--- libpng-1.2.9/scripts/makefile.linux.libdirfix	2003-02-24 19:32:51.000000000 -0500
+++ libpng-1.2.9/scripts/makefile.linux	2003-02-24 19:33:26.000000000 -0500
@@ -60,7 +60,7 @@
 	$(RANLIB) $@
 
 libpng.pc:
-	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cat scripts/libpng.pc.in | sed -e "s,@prefix@,$(prefix),;s,@exec_prefix@,$(exec_prefix),;s,@libdir@,$(LIBPATH),;s,@includedir@,$(INCPATH),;s,@PNGLIB_VERSION@,$(PNGMIN),;s,@PNGLIB_MAJOR@,12," > libpng.pc
 
 $(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
--- libpng-1.2.9/scripts/makefile.gcmmx.libdirfix	2003-02-24 19:32:51.000000000 -0500
+++ libpng-1.2.9/scripts/makefile.gcmmx	2003-02-24 19:33:26.000000000 -0500
@@ -60,7 +60,7 @@
 	$(RANLIB) $@
 
 libpng.pc:
-	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cat scripts/libpng.pc.in | sed -e "s,@prefix@,$(prefix),;s,@exec_prefix@,$(exec_prefix),;s,@libdir@,$(LIBPATH),;s,@includedir@,$(INCPATH),;s,@PNGLIB_VERSION@,$(PNGMIN),;s,@PNGLIB_MAJOR@,12," > libpng.pc
 
 $(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so