diff -ur a/Makefile b/Makefile
--- a/Makefile	2019-02-12 07:26:13.000000000 -0700
+++ b/Makefile	2019-02-25 18:33:26.360039018 -0700
@@ -7,8 +7,8 @@
 
 #
 CC    = gcc
-OFLAGS = -O0 -g
-#OFLAGS  = -O2 -fwhole-program
+#OFLAGS = -O0 -g
+OFLAGS  = -O2
 CFLAGS  = -std=gnu99 -fPIC -Wall -Wno-format-truncation $(OFLAGS)
 LDFLAGS = -g
 
@@ -61,7 +61,7 @@
 LDLIBS=libgif.a -lm
 
 all: libgif.so libgif.a $(UTILS)
-	$(MAKE) -C doc
+#	$(MAKE) -C doc
 
 $(UTILS):: libgif.a