+diff -ur a/Makefile b/Makefile
--- a/Makefile 2019-02-12 07:26:13.000000000 -0700
-+++ b/Makefile 2019-02-24 17:51:20.557618626 -0700
++++ b/Makefile 2019-02-25 18:33:26.360039018 -0700
@@ -7,8 +7,8 @@
#
-OFLAGS = -O0 -g
-#OFLAGS = -O2 -fwhole-program
+#OFLAGS = -O0 -g
-+OFLAGS = -O2 -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
+