--- a/Makefile	2020-06-09 12:07:21.881455454 -0000
+++ b/Makefile	2020-06-09 12:08:43.984010587 -0000
@@ -2,6 +2,7 @@
 VERSION = '"1.4.0"'
 CFLAGS += -O2 -Wall -DVERSION=$(VERSION)
 PREFIX ?= /usr/local
+LDFLAGS ?= -L/usr/lib
 
 UNAME := $(shell uname)
 ifeq ($(UNAME), Darwin)
@@ -14,7 +15,7 @@
 all: ttygif
 
 ttygif: ttygif.o io.o string_builder.o utils.o
-	$(CC) $(CFLAGS) -o ttygif ttygif.o io.o string_builder.o utils.o
+	$(CC) $(CFLAGS) -o ttygif ttygif.o io.o string_builder.o utils.o $(LDFLAGS)
 
 install: ttygif
 	install -d $(PREFIX)/bin