1 # makefile for libpng.a and libpng16.so on Linux ELF with gcc
2 # Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2014 Greg Roelofs and
3 # Glenn Randers-Pehrson
4 # Copyright (C) 1996, 1997 Andreas Dilger
6 # This code is released under the libpng license.
7 # For conditions of distribution and use, see the disclaimer
15 # Shared library names:
17 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
18 LIBSOREL=$(LIBSOMAJ).$(RELEASE)
29 # where "make install" puts libpng16.a, libpng16.so*,
30 # libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.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 CPPFLAGS=-I$(ZLIBINC) # -DPNG_DEBUG=5
52 CFLAGS= -W -Wall -O3 -funroll-loops \
53 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
55 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm
56 LDFLAGS_A=-L$(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 $(CPPFLAGS) $(CFLAGS) -o $@ $<
90 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
92 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
94 # see scripts/pnglibconf.mak for more options
95 pnglibconf.h: scripts/pnglibconf.h.prebuilt
96 cp scripts/pnglibconf.h.prebuilt $@
103 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
104 -e s!@exec_prefix@!$(exec_prefix)! \
105 -e s!@libdir@!$(LIBPATH)! \
106 -e s!@includedir@!$(INCPATH)! \
107 -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc
110 ( cat scripts/libpng-config-head.in; \
111 echo prefix=\"$(prefix)\"; \
112 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
113 echo L_opts=\"-L$(LIBPATH)\"; \
114 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
115 echo libs=\"-lpng16 -lz -lm\"; \
116 cat scripts/libpng-config-body.in ) > libpng-config
117 chmod +x libpng-config
119 $(LIBSO): $(LIBSOMAJ)
120 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
122 $(LIBSOMAJ): $(OBJSDLL)
123 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
125 pngtest: pngtest.o $(LIBSO)
126 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
128 pngtest-static: pngtest.o libpng.a
129 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
131 test: pngtest pngtest-static
133 @echo " Running pngtest dynamically linked with $(LIBSO):"
137 @echo " Running pngtest statically linked with libpng.a:"
141 install-headers: png.h pngconf.h pnglibconf.h
142 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
143 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
144 cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
145 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
146 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
147 -@$(RM_F) $(DI)/libpng
148 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
150 install-static: install-headers libpng.a
151 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
152 cp libpng.a $(DL)/$(LIBNAME).a
153 chmod 644 $(DL)/$(LIBNAME).a
154 -@$(RM_F) $(DL)/libpng.a
155 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
157 install-shared: install-headers $(LIBSOMAJ) libpng.pc
158 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
159 -@$(RM_F) $(DL)/$(LIBSO)
160 -@$(RM_F) $(DL)/$(LIBSOREL)
161 -@$(RM_F) $(DL)/$(OLDSO)
162 cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
163 chmod 755 $(DL)/$(LIBSOREL)
165 $(LN_SF) $(LIBSOREL) $(LIBSO); \
166 $(LN_SF) $(LIBSO) $(OLDSO))
168 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
169 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
170 -@$(RM_F) $(DL)/pkgconfig/libpng.pc
171 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
172 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
173 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
175 install-man: libpng.3 libpngpf.3 png.5
176 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
177 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
178 -@$(RM_F) $(DM)/man3/libpng.3
179 -@$(RM_F) $(DM)/man3/libpngpf.3
180 cp libpng.3 $(DM)/man3
181 cp libpngpf.3 $(DM)/man3
182 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
183 -@$(RM_F) $(DM)/man5/png.5
186 install-config: libpng-config
187 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
188 -@$(RM_F) $(DB)/libpng-config
189 -@$(RM_F) $(DB)/$(LIBNAME)-config
190 cp libpng-config $(DB)/$(LIBNAME)-config
191 chmod 755 $(DB)/$(LIBNAME)-config
192 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
194 install: install-static install-shared install-man install-config
196 # If you installed in $(DESTDIR), test-installed won't work until you
197 # move the library to its final location. Use test-dd to test it
202 echo Testing installed dynamic shared library in $(DL).
203 $(CC) -I$(DI) $(CPPFLAGS) \
204 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
205 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
206 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
207 ./pngtestd pngtest.png
211 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
212 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
213 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
214 ./pngtesti pngtest.png
217 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
218 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
219 libpng.pc pnglibconf.h
221 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
223 chmod a-w *.[ch35] $(DOCS) scripts/*
225 # DO NOT DELETE THIS LINE -- make depend depends on it.
227 png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
228 pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
229 pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
230 pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
231 pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
232 pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
233 pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
234 pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
235 pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
236 pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
237 pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
238 pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
239 pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
240 pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
241 pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
243 pngtest.o: png.h pngconf.h pnglibconf.h