Merge pull request #16 from fjtrujy/master

Add optimisation flags

Author: fjtrujy

Makefile

@@ -1,10 +1,17 @@
+  DEBUG = 0
 
   ifndef CC
    CC = gcc
   endif
 
   CFLAGS = -std=gnu99 -Wall -pedantic -I/usr/include -I/usr/local/include
 
+  ifeq ($(DEBUG), 1)
+   CFLAGS += -O0 -g
+  else
+   CFLAGS += -O2
+  endif
+
   ifneq "MINGW" "$(findstring MINGW,$(MSYSTEM))"
    LIBS = -lpthread
   else