1 # makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX
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
8 # CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.
10 # WARNING: The assembler code in pnggccrd.c may not be thread safe.
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.
19 PNGVER = $(PNGMAJ).$(PNGMIN)
23 # where "make install" puts libpng12.a, libpng12.so*,
24 # libpng12/png.h and libpng12/pngconf.h
25 # Prefix must be a full pathname.
28 # Where the zlib library and include files are located.
29 #ZLIBLIB=/usr/local/lib
30 #ZLIBINC=/usr/local/include
36 #ALIGN=-malign-loops=2 -malign-functions=2
38 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
39 -Wmissing-declarations -Wtraditional -Wcast-align \
40 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
42 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
44 # Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
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 # $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
58 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
59 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
64 INCPATH=$(prefix)/include
69 # override DESTDIR= on the make install command line to easily support
70 # installing into a temporary location. Example:
72 # make install DESTDIR=/tmp/build/libpng
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.
79 DB=$(DESTDIR)$(BINPATH)
80 DI=$(DESTDIR)$(INCPATH)
81 DL=$(DESTDIR)$(LIBPATH)
82 DM=$(DESTDIR)$(MANPATH)
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
88 OBJSDLL = $(OBJS:.o=.pic.o)
90 .SUFFIXES: .c .o .pic.o
93 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
95 all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config
102 cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
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
115 pnggccrd.o: pnggccrd.c png.h pngconf.h
116 $(CC) -c $(CFLAGS) -o $@ $*.c
118 pnggccrd.pic.o: pnggccrd.c png.h pngconf.h
119 $(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c
121 $(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
122 ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
124 $(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
125 ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
127 $(LIBNAME).so.$(PNGVER): $(OBJSDLL)
128 $(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
129 -o $(LIBNAME).so.$(PNGVER) \
132 libpng.so.3.$(PNGMIN): $(OBJSDLL)
133 $(CC) -shared -Wl,-soname,libpng.so.3 \
134 -o libpng.so.3.$(PNGMIN) \
137 pngtest: pngtest.o $(LIBNAME).so
138 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
140 pngtest-static: pngtest.o libpng.a
141 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
143 test: pngtest pngtest-static
145 @echo " Running pngtest dynamically linked with $(LIBNAME).so:"
149 @echo " Running pngtest statically linked with libpng.a:"
153 install-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)/* .)
162 install-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)
169 install-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)/libpng.so
174 -@/bin/rm -f $(DL)/libpng.so.3
175 -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
176 cp $(LIBNAME).so.$(PNGVER) $(DL)
177 cp libpng.so.3.$(PNGMIN) $(DL)
178 chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
179 chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
181 ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
182 ln -sf libpng.so.3 libpng.so; \
183 ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
184 ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
185 -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
186 -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
187 -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
188 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
189 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
190 (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
192 install-man: libpng.3 libpngpf.3 png.5
193 -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
194 -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
195 -@/bin/rm -f $(DM)/man3/libpng.3
196 -@/bin/rm -f $(DM)/man3/libpngpf.3
197 cp libpng.3 $(DM)/man3
198 cp libpngpf.3 $(DM)/man3
199 -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
200 -@/bin/rm -f $(DM)/man5/png.5
203 install-config: libpng-config
204 -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
205 -@/bin/rm -f $(DB)/libpng-config
206 -@/bin/rm -f $(DB)/$(LIBNAME)-config
207 cp libpng-config $(DB)/$(LIBNAME)-config
208 chmod 755 $(DB)/$(LIBNAME)-config
209 (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
211 install: install-static install-shared install-man install-config
213 # If you installed in $(DESTDIR), test-installed won't work until you
214 # move the library to its final location.
218 `$(BINPATH)/libpng12-config --cflags` pngtest.c \
219 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
220 -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
221 ./pngtesti pngtest.png
224 /bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
225 $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
226 libpng.so.3.$(PNGMIN) \
229 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
231 chmod a-w *.[ch35] $(DOCS) scripts/*
233 png.o png.pic.o: png.h pngconf.h png.c
234 pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
235 pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
236 pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
237 pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
238 pngset.o pngset.pic.o: png.h pngconf.h pngset.c
239 pngget.o pngget.pic.o: png.h pngconf.h pngget.c
240 pngread.o pngread.pic.o: png.h pngconf.h pngread.c
241 pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
242 pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
243 pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
244 pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
245 pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
246 pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
247 pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
249 pngtest.o: png.h pngconf.h pngtest.c