Only omit frame pointers on 32bit release builds

Frame pointers are very useful for debugging and testing, and only
really make a difference to performance on IA32.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 536be2601876dd9e26d0e0cba25e944388b8cd75..92caf4ce80ea18d2a48e3f06366f2403a7ce593d 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -207,7 +207,7 @@ else()
         set(EXTRA_CXX_FLAGS "-O0 ${EXTRA_CXX_FLAGS}")
     endif(OPTIMISE)
 
-    if(NOT RELEASE_BUILD)
+    if (NOT(ARCH_IA32 AND RELEASE_BUILD))
         set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -fno-omit-frame-pointer")
         set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fno-omit-frame-pointer")
     endif()