Description: allow to override $CXX
Author: Sascha Steinbiss <satta@debian.org>
--- a/src/Makefile
+++ b/src/Makefile
@@ -30,8 +30,8 @@
 LIBS=-lpthread
 LINKFLAGS=$(COMMON) $(LDFLAGS)
 
-CXX=g++
-CXXFLAGS=$(COMPILEOPT) $(COMMON)
+CXX?=g++
+CXXFLAGS+=$(COMPILEOPT) $(COMMON)
 
 PROG=swarm