--- Makefile.orig	2019-06-24 11:08:57.000000000 -0500
+++ Makefile	2023-04-18 18:35:55.000000000 -0500
@@ -8,17 +8,17 @@
 #
 OFLAGS = -O0 -g
 OFLAGS  = -O2
-CFLAGS  = -std=gnu99 -fPIC -Wall -Wno-format-truncation $(OFLAGS)
+CFLAGS  += -std=gnu99 -fPIC -Wall $(OFLAGS)
 
 SHELL = /bin/sh
 TAR = tar
 INSTALL = install
 
-PREFIX = /usr/local
-BINDIR = $(PREFIX)/bin
-INCDIR = $(PREFIX)/include
-LIBDIR = $(PREFIX)/lib
-MANDIR = $(PREFIX)/share/man
+PREFIX = %PREFIX%
+BINDIR = $(PREFIX)/bin/giflib5/bin
+INCDIR = $(PREFIX)/include/giflib5
+LIBDIR = $(PREFIX)/lib/giflib5/lib
+MANDIR = $(PREFIX)/share/giflib5/man
 
 # No user-serviceable parts below this line
 
@@ -37,6 +37,8 @@
 UHEADERS = getarg.h
 UOBJECTS = $(USOURCES:.c=.o)
 
+UNAME:=$(shell uname)
+
 # Some utilities are installed
 INSTALLABLE = \
 	gif2rgb \
--- Makefile.orig	2024-02-18 19:01:50
+++ Makefile	2024-02-24 06:52:44
@@ -97,7 +97,7 @@
 
 $(LIBGIFSO): $(OBJECTS) $(HEADERS)
 ifeq ($(UNAME), Darwin)
-	$(CC) $(CFLAGS) -dynamiclib -current_version $(LIBVER) $(OBJECTS) -o $(LIBGIFSO)
+	$(CC) $(CFLAGS) -dynamiclib -current_version $(LIBVER) -install_name $(LIBDIR)/$(LIBGIFSOMAJOR) $(OBJECTS) -o $(LIBGIFSO)
 else
 	$(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname -Wl,$(LIBGIFSOMAJOR) -o $(LIBGIFSO) $(OBJECTS)
 endif
@@ -107,7 +107,7 @@
 
 $(LIBUTILSO): $(UOBJECTS) $(UHEADERS)
 ifeq ($(UNAME), Darwin)
-	$(CC) $(CFLAGS) -dynamiclib -current_version $(LIBVER) $(OBJECTS) -o $(LIBUTILSO)
+	$(CC) $(CFLAGS) -dynamiclib -current_version $(LIBVER) -install_name $(LIBDIR)/$(LIBUTILSOMAJOR) $(OBJECTS) -o $(LIBUTILSO)
 else
 	$(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname -Wl,$(LIBUTILMAJOR) -o $(LIBUTILSO) $(UOBJECTS)
 endif