--- Makefile.orig	2014-02-08 11:31:49 UTC
+++ Makefile
@@ -9,8 +9,6 @@ endif
 
 
 # set standard values, if not set by default
-CXX ?= g++
-CXXFLAGS += -O3 -Wall
 
 
 # project-specific flags
@@ -26,8 +24,6 @@ ifneq (, $(findstring mingw, $(SYS)))
 	endif
 else
 	# comment to disable OpenMP
-	CXXFLAGS += -fopenmp
-	LDFLAGS += -fopenmp
 endif