X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=m4%2Fwcrtomb.m4;fp=m4%2Fwcrtomb.m4;h=0de262e61200903d6c166b7c82c91b8c2037307f;hp=19c0c5fe90ea035578b3511746d050e437f5574f;hb=b414e25de8ca49d7567a92c203d431383ec57c83;hpb=29ece34f44a27750bbfd76154ad9882580453dc7

diff --git a/m4/wcrtomb.m4 b/m4/wcrtomb.m4
index 19c0c5f..0de262e 100644
--- a/m4/wcrtomb.m4
+++ b/m4/wcrtomb.m4
@@ -1,4 +1,4 @@
-# wcrtomb.m4 serial 4
+# wcrtomb.m4 serial 6
 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,
@@ -10,37 +10,38 @@ AC_DEFUN([gl_FUNC_WCRTOMB],
 
   AC_REQUIRE([AC_TYPE_MBSTATE_T])
   gl_MBSTATE_T_BROKEN
-  if test $REPLACE_MBSTATE_T = 1; then
-    REPLACE_WCRTOMB=1
-  fi
+
   AC_CHECK_FUNCS_ONCE([wcrtomb])
   if test $ac_cv_func_wcrtomb = no; then
     HAVE_WCRTOMB=0
-  fi
-  if test $HAVE_WCRTOMB != 0 && test $REPLACE_WCRTOMB != 1; then
-    dnl On AIX 4.3, OSF/1 5.1 and Solaris 10, wcrtomb (NULL, 0, NULL) sometimes
-    dnl returns 0 instead of 1.
-    AC_REQUIRE([AC_PROG_CC])
-    AC_REQUIRE([gt_LOCALE_FR])
-    AC_REQUIRE([gt_LOCALE_FR_UTF8])
-    AC_REQUIRE([gt_LOCALE_JA])
-    AC_REQUIRE([gt_LOCALE_ZH_CN])
-    AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
-    AC_CACHE_CHECK([whether wcrtomb return value is correct],
-      [gl_cv_func_wcrtomb_retval],
-      [
-        dnl Initial guess, used when cross-compiling or when no suitable locale
-        dnl is present.
+  else
+    if test $REPLACE_MBSTATE_T = 1; then
+      REPLACE_WCRTOMB=1
+    else
+      dnl On AIX 4.3, OSF/1 5.1 and Solaris 10, wcrtomb (NULL, 0, NULL) sometimes
+      dnl returns 0 instead of 1.
+      AC_REQUIRE([AC_PROG_CC])
+      AC_REQUIRE([gt_LOCALE_FR])
+      AC_REQUIRE([gt_LOCALE_FR_UTF8])
+      AC_REQUIRE([gt_LOCALE_JA])
+      AC_REQUIRE([gt_LOCALE_ZH_CN])
+      AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+      AC_CACHE_CHECK([whether wcrtomb return value is correct],
+        [gl_cv_func_wcrtomb_retval],
+        [
+          dnl Initial guess, used when cross-compiling or when no suitable locale
+          dnl is present.
 changequote(,)dnl
-        case "$host_os" in
-                                   # Guess no on AIX 4, OSF/1 and Solaris.
-          aix4* | osf* | solaris*) gl_cv_func_wcrtomb_retval="guessing no" ;;
-                                   # Guess yes otherwise.
-          *)                       gl_cv_func_wcrtomb_retval="guessing yes" ;;
-        esac
+          case "$host_os" in
+                                     # Guess no on AIX 4, OSF/1 and Solaris.
+            aix4* | osf* | solaris*) gl_cv_func_wcrtomb_retval="guessing no" ;;
+                                     # Guess yes otherwise.
+            *)                       gl_cv_func_wcrtomb_retval="guessing yes" ;;
+          esac
 changequote([,])dnl
-        if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then
-          AC_TRY_RUN([
+          if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then
+            AC_RUN_IFELSE(
+              [AC_LANG_SOURCE([[
 #include <locale.h>
 #include <stdio.h>
 #include <string.h>
@@ -68,16 +69,17 @@ int main ()
         return 1;
     }
   return 0;
-}],
-            [gl_cv_func_wcrtomb_retval=yes],
-            [gl_cv_func_wcrtomb_retval=no],
-            [:])
-        fi
-      ])
-    case "$gl_cv_func_wcrtomb_retval" in
-      *yes) ;;
-      *) REPLACE_WCRTOMB=1 ;;
-    esac
+}]])],
+              [gl_cv_func_wcrtomb_retval=yes],
+              [gl_cv_func_wcrtomb_retval=no],
+              [:])
+          fi
+        ])
+      case "$gl_cv_func_wcrtomb_retval" in
+        *yes) ;;
+        *) REPLACE_WCRTOMB=1 ;;
+      esac
+    fi
   fi
   if test $HAVE_WCRTOMB = 0 || test $REPLACE_WCRTOMB = 1; then
     gl_REPLACE_WCHAR_H