$OpenBSD$

Don't hardcode optimization flags.

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -114,8 +114,6 @@ IF (CMAKE_COMPILER_IS_GNUCC OR (CMAKE_C_COMPILER_ID MA
 
     IF (CMAKE_BUILD_TYPE STREQUAL "Debug")
         ADD_DEFINITIONS(-ggdb3 -O0)
-    ELSEIF (CMAKE_BUILD_TYPE STREQUAL "Release")
-        ADD_DEFINITIONS(-O3)
     ENDIF (CMAKE_BUILD_TYPE STREQUAL "Debug")
 ENDIF ()
 
