X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Farpa_inet_h.m4;h=15a30e2bcab5f97f6b19692a58ec737ad620d329;hb=542af6b9ca1011a9d304139cb8f5e7b6cf217c47;hp=d342be69c3d56f4fa8fea566c0548c034bce4abe;hpb=da79138de50a46870a8c56a7aef09bf66591c402;p=gnulib.git

diff --git a/m4/arpa_inet_h.m4 b/m4/arpa_inet_h.m4
index d342be69c..15a30e2bc 100644
--- a/m4/arpa_inet_h.m4
+++ b/m4/arpa_inet_h.m4
@@ -1,5 +1,5 @@
-# arpa_inet_h.m4 serial 3
-dnl Copyright (C) 2006, 2008 Free Software Foundation, Inc.
+# arpa_inet_h.m4 serial 8
+dnl Copyright (C) 2006, 2008, 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.
@@ -16,21 +16,35 @@ AC_DEFUN([gl_HEADER_ARPA_INET],
   if test $ac_cv_header_arpa_inet_h = yes; then
     HAVE_ARPA_INET_H=1
   else
-    ARPA_INET_H='arpa/inet.h'
     HAVE_ARPA_INET_H=0
   fi
   AC_SUBST([HAVE_ARPA_INET_H])
-  dnl Execute this unconditionally, because ARPA_INET_H may be set by other
-  dnl modules, after this code is executed.
+  dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([arpa/inet.h])
-  
+
+  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([[
+/* On some systems, this header is not self-consistent.  */
+#ifndef __GLIBC__
+# include <sys/socket.h>
+#endif
+#include <arpa/inet.h>
+    ]], [inet_ntop inet_pton])
+])
+
+dnl Unconditionally enables the replacement of <arpa/inet.h>.
+AC_DEFUN([gl_REPLACE_ARPA_INET_H],
+[
+  dnl This is a no-op, because <arpa/inet.h> is always overridden.
+  :
 ])
 
 AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
 [
   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
   AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
-  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
 ])
 
 AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
@@ -40,5 +54,4 @@ AC_DEFUN([gl_ARPA_INET_H_DEFAULTS],
   dnl Assume proper GNU behavior unless another module says otherwise.
   HAVE_DECL_INET_NTOP=1;  AC_SUBST([HAVE_DECL_INET_NTOP])
   HAVE_DECL_INET_PTON=1;  AC_SUBST([HAVE_DECL_INET_PTON])
-  ARPA_INET_H='';         AC_SUBST([ARPA_INET_H])
 ])