From 8ef53c0dc6d625bdeb95b7f9626cf58cf6babfed Mon Sep 17 00:00:00 2001
From: Mikko Koppanen <mkoppanen@php.net>
Date: Fri, 15 Oct 2010 10:43:22 +0200
Subject: Fixes build on Linux using Sun Studio compiler

Signed-off-by: Mikko Koppanen <mkoppanen@php.net>
---
 configure.in | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/configure.in b/configure.in
index 46c9ce0..8e8df73 100644
--- a/configure.in
+++ b/configure.in
@@ -90,8 +90,10 @@ CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE $CPPFLAGS"
 # OS-specific tests
 case "${host_os}" in
     *linux*)
-        # Define on Linux to enable all library features
-        CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
+        # Define on Linux to enable all library features. Define if using a gnu compiler
+        if test "x$gnu_compilers" = "xyes"; then
+            CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
+        fi
         AC_DEFINE(ZMQ_HAVE_LINUX, 1, [Have Linux OS])
         AC_CHECK_LIB(uuid, main, , 
             [AC_MSG_ERROR([cannot link with -luuid, install uuid-dev.])])
-- 
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