--- a/Makefile
+++ b/Makefile
-@@ -1,7 +1,7 @@
+@@ -1,11 +1,11 @@
-CC=gcc
--CFLAGS=-O3 -Wall -Wextra -Wno-unknown-pragmas
+-CFLAGS=-O3 -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual
-LDFLAGS=
--LIBS=-lm -lpthread -lz
+CC?=gcc
-+CFLAGS?=-O3 -Wall -Wextra -Wno-unknown-pragmas
++CFLAGS?=-O3 -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual
+LDFLAGS?=
+ # CFLAGS=-O3 -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual -g -fsanitize=thread
+ # LDFLAGS=-g -fsanitize=thread
+ # CFLAGS=-O3 -Wall -Wextra -Wno-unknown-pragmas -Wcast-qual -g -fsanitize=address
+ # LDFLAGS=-g -fsanitize=address
+-LIBS=-lm -lpthread -lz
+LIBS?=-lm -lpthread -lz
ZOPFLI=zopfli/src/zopfli/
- ZOP=deflate.o blocksplitter.o tree.o lz77.o cache.o hash.o util.o squeeze.o katajainen.o
+ ZOP=deflate.o blocksplitter.o tree.o lz77.o cache.o hash.o util.o squeeze.o katajainen.o symbols.o