diff -ru giflib-5.2.2.orig/doc/Makefile giflib-5.2.2/doc/Makefile
--- giflib-5.2.2.orig/doc/Makefile      2024-02-18 19:15:05.000000000 +0100
+++ giflib-5.2.2/doc/Makefile   2024-03-11 15:46:56.522195535 +0100
@@ -15,7 +15,7 @@
 .adoc.html:
        asciidoc $<

-all: allhtml manpages
+all: manpages

 # The distinction between XMLMAN and XMLINTERNAL is because
 # some pages shouldn't be installed as part of a binary package;
diff -ru giflib-5.2.2.orig/Makefile giflib-5.2.2/Makefile
--- giflib-5.2.2.orig/Makefile	2024-02-19 02:01:50.000000000 +0100
+++ giflib-5.2.2/Makefile	2024-03-11 10:30:17.730765319 +0100
@@ -8,7 +8,6 @@
 #
 OFLAGS = -O0 -g
 OFLAGS  = -O2
-CFLAGS  = -std=gnu99 -fPIC -Wall -Wno-format-truncation $(OFLAGS)
 
 SHELL = /bin/sh
 TAR = tar
@@ -87,7 +86,7 @@
 LIBUTILSOMAJOR	= libutil.$(LIBMAJOR).$(SOEXTENSION)
 endif
 
-all: $(LIBGIFSO) libgif.a $(LIBUTILSO) libutil.a $(UTILS)
+all: $(LIBGIFSO) libgif.a libutil.a $(UTILS)
 ifeq ($(UNAME), Darwin)
 else
 	$(MAKE) -C doc