-# inet_ntop.m4 serial 3
-dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+# inet_ntop.m4 serial 9
+dnl Copyright (C) 2005, 2006, 2008, 2009 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.
AC_DEFUN([gl_INET_NTOP],
[
- AC_REPLACE_FUNCS(inet_ntop)
+ dnl Persuade Solaris <arpa/inet.h> to declare inet_ntop.
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+ gl_REPLACE_ARPA_INET_H
+
+ dnl The AC_SEARCH_LIBS call is a hack to persuade the Solaris 8 linker to
+ dnl find inet_ntop.
+ dnl
+ dnl It is the responsibility of gl_INET_NTOP's caller to arrange for
+ dnl -lnsl if it is needed. Normally -lnsl is not needed on Solaris 8,
+ dnl since inet_ntop is needed only by getaddrinfo, and getaddrinfo
+ dnl isn't built on Solaris 8.
+ gl_save_LIBS=$LIBS
+ AC_SEARCH_LIBS([inet_ntop], [nsl], [],
+ [AC_REPLACE_FUNCS([inet_ntop])])
+ LIBS=$gl_save_LIBS
+
gl_PREREQ_INET_NTOP
])
-# Prerequisites of lib/inet_ntop.h and lib/inet_ntop.c.
+# Prerequisites of lib/inet_ntop.c.
AC_DEFUN([gl_PREREQ_INET_NTOP], [
- AC_CHECK_HEADERS_ONCE([netinet/in.h arpa/inet.h])
AC_CHECK_DECLS([inet_ntop],,,[#include <arpa/inet.h>])
+ if test $ac_cv_have_decl_inet_ntop = no; then
+ HAVE_DECL_INET_NTOP=0
+ fi
AC_REQUIRE([gl_SOCKET_FAMILIES])
AC_REQUIRE([AC_C_RESTRICT])
])