From 39408b710a4152a5a1974e3ee650db871277ee9f Mon Sep 17 00:00:00 2001
From: Martin Baulig <martin.baulig@xamarin.com>
Date: Wed, 20 Jul 2016 15:21:54 -0400
Subject: Revert "Don't define XOPEN_SOURCE."

This reverts commit f38aad388ab7aae582a77f9bc681ff6f7f1be24f.
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f3c73412..388b7505 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,7 +92,7 @@ endif()
 
 if((CMAKE_COMPILER_IS_GNUCXX AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.8.99") OR
    CMAKE_CXX_COMPILER_ID MATCHES "Clang")
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11")
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -D_XOPEN_SOURCE=700")
 endif()
 
 if(FUZZ)
-- 
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