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
16LIBNAME = libpng12
17PNGMAJ = 0
18PNGMIN = 1.2.7
19PNGVER = $(PNGMAJ).$(PNGMIN)
20
21CC=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.
26prefix=/usr/local
27
28# Where the zlib library and include files are located.
29#ZLIBLIB=/usr/local/lib
30#ZLIBINC=/usr/local/include
31ZLIBLIB=../zlib
32ZLIBINC=../zlib
33
34ALIGN=
35# for i386:
36#ALIGN=-malign-loops=2 -malign-functions=2
37
38WARNMORE=-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:
46CFLAGS=-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#	$(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
57
58LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
59LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
60
61RANLIB=ranlib
62#RANLIB=echo
63
64INCPATH=$(prefix)/include
65LIBPATH=$(prefix)/lib
66MANPATH=$(prefix)/man
67BINPATH=$(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.
77DESTDIR=
78
79DB=$(DESTDIR)$(BINPATH)
80DI=$(DESTDIR)$(INCPATH)
81DL=$(DESTDIR)$(LIBPATH)
82DM=$(DESTDIR)$(MANPATH)
83
84OBJS = 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
88OBJSDLL = $(OBJS:.o=.pic.o)
89
90.SUFFIXES:      .c .o .pic.o
91
92.c.pic.o:
93	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
94
95all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config
96
97libpng.a: $(OBJS)
98	ar rc $@ $(OBJS)
99	$(RANLIB) $@
100
101libpng.pc:
102	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
103
104libpng-config:
105	( cat scripts/libpng-config-head.in; \
106	echo prefix=\"$(prefix)\"; \
107	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
108	echo cppflags=\"-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD\"; \
109	echo L_opts=\"-L$(LIBPATH)\"; \
110	echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
111	echo libs=\"-lpng12 -lz -lm\"; \
112	cat scripts/libpng-config-body.in ) > libpng-config
113	chmod +x libpng-config
114
115pnggccrd.o:	pnggccrd.c png.h pngconf.h
116	$(CC) -c $(CFLAGS) -o $@ $*.c
117
118pnggccrd.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	$(OBJSDLL)
131
132libpng.so.3.$(PNGMIN): $(OBJSDLL)
133	$(CC) -shared -Wl,-soname,libpng.so.3 \
134	-o libpng.so.3.$(PNGMIN) \
135	$(OBJSDLL)
136
137pngtest: pngtest.o $(LIBNAME).so
138	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
139
140pngtest-static: pngtest.o libpng.a
141	$(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
142
143test: pngtest pngtest-static
144	@echo ""
145	@echo "   Running pngtest dynamically linked with $(LIBNAME).so:"
146	@echo ""
147	./pngtest
148	@echo ""
149	@echo "   Running pngtest statically linked with libpng.a:"
150	@echo ""
151	./pngtest-static
152
153install-headers: png.h pngconf.h
154	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
155	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
156	cp png.h pngconf.h $(DI)/$(LIBNAME)
157	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
158	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
159	-@/bin/rm -f $(DI)/libpng
160	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
161
162install-static: install-headers libpng.a
163	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
164	cp libpng.a $(DL)/$(LIBNAME).a
165	chmod 644 $(DL)/$(LIBNAME).a
166	-@/bin/rm -f $(DL)/libpng.a
167	(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
168
169install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
170	libpng.so.3.$(PNGMIN)
171	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
172	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
173	-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)
174	-@/bin/rm -f $(DL)/libpng.so
175	-@/bin/rm -f $(DL)/libpng.so.3
176	-@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
177	cp $(LIBNAME).so.$(PNGVER) $(DL)
178	cp libpng.so.3.$(PNGMIN) $(DL)
179	chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
180	chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
181	(cd $(DL); \
182	ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
183	ln -sf libpng.so.3 libpng.so; \
184	ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
185	ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
186	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
187	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
188	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
189	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
190	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
191	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
192
193install-man: libpng.3 libpngpf.3 png.5
194	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
195	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
196	-@/bin/rm -f $(DM)/man3/libpng.3
197	-@/bin/rm -f $(DM)/man3/libpngpf.3
198	cp libpng.3 $(DM)/man3
199	cp libpngpf.3 $(DM)/man3
200	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
201	-@/bin/rm -f $(DM)/man5/png.5
202	cp png.5 $(DM)/man5
203
204install-config: libpng-config
205	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
206	-@/bin/rm -f $(DB)/libpng-config
207	-@/bin/rm -f $(DB)/$(LIBNAME)-config
208	cp libpng-config $(DB)/$(LIBNAME)-config
209	chmod 755 $(DB)/$(LIBNAME)-config
210	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
211
212install: install-static install-shared install-man install-config
213
214# If you installed in $(DESTDIR), test-installed won't work until you
215# move the library to its final location.  Use test-dd to test it
216# before then.
217
218test-dd:
219	echo
220	echo Testing installed dynamic shared library in $(DL).
221	$(CC) -I$(DI) -I$(ZLIBINC) \
222	   `$(BINPATH)/libpng12-config --cflags` pngtest.c \
223	   -L$(DL) -L$(ZLIBLIB) -W1, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
224	   -o pngtestd `$(BINPATH)/libpng12-config --ldflags`
225	./pngtestd pngtest.png
226
227test-installed:
228	$(CC) -I$(ZLIBINC) \
229	   `$(BINPATH)/libpng12-config --cflags` pngtest.c \
230	   -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
231	   -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
232	./pngtesti pngtest.png
233
234clean:
235	/bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
236	$(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
237	libpng.so.3.$(PNGMIN) \
238	libpng.pc
239
240DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
241writelock:
242	chmod a-w *.[ch35] $(DOCS) scripts/*
243
244png.o png.pic.o:		png.h pngconf.h png.c
245pngerror.o pngerror.pic.o:	png.h pngconf.h pngerror.c
246pngrio.o pngrio.pic.o:		png.h pngconf.h pngrio.c
247pngwio.o pngwio.pic.o:		png.h pngconf.h pngwio.c
248pngmem.o pngmem.pic.o:		png.h pngconf.h pngmem.c
249pngset.o pngset.pic.o:		png.h pngconf.h pngset.c
250pngget.o pngget.pic.o:		png.h pngconf.h pngget.c
251pngread.o pngread.pic.o:	png.h pngconf.h pngread.c
252pngrtran.o pngrtran.pic.o:	png.h pngconf.h pngrtran.c
253pngrutil.o pngrutil.pic.o:	png.h pngconf.h pngrutil.c
254pngtrans.o pngtrans.pic.o:	png.h pngconf.h pngtrans.c
255pngwrite.o pngwrite.pic.o:	png.h pngconf.h pngwrite.c
256pngwtran.o pngwtran.pic.o:	png.h pngconf.h pngwtran.c
257pngwutil.o pngwutil.pic.o:	png.h pngconf.h pngwutil.c
258pngpread.o pngpread.pic.o:	png.h pngconf.h pngpread.c
259
260pngtest.o:			png.h pngconf.h pngtest.c
261