$OpenBSD: patch-CMakeLists_txt,v 1.3 2011/08/28 16:59:22 naddy Exp $

Don't clobber CFLAGS.
-Wextra is not available with gcc < 4.

--- CMakeLists.txt.orig	Thu Jul 14 03:26:08 2011
+++ CMakeLists.txt	Sun Aug 28 18:43:17 2011
@@ -53,12 +53,10 @@ IF (MSVC)
 	SET(CMAKE_C_FLAGS_DEBUG "/Od /DEBUG /MTd")
 	SET(CMAKE_C_FLAGS_RELEASE "/MT /O2")
 ELSE ()
-	SET(CMAKE_C_FLAGS "-Wall -Wextra")
+	SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
 	IF (NOT MINGW) # MinGW always does PIC and complains if we tell it to
 		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
 	ENDIF ()
-	SET(CMAKE_C_FLAGS_DEBUG "-g -O0")
-	SET(CMAKE_C_FLAGS_RELEASE "-O2")
 ENDIF()
 
 # Build Debug by default
