Use Gnulib's `getaddrinfo' module.

[bpt/guile.git] / m4 / locale_h.m4

diff --git a/m4/locale_h.m4 b/m4/locale_h.m4
index 35b8b32..0b7f493 100644 (file)
--- a/m4/locale_h.m4
+++ b/m4/locale_h.m4
@@ -1,5 +1,5 @@
-# locale_h.m4 serial 5
-dnl Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+# locale_h.m4 serial 7
+dnl Copyright (C) 2007, 2009, 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,
 dnl with or without modifications, as long as this notice is preserved.
@@ -48,8 +48,7 @@ locale_t x;], [],
   fi
   AC_SUBST([HAVE_XLOCALE_H])
 
-  dnl Execute this unconditionally, because LOCALE_H may be set by other
-  dnl modules, after this code is executed.
+  dnl <locale.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([locale.h])
 
   if test -n "$STDDEF_H" \
@@ -57,13 +56,22 @@ locale_t x;], [],
      || test $gl_cv_header_locale_h_needs_xlocale_h = yes; then
     gl_REPLACE_LOCALE_H
   fi
+
+  dnl Check for declarations of anything we want to poison if the
+  dnl corresponding gnulib module is not in use.
+  gl_WARN_ON_USE_PREPARE([[#include <locale.h>
+/* Some systems provide declarations in a non-standard header.  */
+#if HAVE_XLOCALE_H
+# include <xlocale.h>
+#endif
+   ]], [duplocale])
 ])
 
 dnl Unconditionally enables the replacement of <locale.h>.
 AC_DEFUN([gl_REPLACE_LOCALE_H],
 [
-  AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
-  LOCALE_H=locale.h
+  dnl This is a no-op, because <locale.h> is always overridden.
+  :
 ])
 
 AC_DEFUN([gl_LOCALE_MODULE_INDICATOR],
@@ -78,5 +86,4 @@ AC_DEFUN([gl_LOCALE_H_DEFAULTS],
   GNULIB_DUPLOCALE=0;  AC_SUBST([GNULIB_DUPLOCALE])
   dnl Assume proper GNU behavior unless another module says otherwise.
   REPLACE_DUPLOCALE=0; AC_SUBST([REPLACE_DUPLOCALE])
-  LOCALE_H='';         AC_SUBST([LOCALE_H])
 ])