diff --git a/scripts/libpng-config-body.in b/scripts/libpng-config-body.in
old mode 100644
new mode 100755
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
old mode 100644
new mode 100755
index 5196c43..ebbfe7f
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -8,7 +8,7 @@
 
 # Modeled after libxml-config.
 
-version=1.2.3rc6
+version=1.2.3
 prefix=""
 cppflags=""
 cflags=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index 4024c6e..81e3710 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -6,6 +6,6 @@
 
 Name: libpng12
 Description: Loads and saves PNG files
-Version: 1.2.3rc6
+Version: 1.2.3
 Libs: -L${libdir} -lpng12 -lz -lm
 Cflags: -I${includedir}/libpng12
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index 25db689..58efd83 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -33,7 +33,7 @@
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include
@@ -51,6 +51,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -110,68 +115,63 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm $(DI)/libpng
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
 	ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -f -s $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng12.pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/libpng12.pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/libpng12.pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -f -s libpng12.pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig
+	-@/bin/rm -f $(DL)/pkgconfig/libpng12.pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/libpng12.pc
+	chmod 644 $(DL)/pkgconfig/libpng12.pc
+	(cd $(DL)/pkgconfig; ln -f -s libpng12.pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng12-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/libpng12-config
-	chmod 755 $(DESTDIR)$(BINPATH)/libpng12-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf libpng12-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/libpng12-config
+	cp libpng-config $(DB)/libpng12-config
+	chmod 755 $(DB)/libpng12-config
+	(cd $(DB); ln -sf libpng12-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index 323f547..d6c89cd 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -33,7 +33,7 @@
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 INCPATH=$(prefix)/include
@@ -51,6 +51,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -110,68 +115,63 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm $(DI)/libpng
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
 	ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -f -s $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index 8578515..f5a75a5 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -16,10 +16,8 @@
 RANLIB = ranlib
 RM = rm -f
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc4
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 prefix=/usr/local
@@ -36,6 +34,9 @@
 # you execute make install.
 DESTDIR=
 
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+
 CDEBUG = -g -DPNG_DEBUG=5
 LDDEBUG =
 CRELEASE = -O2
@@ -67,17 +68,16 @@
 	$(LD) -o $@ pngtest$(O) $(LDFLAGS)
 
 install: libpng.a
-	-@if [ ! -d $(DESTDIR)$(INCPATH)  ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/libpng  ]; then mkdir \
-	$(DESTDIR)$(INCPATH)/libpng; fi
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@rm $(DESTDIR)$(INCPATH)/png.h
-	-@rm $(DESTDIR)$(INCPATH)/pngconf.h
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/libpng
-	chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h \
-	$(DESTDIR)$(INCPATH)/libpng/pngconf.h
-	(cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
-	cp libpng.a $(DESTDIR)$(LIBPATH)
+	-@if [ ! -d $(DI)  ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/libpng  ]; then mkdir $(DI)/libpng; fi
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@rm $(DI)/png.h
+	-@rm $(DI)/pngconf.h
+	cp png.h pngconf.h $(DI)/libpng
+	chmod 644 $(DI)/libpng/png.h \
+	$(DI)/libpng/pngconf.h
+	(cd $(DI); ln -f -s libpng/* .)
+	cp libpng.a $(DL)
 
 clean:
 	/bin/rm -f *.o libpng.a pngtest pngout.png
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index 5f7e4bc..90793c4 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -11,10 +11,8 @@
 ZLIBLIB=/usr/local/lib
 ZLIBINC=/usr/local/include
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 ALIGN=
@@ -52,6 +50,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 LIBNAME=libpng12
 
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
@@ -100,67 +103,62 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index 6e78b92..d406afb 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -1,15 +1,16 @@
 # makefile for cygwin on x86
-#   builds both dll (with import lib) and static lib versions
+#   Builds both dll (with import lib) and static lib versions
 #   of the library, and builds two copies of pngtest: one
 #   statically linked and one dynamically linked.
 #
+# Copyright (C) 2002 Soren Anderson, Charles Wilson, and Glenn Randers-Pehrson
 #   based on makefile for linux-elf w/mmx by:
 # Copyright (C) 1998-2000 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
 # For conditions of distribution and use, see copyright notice in png.h
 
-# this makefile intends to support building outside the src directory
-# if desired. when invoking it, specify an argument to SRCDIR on the
+# This makefile intends to support building outside the src directory
+# if desired. When invoking it, specify an argument to SRCDIR on the
 # command line that points to the top of the directory where your source
 # is located.
 
@@ -19,7 +20,7 @@
 SRCDIR = .
 endif
 
-# override DESTDIR= on the make install command line to easily support
+# Override DESTDIR= on the make install command line to easily support
 # installing into a temporary location.  Example:
 #
 #    make install DESTDIR=/tmp/build/libpng
@@ -30,12 +31,9 @@
 
 DESTDIR=
 
-# cosmetic: shortened strings:
-S =$(SRCDIR)
-D =$(DESTDIR)
-
 # To enable assembler optimizations, add '-DPNG_USE_PNGGCCRD' to
-# $CFLAGS, and include pnggccrd.o in $OBJS, below.
+# $CFLAGS, and include pnggccrd.o in $OBJS, below, and in the dependency
+# list at the bottom of this makefile.
 
 CC=gcc
 ifdef MINGW
@@ -43,7 +41,7 @@
 MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
 endif
 
-# where "make install" puts libpng.a, libpng.so*, png.h, and pngconf.h
+# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
 ifndef prefix
 prefix=/usr
 $(warning You haven't specified a 'prefix=' location. Defaulting to "/usr")
@@ -81,7 +79,7 @@
 LIBNAME = libpng12
 PNGMAJ = 0
 PNGDLL = 12
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 SHAREDLIB=cygpng$(PNGDLL).dll
@@ -107,6 +105,13 @@
 MAN3PATH=$(MANPATH)/man3
 MAN5PATH=$(MANPATH)/man5
 
+# cosmetic: shortened strings:
+S =$(SRCDIR)
+D =$(DESTDIR)
+DB =$(D)/$(BINPATH)
+DI =$(D)/$(INCPATH)
+DL =$(D)/$(LIBPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o # pnggccrd.o
@@ -123,7 +128,7 @@
 
 all: all-static all-shared libpng.pc libpng-config
 
-# make this to verify that "make [...] install" will do what you want.
+# Make this to verify that "make [...] install" will do what you want.
 buildsetup-tell:
 	@echo  VPATH is set to: \"$(VPATH)\"
 	@echo  prefix is set to: \"$(prefix)\"
@@ -134,9 +139,10 @@
 libpng.pc: scripts/libpng.pc.in
 	@echo -e Making pkg-config file for this libpng installation..'\n' \
            using PREFIX=\"$(prefix)\"'\n'
-	cat $(S)/scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cat $(S)/scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! | \
+	   sed -e s/-lm// > libpng.pc
 
-libpng-config: scripts/libpng-config.in
+libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in
 	@echo -e Making $(LIBNAME) libpng-config file for this libpng \
  installation..'\n' using PREFIX=\"$(prefix)\"'\n'
 	( cat $(S)/scripts/libpng-config-head.in; \
@@ -155,15 +161,15 @@
 
 pnggccrd.o: pnggccrd.c png.h pngconf.h
 	@echo ""
-	@echo '    You can ignore the single "control reaches end of non-void function"'
-	@echo '    warning and multiple "<variable> defined but not used" warnings:'
+	@echo '    You can ignore the "control reaches end of non-void function"'
+	@echo '    warning and "<variable> defined but not used" warnings:'
 	@echo ""
 	$(CC) -c $(CFLAGS) -o $@ $<
 
 pnggccrd.pic.o:	pnggccrd.c png.h pngconf.h
 	@echo ""
-	@echo '    You can ignore the single "control reaches end of non-void function"'
-	@echo '    warning and multiple "<variable> defined but not used" warnings:'
+	@echo '    You can ignore the "control reaches end of non-void function"'
+	@echo '    warning and "<variable> defined but not used" warnings:'
 	@echo ""
 	$(CC) -c $(CFLAGS) -DPNG_BUILD_DLL -o $@ $<
 
@@ -199,62 +205,56 @@
 	./pngtest $(S)/pngtest.png
 
 install-static: $(STATLIB) install-headers install-man
-	-@if [ ! -d $(D)$(LIBPATH) ]; then $(MKDIR) $(D)$(LIBPATH); fi
-	install -m 644 $(STATLIB) $(D)$(LIBPATH)/$(LIBNAME).a
-	-@rm -f $(D)$(LIBPATH)/$(STATLIB)
-	(cd $(D)$(LIBPATH); ln -sf $(LIBNAME).a $(STATLIB))
+	-@if [ ! -d $(DL) ]; then $(MKDIR) $(DL); fi
+	install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a
+	-@rm -f $(DL)/$(STATLIB)
+	(cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))
 
 install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man
-	-@if [ ! -d $(D)$(LIBPATH) ]; then $(MKDIR) $(D)$(LIBPATH); fi
-	-@if [ ! -d $(D)$(BINPATH) ]; then $(MKDIR) $(D)$(BINPATH); fi
-	-@if [ ! -d $(D)$(LIBPATH)/pkgconfig ]; then \
-           $(MKDIR) $(D)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(D)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(D)$(LIBPATH)/pkgconfig/libpng.pc
-	install -m 644 $(IMPLIB) $(D)$(LIBPATH)/$(LIBNAME).dll.a
-	-@rm -f $(D)$(LIBPATH)/$(IMPLIB)
-	(cd $(D)$(LIBPATH); ln -sf $(LIBNAME).dll.a $(IMPLIB))
-	install -s -m 755 $(SHAREDLIB) $(D)$(BINPATH)
-	install -m 644 libpng.pc $(D)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(D)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL) ]; then $(MKDIR) $(DL); fi
+	-@if [ ! -d $(DB) ]; then $(MKDIR) $(DB); fi
+	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR) $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a
+	-@rm -f $(DL)/$(IMPLIB)
+	(cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))
+	install -s -m 755 $(SHAREDLIB) $(DB)
+	install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-headers:
-	-@if [ ! -d $(D)$(INCPATH) ]; then \
-          $(MKDIR) $(D)$(INCPATH); fi
-	-@if [ ! -d $(D)$(INCPATH)/$(LIBNAME) ]; then \
-          $(MKDIR) $(D)$(INCPATH)/$(LIBNAME); fi
-	-@rm -f $(D)$(INCPATH)/png.h
-	-@rm -f $(D)$(INCPATH)/pngconf.h
-	install -m 644 $(S)/png.h $(S)/pngconf.h $(D)$(INCPATH)/$(LIBNAME)
-	-@rm -f $(D)$(INCPATH)/libpng
-	(cd $(D)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+	-@if [ ! -d $(DI) ]; then $(MKDIR) $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR) $(DI)/$(LIBNAME); fi
+	-@rm -f $(DI)/png.h
+	-@rm -f $(DI)/pngconf.h
+	install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)
+	-@rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-man:
-	-@if [ ! -d $(D)$(MAN3PATH) ]; then \
-          $(MKDIR) $(D)$(MAN3PATH); fi
-	-@if [ ! -d $(D)$(MAN5PATH) ]; then \
-          $(MKDIR) $(D)$(MAN5PATH); fi
+	-@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR) $(D)$(MAN3PATH); fi
+	-@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR) $(D)$(MAN5PATH); fi
 	install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)
 	install -m 644 $(S)/png.5 $(D)$(MAN5PATH)
 
 install-config: libpng-config
-	-@if [ ! -d $(D)$(BINPATH) ]; then \
-           mkdir $(D)$(BINPATH); fi
-	-@/bin/rm -f $(D)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(D)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(D)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(D)$(BINPATH)/$(LIBNAME)-config
-	(cd $(D)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
-# run this to verify that a future `configure' run will pick up the settings
+# Run this to verify that a future `configure' run will pick up the settings
 # you want.
 test-config-install: SHELL=/bin/bash
-test-config-install: $(D)$(BINPATH)/libpng-config
+test-config-install: $(DB)/libpng-config
 	@echo -e Testing libpng-config functions...'\n'
 	@ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \
    do \
-    printf "(%d)\t %s = %s\n" $$(($$gytiu + 1)) $$TYRA \
-    "$$($(D)$(BINPATH)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
+    printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \
+    "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
     gytiu=$$(( $$gytiu + 1 )); \
    done
 
@@ -295,5 +295,3 @@
 
 
 
-
-
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index 4e8901e..05388ce 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -17,15 +17,13 @@
 
 CC=cc
 CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz
 
 #RANLIB=echo
 RANLIB=ranlib
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -44,6 +42,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -83,7 +86,7 @@
 
 $(LIBNAME).$(PNGVER).dylib: $(OBJSDLL)
 	$(CC) -dynamiclib \
-	 -install_name $(DESTDIR)$(LIBPATH)/$(LIBNAME).$(PNGMAJ).dylib \
+	 -install_name $(DL)/$(LIBNAME).$(PNGMAJ).dylib \
 	 -current_version $(PNGMIN) -compatibility_version $(PNGMIN) \
 	 -o $(LIBNAME).$(PNGVER).dylib \
 	 $(OBJSDLL) -L$(ZLIBLIB) -lz
@@ -95,67 +98,62 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).dylib libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).$(PNGMAJ)*.dylib
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).dylib
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.dylib
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.3.dylib
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.3.*.dylib
-	cp $(LIBNAME).$(PNGVER).dylib $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).$(PNGVER).dylib
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).$(PNGMAJ)*.dylib
+	-@/bin/rm -f $(DL)/$(LIBNAME).dylib
+	-@/bin/rm -f $(DL)/libpng.dylib
+	-@/bin/rm -f $(DL)/libpng.3.dylib
+	-@/bin/rm -f $(DL)/libpng.3.*.dylib
+	cp $(LIBNAME).$(PNGVER).dylib $(DL)
+	chmod 755 $(DL)/$(LIBNAME).$(PNGVER).dylib
+	(cd $(DL); \
 	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.dylib; \
 	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.3.dylib; \
 	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.3.$(PNGMIN).dylib; \
 	ln -sf $(LIBNAME).$(PNGVER).dylib $(LIBNAME).$(PNGMAJ).dylib; \
 	ln -sf $(LIBNAME).$(PNGMAJ).dylib $(LIBNAME).dylib)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index 1dbf3b8..5c6a9d9 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -20,16 +20,19 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 # Where the zlib library and include files are located
 #ZLIBLIB=/usr/local/lib
 #ZLIBINC=/usr/local/include
 ZLIBLIB=../zlib
 ZLIBINC=../zlib
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -79,67 +82,62 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.freebsd b/scripts/makefile.freebsd
index 717e755..d7d5fae 100644
--- a/scripts/makefile.freebsd
+++ b/scripts/makefile.freebsd
@@ -1,107 +1,48 @@
 # makefile for libpng under FreeBSD
 # Copyright (C) 2002 Glenn Randers-Pehrson and Andrey A. Chernov
-# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
 # For conditions of distribution and use, see copyright notice in png.h
 
-.include <bsd.own.mk>
+PREFIX?=        /usr/local
+SHLIB_VER?=     5
+
+LIB=		png
+SHLIB_MAJOR=	${SHLIB_VER}
+SHLIB_MINOR=	0
+NOPROFILE=	YES
+NOOBJ=          YES
 
 # where make install puts libpng.a and png.h
-prefix=/usr/local
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-MANPATH=$(prefix)/man
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location.  Example:
-#
-#    make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
-# you execute make install.
-DESTDIR=
-
-PNGMAJ= 5
-.if (${OBJFORMAT} == "elf")
-PNGVER= $(PNGMAJ)
-.else
-PNGMIN= 0
-PNGVER= $(PNGMAJ).$(PNGMIN)
-.endif
+DESTDIR=	${PREFIX}
+LIBDIR=		/lib
+INCS=		png.h pngconf.h
+INCSDIR=	/include/libpng
+INCDIR=		${INCSDIR}		# for 4.x bsd.lib.mk
+MAN=		libpng.3 libpngpf.3 png.5
+MANDIR=		/man/man
+SYMLINKS=       libpng/png.h ${INCSDIR}/../png.h \
+		libpng/pngconf.h ${INCSDIR}/../pngconf.h
+LDADD+=         -lm -lz
+DPADD+=         ${LIBM} ${LIBZ}
 
 CFLAGS+= -I. -DPNG_USE_PNGGCCRD
 .if (${MACHINE_ARCH} != "i386")
 CFLAGS+= -DPNG_NO_ASSEMBLER_CODE
 .endif
-LDFLAGS+=-L. -lpng -lz -lm -static
 
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
-	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
-	pngwtran.o pngmem.o pngerror.o pngpread.o pnggccrd.o
-
-.SUFFIXES: .c .so .o
-
-.c.so:
-	${CC} ${CFLAGS} -fPIC -DPIC -o $@ -c $<
-
-all: libpng.a libpng.so.${PNGVER} pngtest
-
-libpng.a: $(OBJS)
-	ar rc $@  $(OBJS)
-	$(RANLIB) $@
-
-libpng.so.${PNGVER}: $(OBJS:S/o$/so/g)
-.if (${OBJFORMAT} == "elf")
-	${CC} -shared -Wl,-x,-soname,$@ -o $@ $(OBJS:S/o$/so/g) -lz -lm
-.else
-	${CC} -shared -Wl,-x -o $@ $(OBJS:S/o$/so/g) -lz -lm
-.endif
+SRCS=	png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
+	pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
+	pngwtran.c pngmem.c pngerror.c pngpread.c pnggccrd.c
 
 pngtest: pngtest.o libpng.a
-	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+	${CC} ${CFLAGS} -L. -static -o pngtest pngtest.o -lpng -lz -lm
+
+CLEANFILES= pngtest pngtest.o pngout.png
 
 test: pngtest
 	./pngtest
 
-install: libpng.a libpng.so.${PNGVER}
-	-@mkdir $(DESTDIR)$(INCPATH)/libpng
-	${INSTALL} -o ${INCOWN} -g ${INCGRP} -m ${INCMODE} \
-		png.h pngconf.h $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); rm -f png.h pngconf.h; ln -sf libpng/*.h .)
-	${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
-		libpng.a libpng.so.${PNGVER} $(DESTDIR)$(LIBPATH)
-	$(RANLIB) $(DESTDIR)$(LIBPATH)/libpng.a
-	ln -sf libpng.so.${PNGVER} $(DESTDIR)$(LIBPATH)/libpng.so
-	/sbin/ldconfig -R
-	${INSTALL} -o ${MANOWN} -g ${MANGRP} -m ${MANMODE} \
-		libpng.3 libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	${INSTALL} -o ${MANOWN} -g ${MANGRP} -m ${MANMODE} \
-		png.5 $(DESTDIR)$(MANPATH)/man5
-
-clean:
-	rm -f *.o *.so libpng.a libpng.so.${PNGVER} pngtest pngout.png
-
 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
 	chmod a-w *.[ch35] $(DOCS) scripts/*
 
-# DO NOT DELETE THIS LINE -- make depend depends on it.
-
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtest.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
-pnggccrd.o: png.h pngconf.h
-
+.include <bsd.lib.mk>
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index a7cac2c..abde79c 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -15,7 +15,7 @@
 
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CC=gcc
@@ -75,6 +75,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o pnggccrd.o
@@ -139,67 +144,62 @@
 	./pngtest-static
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index 5e8bc27..6f78470 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -26,16 +26,14 @@
 
 CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
 	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
-#LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng -lz -lm
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
+#LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
 
 RANLIB=ranlib
 #RANLIB=echo
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -54,6 +52,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -102,68 +105,63 @@
 
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then \
-	mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).sl.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).sl.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).sl
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).sl.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).sl.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).sl.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).sl
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).sl.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).sl.$(PNGVER)
+	(cd $(DL); \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl.3; \
 	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ); \
 	ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then mkdir \
-	$(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir \
+	$(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index 9c9b9cc..4a30710 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -16,10 +16,8 @@
 
 RANLIB=ranlib
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -40,6 +38,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -88,67 +91,62 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).sl.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).sl.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).sl
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.sl
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.sl.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.sl.3.*
-	cp $(LIBNAME).sl.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).sl.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).sl.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).sl
+	-@/bin/rm -f $(DL)/libpng.sl
+	-@/bin/rm -f $(DL)/libpng.sl.3
+	-@/bin/rm -f $(DL)/libpng.sl.3.*
+	cp $(LIBNAME).sl.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).sl.$(PNGVER)
+	(cd $(DL); \
 	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl; \
 	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl.3; \
 	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ); \
 	ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index 8ab6e77..e8637ac 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -5,7 +5,7 @@
 
 LIBNAME = libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CC=gcc
@@ -54,6 +54,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -112,67 +117,63 @@
 	./pngtest-static
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then mkdir \
-	$(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir \
+	$(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.macosx b/scripts/makefile.macosx
index b8c916a..16c3cce 100644
--- a/scripts/makefile.macosx
+++ b/scripts/makefile.macosx
@@ -17,7 +17,7 @@
 CC=cc
 
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CFLAGS=-fno-common -I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
@@ -42,6 +42,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 #RANLIB=echo
 RANLIB=ranlib
 
@@ -81,35 +86,34 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
 	ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -f -s $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
 	-@/bin/rm -f \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).$(PNGMAJ)*.$(SHAREDLIB_POSTFIX)
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).$(SHAREDLIB_POSTFIX)
+	$(DL)/$(LIBNAME).$(PNGMAJ)*.$(SHAREDLIB_POSTFIX)
+	-@/bin/rm -f $(DL)/$(LIBNAME).$(SHAREDLIB_POSTFIX)
 	-@/bin/rm -f libpng.$(SHARED_POSTFIX)
 	-@/bin/rm -f libpng.3.$(SHARED_POSTFIX)
 	-@/bin/rm -f libpng.3.*.$(SHARED_POSTFIX)
-	cp $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
-	(cd $(DESTDIR)$(LIBPATH); \
+	cp $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
+	(cd $(DL); \
 	ln -f -s $(LIBNAME).$(PNGVER).$(SHARED_POSTFIX) \
 	libpng.$(SHARED_POSTFIX); \
 	ln -f -s $(LIBNAME).$(PNGVER).$(SHARED_POSTFIX) \
@@ -120,35 +124,31 @@
 	$(LIBNAME).$(PNGMAJ).$(SHAREDLIB_POSTFIX); \
 	ln -f -s $(LIBNAME).$(PNGMAJ).$(SHAREDLIB_POSTFIX) \
 	$(LIBNAME).$(SHAREDLIB_POSTFIX))
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index cbb0a62..6f47a5b 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -13,7 +13,7 @@
 
 LIB=	png12
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.3rc6
+SHLIB_MINOR=	1.2.3
 SRCS=	pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 		pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 		pngwtran.c pngmem.c pngerror.c pngpread.c
diff --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd
index eea55f8..7056478 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -13,7 +13,7 @@
 
 LIB=	png
 SHLIB_MAJOR=	3
-SHLIB_MINOR=	1.2.3rc6
+SHLIB_MINOR=	1.2.3
 SRCS=	pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
 		pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
 		pngwtran.c pngmem.c pngerror.c pngpread.c
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index fdd830d..0edaee0 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -7,7 +7,7 @@
 MANDIR= ${PREFIX}/man/cat
 
 SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.3rc4
+SHLIB_MINOR=	1.2.3
 
 LIB=	png
 SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index 08d556d..061e3e2 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -18,15 +18,13 @@
 ZLIBINC=../zlib
 
 CFLAGS= -dy -belf -I$(ZLIBINC) -O3
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
 
 #RANLIB=ranlib
 RANLIB=echo
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -45,6 +43,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -93,70 +96,65 @@
 
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/pngconf.h
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	-@/bin/rm -f $(DI)/png.h
+	-@/bin/rm -f $(DI)/pngconf.h
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
 	ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -f -s $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index 985a355..d1c6e7e 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -5,18 +5,6 @@
 
 # where make install puts libpng.a and png.h
 prefix=/usr/local
-INCPATH=$(prefix)/include
-LIBPATH=$(prefix)/lib
-
-# override DESTDIR= on the make install command line to easily support
-# installing into a temporary location.  Example:
-#
-#    make install DESTDIR=/tmp/build/libpng
-#
-# If you're going to install into a temporary location
-# via DESTDIR, that location must already exist before
-# you execute make install.
-DESTDIR=
 
 # Where the zlib library and include files are located
 ZLIBLIB=/usr/local/lib32
@@ -38,7 +26,7 @@
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBS=$(LIBNAME).so.$(PNGVER)
 INCPATH=$(prefix)/include
@@ -56,6 +44,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 RANLIB=echo
 #RANLIB=ranlib
 
@@ -97,68 +90,63 @@
 
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; \
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; \
 	ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index e8b6491..8c0d557 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -31,7 +31,7 @@
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 RANLIB=echo
@@ -54,6 +54,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = pnggccrd.o png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -93,68 +98,63 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; \
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -sf $(LIBNAME) libpng; \
 	ln -sf $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index a0675d7..249b168 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -28,15 +28,13 @@
 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
 #CFLAGS=-I$(ZLIBINC) -Wall -O3 $(WARNMORE) -g -DPNG_DEBUG=5
 CFLAGS=-I$(ZLIBINC) -O3
-LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng -lz -lm
+LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
 
 #RANLIB=ranlib
 RANLIB=echo
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -55,6 +53,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -114,68 +117,64 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng)
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -f -s $(LIBNAME) libpng)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
 	ln -f -s $(LIBNAME)/* .)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then mkdir \
-	$(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir \
+	$(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index 3e66284..6e678b7 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -24,15 +24,13 @@
 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
 CFLAGS=-I$(ZLIBINC) -Wall -O3 \
 	# $(WARNMORE) -g -DPNG_DEBUG=5
-LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng -lz -lm
+LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
 
 #RANLIB=ranlib
 RANLIB=echo
 
-# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
-# have to change it.
 PNGMAJ = 0
-PNGMIN = 1.2.3rc6
+PNGMIN = 1.2.3
 PNGVER = $(PNGMAJ).$(PNGMIN)
 LIBNAME = libpng12
 
@@ -51,6 +49,11 @@
 # you execute make install.
 DESTDIR=
 
+DB=$(DESTDIR)/$(BINPATH)
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+DM=$(DESTDIR)/$(MANPATH)
+
 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
@@ -111,68 +114,63 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
-	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then \
-	mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
-	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
-	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h \
-	$(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
-	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
-	(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
+	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	cp png.h pngconf.h $(DI)/$(LIBNAME)
+	chmod 644 $(DI)/$(LIBNAME)/png.h \
+	$(DI)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+	-@/bin/rm -f $(DI)/libpng
+	(cd $(DI); ln -f -s $(LIBNAME) libpng; \
 	ln -f -s $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
-	(cd $(DESTDIR)$(LIBPATH); ln -f -s $(LIBNAME).a libpng.a)
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	cp libpng.a $(DL)/$(LIBNAME).a
+	chmod 644 $(DL)/$(LIBNAME).a
+	-@/bin/rm -f $(DL)/libpng.a
+	(cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
-	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* \
-	$(DESTDIR)$(LIBPATH)/$(LIBNAME).so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.so.3.*
-	cp $(LIBNAME).so.$(PNGVER) $(DESTDIR)$(LIBPATH)
-	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).so.$(PNGVER)
-	(cd $(DESTDIR)$(LIBPATH); \
+	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* \
+	$(DL)/$(LIBNAME).so
+	-@/bin/rm -f $(DL)/libpng.so
+	-@/bin/rm -f $(DL)/libpng.so.3
+	-@/bin/rm -f $(DL)/libpng.so.3.*
+	cp $(LIBNAME).so.$(PNGVER) $(DL)
+	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+	(cd $(DL); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
 	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so; \
 	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ))
-	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
-	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/pkgconfig/libpng.pc
-	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/$(LIBNAME).pc
-	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+	(cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DESTDIR)$(MANPATH) ]; then mkdir $(DESTDIR)$(MANPATH); fi
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man3 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man3; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpng.3
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man3/libpngpf.3
-	cp libpng.3 $(DESTDIR)$(MANPATH)/man3
-	cp libpngpf.3 $(DESTDIR)$(MANPATH)/man3
-	-@if [ ! -d $(DESTDIR)$(MANPATH)/man5 ]; then \
-	mkdir $(DESTDIR)$(MANPATH)/man5; fi
-	-@/bin/rm -f $(DESTDIR)$(MANPATH)/man5/png.5
-	cp png.5 $(DESTDIR)$(MANPATH)/man5
+	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@/bin/rm -f $(DM)/man3/libpng.3
+	-@/bin/rm -f $(DM)/man3/libpngpf.3
+	cp libpng.3 $(DM)/man3
+	cp libpngpf.3 $(DM)/man3
+	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@/bin/rm -f $(DM)/man5/png.5
+	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DESTDIR)$(BINPATH) ]; then \
-	mkdir $(DESTDIR)$(BINPATH); fi
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/libpng-config
-	-@/bin/rm -f $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	cp libpng-config $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	chmod 755 $(DESTDIR)$(BINPATH)/$(LIBNAME)-config
-	(cd $(DESTDIR)$(BINPATH); ln -sf $(LIBNAME)-config libpng-config)
+	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@/bin/rm -f $(DB)/libpng-config
+	-@/bin/rm -f $(DB)/$(LIBNAME)-config
+	cp libpng-config $(DB)/$(LIBNAME)-config
+	chmod 755 $(DB)/$(LIBNAME)-config
+	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
 install: install-static install-shared install-man install-config
 
diff --git a/scripts/pngdef.pas b/scripts/pngdef.pas
index b60afc7..c39c2f0 100644
--- a/scripts/pngdef.pas
+++ b/scripts/pngdef.pas
@@ -7,7 +7,7 @@
 interface
 
 const
-  PNG_LIBPNG_VER_STRING = '1.2.3rc6';
+  PNG_LIBPNG_VER_STRING = '1.2.3';
   PNG_LIBPNG_VER        =  10203;
 
 type
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index 9f0540e..2ad1e42 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------
 
-; Version 1.2.3rc6
+; Version 1.2.3
 
 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"