getaddrinfo: Doc fix.

[pspp] / m4 / duplocale.m4

diff --git a/m4/duplocale.m4 b/m4/duplocale.m4
index e7e784e691764159a91341cdf903f0d5ff9d0ee6..4393d82dfb6780348d3b10ff06d4ad56f2b5ee9a 100644 (file)
--- a/m4/duplocale.m4
+++ b/m4/duplocale.m4
@@ -1,5 +1,5 @@
-# duplocale.m4 serial 3
-dnl Copyright (C) 2009-2010 Free Software Foundation, Inc.
+# duplocale.m4 serial 5
+dnl Copyright (C) 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -17,7 +17,8 @@ AC_DEFUN([gl_FUNC_DUPLOCALE],
     AC_REQUIRE([gl_LOCALE_H])
     AC_CACHE_CHECK([whether duplocale(LC_GLOBAL_LOCALE) works],
       [gl_cv_func_duplocale_works],
-      [AC_TRY_RUN([
+      [AC_RUN_IFELSE(
+         [AC_LANG_SOURCE([[
 #include <locale.h>
 #if HAVE_XLOCALE_H
 # include <xlocale.h>
@@ -27,17 +28,22 @@ int main ()
   if (duplocale (LC_GLOBAL_LOCALE) == (locale_t)0)
     return 1;
   return 0;
-}], [gl_cv_func_duplocale_works=yes], [gl_cv_func_duplocale_works=no],
-         [dnl Guess it works except on glibc < 2.12 and AIX.
+}]])],
+         [gl_cv_func_duplocale_works=yes],
+         [gl_cv_func_duplocale_works=no],
+         [dnl Guess it works except on glibc < 2.12, uClibc, and AIX.
           case "$host_os" in
             aix*) gl_cv_func_duplocale_works="guessing no";;
             *-gnu*)
-              AC_EGREP_CPP([Unlucky GNU user], [
+              AC_EGREP_CPP([Unlucky], [
 #include <features.h>
 #ifdef __GNU_LIBRARY__
  #if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 12)
   Unlucky GNU user
  #endif
+#endif
+#ifdef __UCLIBC__
+ Unlucky user
 #endif
                 ],
                 [gl_cv_func_duplocale_works="guessing no"],