Test against SO_REUSEADDR (along with _WIN32).

This makes the code build on other systems that also don't have
SO_REUSEADDR without requiring special code.

[ azat: partially revert WIN32 check since SO_REUSEADDR on win32 differs from
unix semantics. ]

Closes #275

diff --git a/evutil.c b/evutil.c
index f6b7f2ddf23ee0ed9cd6f01f5a4e2db900e4b56d..f9cbaa7d63356d89917e9da7a0871803a14f9a47 100644 (file)
--- a/evutil.c
+++ b/evutil.c
@@ -358,7 +358,7 @@ evutil_fast_socket_nonblocking(evutil_socket_t fd)
 int
 evutil_make_listen_socket_reuseable(evutil_socket_t sock)
 {
-#ifndef _WIN32
+#if defined(SO_REUSEADDR) && !defined(_WIN32)
        int one = 1;
        /* REUSEADDR on Unix means, "don't hang on to this address after the
         * listener is closed."  On Windows, though, it means "don't keep other