-# arpa_inet_h.m4 serial 5
-dnl Copyright (C) 2006, 2008, 2009 Free Software Foundation, Inc.
+# arpa_inet_h.m4 serial 7
+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.
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],
[
- AC_REQUIRE([gl_ARPA_INET_H_DEFAULTS])
- ARPA_INET_H='arpa/inet.h'
+ dnl This is a no-op, because <arpa/inet.h> is always overridden.
+ :
])
AC_DEFUN([gl_ARPA_INET_MODULE_INDICATOR],
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])
])