From 20e0a61ff6237709b285daec4337fd241e578dd2 Mon Sep 17 00:00:00 2001
From: William Orr <will@worrbase.com>
Date: Fri, 10 Oct 2014 22:50:39 -0700
Subject: [PATCH] Don't test for sched_yield on Windows

---
 configure.ac | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 3b5cb60b3..ba408af36 100644
--- a/configure.ac
+++ b/configure.ac
@@ -139,8 +139,14 @@ AM_CONDITIONAL([USE_EXTERNAL_PROTOC], [test "$with_protoc" != "no"])
 ACX_PTHREAD
 AC_CXX_STL_HASH
 
-# Need to link against rt on Solaris
-AC_SEARCH_LIBS([sched_yield], [rt], [], [AC_MSG_FAILURE([sched_yield was not found on your system])])
+case "$target_os" in
+  mingw* | cygwin* | win*)
+    ;;
+  *)
+    # Need to link against rt on Solaris
+    AC_SEARCH_LIBS([sched_yield], [rt], [], [AC_MSG_FAILURE([sched_yield was not found on your system])])
+    ;;
+esac
 
 # HACK:  Make gtest's configure script pick up our copy of CFLAGS and CXXFLAGS,
 #   since the flags added by ACX_CHECK_SUNCC must be used when compiling gtest