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--- makefile.orig 2015-09-28 17:40:46 UTC
+++ makefile
@@ -1,5 +1,5 @@
LIBNAME = lpeg
-LUADIR = ../lua/
+LUADIR ?= ../lua/
COPT = -O2
# COPT = -DLPEG_DEBUG -g
@@ -22,8 +22,8 @@ CWARNS = -Wall -Wextra -pedantic \
# -Wunreachable-code \
-CFLAGS = $(CWARNS) $(COPT) -std=c99 -I$(LUADIR) -fPIC
-CC = gcc
+CFLAGS += $(CWARNS) $(COPT) -std=c99 -I$(LUADIR) -fPIC
+CC ?= gcc
FILES = lpvm.o lpcap.o lptree.o lpcode.o lpprint.o
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