Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -230,9 +230,6 @@ else()
             set(OPT_C_FLAG "-Os")
             set(OPT_CXX_FLAG "-Os")
         endif ()
-    else()
-        set(OPT_C_FLAG "-O0")
-        set(OPT_CXX_FLAG "-O0")
     endif(OPTIMISE)
 
     # set compiler flags - more are tested and added later
@@ -478,7 +475,7 @@ else()
 endif()
 
 add_subdirectory(util)
-add_subdirectory(doc/dev-reference)
+#add_subdirectory(doc/dev-reference)
 
 if (NOT WIN32)
 # PCRE check, we have a fixed requirement for PCRE to use Chimera