1 # makefile for libpng.a and libpng12.so on Linux ELF with gcc
2 # Copyright (C) 1998, 1999, 2002, 2006 Greg Roelofs and Glenn Randers-Pehrson
3 # Copyright (C) 1996, 1997 Andreas Dilger
4 # For conditions of distribution and use, see copyright notice in png.h
10 PNGVER = $(PNGMAJ).$(PNGMIN)
12 # Shared library names:
14 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
15 LIBSOVER=$(LIBNAME).so.$(PNGVER)
18 OLDSOVER=libpng.so.3.$(PNGMIN)
28 # where "make install" puts libpng12.a, libpng12.so*,
29 # libpng12/png.h and libpng12/pngconf.h
30 # Prefix must be a full pathname.
34 # Where the zlib library and include files are located.
35 #ZLIBLIB=/usr/local/lib
36 #ZLIBINC=/usr/local/include
42 #ALIGN=-malign-loops=2 -malign-functions=2
44 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
45 -Wmissing-declarations -Wtraditional -Wcast-align \
46 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
48 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
50 CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
51 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
53 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
54 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
56 INCPATH=$(prefix)/include
57 LIBPATH=$(exec_prefix)/lib
59 BINPATH=$(exec_prefix)/bin
61 # override DESTDIR= on the make install command line to easily support
62 # installing into a temporary location. Example:
64 # make install DESTDIR=/tmp/build/libpng
66 # If you're going to install into a temporary location
67 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
68 # you execute make install.
71 DB=$(DESTDIR)$(BINPATH)
72 DI=$(DESTDIR)$(INCPATH)
73 DL=$(DESTDIR)$(LIBPATH)
74 DM=$(DESTDIR)$(MANPATH)
76 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
77 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
78 pngwtran.o pngmem.o pngerror.o pngpread.o
80 OBJSDLL = $(OBJS:.o=.pic.o)
82 .SUFFIXES: .c .o .pic.o
85 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
87 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
94 cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
97 ( cat scripts/libpng-config-head.in; \
98 echo prefix=\"$(prefix)\"; \
99 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
100 echo L_opts=\"-L$(LIBPATH)\"; \
101 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
102 echo libs=\"-lpng12 -lz -lm\"; \
103 cat scripts/libpng-config-body.in ) > libpng-config
104 chmod +x libpng-config
106 $(LIBSO): $(LIBSOMAJ)
107 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
109 $(LIBSOMAJ): $(LIBSOVER)
110 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
112 $(LIBSOVER): $(OBJSDLL)
113 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL)
115 $(OLDSOVER): $(OBJSDLL)
116 $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
120 pngtest: pngtest.o $(LIBSO)
121 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
123 pngtest-static: pngtest.o libpng.a
124 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
126 test: pngtest pngtest-static
128 @echo " Running pngtest dynamically linked with $(LIBSO):"
132 @echo " Running pngtest statically linked with libpng.a:"
136 install-headers: png.h pngconf.h
137 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
138 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
139 cp png.h pngconf.h $(DI)/$(LIBNAME)
140 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
141 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
142 -@$(RM_F) $(DI)/libpng
143 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
145 install-static: install-headers libpng.a
146 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
147 cp libpng.a $(DL)/$(LIBNAME).a
148 chmod 644 $(DL)/$(LIBNAME).a
149 -@$(RM_F) $(DL)/libpng.a
150 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
152 install-shared: install-headers $(LIBSOVER) libpng.pc \
154 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
155 -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
156 -@$(RM_F) $(DL)/$(LIBSOMAJ)
157 -@$(RM_F) $(DL)/$(OLDSO)
158 -@$(RM_F) $(DL)/$(OLDSOMAJ)
159 -@$(RM_F) $(DL)/$(OLDSOVER)*
162 chmod 755 $(DL)/$(LIBSOVER)
163 chmod 755 $(DL)/$(OLDSOVER)
165 $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
166 $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
167 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
168 $(LN_SF) $(LIBSOMAJ) $(LIBSO))
169 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
170 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
171 -@$(RM_F) $(DL)/pkgconfig/libpng.pc
172 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
173 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
174 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
176 install-man: libpng.3 libpngpf.3 png.5
177 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
178 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
179 -@$(RM_F) $(DM)/man3/libpng.3
180 -@$(RM_F) $(DM)/man3/libpngpf.3
181 cp libpng.3 $(DM)/man3
182 cp libpngpf.3 $(DM)/man3
183 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
184 -@$(RM_F) $(DM)/man5/png.5
187 install-config: libpng-config
188 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
189 -@$(RM_F) $(DB)/libpng-config
190 -@$(RM_F) $(DB)/$(LIBNAME)-config
191 cp libpng-config $(DB)/$(LIBNAME)-config
192 chmod 755 $(DB)/$(LIBNAME)-config
193 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
195 install: install-static install-shared install-man install-config
197 # If you installed in $(DESTDIR), test-installed won't work until you
198 # move the library to its final location. Use test-dd to test it
203 echo Testing installed dynamic shared library in $(DL).
204 $(CC) -I$(DI) -I$(ZLIBINC) \
205 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
206 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
207 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
208 ./pngtestd pngtest.png
212 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
213 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
214 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
215 ./pngtesti pngtest.png
218 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
219 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
223 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
225 chmod a-w *.[ch35] $(DOCS) scripts/*
227 # DO NOT DELETE THIS LINE -- make depend depends on it.
229 png.o png.pic.o: png.h pngconf.h
230 pngerror.o pngerror.pic.o: png.h pngconf.h
231 pngrio.o pngrio.pic.o: png.h pngconf.h
232 pngwio.o pngwio.pic.o: png.h pngconf.h
233 pngmem.o pngmem.pic.o: png.h pngconf.h
234 pngset.o pngset.pic.o: png.h pngconf.h
235 pngget.o pngget.pic.o: png.h pngconf.h
236 pngread.o pngread.pic.o: png.h pngconf.h
237 pngrtran.o pngrtran.pic.o: png.h pngconf.h
238 pngrutil.o pngrutil.pic.o: png.h pngconf.h
239 pngtrans.o pngtrans.pic.o: png.h pngconf.h
240 pngwrite.o pngwrite.pic.o: png.h pngconf.h
241 pngwtran.o pngwtran.pic.o: png.h pngconf.h
242 pngwutil.o pngwutil.pic.o: png.h pngconf.h
243 pngpread.o pngpread.pic.o: png.h pngconf.h
245 pngtest.o: png.h pngconf.h