src/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index 36ef59b..e45a0f2 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -13,14 +13,14 @@ MANDIR  = $(HOME)/man
 #SRCDIR = .
 
 ## your compiler
-CC = gcc
+CC ?= gcc
 #CC = cc    # for SGI Origin200 compiler#
 
 ## any special compiler flags you want
 #  -pedantic clashes with -DMEMDEBUG??
 #
 #CFLAGS = -g -Wall -pedantic
-CFLAGS = -O
+CFLAGS ?= -O
 #CFLAGS = -g
 #CFLAGS = -TARG:exc_max -64 -Ofast=ip27   #specific SGI Origin200  compiler#