From 5474e2625fd082fec23bb42c622969b24360299c Mon Sep 17 00:00:00 2001
From: Nils Kneuper <crazy-ivanovic@gmx.net>
Date: Wed, 24 Dec 2008 10:48:57 +0000
Subject: [PATCH] make the new memory allocator...

...(or whatever else caused the game to freeze at showing the
mainscreen) work with cmake, too

in all other build systems this define was set due to sdl-config,
might require an explicit addition, just to be sure
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index acb76ba5cc6..7d530ce29f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,6 +107,9 @@ if(X11_FOUND)
   add_definitions(-D_X11)
 endif(X11_FOUND)
 
+# needed to have the new memory allocator work!!!
+add_definitions(-D_GNU_SOURCE=1)
+
 add_definitions(-DHAS_RELATIVE_LOCALEDIR)
 add_definitions(-DLOCALEDIR='\"${LOCALEDIR}\"')
 set(LOCALE_INSTALL ${DATADIR}/${LOCALEDIR})