1 # makefile for libpng.a and libpng12.so on Linux ELF with gcc
2 # Copyright (C) 1998, 1999, 2002, 2006, 2007 Greg Roelofs and
3 # Glenn Randers-Pehrson
4 # Copyright (C) 1996, 1997 Andreas Dilger
5 # For conditions of distribution and use, see copyright notice in png.h
11 PNGVER = $(PNGMAJ).$(PNGMIN)
13 # Shared library names:
15 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
16 LIBSOVER=$(LIBNAME).so.$(PNGVER)
19 OLDSOVER=libpng.so.3.$(PNGMIN)
29 # where "make install" puts libpng12.a, libpng12.so*,
30 # libpng12/png.h and libpng12/pngconf.h
31 # Prefix must be a full pathname.
35 # Where the zlib library and include files are located.
36 #ZLIBLIB=/usr/local/lib
37 #ZLIBINC=/usr/local/include
43 #ALIGN=-malign-loops=2 -malign-functions=2
45 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
46 -Wmissing-declarations -Wtraditional -Wcast-align \
47 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
49 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
51 CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \
52 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
54 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
55 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
57 INCPATH=$(prefix)/include
58 LIBPATH=$(exec_prefix)/lib
60 BINPATH=$(exec_prefix)/bin
62 # override DESTDIR= on the make install command line to easily support
63 # installing into a temporary location. Example:
65 # make install DESTDIR=/tmp/build/libpng
67 # If you're going to install into a temporary location
68 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
69 # you execute make install.
72 DB=$(DESTDIR)$(BINPATH)
73 DI=$(DESTDIR)$(INCPATH)
74 DL=$(DESTDIR)$(LIBPATH)
75 DM=$(DESTDIR)$(MANPATH)
77 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
78 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
79 pngwtran.o pngmem.o pngerror.o pngpread.o
81 OBJSDLL = $(OBJS:.o=.pic.o)
83 .SUFFIXES: .c .o .pic.o
86 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
88 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
95 cat scripts/libpng.pc.in | sed -e s!@PREFIX@!$(prefix)! \
96 | sed -e "s!Cflags: !Cflags: -DPNG_NO_MMX_CODE !"> libpng.pc
99 ( cat scripts/libpng-config-head.in; \
100 echo prefix=\"$(prefix)\"; \
101 echo I_opts=\"-I$(INCPATH)/$(LIBNAME) -DPNG_NO_MMX_CODE\"; \
102 echo L_opts=\"-L$(LIBPATH)\"; \
103 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
104 echo libs=\"-lpng12 -lz -lm\"; \
105 cat scripts/libpng-config-body.in ) > libpng-config
106 chmod +x libpng-config
108 $(LIBSO): $(LIBSOMAJ)
109 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
111 $(LIBSOMAJ): $(LIBSOVER)
112 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
114 $(LIBSOVER): $(OBJSDLL)
115 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
117 $(OLDSOVER): $(OBJSDLL)
118 $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
122 pngtest: pngtest.o $(LIBSO)
123 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
125 pngtest-static: pngtest.o libpng.a
126 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
128 test: pngtest pngtest-static
130 @echo " Running pngtest dynamically linked with $(LIBSO):"
134 @echo " Running pngtest statically linked with libpng.a:"
138 install-headers: png.h pngconf.h
139 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
140 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
141 cp png.h pngconf.h $(DI)/$(LIBNAME)
142 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
143 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
144 -@$(RM_F) $(DI)/libpng
145 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
147 install-static: install-headers libpng.a
148 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
149 cp libpng.a $(DL)/$(LIBNAME).a
150 chmod 644 $(DL)/$(LIBNAME).a
151 -@$(RM_F) $(DL)/libpng.a
152 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
154 install-shared: install-headers $(LIBSOVER) libpng.pc \
156 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
157 -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
158 -@$(RM_F) $(DL)/$(LIBSOMAJ)
159 -@$(RM_F) $(DL)/$(OLDSO)
160 -@$(RM_F) $(DL)/$(OLDSOMAJ)
161 -@$(RM_F) $(DL)/$(OLDSOVER)*
164 chmod 755 $(DL)/$(LIBSOVER)
165 chmod 755 $(DL)/$(OLDSOVER)
167 $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
168 $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
169 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
170 $(LN_SF) $(LIBSOMAJ) $(LIBSO))
171 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
172 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
173 -@$(RM_F) $(DL)/pkgconfig/libpng.pc
174 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
175 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
176 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
178 install-man: libpng.3 libpngpf.3 png.5
179 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
180 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
181 -@$(RM_F) $(DM)/man3/libpng.3
182 -@$(RM_F) $(DM)/man3/libpngpf.3
183 cp libpng.3 $(DM)/man3
184 cp libpngpf.3 $(DM)/man3
185 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
186 -@$(RM_F) $(DM)/man5/png.5
189 install-config: libpng-config
190 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
191 -@$(RM_F) $(DB)/libpng-config
192 -@$(RM_F) $(DB)/$(LIBNAME)-config
193 cp libpng-config $(DB)/$(LIBNAME)-config
194 chmod 755 $(DB)/$(LIBNAME)-config
195 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
197 install: install-static install-shared install-man install-config
199 # If you installed in $(DESTDIR), test-installed won't work until you
200 # move the library to its final location. Use test-dd to test it
205 echo Testing installed dynamic shared library in $(DL).
206 $(CC) -I$(DI) -I$(ZLIBINC) \
207 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
208 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
209 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
210 ./pngtestd pngtest.png
214 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
215 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
216 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
217 ./pngtesti pngtest.png
220 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
221 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
225 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
227 chmod a-w *.[ch35] $(DOCS) scripts/*
229 # DO NOT DELETE THIS LINE -- make depend depends on it.
231 png.o png.pic.o: png.h pngconf.h
232 pngerror.o pngerror.pic.o: png.h pngconf.h
233 pngrio.o pngrio.pic.o: png.h pngconf.h
234 pngwio.o pngwio.pic.o: png.h pngconf.h
235 pngmem.o pngmem.pic.o: png.h pngconf.h
236 pngset.o pngset.pic.o: png.h pngconf.h
237 pngget.o pngget.pic.o: png.h pngconf.h
238 pngread.o pngread.pic.o: png.h pngconf.h
239 pngrtran.o pngrtran.pic.o: png.h pngconf.h
240 pngrutil.o pngrutil.pic.o: png.h pngconf.h
241 pngtrans.o pngtrans.pic.o: png.h pngconf.h
242 pngwrite.o pngwrite.pic.o: png.h pngconf.h
243 pngwtran.o pngwtran.pic.o: png.h pngconf.h
244 pngwutil.o pngwutil.pic.o: png.h pngconf.h
245 pngpread.o pngpread.pic.o: png.h pngconf.h
247 pngtest.o: png.h pngconf.h