1 # makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX
3 # Copyright 2002, 2006, 2008 Greg Roelofs and Glenn Randers-Pehrson
4 # Copyright 1998-2001 Greg Roelofs
5 # Copyright 1996-1997 Andreas Dilger
7 # This code is released under the libpng license.
8 # For conditions of distribution and use, see the disclaimer
11 # CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.
13 # NOTE: When testing MMX performance on a multitasking system, make sure
14 # there are no floating-point programs (e.g., SETI@Home) running in
15 # the background! Context switches between MMX and FPU are expensive.
21 PNGVER = $(PNGMAJ).$(PNGMIN)
23 # Shared library names:
25 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
26 LIBSOVER=$(LIBNAME).so.$(PNGVER)
29 OLDSOVER=libpng.so.3.$(PNGMIN)
40 # where "make install" puts libpng12.a, libpng12.so*,
41 # libpng12/png.h and libpng12/pngconf.h
42 # Prefix must be a full pathname.
46 # Where the zlib library and include files are located.
47 #ZLIBLIB=/usr/local/lib
48 #ZLIBINC=/usr/local/include
54 #ALIGN=-malign-loops=2 -malign-functions=2
56 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
57 -Wmissing-declarations -Wtraditional -Wcast-align \
58 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
60 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
62 # Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
64 CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
65 $(ALIGN) -funroll-loops \
66 -fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5
67 ### for gcc 2.95.2 on 686:
68 #CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
69 # -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
70 # $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
71 ### for gcc 2.7.2.3 on 486 and up:
72 #CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
73 # -m486 -malign-double -ffast-math \
74 # $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
76 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
77 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
80 INCPATH=$(prefix)/include
81 LIBPATH=$(exec_prefix)/lib
83 BINPATH=$(exec_prefix)/bin
85 # override DESTDIR= on the make install command line to easily support
86 # installing into a temporary location. Example:
88 # make install DESTDIR=/tmp/build/libpng
90 # If you're going to install into a temporary location
91 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
92 # you execute make install.
95 DB=$(DESTDIR)$(BINPATH)
96 DI=$(DESTDIR)$(INCPATH)
97 DL=$(DESTDIR)$(LIBPATH)
98 DM=$(DESTDIR)$(MANPATH)
100 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
101 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
102 pngwtran.o pngmem.o pngerror.o pngpread.o
104 OBJSDLL = $(OBJS:.o=.pic.o)
106 .SUFFIXES: .c .o .pic.o
109 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
111 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
118 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
119 -e s!@exec_prefix@!$(exec_prefix)! \
120 -e s!@libdir@!$(LIBPATH)! \
121 -e s!@includedir@!$(INCPATH)! \
122 -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
125 ( cat scripts/libpng-config-head.in; \
126 echo prefix=\"$(prefix)\"; \
127 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
128 echo cppflags=\"-DPNG_THREAD_UNSAFE_OK \"; \
129 echo L_opts=\"-L$(LIBPATH)\"; \
130 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
131 echo libs=\"-lpng12 -lz -lm\"; \
132 cat scripts/libpng-config-body.in ) > libpng-config
133 chmod +x libpng-config
135 $(LIBSO): $(LIBSOMAJ)
136 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
138 $(LIBSOMAJ): $(LIBSOVER)
139 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
141 $(LIBSOVER): $(OBJSDLL)
142 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
146 $(OLDSOVER): $(OBJSDLL)
147 $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
151 pngtest: pngtest.o $(LIBSO)
152 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
154 pngtest-static: pngtest.o libpng.a
155 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
157 test: pngtest pngtest-static
159 @echo " Running pngtest dynamically linked with $(LIBSO):"
163 @echo " Running pngtest statically linked with libpng.a:"
167 install-headers: png.h pngconf.h
168 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
169 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
170 cp png.h pngconf.h $(DI)/$(LIBNAME)
171 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
172 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
173 -@$(RM_F) $(DI)/libpng
174 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
176 install-static: install-headers libpng.a
177 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
178 cp libpng.a $(DL)/$(LIBNAME).a
179 chmod 644 $(DL)/$(LIBNAME).a
180 -@$(RM_F) $(DL)/libpng.a
181 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
183 install-shared: install-headers $(LIBSOVER) libpng.pc \
185 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
186 -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
187 -@$(RM_F) $(DL)/$(LIBSOMAJ)
188 -@$(RM_F) $(DL)/$(OLDSO)
189 -@$(RM_F) $(DL)/$(OLDSOMAJ)
190 -@$(RM_F) $(DL)/$(OLDSOVER)*
193 chmod 755 $(DL)/$(LIBSOVER)
194 chmod 755 $(DL)/$(OLDSOVER)
196 $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
197 $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
198 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
199 $(LN_SF) $(LIBSOMAJ) $(LIBSO))
200 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
201 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
202 -@$(RM_F) $(DL)/pkgconfig/libpng.pc
203 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
204 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
205 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
207 install-man: libpng.3 libpngpf.3 png.5
208 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
209 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
210 -@$(RM_F) $(DM)/man3/libpng.3
211 -@$(RM_F) $(DM)/man3/libpngpf.3
212 cp libpng.3 $(DM)/man3
213 cp libpngpf.3 $(DM)/man3
214 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
215 -@$(RM_F) $(DM)/man5/png.5
218 install-config: libpng-config
219 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
220 -@$(RM_F) $(DB)/libpng-config
221 -@$(RM_F) $(DB)/$(LIBNAME)-config
222 cp libpng-config $(DB)/$(LIBNAME)-config
223 chmod 755 $(DB)/$(LIBNAME)-config
224 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
226 install: install-static install-shared install-man install-config
228 # If you installed in $(DESTDIR), test-installed won't work until you
229 # move the library to its final location. Use test-dd to test it
234 echo Testing installed dynamic shared library in $(DL).
235 $(CC) -I$(DI) -I$(ZLIBINC) \
236 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
237 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
238 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
239 ./pngtestd pngtest.png
243 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
244 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
245 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
246 ./pngtesti pngtest.png
249 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
250 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
254 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
256 chmod a-w *.[ch35] $(DOCS) scripts/*
258 png.o png.pic.o: png.h pngconf.h png.c
259 pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
260 pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
261 pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
262 pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
263 pngset.o pngset.pic.o: png.h pngconf.h pngset.c
264 pngget.o pngget.pic.o: png.h pngconf.h pngget.c
265 pngread.o pngread.pic.o: png.h pngconf.h pngread.c
266 pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
267 pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
268 pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
269 pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
270 pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
271 pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
272 pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
274 pngtest.o: png.h pngconf.h pngtest.c