diff --git a/Makefile b/Makefile
index 9f4c726..e9302c3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,19 +1,20 @@
-
+OBNAME=OpenBLAS-0.2.15
+LIBSUFFIX=lxsd
 
 forme:
-		( rm -rf OpenBLAS-0.2.15 && tar xzf OpenBLAS-0.2.15.tar.gz )
-		( cd OpenBLAS-0.2.15 && make USE_THREAD=1 USE_OPENMP=1 LIBNAMESUFFIX=lxsd )
+		( rm -rf $(OBNAME) && tar xzf $(OBNAME).tar.gz )
+		( cd $(OBNAME) && make USE_THREAD=1 USE_OPENMP=1 LIBNAMESUFFIX=$(LIBSUFFIX) )
 
 formeserial:
-		( rm -rf OpenBLAS-0.2.15 && tar xzf OpenBLAS-0.2.15.tar.gz )
-		( cd OpenBLAS-0.2.15 && make USE_THREAD=0 USE_OPENMP=0 LIBNAMESUFFIX=lxsd )
+		( rm -rf $(OBNAME) && tar xzf $(OBNAME).tar.gz )
+		( cd $(OBNAME) && make USE_THREAD=0 USE_OPENMP=0 LIBNAMESUFFIX=$(LIBSUFFIX) )
 		
 forall:
-		( rm -rf OpenBLAS-0.2.15 && tar xzf OpenBLAS-0.2.15.tar.gz )
-		( cd OpenBLAS-0.2.15 && make DYNAMIC_ARCH=1 USE_THREAD=1 USE_OPENMP=1 LIBNAMESUFFIX=lxsd NUM_THREADS=64 )
+		( rm -rf $(OBNAME) && tar xzf $(OBNAME).tar.gz )
+		( cd $(OBNAME) && make DYNAMIC_ARCH=1 USE_THREAD=1 USE_OPENMP=1 LIBNAMESUFFIX=$(LIBSUFFIX) NUM_THREADS=64 )
 
 clean:
-		( rm -rf OpenBLAS-0.2.15 )
+		( rm -rf $(OBNAME) )
 
 install:
-		( cd OpenBLAS-0.2.15 && make PREFIX=$(BTREE) LIBNAMESUFFIX=lxsd install)
+		( cd $(OBNAME) && make PREFIX=$(BTREE) LIBNAMESUFFIX=$(LIBSUFFIX) install)