X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Farpa_inet_h.m4;h=b65b72d1a5bbe9c3955c569045a24b536f669f36;hb=91d0cb58387e1e52b7023bcd0b01c1337c0fb9c8;hp=baddf0da7208b847e082d17ae3435073ca3b1a8a;hpb=aa1d60fec96400b6f0a07bf2701b8bc1ba955077;p=gnulib.git

diff --git a/m4/arpa_inet_h.m4 b/m4/arpa_inet_h.m4
index baddf0da7..b65b72d1a 100644
--- a/m4/arpa_inet_h.m4
+++ b/m4/arpa_inet_h.m4
@@ -1,10 +1,10 @@
-# arpa_inet_h.m4 serial 2
-dnl Copyright (C) 2006, 2008 Free Software Foundation, Inc.
+# arpa_inet_h.m4 serial 13
+dnl Copyright (C) 2006, 2008-2011 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.
 
-dnl Written by Simon Josefsson
+dnl Written by Simon Josefsson and Bruno Haible
 
 AC_DEFUN([gl_HEADER_ARPA_INET],
 [
@@ -14,18 +14,35 @@ AC_DEFUN([gl_HEADER_ARPA_INET],
 
   AC_CHECK_HEADERS_ONCE([arpa/inet.h])
   if test $ac_cv_header_arpa_inet_h = yes; then
-    ARPA_INET_H=''
+    HAVE_ARPA_INET_H=1
   else
-    ARPA_INET_H='arpa/inet.h'
+    HAVE_ARPA_INET_H=0
   fi
-  AC_SUBST(ARPA_INET_H)
+  AC_SUBST([HAVE_ARPA_INET_H])
+  dnl <arpa/inet.h> is always overridden, because of GNULIB_POSIXCHECK.
+  gl_CHECK_NEXT_HEADERS([arpa/inet.h])
+
+  AC_REQUIRE([gl_FEATURES_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.  */
+#if !(defined __GLIBC__ || defined __UCLIBC__)
+# include <sys/socket.h>
+#endif
+#ifdef __TANDEM
+# include <netdb.h>
+#endif
+#include <arpa/inet.h>
+    ]], [inet_ntop inet_pton])
 ])
 
 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],
@@ -35,4 +52,5 @@ 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])
+  REPLACE_INET_NTOP=0;    AC_SUBST([REPLACE_INET_NTOP])
 ])