From 2f18e1e9a8fcbf3005cd57a82b02a728b342a0f5 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 14 Feb 2016 04:28:28 -0500
Subject: build system: darwin: define _DARWIN_C_SOURCE by default.

---
 sysinfo/os/darwin.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sysinfo/os/darwin.mk b/sysinfo/os/darwin.mk
index 7145f5a..f16b1f1 100644
--- a/sysinfo/os/darwin.mk
+++ b/sysinfo/os/darwin.mk
@@ -7,4 +7,6 @@ OS_IMPLIB_EXT	= .invalid
 OS_LIBDEF_EXT	= .invalid
 OS_ARCHIVE_EXT	= .a
 
+CFLAGS_OS	+= -D_DARWIN_C_SOURCE
+
 .PHONY:		$(SHARED_IMPLIB)
-- 
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