X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;fp=aclocal.m4;h=d48cde0cb286353455c854e8f5da394a3f3f2dc2;hp=30127c5ed43ca4476024fa08dba886e917df7e7b;hb=265e45e43e9917e8b9ecc2bf9d23867a3ede2ecd;hpb=45a2b5bc1a4536173178e9907feb268c708797c7

diff --git a/aclocal.m4 b/aclocal.m4
index 30127c5e..d48cde0c 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -29,7 +29,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: aclocal.m4,v 1.960 2021/05/01 21:51:55 tom Exp $
+dnl $Id: aclocal.m4,v 1.961 2021/05/19 23:35:25 tom Exp $
 dnl Macros used in NCURSES auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -8141,15 +8141,21 @@ AC_DEFUN([CF_UPPER],
 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
+dnl CF_UTF8_LIB version: 9 updated: 2021/05/19 19:35:25
 dnl -----------
 dnl Check for multibyte support, and if not found, utf8 compatibility library
 AC_DEFUN([CF_UTF8_LIB],
 [
+AC_HAVE_HEADERS(wchar.h)
 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
 	cf_save_LIBS="$LIBS"
 	AC_TRY_LINK([
-#include <stdlib.h>],[putwc(0,0);],
+#include <stdlib.h>
+#include <stdio.h>
+#ifdef HAVE_WCHAR_H
+#include <wchar.h>
+#endif
+],[putwc(0,0);],
 	[cf_cv_utf8_lib=yes],
 	[CF_FIND_LINKAGE([
 #include <libutf8.h>],[putwc(0,0);],utf8,