[libpng10] Imported from libpng-1.0.13.tar

2025-07-10 18:04:09 +02:00 · 2002-04-15 09:19:46 -05:00
parent e68f5a361b
commit 80b4f15ae3
104 changed files with 3675 additions and 11492 deletions
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -0,0 +1,11 @@
+
+prefix=@PREFIX@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${exec_prefix}/include
+
+Name: libpng10
+Description: Loads and saves PNG files
+Version: 1.0.13
+Libs: -L${libdir} -lpng10
+Cflags: -I${includedir}/libpng10
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -0,0 +1,147 @@
+# makefile for libpng on Solaris 2.x with gcc
+# Contributed by William L. Sebok, based on makefile.linux
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1998 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC=cc
+SUN_CC_FLAGS=-fast -xtarget=ultra
+SUN_LD_FLAGS=-fast -xtarget=ultra
+
+# where make install puts libpng.a, libpng10.so and libpng10/png.h
+prefix=/a
+
+# Where the zlib library and include files are located
+# Changing these to ../zlib poses a security risk.  If you want
+# to have zlib in an adjacent directory, specify the full path instead of "..".
+#ZLIBLIB=../zlib
+#ZLIBINC=../zlib
+
+ZLIBLIB=/usr/lib
+ZLIBINC=/usr/include
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+	-Wmissing-declarations -Wtraditional -Wcast-align \
+	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
+	# $(WARNMORE) -g -DPNG_DEBUG=5
+LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng10 -lz -lm
+
+#RANLIB=ranlib
+RANLIB=echo
+
+LIBNAME=libpng10
+PNGMAJ = 0
+PNGMIN = 1.0.13
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+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
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES:      .c .o .pic.o
+
+.c.pic.o:
+	$(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest
+
+libpng.a: $(OBJS)
+	ar rc $@ $(OBJS)
+	$(RANLIB) $@
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+	@case "`type ld`" in *ucb*) \
+	echo; \
+	echo '## WARNING:'; \
+	echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
+	echo '## and /usr/ucb/ld.  If they do, you need to adjust your PATH'; \
+	echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
+	echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
+	echo '## at all.  If it is, things are likely to break because of'; \
+	echo '## the libucb dependency that is created.'; \
+	echo; \
+	;; \
+	esac
+	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBNAME).so.$(PNGMAJ) \
+	 -o $(LIBNAME).so.$(PNGVER) $(OBJSDLL) -lz
+
+pngtest: pngtest.o $(LIBNAME).so
+	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+	./pngtest
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm $(INCPATH)/libpng
+	ln -f -s $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -f -s $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+clean:
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest pngout.png
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+	chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -0,0 +1,147 @@
+# makefile for libpng on Solaris 2.x with gcc
+# Contributed by William L. Sebok, based on makefile.linux
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1998 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC=cc
+SUN_CC_FLAGS=-fast -xtarget=ultra -xarch=v9
+SUN_LD_FLAGS=-fast -xtarget=ultra -xarch=v9
+
+# where make install puts libpng.a, libpng10.so and libpng10/png.h
+prefix=/a
+
+# Where the zlib library and include files are located
+# Changing these to ../zlib poses a security risk.  If you want
+# to have zlib in an adjacent directory, specify the full path instead of "..".
+#ZLIBLIB=../zlib
+#ZLIBINC=../zlib
+
+ZLIBLIB=/usr/lib
+ZLIBINC=/usr/include
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+	-Wmissing-declarations -Wtraditional -Wcast-align \
+	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
+	# $(WARNMORE) -g -DPNG_DEBUG=5
+LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng10 -lz -lm
+
+#RANLIB=ranlib
+RANLIB=echo
+
+LIBNAME=libpng10
+PNGMAJ = 0
+PNGMIN = 1.0.13
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+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
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES:      .c .o .pic.o
+
+.c.pic.o:
+	$(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest
+
+libpng.a: $(OBJS)
+	ar rc $@ $(OBJS)
+	$(RANLIB) $@
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+	@case "`type ld`" in *ucb*) \
+	echo; \
+	echo '## WARNING:'; \
+	echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
+	echo '## and /usr/ucb/ld.  If they do, you need to adjust your PATH'; \
+	echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
+	echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
+	echo '## at all.  If it is, things are likely to break because of'; \
+	echo '## the libucb dependency that is created.'; \
+	echo; \
+	;; \
+	esac
+	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBNAME).so.$(PNGMAJ) \
+	 -o $(LIBNAME).so.$(PNGVER) $(OBJSDLL) -lz
+
+pngtest: pngtest.o $(LIBNAME).so
+	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+	./pngtest
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm $(INCPATH)/libpng
+	ln -f -s $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -f -s $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+clean:
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* 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.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -15,10 +15,10 @@ AR = ar rcs
 RANLIB = ranlib
 RM = rm -f

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
+# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
 # have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
+PNGMAJ = 0
+PNGMIN = 1.0.13
 PNGVER = $(PNGMAJ).$(PNGMIN)

 prefix=/usr/local
@@ -57,13 +57,16 @@ pngtest$(E): pngtest$(O) libpng$(A)

 install: libpng.a
 	-@if [ ! -d $(INCPATH)  ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/libpng  ]; then mkdir $(INCPATH)/libpng; fi
 	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
-	cp png.h pngconf.h $(INCPATH)
-	chmod 644 $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@rm $(INCPATH)/png.h
+	-@rm $(INCPATH)/pngconf.h
+	cp png.h pngconf.h $(INCPATH)/libpng
+	chmod 644 $(INCPATH)/libpng/png.h $(INCPATH)/libpng/pngconf.h
 	cp libpng.a $(LIBPATH)

 clean:
-	/bin/rm -f *.o libpng.a libpng.so* pngtest pngout.png
+	/bin/rm -f *.o libpng.a pngtest pngout.png

 png$(O): png.h pngconf.h
 pngerror$(O): png.h pngconf.h
--- a/scripts/makefile.atari
+++ b/scripts/makefile.atari
@@ -26,8 +26,11 @@ pngtest.ttp: pngtest.o $(LBR)

 install: libpng.a
 	-@mkdir $(prefix)/include
+	-@mkdir $(prefix)/include/libpng
 	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
+	-@rm -f $(prefix)/include/png.h
+	-@rm -f $(prefix)/include/pngconf.h
+	cp png.h $(prefix)/include/libpng
+	cp pngconf.h $(prefix)/include/libpng
+	chmod 644 $(prefix)/include/libpng/png.h
+	chmod 644 $(prefix)/include/libpng/pngconf.h
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -1,5 +1,6 @@
 # makefile for libpng on BeOS x86 ELF with gcc
 # modified from makefile.linux by Sander Stoks
+# Copyright (C) 2002 Glenn Randers-Pehrson
 # Copyright (C) 1999 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
 # For conditions of distribution and use, see copyright notice in png.h
@@ -10,10 +11,10 @@ CC=gcc
 ZLIBLIB=/usr/local/lib
 ZLIBINC=/usr/local/include

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
+# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
 # have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
+PNGMAJ = 0
+PNGMIN = 1.0.13
 PNGVER = $(PNGMAJ).$(PNGMIN)

 ALIGN=
@@ -29,15 +30,16 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
 CFLAGS=-I$(ZLIBINC) -Wall -O1 -funroll-loops \
 	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
 # LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng -lz -lm
-LDFLAGS=-L. -Wl,-soname=libpng.so.$(PNGMAJ) -L$(ZLIBLIB) -lz -lm
+LDFLAGS=-L. -Wl,-soname=$(LIBNAME).so.$(PNGMAJ) -L$(ZLIBLIB) -lz -lm

 RANLIB=ranlib
 #RANLIB=echo

-# where make install puts libpng.a, libpng.so*, and png.h
+# where make install puts libpng.a, libpng10.so*, and png.h
 prefix=/usr/local
 INCPATH=$(prefix)/include
 LIBPATH=$(prefix)/lib
+LIBNAME=libpng10

 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -47,42 +49,70 @@ OBJSDLL = $(OBJS)

 .SUFFIXES:      .c .o

-all: libpng.a libpng.so pngtest
+all: libpng.a $(LIBNAME).so pngtest

 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
 	$(RANLIB) $@

-libpng.so: libpng.so.$(PNGMAJ)
-	ln -sf libpng.so.$(PNGMAJ) libpng.so
-	cp libpng.so* /boot/home/config/lib
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+	cp $(LIBNAME).so* /boot/home/config/lib

-libpng.so.$(PNGMAJ): libpng.so.$(PNGVER)
-	ln -sf libpng.so.$(PNGVER) libpng.so.$(PNGMAJ)
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)

-libpng.so.$(PNGVER): $(OBJSDLL)
-	$(CC) -L$(ZLIBLIB) -lz -nostart -Wl,-soname,libpng.so.$(PNGMAJ) -o
-libpng.so.$(PNGVER) \
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+	$(CC) -L$(ZLIBLIB) -lz -nostart -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) -o
+$(LIBNAME).so.$(PNGVER) \
 	 $(OBJSDLL)

-pngtest: pngtest.o libpng.so
-	$(CC) -L$(ZLIBLIB) -lz -lpng -o pngtest pngtest.o
+pngtest: pngtest.o $(LIBNAME).so
+	$(CC) -L$(ZLIBLIB) -lz -lpng10 -o pngtest pngtest.o

 test: pngtest
 	./pngtest

-install: libpng.a libpng.so.$(PNGVER)
-	-@mkdir $(INCPATH) $(LIBPATH)
-	cp png.h pngconf.h $(INCPATH)
-	chmod 644 $(INCPATH)/png.h $(INCPATH)/pngconf.h
-	cp libpng.a libpng.so.$(PNGVER) $(LIBPATH)
-	chmod 755 $(LIBPATH)/libpng.so.$(PNGVER)
-	-@/bin/rm -f $(LIBPATH)/libpng.so.$(PNGMAJ) $(LIBPATH)/libpng.so
-	(cd $(LIBPATH); ln -sf libpng.so.$(PNGVER) libpng.so.$(PNGMAJ); \
-	 ln -sf libpng.so.$(PNGMAJ) libpng.so)
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -sf $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -sf $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
-	/bin/rm -f *.o libpng.a libpng.so* pngtest pngout.png
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+	pngtest pngout.png

 # DO NOT DELETE THIS LINE -- make depend depends on it.

--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -12,6 +12,10 @@
 # $CFLAGS, and include pnggccrd.o in $OBJS, below.

 CC=gcc
+ifdef MINGW
+MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw
+MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
+endif

 # where "make install" puts libpng.a, libpng.so*, png.h, and pngconf.h
 prefix=/usr
@@ -32,16 +36,13 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \

 #CFLAGS=-DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 $(ALIGN) -funroll-loops \
 #        -fomit-frame-pointer  # $(WARNMORE) -g -DPNG_DEBUG=5
-CFLAGS=-I$(ZLIBINC) -Wall -O3 $(ALIGN) -funroll-loops \
+CFLAGS=$(MINGW_CCFLAGS) -I$(ZLIBINC) -Wall -O3 $(ALIGN) -funroll-loops \
 	-fomit-frame-pointer

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
-# have to change it.
-PNGMAJ = 2
-#PNGDLL = $2# msvc
-PNGDLL = 2# cygwin 1.0.12beta1
-PNGMIN = 1.0.12beta1
-PNGMIN_BASE = 1.0.12
+PNGMAJ = 0
+#PNGDLL = $10
+PNGMIN = 1.0.13
+PNGMIN_BASE = 1.0.13
 PNGVER = $(PNGMAJ).$(PNGMIN)

 SHAREDLIB=cygpng$(PNGDLL).dll
@@ -51,8 +52,8 @@ SHAREDDEF=libpng.def
 LIBS=$(SHAREDLIB) $(STATLIB)
 EXE=.exe

-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz
-LDSHARED=gcc -shared -Wl,--enable-auto-image-base
+LDFLAGS=-L. $(MINGW_LDFLAGS) -L$(ZLIBLIB) -lpng -lz
+LDSFLAGS=-shared -L.  $(MINGW_LDFLAGS) -Wl,--enable-auto-image-base
 LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(SHAREDDEF)

 RANLIB=ranlib
@@ -112,7 +113,7 @@ $(SHAREDDEF): projects/msvc/png32ms.def
 	sed -e 's/\([^;]*\);/;/' > $@

 $(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)
-	$(LDSHARED) -o $@ $(LDEXTRA) $(OBJSDLL) -L. -L$(ZLIBLIB) -lz
+	$(CC) $(LDSFLAGS) -o $@ $(LDEXTRA) $(OBJSDLL) -L. -L$(ZLIBLIB) -lz

 pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)
 	$(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
@@ -147,7 +148,10 @@ install-shared: $(SHAREDLIB) install-headers install-docs install-man
 	install -s -m 755 $(SHAREDLIB) $(BINPATH)

 install-headers:
-	-@if [ ! -d $(INCPATH)  ]; then mkdir -p $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)]; then mkdir -p $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/libpng  ]; then mkdir -p $(INCPATH)/libpng; fi
+	-@rm -f ${INCPATH)/png.h
+	-@rm -f ${INCPATH)/pngconf.h
 	install -m 644 png.h pngconf.h $(INCPATH)

 install-docs:
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -0,0 +1,134 @@
+# makefile for libpng on Darwin / Mac OS X
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 2001 Christoph Pfisterer
+# derived from makefile.linux:
+#  Copyright (C) 1998, 1999 Greg Roelofs
+#  Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+# where "make install" puts libpng.a, libpng10.dylib, png.h and pngconf.h
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+CC=cc
+CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -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 = 1.0.13
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng10
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+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
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES:      .c .o .pic.o
+
+.c.pic.o:
+	$(CC) -c $(CFLAGS) -fno-common -o $@ $*.c
+
+all: libpng.a $(LIBNAME).dylib pngtest
+
+libpng.a: $(OBJS)
+	ar rc $@ $(OBJS)
+	$(RANLIB) $@
+
+$(LIBNAME).dylib: $(LIBNAME).$(PNGMAJ).dylib
+	ln -sf $(LIBNAME).$(PNGMAJ).dylib $(LIBNAME).dylib
+
+$(LIBNAME).$(PNGMAJ).dylib: $(LIBNAME).$(PNGVER).dylib
+	ln -sf $(LIBNAME).$(PNGVER).dylib $(LIBNAME).$(PNGMAJ).dylib
+
+$(LIBNAME).$(PNGVER).dylib: $(OBJSDLL)
+	$(CC) -dynamiclib \
+	 -install_name $(LIBPATH)/$(LIBNAME).$(PNGMAJ).dylib \
+	 -current_version $(PNGMIN) -compatibility_version $(PNGMIN) \
+	 -o $(LIBNAME).$(PNGVER).dylib \
+	 $(OBJSDLL) -L$(ZLIBLIB) -lz
+
+pngtest: pngtest.o $(LIBNAME).dylib
+	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+	./pngtest
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -sf $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -sf $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).dylib
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).$(PNGMAJ)*.dylib
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).dylib
+	-@/bin/rm -f $(LIBPATH)/libpng.dylib
+	-@/bin/rm -f $(LIBPATH)/libpng.2.dylib
+	-@/bin/rm -f $(LIBPATH)/libpng.2.*.dylib
+	cp $(LIBNAME).$(PNGVER).dylib $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).$(PNGVER).dylib
+	(cd $(LIBPATH); \
+	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.dylib; \
+	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.2.dylib; \
+	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.2.$(PNGMIN).dylib; \
+	ln -sf $(LIBNAME).$(PNGVER).dylib $(LIBNAME).$(PNGMAJ).dylib; \
+	ln -sf $(LIBNAME).$(PNGMAJ).dylib $(LIBNAME).dylib)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared
+
+clean:
+	rm -f *.o libpng.a $(LIBNAME).*dylib pngtest pngout.png
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+	chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -14,11 +14,12 @@ LIBPATH=$(prefix)/lib
 ZLIBLIB=../zlib
 ZLIBINC=../zlib

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
+# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
 # have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
+PNGMAJ = 0
+PNGMIN = 1.0.13
 PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng10

 CC=cc
 CFLAGS=-std -w1 -I$(ZLIBINC) -O # -g -DPNG_DEBUG=1
@@ -31,19 +32,19 @@ 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

-all: libpng.so libpng.a pngtest
+all: $(LIBNAME).so libpng.a pngtest

 libpng.a: $(OBJS)
 	ar rc $@  $(OBJS)
 	$(RANLIB) $@

-libpng.so: libpng.so.$(PNGMAJ)
-	ln -f -s libpng.so.$(PNGMAJ) libpng.so
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so

-libpng.so.$(PNGMAJ): libpng.so.$(PNGVER)
-	ln -f -s libpng.so.$(PNGVER) libpng.so.$(PNGMAJ)
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)

-libpng.so.$(PNGVER): $(OBJS)
+$(LIBNAME).so.$(PNGVER): $(OBJS)
 	$(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) -lz -lm

 pngtest: pngtest.o libpng.a
@@ -52,23 +53,45 @@ pngtest: pngtest.o libpng.a
 test: pngtest
 	./pngtest

-install: libpng.a libpng.so.$(PNGVER)
-	-@mkdir $(INCPATH)
-	-@mkdir $(LIBPATH)
-	cp png.h $(INCPATH)
-	cp pngconf.h $(INCPATH)
-	chmod 644 $(INCPATH)/png.h
-	chmod 644 $(INCPATH)/pngconf.h
-	cp libpng.a $(LIBPATH)
-	cp libpng.so.$(PNGVER) $(LIBPATH)
-	chmod 644 $(LIBPATH)/libpng.a
-	chmod 644 $(LIBPATH)/libpng.so.$(PNGVER)
-	-@/bin/rm -f $(LIBPATH)/libpng.so.$(PNGMAJ) $(LIBPATH)/libpng.so
-	(cd $(LIBPATH); ln -f -s libpng.so.$(PNGVER) libpng.so.$(PNGMAJ); \
-	 ln -f -s libpng.so.$(PNGMAJ) libpng.so)
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -sf $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -sf $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
-	rm -f *.o libpng.a pngtest pngout.png libpng.so*
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest pngout.png

 # DO NOT DELETE THIS LINE -- make depend depends on it.

--- a/scripts/makefile.freebsd
+++ b/scripts/makefile.freebsd
@@ -0,0 +1,93 @@
+# 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
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+
+PNGMAJ= 5
+.if (${OBJFORMAT} == "elf")
+PNGVER= $(PNGMAJ)
+.else
+PNGMIN= 0
+PNGVER= $(PNGMAJ).$(PNGMIN)
+.endif
+
+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
+
+pngtest: pngtest.o libpng.a
+	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+	./pngtest
+
+install: libpng.a libpng.so.${PNGVER}
+	-@mkdir $(prefix)/include/libpng
+	${INSTALL} -o ${INCOWN} -g ${INCGRP} -m ${INCMODE} \
+		png.h pngconf.h $(prefix)/include/libpng
+	ln -sf libpng/png.h $(prefix)/include/png.h
+	ln -sf libpng/pngconf.h $(prefix)/include/pngconf.h
+	${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
+		libpng.a libpng.so.${PNGVER} $(prefix)/lib
+	$(RANLIB) $(prefix)/lib/libpng.a
+	ln -sf libpng.so.${PNGVER} $(prefix)/lib/libpng.so
+	/sbin/ldconfig -R
+	${INSTALL} -o ${MANOWN} -g ${MANGRP} -m ${MANMODE} \
+		libpng.3 libpngpf.3 $(prefix)/man/man3
+	${INSTALL} -o ${MANOWN} -g ${MANGRP} -m ${MANMODE} \
+		png.5 $(prefix)/man/man5
+
+clean:
+	rm -f *.o libpng.a libpng.so libpng.so.${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
+
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -1,17 +1,27 @@
-# makefile for libpng on Linux ELF with gcc using MMX assembler code
-# Copyright 1996-1997 Andreas Dilger
+# makefile for libpng.a and libpng10.so on Linux ELF with gcc using MMX
+# assembler code
+# Copyright 2002 Greg Roelofs and Glenn Randers-Pehrson
 # Copyright 1998-2001 Greg Roelofs
+# Copyright 1996-1997 Andreas Dilger
 # For conditions of distribution and use, see copyright notice in png.h

 # CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.

+# WARNING: The assembler code in pnggccrd.c may not be thread safe.
+
 # NOTE:  When testing MMX performance on a multitasking system, make sure
 #        there are no floating-point programs (e.g., SETI@Home) running in
 #        the background!  Context switches between MMX and FPU are expensive.

+LIBNAME = libpng10
+PNGMAJ = 0
+PNGMIN = 1.0.13
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
 CC=gcc

-# where "make install" puts libpng.a, libpng.so*, png.h, and pngconf.h
+# where "make install" puts libpng.a, libpng10/libpng10.so*,
+# $(LIBNAME)/png.h and $(LIBNAME)/pngconf.h
 prefix=/usr/local

 # Where the zlib library and include files are located
@@ -30,30 +40,26 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \

 # for pgcc version 2.95.1, -O3 is buggy; don't use it.

+# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
 ### for generic gcc:
-CFLAGS=-DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 $(ALIGN) -funroll-loops \
+CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall \
+	-O3 $(ALIGN) -funroll-loops \
 	-fomit-frame-pointer  # $(WARNMORE) -g -DPNG_DEBUG=5
 ### for gcc 2.95.2 on 686:
-#CFLAGS=-DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
+#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
 #	-mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
 #	$(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer 
 ### for gcc 2.7.2.3 on 486 and up:
-#CFLAGS=-DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
+#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
 #	-m486 -malign-double -ffast-math \
 #	$(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer 

-LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng -lz -lm
+LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng10 -lz -lm
 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm

 RANLIB=ranlib
 #RANLIB=echo

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
-# have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
 INCPATH=$(prefix)/include
 LIBPATH=$(prefix)/lib

@@ -68,67 +74,84 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c

-all: libpng.a libpng.so pngtest pngtest-static
+all: libpng.a $(LIBNAME).so pngtest pngtest-static

 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 ""
 	$(CC) -c $(CFLAGS) -o $@ $*.c
-	@echo ""

 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 ""
 	$(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c
-	@echo ""

-libpng.a: $(OBJS)
+$(LIBNAME).a: $(OBJS)
 	ar rc $@ $(OBJS)
 	$(RANLIB) $@

-libpng.so: libpng.so.$(PNGMAJ)
-	ln -sf libpng.so.$(PNGMAJ) libpng.so
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so

-libpng.so.$(PNGMAJ): libpng.so.$(PNGVER)
-	ln -sf libpng.so.$(PNGVER) libpng.so.$(PNGMAJ)
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)

-libpng.so.$(PNGVER): $(OBJSDLL)
-	$(CC) -shared -Wl,-soname,libpng.so.$(PNGMAJ) -o libpng.so.$(PNGVER) \
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+	$(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) -o $(LIBNAME).so.$(PNGVER) \
 	 $(OBJSDLL) -L$(ZLIBLIB) -lz -lm -lc

-pngtest: pngtest.o libpng.so
+pngtest: pngtest.o $(LIBNAME).so
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)

-pngtest-static: pngtest.o libpng.a
+pngtest-static: pngtest.o $(LIBNAME).a
 	$(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)

 test: pngtest pngtest-static
 	@echo ""
-	@echo "   Testing dynamically linked version:"
+	@echo "   Running pngtest dynamically linked with libpng10.so:"
 	@echo ""
 	./pngtest
 	@echo ""
-	@echo "   Testing statically linked version:"
+	@echo "   Running pngtest statically linked with libpng.a:"
 	@echo ""
 	./pngtest-static

-install: libpng.a libpng.so.$(PNGVER)
-	-@if [ ! -d $(INCPATH)  ]; then mkdir $(INCPATH); fi
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -sf $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
 	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
-	cp png.h pngconf.h $(INCPATH)
-	chmod 644 $(INCPATH)/png.h $(INCPATH)/pngconf.h
-	cp libpng.a libpng.so.$(PNGVER) $(LIBPATH)
-	chmod 755 $(LIBPATH)/libpng.so.$(PNGVER)
-	-@/bin/rm -f $(LIBPATH)/libpng.so.$(PNGMAJ) $(LIBPATH)/libpng.so
-	(cd $(LIBPATH); ln -sf libpng.so.$(PNGVER) libpng.so.$(PNGMAJ); \
-	 ln -sf libpng.so.$(PNGMAJ) libpng.so)
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -sf $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
-	/bin/rm -f *.o libpng.a libpng.so* pngtest pngout.png
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+	pngtest pngout.png

 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -1,4 +1,5 @@
 # makefile for libpng on HP-UX using GCC
+# Copyright (C) 2002, Glenn Randers-Pehrson
 # Copyright (C) 2001, Laurent faillie
 # Copyright (C) 1998, 1999 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
@@ -31,11 +32,12 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
 RANLIB=ranlib
 #RANLIB=echo

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
+# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
 # have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
+PNGMAJ = 0
+PNGMIN = 1.0.13
 PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng10

 INCPATH=$(prefix)/include
 LIBPATH=$(prefix)/lib
@@ -51,41 +53,69 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c

-all: libpng.a libpng.sl pngtest
+all: libpng.a $(LIBNAME).sl pngtest

 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
 	$(RANLIB) $@

-libpng.sl: libpng.sl.$(PNGMAJ)
-	ln -f -s libpng.sl.$(PNGMAJ) libpng.sl
+$(LIBNAME).sl: $(LIBNAME).sl.$(PNGMAJ)
+	ln -f -s $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl

-libpng.sl.$(PNGMAJ): libpng.sl.$(PNGVER)
-	ln -f -s libpng.sl.$(PNGVER) libpng.sl.$(PNGMAJ)
+$(LIBNAME).sl.$(PNGMAJ): $(LIBNAME).sl.$(PNGVER)
+	ln -f -s $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ)

-libpng.sl.$(PNGVER): $(OBJSDLL)
+$(LIBNAME).sl.$(PNGVER): $(OBJSDLL)
 	$(LD) -b -L$(ZLIBLIB) +s +b $(ZLIBLIB) \
 	+h libpng.sl.$(PNGMAJ) -o libpng.sl.$(PNGVER) $(OBJSDLL) -lz

-pngtest: pngtest.o libpng.sl
+pngtest: pngtest.o $(LIBNAME).sl
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)

 test: pngtest
 	./pngtest

-install: libpng.a libpng.sl.$(PNGVER)
-	-@if [ ! -d $(INCPATH)  ]; then mkdir $(INCPATH); fi
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -sf $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
 	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
-	cp png.h pngconf.h $(INCPATH)
-	chmod 644 $(INCPATH)/png.h $(INCPATH)/pngconf.h
-	cp libpng.a libpng.sl.$(PNGVER) $(LIBPATH)
-	chmod 755 $(LIBPATH)/libpng.sl.$(PNGVER)
-	-@/bin/rm -f $(LIBPATH)/libpng.sl.$(PNGMAJ) $(LIBPATH)/libpng.sl
-	(cd $(LIBPATH); ln -sf libpng.sl.$(PNGVER) libpng.sl.$(PNGMAJ); \
-	 ln -sf libpng.sl.$(PNGMAJ) libpng.sl)
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -sf $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).sl.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).sl.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).sl
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).sl.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).sl.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl.2; \
+	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl.2.$(PNGMIN); \
+	ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ); \
+	ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
-	/bin/rm -f *.o libpng.a libpng.sl* pngtest pngout.png
+	/bin/rm -f *.o libpng.a $(SHAREDLIB).sl $(SHAREDLIB).sl.$(PNGMAJ)* \
+	pngtest pngout.png

 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -1,5 +1,5 @@
 # makefile for libpng, HPUX (10.20 and 11.00)
-# Copyright (C) 1999, 2000 Glenn Randers-Pehrson
+# Copyright (C) 1999-2002 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42
 # contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard
 # For conditions of distribution and use, see copyright notice in png.h
@@ -16,14 +16,17 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm

 RANLIB=ranlib

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
+# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
 # have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
+PNGMAJ = 0
+PNGMIN = 1.0.13
 PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng10

-# where make install puts libpng.a and png.h
+# where make install puts libpng.a, libpng10.sl, and png.h
 prefix=/opt/libpng
+LIBPATH=$prefix/lib
+INCPATH=$prefix/include

 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
@@ -36,21 +39,22 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) +z -o $@ $*.c

-all: libpng.a libpng.sl pngtest
+all: libpng.a $(LIBNAME).sl pngtest

 libpng.a: $(OBJS)
 	ar rc $@  $(OBJS)
 	$(RANLIB) $@

-libpng.sl: libpng.sl.$(PNGMAJ)
-	ln -f -s libpng.sl.$(PNGMAJ) libpng.sl
+$(LIBNAME).sl: $(LIBNAME).sl.$(PNGMAJ)
+	ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl

-libpng.sl.$(PNGMAJ): libpng.sl.$(PNGVER)
-	ln -f -s libpng.sl.$(PNGVER) libpng.sl.$(PNGMAJ)
+$(LIBNAME).sl.$(PNGMAJ): $(LIBNAME).sl.$(PNGVER)
+	ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ)

-libpng.sl.$(PNGVER): $(OBJSDLL)
+$(LIBNAME).sl.$(PNGVER): $(OBJSDLL)
 	$(LD) -b -L$(ZLIBLIB) +s +b $(ZLIBLIB) \
-	+h libpng.sl.$(PNGMAJ) -o libpng.sl.$(PNGVER) $(OBJSDLL) -lz
+	+h $(LIBNAME).sl.$(PNGMAJ) -o $(LIBNAME).sl.$(PNGVER) \
+	$(OBJSDLL) -lz

 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS)
@@ -58,21 +62,46 @@ pngtest: pngtest.o libpng.a
 test: pngtest
 	./pngtest

-install: libpng.a
-	-@mkdir $(prefix)/include
-	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
-	cp libpng.a libpng.sl.$(PNGVER) $(prefix)/lib
-	chmod 644 $(prefix)/lib/libpng.a
-	chmod 755 $(prefix)/lib/libpng.sl.$(PNGVER)
-	(cd $(prefix)/lib; ln -f -s libpng.sl.$(PNGVER) libpng.sl.$(PNGMAJ); \
-	ln -f -s libpng.sl.$(PNGMAJ) libpng.sl)
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -sf $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -sf $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).sl.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).sl.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).sl
+	-@/bin/rm -f $(LIBPATH)/libpng.sl
+	-@/bin/rm -f $(LIBPATH)/libpng.sl.2
+	-@/bin/rm -f $(LIBPATH)/libpng.sl.2.*
+	cp $(LIBNAME).sl.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).sl.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl; \
+	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl.2; \
+	ln -sf $(LIBNAME).sl.$(PNGVER) libpng.sl.2.$(PNGMIN); \
+	ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ); \
+	ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
-	rm -f *.o libpng.a libpng.sl* pngtest pngout.png
+	/bin/rm -f *.o libpng.a $(LIBNAME).sl $(LIBNAME).sl.$(PNGMAJ)* \
+	pngtest pngout.png

 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
--- a/scripts/makefile.ibmc
+++ b/scripts/makefile.ibmc
@@ -5,7 +5,7 @@
 # Notes:
 #   Derived from makefile.std
 #   All modules are compiled in C mode
-#   Tested with IBM C 3.6.5 under Win32, expected to work under OS/2 too
+#   Tested under Win32, expected to work under OS/2
 #   Can be easily adapted for IBM VisualAge/C++ for AIX

 # Location of the zlib library and include files
@@ -18,7 +18,7 @@ LD = ilink
 AR = ilib
 RM = del

-CFLAGS = -I$(ZLIBINC) -O2 -W3
+CFLAGS = -I$(ZLIBINC) -Mc -O2 -W3
 LDFLAGS =

 # File extensions
--- a/scripts/makefile.knr
+++ b/scripts/makefile.knr
@@ -47,11 +47,14 @@ test: pngtest

 install: libpng.a
 	-@mkdir $(prefix)/include
+	-@mkdir $(prefix)/include/libpng
 	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
+	-@rm -f $(prefix)/include/png.h
+	-@rm -f $(prefix)/include/pngconf.h
+	cp png.h $(prefix)/include/libpng
+	cp pngconf.h $(prefix)/include/libpng
+	chmod 644 $(prefix)/include/libpng/png.h
+	chmod 644 $(prefix)/include/libpng/pngconf.h
 	cp libpng.a $(prefix)/lib
 	chmod 644 $(prefix)/lib/libpng.a

--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -1,11 +1,17 @@
-# makefile for libpng on Linux ELF with gcc
-# Copyright (C) 1998, 1999 Greg Roelofs
+# makefile for libpng.a and libpng10.so on Linux ELF with gcc
+# Copyright (C) 1998, 1999, 2002 Greg Roelofs and Glenn Randers-Pehrson
 # Copyright (C) 1996, 1997 Andreas Dilger
 # For conditions of distribution and use, see copyright notice in png.h

+LIBNAME = libpng10
+PNGMAJ = 0
+PNGMIN = 1.0.13
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
 CC=gcc

-# where "make install" puts libpng.a, libpng.so*, png.h and pngconf.h
+# where "make install" puts libpng.a, libpng10/libpng10.so*,
+# libpng10/png.h and libpng10/pngconf.h
 prefix=/usr/local

 # Where the zlib library and include files are located
@@ -26,17 +32,13 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \

 CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
 	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
-LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng -lz -lm
+
+LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng10 -lz -lm
+LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm

 RANLIB=ranlib
 #RANLIB=echo

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
-# have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
-PNGVER = $(PNGMAJ).$(PNGMIN)
-
 INCPATH=$(prefix)/include
 LIBPATH=$(prefix)/lib

@@ -51,41 +53,80 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c

-all: libpng.a libpng.so pngtest
+all: libpng.a $(LIBNAME).so pngtest

 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
 	$(RANLIB) $@

-libpng.so: libpng.so.$(PNGMAJ)
-	ln -sf libpng.so.$(PNGMAJ) libpng.so
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so

-libpng.so.$(PNGMAJ): libpng.so.$(PNGVER)
-	ln -sf libpng.so.$(PNGVER) libpng.so.$(PNGMAJ)
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)

-libpng.so.$(PNGVER): $(OBJSDLL)
-	$(CC) -shared -Wl,-soname,libpng.so.$(PNGMAJ) -o libpng.so.$(PNGVER) \
-	 $(OBJSDLL) -L$(ZLIBLIB) -lz -lm -lc
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+	$(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
+	-o $(LIBNAME).so.$(PNGVER) \
+	$(OBJSDLL) -L$(ZLIBLIB) -lz -lm -lc

-pngtest: pngtest.o libpng.so
+pngtest: pngtest.o $(LIBNAME).so
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)

-test: pngtest
-	./pngtest
+pngtest-static: pngtest.o $(LIBNAME).a
+	$(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)

-install: libpng.a libpng.so.$(PNGVER)
-	-@if [ ! -d $(INCPATH)  ]; then mkdir $(INCPATH); fi
+test: pngtest pngtest-static
+	@echo ""
+	@echo "   Running pngtest dynamically linked with libpng10.so:"
+	@echo ""
+	./pngtest
+	@echo ""
+	@echo "   Running pngtest statically linked with libpng.a:"
+	@echo ""
+	./pngtest-static
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -sf $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
 	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
-	cp png.h pngconf.h $(INCPATH)
-	chmod 644 $(INCPATH)/png.h $(INCPATH)/pngconf.h
-	cp libpng.a libpng.so.$(PNGVER) $(LIBPATH)
-	chmod 755 $(LIBPATH)/libpng.so.$(PNGVER)
-	-@/bin/rm -f $(LIBPATH)/libpng.so.$(PNGMAJ) $(LIBPATH)/libpng.so
-	(cd $(LIBPATH); ln -sf libpng.so.$(PNGVER) libpng.so.$(PNGMAJ); \
-	 ln -sf libpng.so.$(PNGMAJ) libpng.so)
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -sf $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared
+

 clean:
-	/bin/rm -f *.o libpng.a libpng.so* pngtest pngout.png
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNMAJ)* \
+	pngtest pngout.png

 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
--- a/scripts/makefile.macosx
+++ b/scripts/makefile.macosx
@@ -1,5 +1,8 @@
 # makefile for libpng, MACOS X
+# Copyright (C) 2002 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# Modified by Karin Kosina <kyrah@sim.no> 20011010:
+# build shared library (*.dylib)
 # For conditions of distribution and use, see copyright notice in png.h

 # where make install puts libpng.a and png.h
@@ -12,8 +15,17 @@ ZLIBLIB=../zlib
 ZLIBINC=../zlib

 CC=cc
-CFLAGS=-I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
+CFLAGS=-fno-common -I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
 LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz
+LDSHARED=cc -lz -dynamiclib -compatibility_version $(VER) -current_version $(VER)
+
+PNGMAJ = 0
+PNGMIN = 1.0.13
+VER = $(PNGMAJ).$(PNGMIN)
+LIBNAME=libpng10
+SHAREDLIB_POSTFIX=dylib
+LIBPATH=$(prefix)/lib
+INCPATH=$(prefix)/include

 #RANLIB=echo
 RANLIB=ranlib
@@ -22,30 +34,71 @@ 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

-all: libpng.a pngtest
+all: libpng.a pngtest shared
+
+shared: $(LIBNAME).$(VER).$(SHAREDLIB_POSTFIX)

 libpng.a: $(OBJS)
 	ar rc $@  $(OBJS)
 	$(RANLIB) $@

+$(LIBNAME).$(VER).$(SHAREDLIB_POSTFIX): $(OBJS)
+	$(LDSHARED) -o $@ $(OBJS)
+
 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)

 test: pngtest
 	./pngtest

-install: libpng.a
-	-@mkdir $(prefix)/include
-	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
-	cp libpng.a $(prefix)/lib
-	chmod 644 $(prefix)/lib/libpng.a
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -f -s $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -f -s $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).$(PNGMAJ)*.$(SHAREDLIB_POSTFIX)
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).$(SHAREDLIB_POSTFIX)
+	-@/bin/rm -f libpng.$(SHARED_POSTFIX)
+	-@/bin/rm -f libpng.2.$(SHARED_POSTFIX)
+	-@/bin/rm -f libpng.2.*.$(SHARED_POSTFIX)
+	cp $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
+	(cd $(LIBPATH); \
+	ln -f -s $(LIBNAME).$(PNGVER).$(SHARED_POSTFIX) ]
+	libpng.$(SHARED_POSTFIX); \
+	ln -f -s $(LIBNAME).$(PNGVER).$(SHARED_POSTFIX) ]
+	libpng.2.$(SHARED_POSTFIX); \
+	ln -f -s $(LIBNAME).$(PNGVER).$(SHARED_POSTFIX) ]
+	libpng.2.$(PNGMIN).$(SHARED_POSTFIX); \
+	ln -sf $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) \
+	$(LIBNAME).$(PNGMAJ).$(SHAREDLIB_POSTFIX); \
+	ln -sf $(LIBNAME).$(PNGMAJ).$(SHAREDLIB_POSTFIX) \
+	$(LIBNAME).$(SHAREDLIB_POSTFIX))
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-shared

 clean:
-	rm -f *.o libpng.a pngtest pngout.png
+	rm -f *.o libpng.a pngtest pngout.png \
+	$(LIBNAME).$(VER).$(SHAREDLIB_POSTFIX) \
+	$(LIBNAME).$(SHAREDLIB_POSTFIX)

 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
--- a/scripts/makefile.mips
+++ b/scripts/makefile.mips
@@ -31,11 +31,14 @@ test: pngtest

 install: libpng.a
 	-@mkdir $(prefix)/include
+	-@mkdir $(prefix)/include/libpng
 	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
+	-@rm -f $(prefix)/include/png.h
+	-@rm -f $(prefix)/include/pngconf.h
+	cp png.h $(prefix)/include/libpng
+	cp pngconf.h $(prefix)/include/libpng
+	chmod 644 $(prefix)/include/libpng/png.h
+	chmod 644 $(prefix)/include/libpng/pngconf.h
 	cp libpng.a $(prefix)/lib
 	chmod 644 $(prefix)/lib/libpng.a

--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -0,0 +1,44 @@
+# makefile for libpng for NetBSD for the standard
+# make obj && make depend && make && make test
+# make includes && make install
+# Copyright (C) 2002 Patrick R.L. Welche
+# For conditions of distribution and use, see copyright notice in png.h
+
+# You should also run makefile.netbsd
+
+LOCALBASE?=/usr/local
+LIBDIR=	${LOCALBASE}/lib
+MANDIR= ${LOCALBASE}/man
+INCSDIR=${LOCALBASE}/include/libpng10
+
+LIB=	png10
+SHLIB_MAJOR=	0
+SHLIB_MINOR=	1.0.13
+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
+INCS=	png.h pngconf.h
+MAN=	libpng.3 libpngpf.3 png.5
+
+CPPFLAGS+=-I${.CURDIR} -DPNG_USE_PNGGCCRD
+
+# something like this for mmx assembler, but it core dumps for me at the moment
+# .if ${MACHINE_ARCH} == "i386"
+#   CPPFLAGS+=-DPNG_THREAD_UNSAFE_OK
+#   MKLINT= no
+# .else
+    CPPFLAGS+=-DPNG_NO_ASSEMBLER_CODE
+# .endif
+
+CLEANFILES+=pngtest.o pngtest
+
+pngtest.o:	pngtest.c
+	${CC} -c ${CPPFLAGS} ${CFLAGS} ${.ALLSRC} -o ${.TARGET}
+
+pngtest:	pngtest.o libpng.a
+	${CC} ${LDFLAGS} ${.ALLSRC} -o${.TARGET} -lz -lm
+
+test:	pngtest
+	cd ${.CURDIR} && ${.OBJDIR}/pngtest
+
+.include <bsd.lib.mk>
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -1,31 +1,33 @@
 # makefile for libpng for NetBSD for the standard
 # make obj && make depend && make && make test
 # make includes && make install
-# Copyright (C) 2001 Patrick R.L. Welche
+# Copyright (C) 2002 Patrick R.L. Welche
 # For conditions of distribution and use, see copyright notice in png.h

+# You should also run makefile.ne0bsd
+
 LOCALBASE?=/usr/local
 LIBDIR=	${LOCALBASE}/lib
 MANDIR= ${LOCALBASE}/man
-INCSDIR=${LOCALBASE}/include
+INCSDIR=${LOCALBASE}/include/libpng

-LIB=png
-SHLIB_MAJOR= 2
-SHLIB_MINOR= 1.0.12beta1
+LIB=	png
+SHLIB_MAJOR=	2
+SHLIB_MINOR=	1.0.13
 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
+		pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
+		pngwtran.c pngmem.c pngerror.c pngpread.c
 INCS=	png.h pngconf.h
 MAN=	libpng.3 libpngpf.3 png.5

 CPPFLAGS+=-I${.CURDIR} -DPNG_USE_PNGGCCRD

-CPPFLAGS+=-DPNG_NO_ASSEMBLER_CODE
 # something like this for mmx assembler, but it core dumps for me at the moment
 # .if ${MACHINE_ARCH} == "i386"
+#   CPPFLAGS+=-DPNG_THREAD_UNSAFE_OK
 #   MKLINT= no
 # .else
-#   CPPFLAGS+=-DPNG_NO_ASSEMBLER_CODE
+    CPPFLAGS+=-DPNG_NO_ASSEMBLER_CODE
 # .endif

 CLEANFILES+=pngtest.o pngtest
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -0,0 +1,70 @@
+# makefile for libpng
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+PREFIX?= /usr/local
+LIBDIR=	${PREFIX}/lib
+MANDIR= ${PREFIX}/man/cat
+
+SHLIB_MAJOR=	0
+SHLIB_MINOR=	1.0.13
+
+LIB=	png
+SRCS=	png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
+	pngread.c pngrio.c pngrtran.c pngrutil.c pngset.c pngtrans.c \
+	pngwio.c pngwrite.c pngwtran.c pngwutil.c
+
+HDRS=	png.h pngconf.h
+
+CFLAGS+= -Wall
+CPPFLAGS+= -I${.CURDIR} -DPNG_NO_ASSEMBLER_CODE -DPNG_USE_PNGGCCRD
+
+NOPROFILE= Yes
+
+CLEANFILES+= pngtest.o pngtest
+
+MAN=	libpng.3 libpngpf.3 png.5
+DOCS=	ANNOUNCE CHANGES LICENSE README libpng.txt
+
+pngtest.o:	pngtest.c
+	${CC} ${CPPFLAGS} ${CFLAGS} -c ${.ALLSRC} -o ${.TARGET}
+
+pngtest:	pngtest.o
+	${CC} ${LDFLAGS} ${.ALLSRC} -o ${.TARGET} -L${.OBJDIR} -lpng -lz -lm
+
+test:	pngtest
+	cd ${.OBJDIR} && env \
+		LD_LIBRARY_PATH="${.OBJDIR}" ${.OBJDIR}/pngtest
+
+beforeinstall:
+	if [ ! -d ${DESTDIR}${PREFIX}/include/libpng ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/include/libpng; \
+	fi
+	if [ ! -d ${DESTDIR}${LIBDIR} ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}; \
+	fi
+	if [ ! -d ${DESTDIR}${LIBDIR}/debug ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}/debug; \
+	fi
+	if [ ! -d ${DESTDIR}${MANDIR}3 ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}3; \
+	fi
+	if [ ! -d ${DESTDIR}${MANDIR}5 ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}5; \
+	fi
+	if [ ! -d ${DESTDIR}${PREFIX}/share/doc/png ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/share/doc/png; \
+	fi
+
+afterinstall:
+	@rm -f ${DESTDIR}${LIBDIR}/libpng_pic.a
+	@rm -f ${DESTDIR}${LIBDIR}/debug/libpng.a
+	@rm -f ${DESTDIR}${PREFIX}/include/png.h
+	@rm -f ${DESTDIR}${PREFIX}/include/pngconf.h
+	@rmdir ${DESTDIR}${LIBDIR}/debug 2>/dev/null || true
+	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
+		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include/libpng
+	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
+		-m ${NONBINMODE} ${DOCS} ${DESTDIR}${PREFIX}/share/doc/png
+
+.include <bsd.lib.mk>
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -22,13 +22,14 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
 #RANLIB=ranlib
 RANLIB=echo

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
+# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
 # have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
+PNGMAJ = 0
+PNGMIN = 1.0.13
 PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng10

-INCPATH=$(prefix)/include
+INCPATH=$(prefix)/include/libpng
 LIBPATH=$(prefix)/lib

 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
@@ -42,40 +43,70 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -KPIC -o $@ $*.c

-all: libpng.a libpng.so pngtest
+all: libpng.a $(LIBNAME).so pngtest

 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
 	$(RANLIB) $@

-libpng.so: libpng.so.$(PNGMAJ)
-	ln -f -s libpng.so.$(PNGMAJ) libpng.so
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so

-libpng.so.$(PNGMAJ): libpng.so.$(PNGVER)
-	ln -f -s libpng.so.$(PNGVER) libpng.so.$(PNGMAJ)
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)

-libpng.so.$(PNGVER): $(OBJSDLL)
-	$(CC) -G  -Wl,-h,libpng.so.$(PNGMAJ) -o libpng.so.$(PNGVER) \
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+	$(CC) -G  -Wl,-h,$(LIBNAME).so.$(PNGMAJ) -o $(LIBNAME).so.$(PNGVER) \
 	 $(OBJSDLL)

-pngtest: pngtest.o libpng.so
+pngtest: pngtest.o $(LIBNAME).so
 	LD_RUN_PATH=.:$(ZLIBLIB) $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)

 test: pngtest
 	./pngtest

-install: libpng.a libpng.so.$(PNGVER)
-	-@mkdir $(INCPATH) $(LIBPATH)
-	cp png.h pngconf.h $(INCPATH)
-	chmod 644 $(INCPATH)/png.h $(INCPATH)/pngconf.h
-	cp libpng.a libpng.so.$(PNGVER) $(LIBPATH)
-	chmod 755 $(LIBPATH)/libpng.so.$(PNGVER)
-	-@/bin/rm -f $(LIBPATH)/libpng.so.$(PNGMAJ) $(LIBPATH)/libpng.so
-	(cd $(LIBPATH); ln -f -s libpng.so.$(PNGVER) libpng.so.$(PNGMAJ); \
-	 ln -f -s libpng.so.$(PNGMAJ) libpng.so)
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	-@/bin/rm -f $(INCPATH)/png.h
+	-@/bin/rm -f $(INCPATH)/pngconf.h
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -f -s $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -f -s $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
-	/bin/rm -f *.o libpng.a libpng.so* pngtest pngout.png
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest pngout.png

 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -1,4 +1,5 @@
 # makefile for libpng, SGI IRIX with gcc
+# Copyright (C) 2002 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
 # For conditions of distribution and use, see copyright notice in png.h

@@ -11,18 +12,24 @@ ZLIBINC=/usr/local/include
 #ZLIBLIB=../zlib
 #ZLIBINC=../zlib

+# ABI can be blank to use default for your system, -32, -o32, -n32, or -64
+# See "man abi".  zlib must be built with the same ABI.
+ABI=
+
 CC=gcc

 WARNMORE= # -g -DPNG_DEBUG=5
-CFLAGS=-I$(ZLIBINC) -O2 $(WARNMORE) -fPIC -mabi=n32
-# zlib must also be compiled with n32
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
-LDSHARED=gcc -shared
+CFLAGS=$(ABI) -I$(ZLIBINC) -O2 $(WARNMORE) -fPIC -mabi=n32
+LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
+LDSHARED=CC $(ABI) -shared

-VER=1.0.12beta1
-LIBS=libpng.so.1.0.12beta1
-SHAREDLIB=libpng.so
-libdir=$(prefix)/lib32
+PNGMAJ = 0
+PNGMIN = 1.0.13
+PNGVER = $(PNGMAJ).$(PNGMIN)
+# See "man dso" for info about shared objects
+LIBS=libpng10.so.$(PNGMAJ).$(PNGVER)
+LIBNAME=libpng10
+LIBPATH=$(prefix)/lib32

 RANLIB=echo
 #RANLIB=ranlib
@@ -31,17 +38,17 @@ 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

-all: libpng.a $(SHAREDLIB).$(VER) pngtest
+all: libpng.a $(LIBNAME).so.$(PNGVER) pngtest

 libpng.a: $(OBJS)
 	ar rc $@  $(OBJS)
 	$(RANLIB) $@

-$(SHAREDLIB).$(VER): $(OBJS)
+$(LIBNAME).so.$(PNGVER): $(OBJS)
 	$(LDSHARED) -o $@ $(OBJS)
-	rm -f $(SHAREDLIB) $(SHAREDLIB).1
-	ln -s $@ $(SHAREDLIB)
-	ln -s $@ $(SHAREDLIB).1
+	rm -f $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)
+	ln -s $@ $(LIBNAME).so
+	ln -s $@ $(LIBNAME).so.$(PNGMAJ)

 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -49,22 +56,43 @@ pngtest: pngtest.o libpng.a
 test: pngtest
 	./pngtest

-install: libpng.a
-	-@mkdir $(prefix)/include
-	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
-	cp libpng.a $(prefix)/lib
-	chmod 644 $(prefix)/lib/libpng.a
-	cp $(SHAREDLIB).$(VER) $(libdir); chmod 755 $(SHAREDLIB).$(VER)
-	(cd $(libdir); if test -f $(SHAREDLIB).$(VER); then \
-	rm -f $(SHAREDLIB) $(SHAREDLIB).1; \
-	ln -s $(SHAREDLIB).$(VER) $(SHAREDLIB); \
-	ln -s $(SHAREDLIB).$(VER) $(SHAREDLIB).1; \
-	(ldconfig || true)  >/dev/null 2>&1; \
-	fi)
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -f -s $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -f -s $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
 	rm -f *.o libpng.a pngtest pngout.png
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -1,13 +1,12 @@
-# makefile for libpng (.a and .so), SGI IRIX with 'cc'
-# Copyright (C) 2001 Glenn Randers-Pehrson
+# makefile for libpng.a and libpng10.so, SGI IRIX with 'cc'
+# Copyright (C) 2001-2002 Glenn Randers-Pehrson
 # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
 # For conditions of distribution and use, see copyright notice in png.h

-# where make install puts libpng.a and png.h
+# where make install puts libpng.a, libpng10.so and libpng10/png.h
 prefix=/usr/local

 # Where the zlib library and include files are located
-# You can add the -n32 option; then zlib must also be compiled with -n32
 #ZLIBLIB=/usr/local/lib32
 #ZLIBINC=/usr/local/include
 #ZLIBLIB=/usr/local/lib
@@ -17,40 +16,48 @@ ZLIBINC=../zlib

 CC=cc

-WARNMORE=-fullwarn
-# You can add the -n32 option; then zlib must also be compiled with -n32
-# Note: -KPIC is the default anyhow
-#CFLAGS=-I$(ZLIBINC) -O $(WARNMORE) -KPIC -DPNG_USE_PNGGCCRD # -g -DPNG_DEBUG=5
-CFLAGS=-I$(ZLIBINC) -O $(WARNMORE) -DPNG_USE_PNGGCCRD -DPNG_NO_ASSEMBLER_CODE
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
-LDSHARED=cc -shared
+# ABI can be blank to use default for your system, -32, -o32, -n32, or -64
+# See "man abi".  zlib must be built with the same ABI.
+ABI=

-VER=1.0.12beta1
-SONUM=2
-SHAREDLIB=libpng.so
-libdir=$(prefix)
-#libdir=$(prefix)/lib32
+WARNMORE=-fullwarn
+# Note: -KPIC is the default anyhow
+#CFLAGS= $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -KPIC -DPNG_USE_PNGGCCRD # -g -DPNG_DEBUG=5
+CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -DPNG_USE_PNGGCCRD -DPNG_NO_ASSEMBLER_CODE
+LDFLAGS_A=$(ABI) -L. -L$(ZLIBLIB) -lpng10 -lz -lm
+LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
+LDSHARED=cc $(ABI) -shared
+
+# See "man dso" for info about shared objects
+LIBNAME=libpng10
+PNGMAJ = 0
+PNGMIN = 1.0.13
+PNGVER = $(PNGMAJ).$(PNGMIN)

 RANLIB=echo
 #RANLIB=ranlib

+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+#LIBPATH=$(prefix)/lib32
+
 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

 all: libpng.a pngtest shared

-shared: $(SHAREDLIB).$(SONUM).$(VER)
+shared: $(LIBNAME).so.$(PNGMAJ).$(PNGVER)

 libpng.a: $(OBJS)
 	ar rc $@  $(OBJS)
 	$(RANLIB) $@

-$(SHAREDLIB).$(SONUM).$(VER): $(OBJS)
+$(LIBNAME).so.$(PNGVER): $(OBJS)
 	$(LDSHARED) -o $@ $(OBJS)
-	rm -f $(SHAREDLIB) $(SHAREDLIB).?
-	ln -s $@ $(SHAREDLIB)
-	ln -s $@ $(SHAREDLIB).$(SONUM)
+	rm -f $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)
+	ln -s $@ $(LIBNAME).so
+	ln -s $@ $(LIBNAME).so.$(PNGMAJ)

 pngtest: pngtest.o libpng.a
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
@@ -58,26 +65,46 @@ pngtest: pngtest.o libpng.a
 test: pngtest
 	./pngtest

-install: libpng.a
-	-@mkdir $(prefix)/include
-	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
-	cp libpng.a $(prefix)/lib
-	chmod 644 $(prefix)/lib/libpng.a
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -f -s $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng

-install-shared: $(SHAREDLIB).$(SONUM).$(VER)
-	cp $(SHAREDLIB).$(SONUM).$(VER) $(libdir)
-	chmod 755 $(SHAREDLIB).$(SONUM).$(VER)
-	(cd $(libdir)
-	rm -f $(SHAREDLIB) $(SHAREDLIB).$(SONUM)
-	ln -s $(SHAREDLIB).$(SONUM).$(VER) $(SHAREDLIB).$(SONUM)
-	ln -s $(SHAREDLIB).$(SONUM) $(SHAREDLIB))
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -f -s $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
-	rm -f *.o libpng.a pngtest pngout.png $(SHAREDLIB).*
+	rm -f *.o libpng.a pngtest pngout.png $(LIBNAME).so \
+	$(LIBNAME).so.$(PNGMAJ)*

 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -0,0 +1,153 @@
+# makefile for libpng on Solaris 9 (beta) with Forte cc
+# Updated by Chad Schrock for Solaris 9
+# Contributed by William L. Sebok, based on makefile.linux
+# Copyright (C) 1998-2001 Greg Roelofs
+# Copyright (C) 1996-1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+# gcc 2.95 doesn't work.
+CC=cc
+
+# Where make install puts libpng.a, libpng.so*, and png.h
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+# Changing these to ../zlib poses a security risk.  If you want
+# to have zlib in an adjacent directory, specify the full path instead of "..".
+#ZLIBLIB=../zlib
+#ZLIBINC=../zlib
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+#Use the preinstalled zlib that comes with Solaris 9:
+ZLIBLIB=/usr/lib
+ZLIBINC=/usr/include
+
+#WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+	-Wmissing-declarations -Wtraditional -Wcast-align \
+	-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
+
+#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 = 1.0.13
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng10
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+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
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES:      .c .o .pic.o
+
+.c.pic.o:
+	$(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest
+
+libpng.a: $(OBJS)
+	ar rc $@ $(OBJS)
+	$(RANLIB) $@
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+	@case "`type ld`" in *ucb*) \
+	echo; \
+	echo '## WARNING:'; \
+	echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
+	echo '## and /usr/ucb/ld.  If they do, you need to adjust your PATH'; \
+	echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
+	echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
+	echo '## at all.  If it is, things are likely to break because of'; \
+	echo '## the libucb dependency that is created.'; \
+	echo; \
+	;; \
+	esac
+	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBNAME).so.$(PNGMAJ) \
+	 -o $(LIBNAME).so.$(PNGVER) $(OBJSDLL) -lz
+
+pngtest: pngtest.o $(LIBNAME).so
+	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+	./pngtest
+
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -f -s $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -f -s $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared
+
+clean:
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+	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.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -1,4 +1,5 @@
 # makefile for libpng on Solaris 2.x with gcc
+# Copyright (C) 2002 Glenn Randers-Pehrson
 # Contributed by William L. Sebok, based on makefile.linux
 # Copyright (C) 1998 Greg Roelofs
 # Copyright (C) 1996, 1997 Andreas Dilger
@@ -6,7 +7,7 @@

 CC=gcc

-# Where make install puts libpng.a, libpng.so*, and png.h
+# Where make install puts libpng.a, libpng10.so*, and png.h
 prefix=/usr/local

 # Where the zlib library and include files are located
@@ -28,11 +29,12 @@ LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng -lz -lm
 #RANLIB=ranlib
 RANLIB=echo

-# read libpng.txt or png.h to see why PNGMAJ is 2.  You should not
+# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
 # have to change it.
-PNGMAJ = 2
-PNGMIN = 1.0.12beta1
+PNGMAJ = 0
+PNGMIN = 1.0.13
 PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng10

 INCPATH=$(prefix)/include
 LIBPATH=$(prefix)/lib
@@ -48,19 +50,19 @@ OBJSDLL = $(OBJS:.o=.pic.o)
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c

-all: libpng.a libpng.so pngtest
+all: libpng.a $(LIBNAME).so pngtest

 libpng.a: $(OBJS)
 	ar rc $@ $(OBJS)
 	$(RANLIB) $@

-libpng.so: libpng.so.$(PNGMAJ)
-	ln -f -s libpng.so.$(PNGMAJ) libpng.so
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+	ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so

-libpng.so.$(PNGMAJ): libpng.so.$(PNGVER)
-	ln -f -s libpng.so.$(PNGVER) libpng.so.$(PNGMAJ)
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)

-libpng.so.$(PNGVER): $(OBJSDLL)
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
 	@case "`type ld`" in *ucb*) \
 	echo; \
 	echo '## WARNING:'; \
@@ -73,27 +75,55 @@ libpng.so.$(PNGVER): $(OBJSDLL)
 	echo; \
 	;; \
 	esac
-	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h libpng.so.$(PNGMAJ) \
-	 -o libpng.so.$(PNGVER) $(OBJSDLL) -lz
+	$(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBNAME).so.$(PNGMAJ) \
+	 -o $(LIBNAME).so.$(PNGVER) $(OBJSDLL) -lz

-pngtest: pngtest.o libpng.so
+pngtest: pngtest.o $(LIBNAME).so
 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)

 test: pngtest
 	./pngtest

-install: libpng.a libpng.so.$(PNGVER)
-	-@mkdir $(INCPATH) $(LIBPATH)
-	cp png.h pngconf.h $(INCPATH)
-	chmod 644 $(INCPATH)/png.h $(INCPATH)/pngconf.h
-	cp libpng.a libpng.so.$(PNGVER) $(LIBPATH)
-	chmod 755 $(LIBPATH)/libpng.so.$(PNGVER)
-	-@/bin/rm -f $(LIBPATH)/libpng.so.$(PNGMAJ) $(LIBPATH)/libpng.so
-	(cd $(LIBPATH); ln -f -s libpng.so.$(PNGVER) libpng.so.$(PNGMAJ); \
-	 ln -f -s libpng.so.$(PNGMAJ) libpng.so)
+install-headers: png.h pngconf.h
+	-@if [ ! -d $(INCPATH) ]; then mkdir $(INCPATH); fi
+	-@if [ ! -d $(INCPATH)/$(LIBNAME) ]; then mkdir $(INCPATH)/$(LIBNAME); fi
+	cp png.h pngconf.h $(INCPATH)/$(LIBNAME)
+	chmod 644 $(INCPATH)/$(LIBNAME)/png.h $(INCPATH)/$(LIBNAME)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/png.h $(INCPATH)/pngconf.h
+	-@/bin/rm -f $(INCPATH)/libpng
+	ln -f -s $(INCPATH)/$(LIBNAME) $(INCPATH)/libpng
+
+install-static: install-headers libpng.a
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	cp libpng.a $(LIBPATH)/$(LIBNAME).a
+	chmod 644 $(LIBPATH)/$(LIBNAME).a
+	-@/bin/rm -f $(LIBPATH)/libpng.a
+	ln -f -s $(LIBPATH)/$(LIBNAME).a $(LIBPATH)/libpng.a
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER)
+	-@if [ ! -d $(LIBPATH) ]; then mkdir $(LIBPATH); fi
+	-@/bin/rm -f $(LIBPATH)/$(LIBNAME).so.$(PNGMAJ)* $(LIBPATH)/$(LIBNAME).so
+	-@/bin/rm -f $(LIBPATH)/libpng.so
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2
+	-@/bin/rm -f $(LIBPATH)/libpng.so.2.*
+	cp $(LIBNAME).so.$(PNGVER) $(LIBPATH)
+	chmod 755 $(LIBPATH)/$(LIBNAME).so.$(PNGVER)
+	(cd $(LIBPATH); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) libpng.so.2.$(PNGMIN); \
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so; \
+	ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ))
+	-@if [ ! -d $(LIBPATH)/pkgconfig ]; then mkdir $(LIBPATH)/pkgconfig; fi
+	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+	cp libpng.pc $(LIBPATH)/pkgconfig/libpng10.pc
+	chmod 644 $(LIBPATH)/pkgconfig/libpng10.pc
+
+install: install-static install-shared

 clean:
-	/bin/rm -f *.o libpng.a libpng.so* pngtest pngout.png
+	/bin/rm -f *.o libpng.a $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+	pngtest pngout.png

 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 writelock:
--- a/scripts/makefile.std
+++ b/scripts/makefile.std
@@ -36,11 +36,14 @@ test: pngtest

 install: libpng.a
 	-@mkdir $(prefix)/include
+	-@mkdir $(prefix)/include/libpng
 	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
+	-@rm -f $(prefix)/include/png.h
+	-@rm -f $(prefix)/include/pngconf.h
+	cp png.h $(prefix)/include/libpng
+	cp pngconf.h $(prefix)/include/libpng
+	chmod 644 $(prefix)/include/libpng/png.h
+	chmod 644 $(prefix)/include/libpng/pngconf.h
 	cp libpng.a $(prefix)/lib
 	chmod 644 $(prefix)/lib/libpng.a

--- a/scripts/makefile.sunos
+++ b/scripts/makefile.sunos
@@ -40,11 +40,14 @@ test: pngtest

 install: libpng.a
 	-@mkdir $(prefix)/include
+	-@mkdir $(prefix)/include/libpng
 	-@mkdir $(prefix)/lib
-	cp png.h $(prefix)/include
-	cp pngconf.h $(prefix)/include
-	chmod 644 $(prefix)/include/png.h
-	chmod 644 $(prefix)/include/pngconf.h
+	-@rm -f $(prefix)/include/png.h
+	-@rm -f $(prefix)/include/pngconf.h
+	cp png.h $(prefix)/include/libpng
+	cp pngconf.h $(prefix)/include/libpng
+	chmod 644 $(prefix)/include/libpng/png.h
+	chmod 644 $(prefix)/include/libpng/pngconf.h
 	cp libpng.a $(prefix)/lib
 	chmod 644 $(prefix)/lib/libpng.a

--- a/scripts/pngdef.pas
+++ b/scripts/pngdef.pas
@@ -1,14 +1,14 @@
 unit pngdef;

 // Caution: this file has fallen out of date since version 1.0.5.  Write to
-// png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu about bringing
-// it up to date.
+// png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu about volunteering
+// to it up to date.

 interface

 const
-  PNG_LIBPNG_VER_STRING = '1.0.12beta1';
-  PNG_LIBPNG_VER        =  10012;
+  PNG_LIBPNG_VER_STRING = '1.0.13';
+  PNG_LIBPNG_VER        =  10013;

 type
  png_uint_32 = Cardinal;
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
 ; PNG.LIB module definition file for OS/2
 ;----------------------------------------

-; Version 1.0.12beta1
+; Version 1.0.13

 LIBRARY		PNG
 DESCRIPTION	"PNG image compression library for OS/2"
@@ -184,11 +184,22 @@ EXPORTS
  png_convert_to_rfc1123
  png_set_invalid

-;To be added at version 1.2.0
-; png_permit_mng_features
-
-;To be added at version 1.2.0
+; Added at version 1.2.0:
 ; png_mmx_support
+; png_permit_empty_plte
+; png_permit_mng_features
+; png_get_mmx_flagmask
+; png_get_asm_flagmask
+; png_get_asm_flags
+; png_get_mmx_bitdepth_threshold
+; png_get_mmx_rowbytes_threshold
+; png_set_asm_flags
+; png_init_mmx_flags
+
+; Added at version 1.2.2:
+  png_zalloc
+  png_zfree
+  png_handle_as_unknown

 ; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
  png_libpng_ver