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 \
53 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
55 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
56 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
58 INCPATH=$(prefix)/include
59 LIBPATH=$(exec_prefix)/lib
61 BINPATH=$(exec_prefix)/bin
63 # override DESTDIR= on the make install command line to easily support
64 # installing into a temporary location. Example:
66 # make install DESTDIR=/tmp/build/libpng
68 # If you're going to install into a temporary location
69 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
70 # you execute make install.
73 DB=$(DESTDIR)$(BINPATH)
74 DI=$(DESTDIR)$(INCPATH)
75 DL=$(DESTDIR)$(LIBPATH)
76 DM=$(DESTDIR)$(MANPATH)
78 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
79 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
80 pngwtran.o pngmem.o pngerror.o pngpread.o
82 OBJSDLL = $(OBJS:.o=.pic.o)
84 .SUFFIXES: .c .o .pic.o
87 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
89 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
96 cat scripts/libpng.pc.in | sed -e s!@PREFIX@!$(prefix)! \
97 | sed -e "s!Cflags: !Cflags: -DPNG_NO_MMX_CODE !"> libpng.pc
100 ( cat scripts/libpng-config-head.in; \
101 echo prefix=\"$(prefix)\"; \
102 echo I_opts=\"-I$(INCPATH)/$(LIBNAME) -DPNG_NO_MMX_CODE\"; \
103 echo L_opts=\"-L$(LIBPATH)\"; \
104 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
105 echo libs=\"-lpng12 -lz -lm\"; \
106 cat scripts/libpng-config-body.in ) > libpng-config
107 chmod +x libpng-config
109 $(LIBSO): $(LIBSOMAJ)
110 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
112 $(LIBSOMAJ): $(LIBSOVER)
113 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
115 $(LIBSOVER): $(OBJSDLL)
116 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
118 $(OLDSOVER): $(OBJSDLL)
119 $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
123 pngtest: pngtest.o $(LIBSO)
124 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
126 pngtest-static: pngtest.o libpng.a
127 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
129 test: pngtest pngtest-static
131 @echo " Running pngtest dynamically linked with $(LIBSO):"
135 @echo " Running pngtest statically linked with libpng.a:"
139 install-headers: png.h pngconf.h
140 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
141 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
142 cp png.h pngconf.h $(DI)/$(LIBNAME)
143 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
144 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
145 -@$(RM_F) $(DI)/libpng
146 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
148 install-static: install-headers libpng.a
149 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
150 cp libpng.a $(DL)/$(LIBNAME).a
151 chmod 644 $(DL)/$(LIBNAME).a
152 -@$(RM_F) $(DL)/libpng.a
153 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
155 install-shared: install-headers $(LIBSOVER) libpng.pc \
157 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
158 -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
159 -@$(RM_F) $(DL)/$(LIBSOMAJ)
160 -@$(RM_F) $(DL)/$(OLDSO)
161 -@$(RM_F) $(DL)/$(OLDSOMAJ)
162 -@$(RM_F) $(DL)/$(OLDSOVER)*
165 chmod 755 $(DL)/$(LIBSOVER)
166 chmod 755 $(DL)/$(OLDSOVER)
168 $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
169 $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
170 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
171 $(LN_SF) $(LIBSOMAJ) $(LIBSO))
172 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
173 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
174 -@$(RM_F) $(DL)/pkgconfig/libpng.pc
175 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
176 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
177 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
179 install-man: libpng.3 libpngpf.3 png.5
180 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
181 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
182 -@$(RM_F) $(DM)/man3/libpng.3
183 -@$(RM_F) $(DM)/man3/libpngpf.3
184 cp libpng.3 $(DM)/man3
185 cp libpngpf.3 $(DM)/man3
186 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
187 -@$(RM_F) $(DM)/man5/png.5
190 install-config: libpng-config
191 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
192 -@$(RM_F) $(DB)/libpng-config
193 -@$(RM_F) $(DB)/$(LIBNAME)-config
194 cp libpng-config $(DB)/$(LIBNAME)-config
195 chmod 755 $(DB)/$(LIBNAME)-config
196 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
198 install: install-static install-shared install-man install-config
200 # If you installed in $(DESTDIR), test-installed won't work until you
201 # move the library to its final location. Use test-dd to test it
206 echo Testing installed dynamic shared library in $(DL).
207 $(CC) -I$(DI) -I$(ZLIBINC) \
208 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
209 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
210 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
211 ./pngtestd pngtest.png
215 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
216 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
217 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
218 ./pngtesti pngtest.png
221 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
222 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
226 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
228 chmod a-w *.[ch35] $(DOCS) scripts/*
230 # DO NOT DELETE THIS LINE -- make depend depends on it.
232 png.o png.pic.o: png.h pngconf.h
233 pngerror.o pngerror.pic.o: png.h pngconf.h
234 pngrio.o pngrio.pic.o: png.h pngconf.h
235 pngwio.o pngwio.pic.o: png.h pngconf.h
236 pngmem.o pngmem.pic.o: png.h pngconf.h
237 pngset.o pngset.pic.o: png.h pngconf.h
238 pngget.o pngget.pic.o: png.h pngconf.h
239 pngread.o pngread.pic.o: png.h pngconf.h
240 pngrtran.o pngrtran.pic.o: png.h pngconf.h
241 pngrutil.o pngrutil.pic.o: png.h pngconf.h
242 pngtrans.o pngtrans.pic.o: png.h pngconf.h
243 pngwrite.o pngwrite.pic.o: png.h pngconf.h
244 pngwtran.o pngwtran.pic.o: png.h pngconf.h
245 pngwutil.o pngwutil.pic.o: png.h pngconf.h
246 pngpread.o pngpread.pic.o: png.h pngconf.h
248 pngtest.o: png.h pngconf.h