[wxWidgets.git] / src / png / scripts / makefile.linux

# makefile for libpng.a and libpng12.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 = libpng12
PNGMAJ = 0
PNGMIN = 1.2.7
PNGVER = $(PNGMAJ).$(PNGMIN)

CC=gcc

# where "make install" puts libpng12.a, libpng12.so*,
# libpng12/png.h and libpng12/pngconf.h
# Prefix must be a full pathname.
prefix=/usr/local

# Where the zlib library and include files are located.
#ZLIBLIB=/usr/local/lib
#ZLIBINC=/usr/local/include
ZLIBLIB=../zlib
ZLIBINC=../zlib

ALIGN=
# for i386:
#ALIGN=-malign-loops=2 -malign-functions=2

WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
	-Wmissing-declarations -Wtraditional -Wcast-align \
	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion

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

CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5

LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm

RANLIB=ranlib
#RANLIB=echo

INCPATH=$(prefix)/include
LIBPATH=$(prefix)/lib
MANPATH=$(prefix)/man
BINPATH=$(prefix)/bin

# 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, $(DESTDIR)$(prefix) must already exist before
# 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

OBJSDLL = $(OBJS:.o=.pic.o)

.SUFFIXES:      .c .o .pic.o

.c.pic.o:
	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c

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

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

libpng.pc:
	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc

libpng-config:
	( cat scripts/libpng-config-head.in; \
	echo prefix=\"$(prefix)\"; \
	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
	echo L_opts=\"-L$(LIBPATH)\"; \
	echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
	echo libs=\"-lpng12 -lz -lm\"; \
	cat scripts/libpng-config-body.in ) > libpng-config
	chmod +x libpng-config

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

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

$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
	$(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
	-o $(LIBNAME).so.$(PNGVER) \
	$(OBJSDLL)

libpng.so.3.$(PNGMIN): $(OBJSDLL)
	$(CC) -shared -Wl,-soname,libpng.so.3 \
	-o libpng.so.3.$(PNGMIN) \
	$(OBJSDLL)

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

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

test: pngtest pngtest-static
	@echo ""
	@echo "   Running pngtest dynamically linked with $(LIBNAME).so:"
	@echo ""
	./pngtest
	@echo ""
	@echo "   Running pngtest statically linked with libpng.a:"
	@echo ""
	./pngtest-static

install-headers: png.h pngconf.h
	-@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 $(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 \
	libpng.so.3.$(PNGMIN)
	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)
	-@/bin/rm -f $(DL)/libpng.so
	-@/bin/rm -f $(DL)/libpng.so.3
	-@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
	cp $(LIBNAME).so.$(PNGVER) $(DL)
	cp libpng.so.3.$(PNGMIN) $(DL)
	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
	chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
	(cd $(DL); \
	ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
	ln -sf libpng.so.3 libpng.so; \
	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
	-@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 $(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 $(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

# If you installed in $(DESTDIR), test-installed won't work until you
# move the library to its final location.  Use test-dd to test it
# before then.

test-dd:
	echo
	echo Testing installed dynamic shared library in $(DL).
	$(CC) -I$(DI) -I$(ZLIBINC) \
	   `$(BINPATH)/libpng12-config --cflags` pngtest.c \
	   -L$(DL) -L$(ZLIBLIB) -W1, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
	   -o pngtestd `$(BINPATH)/libpng12-config --ldflags`
	./pngtestd pngtest.png

test-installed:
	$(CC) -I$(ZLIBINC) \
	   `$(BINPATH)/libpng12-config --cflags` pngtest.c \
	   -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
	   -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
	./pngtesti pngtest.png

clean:
	/bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
	$(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
	libpng.so.3.$(PNGMIN) \
	libpng.pc

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
Commit	Line	Data
c6b71bff GD	1	# makefile for libpng.a and libpng12.so on Linux ELF with gcc
	2	# Copyright (C) 1998, 1999, 2002 Greg Roelofs and Glenn Randers-Pehrson
	3	# Copyright (C) 1996, 1997 Andreas Dilger
	4	# For conditions of distribution and use, see copyright notice in png.h
	5
	6	LIBNAME = libpng12
	7	PNGMAJ = 0
880c38ba	8	PNGMIN = 1.2.7
c6b71bff GD	9	PNGVER = $(PNGMAJ).$(PNGMIN)
	10
	11	CC=gcc
	12
	13	# where "make install" puts libpng12.a, libpng12.so*,
	14	# libpng12/png.h and libpng12/pngconf.h
	15	# Prefix must be a full pathname.
	16	prefix=/usr/local
	17
	18	# Where the zlib library and include files are located.
	19	#ZLIBLIB=/usr/local/lib
	20	#ZLIBINC=/usr/local/include
	21	ZLIBLIB=../zlib
	22	ZLIBINC=../zlib
	23
	24	ALIGN=
	25	# for i386:
	26	#ALIGN=-malign-loops=2 -malign-functions=2
	27
	28	WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
	29	-Wmissing-declarations -Wtraditional -Wcast-align \
	30	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
	31
	32	# for pgcc version 2.95.1, -O3 is buggy; don't use it.
	33
	34	CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
	35	$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
	36
	37	LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
	38	LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
	39
	40	RANLIB=ranlib
	41	#RANLIB=echo
	42
	43	INCPATH=$(prefix)/include
	44	LIBPATH=$(prefix)/lib
	45	MANPATH=$(prefix)/man
	46	BINPATH=$(prefix)/bin
	47
	48	# override DESTDIR= on the make install command line to easily support
	49	# installing into a temporary location. Example:
	50	#
	51	# make install DESTDIR=/tmp/build/libpng
	52	#
	53	# If you're going to install into a temporary location
	54	# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
	55	# you execute make install.
	56	DESTDIR=
	57
	58	DB=$(DESTDIR)$(BINPATH)
	59	DI=$(DESTDIR)$(INCPATH)
	60	DL=$(DESTDIR)$(LIBPATH)
	61	DM=$(DESTDIR)$(MANPATH)
	62
	63	OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
	64	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
	65	pngwtran.o pngmem.o pngerror.o pngpread.o
	66
	67	OBJSDLL = $(OBJS:.o=.pic.o)
	68
	69	.SUFFIXES: .c .o .pic.o
	70
	71	.c.pic.o:
	72	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
73
74	all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config
75
76	libpng.a: $(OBJS)
77	ar rc $@ $(OBJS)
78	$(RANLIB) $@
79
80	libpng.pc:
81	cat scripts/libpng.pc.in \| sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
82
83	libpng-config:
84	( cat scripts/libpng-config-head.in; \
85	echo prefix=\"$(prefix)\"; \
3d11a79a VS	86	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
	87	echo L_opts=\"-L$(LIBPATH)\"; \
	88	echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
c6b71bff GD	89	echo libs=\"-lpng12 -lz -lm\"; \
	90	cat scripts/libpng-config-body.in ) > libpng-config
	91	chmod +x libpng-config
	92
	93	$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
	94	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
	95
	96	$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
	97	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
	98
	99	$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
	100	$(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
	101	-o $(LIBNAME).so.$(PNGVER) \
3d11a79a VS	102	$(OBJSDLL)
	103
	104	libpng.so.3.$(PNGMIN): $(OBJSDLL)
	105	$(CC) -shared -Wl,-soname,libpng.so.3 \
	106	-o libpng.so.3.$(PNGMIN) \
	107	$(OBJSDLL)
c6b71bff GD	108
	109	pngtest: pngtest.o $(LIBNAME).so
	110	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
	111
	112	pngtest-static: pngtest.o libpng.a
	113	$(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
	114
	115	test: pngtest pngtest-static
	116	@echo ""
	117	@echo " Running pngtest dynamically linked with $(LIBNAME).so:"
	118	@echo ""
	119	./pngtest
	120	@echo ""
	121	@echo " Running pngtest statically linked with libpng.a:"
	122	@echo ""
	123	./pngtest-static
	124
	125	install-headers: png.h pngconf.h
	126	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
	127	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
	128	cp png.h pngconf.h $(DI)/$(LIBNAME)
	129	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
	130	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
	131	-@/bin/rm -f $(DI)/libpng
	132	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
	133
	134	install-static: install-headers libpng.a
	135	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
	136	cp libpng.a $(DL)/$(LIBNAME).a
	137	chmod 644 $(DL)/$(LIBNAME).a
	138	-@/bin/rm -f $(DL)/libpng.a
	139	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
	140
3d11a79a VS	141	install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
3d11a79a VS	142	libpng.so.3.$(PNGMIN)
c6b71bff	143	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
3d11a79a VS	144	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
3d11a79a VS	145	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)
c6b71bff GD	146	-@/bin/rm -f $(DL)/libpng.so
c6b71bff GD	147	-@/bin/rm -f $(DL)/libpng.so.3
3d11a79a	148	-@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
c6b71bff	149	cp $(LIBNAME).so.$(PNGVER) $(DL)
3d11a79a	150	cp libpng.so.3.$(PNGMIN) $(DL)
c6b71bff	151	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
3d11a79a	152	chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
c6b71bff	153	(cd $(DL); \
3d11a79a VS	154	ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
3d11a79a VS	155	ln -sf libpng.so.3 libpng.so; \
c6b71bff GD	156	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
	157	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
	158	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
	159	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
	160	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
	161	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
	162	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
	163	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
	164
	165	install-man: libpng.3 libpngpf.3 png.5
	166	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
	167	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
	168	-@/bin/rm -f $(DM)/man3/libpng.3
	169	-@/bin/rm -f $(DM)/man3/libpngpf.3
	170	cp libpng.3 $(DM)/man3
	171	cp libpngpf.3 $(DM)/man3
	172	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
	173	-@/bin/rm -f $(DM)/man5/png.5
	174	cp png.5 $(DM)/man5
	175
	176	install-config: libpng-config
	177	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
	178	-@/bin/rm -f $(DB)/libpng-config
	179	-@/bin/rm -f $(DB)/$(LIBNAME)-config
	180	cp libpng-config $(DB)/$(LIBNAME)-config
	181	chmod 755 $(DB)/$(LIBNAME)-config
	182	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
	183
	184	install: install-static install-shared install-man install-config
	185
	186	# If you installed in $(DESTDIR), test-installed won't work until you
880c38ba VS	187	# move the library to its final location. Use test-dd to test it
	188	# before then.
	189
	190	test-dd:
	191	echo
	192	echo Testing installed dynamic shared library in $(DL).
	193	$(CC) -I$(DI) -I$(ZLIBINC) \
	194	`$(BINPATH)/libpng12-config --cflags` pngtest.c \
	195	-L$(DL) -L$(ZLIBLIB) -W1, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
	196	-o pngtestd `$(BINPATH)/libpng12-config --ldflags`
	197	./pngtestd pngtest.png
c6b71bff GD	198
	199	test-installed:
	200	$(CC) -I$(ZLIBINC) \
3d11a79a	201	`$(BINPATH)/libpng12-config --cflags` pngtest.c \
c6b71bff	202	-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
3d11a79a	203	-o pngtesti `$(BINPATH)/libpng12-config --ldflags`
c6b71bff GD	204	./pngtesti pngtest.png
	205
	206	clean:
3d11a79a VS	207	/bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
	208	$(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
	209	libpng.so.3.$(PNGMIN) \
	210	libpng.pc
c6b71bff GD	211
	212	DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
	213	writelock:
	214	chmod a-w .[ch35] $(DOCS) scripts/
	215
	216	# DO NOT DELETE THIS LINE -- make depend depends on it.
	217
	218	png.o png.pic.o: png.h pngconf.h
	219	pngerror.o pngerror.pic.o: png.h pngconf.h
	220	pngrio.o pngrio.pic.o: png.h pngconf.h
	221	pngwio.o pngwio.pic.o: png.h pngconf.h
	222	pngmem.o pngmem.pic.o: png.h pngconf.h
	223	pngset.o pngset.pic.o: png.h pngconf.h
	224	pngget.o pngget.pic.o: png.h pngconf.h
	225	pngread.o pngread.pic.o: png.h pngconf.h
	226	pngrtran.o pngrtran.pic.o: png.h pngconf.h
	227	pngrutil.o pngrutil.pic.o: png.h pngconf.h
	228	pngtrans.o pngtrans.pic.o: png.h pngconf.h
	229	pngwrite.o pngwrite.pic.o: png.h pngconf.h
	230	pngwtran.o pngwtran.pic.o: png.h pngconf.h
	231	pngwutil.o pngwutil.pic.o: png.h pngconf.h
	232	pngpread.o pngpread.pic.o: png.h pngconf.h
	233
	234	pngtest.o: png.h pngconf.h