From e35749023ca68de6f1f85d3072f7b36fd6f6fe7c Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Thu, 12 Apr 2018 09:40:19 +0900
Subject: build: Check -lsocket -lnsl for Solaris.

* configure.ac: Check inet_addr for -lnsl, and socket for -lsocket.

--

Once I used LIB_SOCKET_NSL for the variable name, but it is already
used by AX_LIB_SOCKET_NSL in autoconf-archive as an alias of the
macro.  So, I changed the variable name.

GnuPG-bug-id: 3869
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
---
 configure.ac | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/configure.ac b/configure.ac
index e1f8858..2026128 100644
--- a/configure.ac
+++ b/configure.ac
@@ -462,6 +462,20 @@ AC_SEARCH_LIBS([sched_yield], [rt posix4],
                   config_libs="$config_libs $LIB_SCHED_YIELD"
                 fi])
 
+LIB_NETWORK=
+AC_SUBST([LIB_NETWORK])
+AC_SEARCH_LIBS([inet_addr], [nsl],
+               [if test "$ac_cv_search_inet_addr" != "none required"; then
+                  LIB_NETWORK=$ac_cv_search_inet_addr
+                fi])
+AC_SEARCH_LIBS([socket], [socket],
+               [if test "$ac_cv_search_socket" != "none required"; then
+                  LIB_NETWORK="$ac_cv_search_socket $LIB_NETWORK"
+                fi], [], [$LIB_NETWORK])
+if test "x$LIB_NETWORK" != x; then
+  config_libs="$config_libs $LIB_NETWORK"
+fi
+
 # Check for optional readline support
 GNUPG_CHECK_READLINE
 
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