Source
--- Makefile.orig 2017-07-07 11:37:54.000000000 -0600
+++ Makefile 2017-07-07 12:57:30.000000000 -0600
# (at your option) any later version.
#
-CC = gcc
+CC = @@COMPILER@@
CFLAGS = -W -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual \
-Wcast-align -Wwrite-strings -Wmissing-prototypes -Winline -Wundef