(jm_FUNC_MBRTOWC): Adapt to use AC_CACHE_CHECK etc., rather than AC_CACHE_VAL.

diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4
index f15bb22..3085fc3 100644 (file)
--- a/m4/mbrtowc.m4
+++ b/m4/mbrtowc.m4
@@ -1,18 +1,17 @@
-#serial 1
+#serial 2
 
 dnl From Paul Eggert
 
 AC_DEFUN(jm_FUNC_MBRTOWC,
 [
-  AC_MSG_CHECKING([whether mbrtowc and mbstate_t are properly declared])
-  AC_CACHE_VAL(jm_cv_func_mbrtowc,
+  AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
+    jm_cv_func_mbrtowc,
     [AC_TRY_LINK(
-       [#include <wchar.h>],
+       [@%:@include <wchar.h>],
        [mbstate_t state; return ! (sizeof state && mbrtowc);],
-       [jm_cv_func_mbrtowc=yes],
-       [jm_cv_func_mbrtowc=no])])
+       jm_cv_func_mbrtowc=yes,
+       jm_cv_func_mbrtowc=no)])
   if test $jm_cv_func_mbrtowc = yes; then
-    AC_MSG_RESULT(yes)
     AC_DEFINE(HAVE_MBRTOWC, 1,
       [Define to 1 if mbrtowc and mbstate_t are properly declared.])
   fi