 Makefile |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index f2107ce..835232b 100644
--- a/Makefile
+++ b/Makefile
@@ -25,12 +25,12 @@ TREES_FLAG = -DSERIAL_NJTREE
 PAIRALIGN_FLAG = -DDYNAMIC_SCHEDULING_PAIRALIGN 
 #PAIRALIGN_FLAG = -DSTATIC_SCHEDULING_PAIRALIGN
 
-CFLAGS  = -c -O3
+CFLAGS  += -c
 #CFLAGS  = -c -O3 -funroll-all-loops
-LFLAGS	= -lm 
+LIBS	= -lm 
 
 clustalw-mpi: $(OBJECTS) 
-	$(CC) -o $@ $(OBJECTS) $(LFLAGS)
+	$(CC) $(LDFLAGS) -o $@ $(OBJECTS) $(LIBS)
 
 interface.o : interface.c $(HEADERS) param.h
 	$(CC) $(CFLAGS) $*.c