X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=m4%2Fmbsrtowcs.m4;fp=m4%2Fmbsrtowcs.m4;h=e854337ffdcb04e85a77ce184c9ee7f9b359d602;hp=846a29345fe2acc41f2d488fcc12328ebcd3fd22;hb=de7372b23c3da92fbfaea2d1ac592f0b2ba87914;hpb=fbbfb9406a82e647ce27b6462b11a802fa48f31a

diff --git a/m4/mbsrtowcs.m4 b/m4/mbsrtowcs.m4
index 846a293..e854337 100644
--- a/m4/mbsrtowcs.m4
+++ b/m4/mbsrtowcs.m4
@@ -1,4 +1,4 @@
-# mbsrtowcs.m4 serial 5
+# mbsrtowcs.m4 serial 7
 dnl Copyright (C) 2008-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -10,19 +10,20 @@ AC_DEFUN([gl_FUNC_MBSRTOWCS],
 
   AC_REQUIRE([AC_TYPE_MBSTATE_T])
   gl_MBSTATE_T_BROKEN
-  if test $REPLACE_MBSTATE_T = 1; then
-    REPLACE_MBSRTOWCS=1
-  fi
+
   AC_CHECK_FUNCS_ONCE([mbsrtowcs])
   if test $ac_cv_func_mbsrtowcs = no; then
     HAVE_MBSRTOWCS=0
-  fi
-  if test $HAVE_MBSRTOWCS != 0 && test $REPLACE_MBSRTOWCS != 1; then
-    gl_MBSRTOWCS_WORKS
-    case "$gl_cv_func_mbsrtowcs_works" in
-      *yes) ;;
-      *) REPLACE_MBSRTOWCS=1 ;;
-    esac
+  else
+    if test $REPLACE_MBSTATE_T = 1; then
+      REPLACE_MBSRTOWCS=1
+    else
+      gl_MBSRTOWCS_WORKS
+      case "$gl_cv_func_mbsrtowcs_works" in
+        *yes) ;;
+        *) REPLACE_MBSRTOWCS=1 ;;
+      esac
+    fi
   fi
   if test $HAVE_MBSRTOWCS = 0 || test $REPLACE_MBSRTOWCS = 1; then
     gl_REPLACE_WCHAR_H
@@ -56,7 +57,8 @@ changequote(,)dnl
       esac
 changequote([,])dnl
       if test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then
-        AC_TRY_RUN([
+        AC_RUN_IFELSE(
+          [AC_LANG_SOURCE([[
 #include <locale.h>
 #include <string.h>
 #include <wchar.h>
@@ -107,7 +109,7 @@ int main ()
           }
     }
   return 0;
-}],
+}]])],
           [gl_cv_func_mbsrtowcs_works=yes],
           [gl_cv_func_mbsrtowcs_works=no],
           [:])