From 60cc9f9404dde852cc00fa05ff03108ac6ec31d8 Mon Sep 17 00:00:00 2001
From: Fabian Groffen
Date: Mon, 17 Jan 2011 21:14:54 +0100
Subject: build-sys: link with socketlibs when necessary

To link an object which references socket functions, you need to link
with -lsocket -lnsl on Solaris.

Signed-off-by: Fabian Groffen <grobian@gentoo.org>
---
 configure.ac | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 5b491f8ef..c38cca43f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -211,6 +211,17 @@ AC_CHECK_MEMBER(struct sockaddr.sa_len,
 	[#include <sys/types.h>
 	 #include <sys/socket.h>])
 
+SOCKET_LIBS=
+AC_SEARCH_LIBS([gethostbyname], [nsl],
+	[if test x"$ac_cv_search_gethostbyname" != x"none required"; then
+		SOCKET_LIBS="$SOCKET_LIBS -lnsl";
+	 fi])
+AC_SEARCH_LIBS([socket], [socket],
+	[if test x"$ac_cv_search_socket" != x"none required"; then
+		SOCKET_LIBS="$SOCKET_LIBS -lsocket";
+	fi])
+AC_SUBST([SOCKET_LIBS])
+
 dnl Static compilation
 m4_define([UTIL_STATIC_PROGRAMS], [losetup, mount, umount, fdisk, sfdisk, blkid])
 
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