1 # makefile for libpng.a and libpng12.so on Linux ELF with gcc
2 # Copyright (C) 1998, 1999, 2002, 2006-2008 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) -W -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 -e s!@exec_prefix@!$(exec_prefix)! \
97 -e s!@libdir@!$(LIBPATH)! \
98 -e s!@includedir@!$(INCPATH)! \
99 -e s!@includedir@!$(INCPATH)! \
100 -e s!-lpng12!-lpng12\ -lz\ -lm! \
101 -e s!Cflags: !Cflags:\ -DPNG_NO_MMX_CODE!> libpng.pc
104 ( cat scripts/libpng-config-head.in; \
105 echo prefix=\"$(prefix)\"; \
106 echo I_opts=\"-I$(INCPATH)/$(LIBNAME) -DPNG_NO_MMX_CODE\"; \
107 echo L_opts=\"-L$(LIBPATH)\"; \
108 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
109 echo libs=\"-lpng12 -lz -lm\"; \
110 cat scripts/libpng-config-body.in ) > libpng-config
111 chmod +x libpng-config
113 $(LIBSO): $(LIBSOMAJ)
114 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
116 $(LIBSOMAJ): $(LIBSOVER)
117 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
119 $(LIBSOVER): $(OBJSDLL)
120 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
122 $(OLDSOVER): $(OBJSDLL)
123 $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
127 pngtest: pngtest.o $(LIBSO)
128 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
130 pngtest-static: pngtest.o libpng.a
131 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
133 test: pngtest pngtest-static
135 @echo " Running pngtest dynamically linked with $(LIBSO):"
139 @echo " Running pngtest statically linked with libpng.a:"
143 install-headers: png.h pngconf.h
144 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
145 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
146 cp png.h pngconf.h $(DI)/$(LIBNAME)
147 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
148 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
149 -@$(RM_F) $(DI)/libpng
150 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
152 install-static: install-headers libpng.a
153 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
154 cp libpng.a $(DL)/$(LIBNAME).a
155 chmod 644 $(DL)/$(LIBNAME).a
156 -@$(RM_F) $(DL)/libpng.a
157 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
159 install-shared: install-headers $(LIBSOVER) libpng.pc \
161 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
162 -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
163 -@$(RM_F) $(DL)/$(LIBSOMAJ)
164 -@$(RM_F) $(DL)/$(OLDSO)
165 -@$(RM_F) $(DL)/$(OLDSOMAJ)
166 -@$(RM_F) $(DL)/$(OLDSOVER)*
169 chmod 755 $(DL)/$(LIBSOVER)
170 chmod 755 $(DL)/$(OLDSOVER)
172 $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
173 $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
174 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
175 $(LN_SF) $(LIBSOMAJ) $(LIBSO))
176 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
177 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
178 -@$(RM_F) $(DL)/pkgconfig/libpng.pc
179 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
180 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
181 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
183 install-man: libpng.3 libpngpf.3 png.5
184 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
185 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
186 -@$(RM_F) $(DM)/man3/libpng.3
187 -@$(RM_F) $(DM)/man3/libpngpf.3
188 cp libpng.3 $(DM)/man3
189 cp libpngpf.3 $(DM)/man3
190 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
191 -@$(RM_F) $(DM)/man5/png.5
194 install-config: libpng-config
195 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
196 -@$(RM_F) $(DB)/libpng-config
197 -@$(RM_F) $(DB)/$(LIBNAME)-config
198 cp libpng-config $(DB)/$(LIBNAME)-config
199 chmod 755 $(DB)/$(LIBNAME)-config
200 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
202 install: install-static install-shared install-man install-config
204 # If you installed in $(DESTDIR), test-installed won't work until you
205 # move the library to its final location. Use test-dd to test it
210 echo Testing installed dynamic shared library in $(DL).
211 $(CC) -I$(DI) -I$(ZLIBINC) \
212 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
213 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
214 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
215 ./pngtestd pngtest.png
219 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
220 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
221 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
222 ./pngtesti pngtest.png
225 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
226 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
230 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
232 chmod a-w *.[ch35] $(DOCS) scripts/*
234 # DO NOT DELETE THIS LINE -- make depend depends on it.
236 png.o png.pic.o: png.h pngconf.h
237 pngerror.o pngerror.pic.o: png.h pngconf.h
238 pngrio.o pngrio.pic.o: png.h pngconf.h
239 pngwio.o pngwio.pic.o: png.h pngconf.h
240 pngmem.o pngmem.pic.o: png.h pngconf.h
241 pngset.o pngset.pic.o: png.h pngconf.h
242 pngget.o pngget.pic.o: png.h pngconf.h
243 pngread.o pngread.pic.o: png.h pngconf.h
244 pngrtran.o pngrtran.pic.o: png.h pngconf.h
245 pngrutil.o pngrutil.pic.o: png.h pngconf.h
246 pngtrans.o pngtrans.pic.o: png.h pngconf.h
247 pngwrite.o pngwrite.pic.o: png.h pngconf.h
248 pngwtran.o pngwtran.pic.o: png.h pngconf.h
249 pngwutil.o pngwutil.pic.o: png.h pngconf.h
250 pngpread.o pngpread.pic.o: png.h pngconf.h
252 pngtest.o: png.h pngconf.h