1--- Makefile~	2012-07-07 12:52:15.000000000 +0300
2+++ Makefile	2012-07-07 12:51:14.000000000 +0300
3@@ -7,7 +7,7 @@ CXX = g++
4
5
6 # Optimization flags
7-CXXFLAGS = -O2
8+CXXFLAGS ?= -O2
9
10 #CXXFLAGS += -g -Wall
11 #CXXFLAGS += -ansi
12@@ -43,7 +43,7 @@ CXXFLAGS += -pthread
13
14
15 # Linker flags
16-LDFLAGS =
17+LDFLAGS +=
18
19
20 # External libraries
21