ -2076,7 +2447,7 @@ AC_TRY_LINK([
 test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 28 updated: 2008/12/27 12:30:03
+dnl CF_XOPEN_SOURCE version: 34 updated: 2010/05/26 05:38:42
 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,
@@ -2087,14 +2458,19 @@ 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=ifelse([$1],,500,[$1])
+cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
+cf_xopen_source=
 
 case $host_os in #(vi
 aix[[456]]*) #(vi
-       CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
+       cf_xopen_source="-D_ALL_SOURCE"
+       ;;
+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
@@ -2102,13 +2478,16 @@ freebsd*|dragonfly*) #(vi
        #       _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="$CPPFLAGS -D_SGI_SOURCE"
+       cf_xopen_source="-D_SGI_SOURCE"
        ;;
 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
        CF_GNU_SOURCE
@@ -2123,16 +2502,19 @@ openbsd*) #(vi
        # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
        ;;
 osf[[45]]*) #(vi
-       CPPFLAGS="$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=$cf_XOPEN_SOURCE"
+       ;;
+solaris2.[[1-9]]) #(vi
+       cf_xopen_source="-D__EXTENSIONS__"
        ;;
 *)
        AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
@@ -2155,22 +2537,25 @@ make an error
        if test "$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
+dnl CF_X_ATHENA version: 15 updated: 2010/06/02 05:03:05
 dnl -----------
 dnl Check for Xaw (Athena) libraries
 dnl
 dnl Sets $cf_x_athena according to the flavor of Xaw which is used.
 AC_DEFUN([CF_X_ATHENA],
-[AC_REQUIRE([CF_X_TOOLKIT])
+[
 cf_x_athena=${cf_x_athena-Xaw}
 
 AC_MSG_CHECKING(if you want to link with Xaw 3d library)
@@ -2206,23 +2591,48 @@ else
        AC_MSG_RESULT(no)
 fi
 
-AC_CHECK_LIB(Xext,XextCreateExtension,
-       [LIBS="-lXext $LIBS"])
-
 cf_x_athena_lib=""
 
-CF_X_ATHENA_CPPFLAGS($cf_x_athena)
-CF_X_ATHENA_LIBS($cf_x_athena)
+if test "$PKG_CONFIG" != none ; then
+       cf_athena_list=
+       test "$cf_x_athena" = Xaw && cf_athena_list="xaw8 xaw7 xaw6"
+       for cf_athena_pkg in \
+               $cf_athena_list \
+               ${cf_x_athena} \
+               ${cf_x_athena}-devel \
+               lib${cf_x_athena} \
+               lib${cf_x_athena}-devel
+       do
+               if "$PKG_CONFIG" --exists $cf_athena_pkg; then
+                       CF_VERBOSE(found package $cf_athena_pkg)
+                       cf_x_athena_inc="`$PKG_CONFIG --cflags $cf_athena_pkg 2>/dev/null`"
+                       cf_x_athena_lib="`$PKG_CONFIG --libs   $cf_athena_pkg 2>/dev/null`"
+                       CF_ADD_CFLAGS($cf_x_athena_inc)
+                       CF_ADD_LIBS($cf_x_athena_lib)
+
+                       CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
+                       AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
+                       break
+               fi
+       done
+fi
+
+if test -z "$cf_x_athena_lib" ; then
+       CF_X_EXT
+       CF_X_TOOLKIT
+       CF_X_ATHENA_CPPFLAGS($cf_x_athena)
+       CF_X_ATHENA_LIBS($cf_x_athena)
+fi
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_X_ATHENA_CPPFLAGS version: 3 updated: 2009/01/11 15:33:39
+dnl CF_X_ATHENA_CPPFLAGS version: 5 updated: 2010/05/26 17:35:30
 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.
 AC_DEFUN([CF_X_ATHENA_CPPFLAGS],
 [
-cf_x_athena_root=ifelse($1,,Xaw,$1)
-cf_x_athena_include=""
+cf_x_athena_root=ifelse([$1],,Xaw,[$1])
+cf_x_athena_inc=""
 
 for cf_path in default \
        /usr/contrib/X11R6 \
@@ -2230,7 +2640,7 @@ for cf_path in default \
        /usr/lib/X11R5 \
        /usr/local
 do
-       if test -z "$cf_x_athena_include" ; then
+       if test -z "$cf_x_athena_inc" ; then
                cf_save="$CPPFLAGS"
                cf_test=X11/$cf_x_athena_root/SimpleMenu.h
                if test $cf_path != default ; then
@@ -2246,7 +2656,7 @@ do
                        [cf_result=no])
                AC_MSG_RESULT($cf_result)
                if test "$cf_result" = yes ; then
-                       cf_x_athena_include=$cf_path
+                       cf_x_athena_inc=$cf_path
                        break
                else
                        CPPFLAGS="$cf_save"
@@ -2254,21 +2664,21 @@ do
        fi
 done
 
-if test -z "$cf_x_athena_include" ; then
+if test -z "$cf_x_athena_inc" ; then
        AC_MSG_WARN(
 [Unable to successfully find Athena header files with test program])
-elif test "$cf_x_athena_include" != default ; then
-       CPPFLAGS="$CPPFLAGS -I$cf_x_athena_include"
+elif test "$cf_x_athena_inc" != default ; then
+       CPPFLAGS="$CPPFLAGS -I$cf_x_athena_inc"
 fi
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_X_ATHENA_LIBS version: 7 updated: 2008/03/23 14:46:03
+dnl CF_X_ATHENA_LIBS version: 9 updated: 2010/06/02 05:03:05
 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.
 AC_DEFUN([CF_X_ATHENA_LIBS],
 [AC_REQUIRE([CF_X_TOOLKIT])
-cf_x_athena_root=ifelse($1,,Xaw,$1)
+cf_x_athena_root=ifelse([$1],,Xaw,[$1])
 cf_x_athena_lib=""
 
 for cf_path in default \
@@ -2286,10 +2696,10 @@ do
                        cf_save="$LIBS"
                        cf_test=XawSimpleMenuAddGlobalActions
                        if test $cf_path != default ; then
-                               LIBS="-L$cf_path/lib $cf_lib $LIBS"
+                               CF_ADD_LIBS(-L$cf_path/lib $cf_lib)
                                AC_MSG_CHECKING(for $cf_lib in $cf_path)
                        else
-                               LIBS="$cf_lib $LIBS"
+                               CF_ADD_LIBS($cf_lib)
                                AC_MSG_CHECKING(for $cf_test in $cf_lib)
                        fi
                        AC_TRY_LINK([],[$cf_test()],
@@ -2314,7 +2724,15 @@ CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
 AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
 ])
 dnl ---------------------------------------------------------------------------
-dnl CF_X_TOOLKIT version: 12 updated: 2008/03/23 15:04:54
+dnl CF_X_EXT version: 3 updated: 2010/06/02 05:03:05
+dnl --------
+AC_DEFUN([CF_X_EXT],[
+CF_TRY_PKG_CONFIG(Xext,,[
+       AC_CHECK_LIB(Xext,XextCreateExtension,
+               [CF_ADD_LIB(Xext)])])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_X_TOOLKIT version: 14 updated: 2010/06/02 05:03:05
 dnl ------------
 dnl Check for X Toolkit libraries
 dnl
@@ -2323,24 +2741,27 @@ AC_DEFUN([CF_X_TOOLKIT],
 AC_REQUIRE([AC_PATH_XTRA])
 AC_REQUIRE([CF_CHECK_CACHE])
 
-# SYSTEM_NAME=`echo "$cf_cv_system_name"|tr ' ' -`
-
 cf_have_X_LIBS=no
 
-LDFLAGS="$X_LIBS $LDFLAGS"
-CF_CHECK_CFLAGS($X_CFLAGS)
+CF_TRY_PKG_CONFIG(xt,[
+       cf_have_X_LIBS=yes
+],[
 
-AC_CHECK_FUNC(XOpenDisplay,,[
-AC_CHECK_LIB(X11,XOpenDisplay,
-       [LIBS="-lX11 $LIBS"],,
-       [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
+       LDFLAGS="$X_LIBS $LDFLAGS"
+       CF_CHECK_CFLAGS($X_CFLAGS)
 
-AC_CHECK_FUNC(XtAppInitialize,,[
-AC_CHECK_LIB(Xt, XtAppInitialize,
-       [AC_DEFINE(HAVE_LIBXT)
-        cf_have_X_LIBS=Xt
-        LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"],,
-       [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
+       AC_CHECK_FUNC(XOpenDisplay,,[
+       AC_CHECK_LIB(X11,XOpenDisplay,
+               [CF_ADD_LIB(X11)],,
+               [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
+
+       AC_CHECK_FUNC(XtAppInitialize,,[
+       AC_CHECK_LIB(Xt, XtAppInitialize,
+               [AC_DEFINE(HAVE_LIBXT)
+                cf_have_X_LIBS=Xt
+                LIBS="-lXt $X_PRE_LIBS $LIBS $X_EXTRA_LIBS"],,
+               [$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])])
+])
 
 if test $cf_have_X_LIBS = no ; then
        AC_MSG_WARN(
@@ -2349,3 +2770,23 @@ test program.  You will have to check and add the proper libraries by hand
 to makefile.])
 fi
 ])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF__CURSES_HEAD version: 1 updated: 2009/07/16 19:32:31
+dnl ---------------
+dnl Define a reusable chunk which includes <curses.h> and <term.h> when they
+dnl are both available.
+define([CF__CURSES_HEAD],[
+#ifdef HAVE_XCURSES
+#include <xcurses.h>
+char * XCursesProgramName = "test";
+#else
+#include <${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
+])