src/png/scripts/makefile.gcmmx

# makefile for libpng.a and libpng12.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 = libpng12
PNGMAJ = 0
PNGMIN = 1.2.4
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.

# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
### for generic gcc:
CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall \
	-O3 $(ALIGN) -funroll-loops \
	-fomit-frame-pointer  # $(WARNMORE) -g -DPNG_DEBUG=5
### for gcc 2.95.2 on 686:
#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
#	-mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
#	$(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
### for gcc 2.7.2.3 on 486 and up:
#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(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) -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 pnggccrd.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=\"$(prefix)\"; \
	echo cppflags=\"-I$(INCPATH)/$(LIBNAME) -DPNG_THREAD_UNSAFE_OK \
	   -DPNG_USE_PNGGCCRD\"; \
	echo cflags=\"\"; \
	echo ldflags=\"-L$(LIBPATH) -Wl,-rpath,$(LIBPATH)\"; \
	echo libs=\"-lpng12 -lz -lm\"; \
	cat scripts/libpng-config-body.in ) > libpng-config
	chmod +x libpng-config

pnggccrd.o:	pnggccrd.c png.h pngconf.h
	$(CC) -c $(CFLAGS) -o $@ $*.c

pnggccrd.pic.o:	pnggccrd.c png.h pngconf.h
	$(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c

$(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) \
	$(OBJSDLL) -L$(ZLIBLIB) -lz -lm -lc

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

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

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

DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
	chmod a-w *.[ch35] $(DOCS) scripts/*

png.o png.pic.o:		png.h pngconf.h png.c
pngerror.o pngerror.pic.o:	png.h pngconf.h pngerror.c
pngrio.o pngrio.pic.o:		png.h pngconf.h pngrio.c
pngwio.o pngwio.pic.o:		png.h pngconf.h pngwio.c
pngmem.o pngmem.pic.o:		png.h pngconf.h pngmem.c
pngset.o pngset.pic.o:		png.h pngconf.h pngset.c
pngget.o pngget.pic.o:		png.h pngconf.h pngget.c
pngread.o pngread.pic.o:	png.h pngconf.h pngread.c
pngrtran.o pngrtran.pic.o:	png.h pngconf.h pngrtran.c
pngrutil.o pngrutil.pic.o:	png.h pngconf.h pngrutil.c
pngtrans.o pngtrans.pic.o:	png.h pngconf.h pngtrans.c
pngwrite.o pngwrite.pic.o:	png.h pngconf.h pngwrite.c
pngwtran.o pngwtran.pic.o:	png.h pngconf.h pngwtran.c
pngwutil.o pngwutil.pic.o:	png.h pngconf.h pngwutil.c
pngpread.o pngpread.pic.o:	png.h pngconf.h pngpread.c

pngtest.o:			png.h pngconf.h pngtest.c
Commit	Line	Data
	1	# makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX
	2	# assembler code
	3	# Copyright 2002 Greg Roelofs and Glenn Randers-Pehrson
	4	# Copyright 1998-2001 Greg Roelofs
	5	# Copyright 1996-1997 Andreas Dilger
	6	# For conditions of distribution and use, see copyright notice in png.h
	7
	8	# CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.
	9
	10	# WARNING: The assembler code in pnggccrd.c may not be thread safe.
	11
	12	# NOTE: When testing MMX performance on a multitasking system, make sure
	13	# there are no floating-point programs (e.g., SETI@Home) running in
	14	# the background! Context switches between MMX and FPU are expensive.
	15
	16	LIBNAME = libpng12
	17	PNGMAJ = 0
	18	PNGMIN = 1.2.4
	19	PNGVER = $(PNGMAJ).$(PNGMIN)
	20
	21	CC=gcc
	22
	23	# where "make install" puts libpng12.a, libpng12.so*,
	24	# libpng12/png.h and libpng12/pngconf.h
	25	# Prefix must be a full pathname.
	26	prefix=/usr/local
	27
	28	# Where the zlib library and include files are located.
	29	#ZLIBLIB=/usr/local/lib
	30	#ZLIBINC=/usr/local/include
	31	ZLIBLIB=../zlib
	32	ZLIBINC=../zlib
	33
	34	ALIGN=
	35	# for i386:
	36	#ALIGN=-malign-loops=2 -malign-functions=2
	37
	38	WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
	39	-Wmissing-declarations -Wtraditional -Wcast-align \
	40	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
	41
	42	# for pgcc version 2.95.1, -O3 is buggy; don't use it.
	43
	44	# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
	45	### for generic gcc:
	46	CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall \
	47	-O3 $(ALIGN) -funroll-loops \
	48	-fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5
	49	### for gcc 2.95.2 on 686:
	50	#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
	51	# -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
	52	# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
	53	### for gcc 2.7.2.3 on 486 and up:
	54	#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
	55	# -m486 -malign-double -ffast-math \
	56	# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
	57
	58	LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
	59	LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
	60
	61	RANLIB=ranlib
	62	#RANLIB=echo
	63
	64	INCPATH=$(prefix)/include
	65	LIBPATH=$(prefix)/lib
	66	MANPATH=$(prefix)/man
	67	BINPATH=$(prefix)/bin
	68
	69	# override DESTDIR= on the make install command line to easily support
	70	# installing into a temporary location. Example:
	71	#
	72	# make install DESTDIR=/tmp/build/libpng
	73	#
	74	# If you're going to install into a temporary location
	75	# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
	76	# you execute make install.
	77	DESTDIR=
	78
	79	DB=$(DESTDIR)$(BINPATH)
	80	DI=$(DESTDIR)$(INCPATH)
	81	DL=$(DESTDIR)$(LIBPATH)
	82	DM=$(DESTDIR)$(MANPATH)
	83
	84	OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
	85	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
	86	pngwtran.o pngmem.o pngerror.o pngpread.o pnggccrd.o
	87
	88	OBJSDLL = $(OBJS:.o=.pic.o)
	89
	90	.SUFFIXES: .c .o .pic.o
	91
	92	.c.pic.o:
	93	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
	94
	95	all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config
	96
	97	libpng.a: $(OBJS)
	98	ar rc $@ $(OBJS)
	99	$(RANLIB) $@
	100
	101	libpng.pc:
	102	cat scripts/libpng.pc.in \| sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
	103
	104	libpng-config:
	105	( cat scripts/libpng-config-head.in; \
	106	echo prefix=\"$(prefix)\"; \
	107	echo cppflags=\"-I$(INCPATH)/$(LIBNAME) -DPNG_THREAD_UNSAFE_OK \
	108	-DPNG_USE_PNGGCCRD\"; \
	109	echo cflags=\"\"; \
	110	echo ldflags=\"-L$(LIBPATH) -Wl,-rpath,$(LIBPATH)\"; \
	111	echo libs=\"-lpng12 -lz -lm\"; \
	112	cat scripts/libpng-config-body.in ) > libpng-config
	113	chmod +x libpng-config
	114
	115	pnggccrd.o: pnggccrd.c png.h pngconf.h
	116	$(CC) -c $(CFLAGS) -o $@ $*.c
	117
	118	pnggccrd.pic.o: pnggccrd.c png.h pngconf.h
	119	$(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c
	120
	121	$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
	122	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
	123
	124	$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
	125	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
	126
	127	$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
	128	$(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
	129	-o $(LIBNAME).so.$(PNGVER) \
	130	$(OBJSDLL) -L$(ZLIBLIB) -lz -lm -lc
	131
	132	pngtest: pngtest.o $(LIBNAME).so
	133	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
	134
	135	pngtest-static: pngtest.o libpng.a
	136	$(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
	137
	138	test: pngtest pngtest-static
	139	@echo ""
	140	@echo " Running pngtest dynamically linked with $(LIBNAME).so:"
	141	@echo ""
	142	./pngtest
	143	@echo ""
	144	@echo " Running pngtest statically linked with libpng.a:"
	145	@echo ""
	146	./pngtest-static
	147
	148	install-headers: png.h pngconf.h
	149	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
	150	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
	151	cp png.h pngconf.h $(DI)/$(LIBNAME)
	152	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
	153	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
	154	-@/bin/rm -f $(DI)/libpng
	155	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
	156
	157	install-static: install-headers libpng.a
	158	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
	159	cp libpng.a $(DL)/$(LIBNAME).a
	160	chmod 644 $(DL)/$(LIBNAME).a
	161	-@/bin/rm -f $(DL)/libpng.a
	162	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
	163
	164	install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc
	165	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
	166	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)* $(DL)/$(LIBNAME).so
	167	-@/bin/rm -f $(DL)/libpng.so
	168	-@/bin/rm -f $(DL)/libpng.so.3
	169	-@/bin/rm -f $(DL)/libpng.so.3.*
	170	cp $(LIBNAME).so.$(PNGVER) $(DL)
	171	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
	172	(cd $(DL); \
	173	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so; \
	174	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3; \
	175	ln -sf $(LIBNAME).so.$(PNGVER) libpng.so.3.$(PNGMIN); \
	176	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
	177	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
	178	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
	179	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
	180	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
	181	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
	182	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
	183	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
	184
	185	install-man: libpng.3 libpngpf.3 png.5
	186	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
	187	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
	188	-@/bin/rm -f $(DM)/man3/libpng.3
	189	-@/bin/rm -f $(DM)/man3/libpngpf.3
	190	cp libpng.3 $(DM)/man3
	191	cp libpngpf.3 $(DM)/man3
	192	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
	193	-@/bin/rm -f $(DM)/man5/png.5
	194	cp png.5 $(DM)/man5
	195
	196	install-config: libpng-config
	197	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
	198	-@/bin/rm -f $(DB)/libpng-config
	199	-@/bin/rm -f $(DB)/$(LIBNAME)-config
	200	cp libpng-config $(DB)/$(LIBNAME)-config
	201	chmod 755 $(DB)/$(LIBNAME)-config
	202	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
	203
	204	install: install-static install-shared install-man install-config
	205
	206	# If you installed in $(DESTDIR), test-installed won't work until you
	207	# move the library to its final location.
	208
	209	test-installed:
	210	$(CC) -I$(ZLIBINC) \
	211	`$(BINPATH)/libpng12-config --cppflags --cflags` pngtest.c \
	212	-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
	213	-o pngtesti `$(BINPATH)/libpng12-config --ldflags --libs`
	214	./pngtesti pngtest.png
	215
	216	clean:
	217	/bin/rm -f *.o libpng.a pngtest pngout.png libpng.pc libpng-config \
	218	$(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti
	219
	220	DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
	221	writelock:
	222	chmod a-w .[ch35] $(DOCS) scripts/
	223
	224	png.o png.pic.o: png.h pngconf.h png.c
	225	pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
	226	pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
	227	pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
	228	pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
	229	pngset.o pngset.pic.o: png.h pngconf.h pngset.c
	230	pngget.o pngget.pic.o: png.h pngconf.h pngget.c
	231	pngread.o pngread.pic.o: png.h pngconf.h pngread.c
	232	pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
	233	pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
	234	pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
	235	pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
	236	pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
	237	pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
	238	pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
	239
	240	pngtest.o: png.h pngconf.h pngtest.c