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)
30 # where "make install" puts libpng16.a, libpng16.so*,
31 # libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.h
32 # Prefix must be a full pathname.
36 # Where the zlib library and include files are located.
37 #ZLIBLIB=/usr/local/lib
38 #ZLIBINC=/usr/local/include
44 #ALIGN=-malign-loops=2 -malign-functions=2
46 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
47 -Wmissing-declarations -Wtraditional -Wcast-align \
48 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
50 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
52 CPPFLAGS=-I$(ZLIBINC) # -DPNG_DEBUG=5
53 CFLAGS= -W -Wall -O3 -funroll-loops \
54 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
56 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm
57 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
59 INCPATH=$(prefix)/include
60 LIBPATH=$(exec_prefix)/lib
62 BINPATH=$(exec_prefix)/bin
64 # override DESTDIR= on the make install command line to easily support
65 # installing into a temporary location. Example:
67 # make install DESTDIR=/tmp/build/libpng
69 # If you're going to install into a temporary location
70 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
71 # you execute make install.
74 DB=$(DESTDIR)$(BINPATH)
75 DI=$(DESTDIR)$(INCPATH)
76 DL=$(DESTDIR)$(LIBPATH)
77 DM=$(DESTDIR)$(MANPATH)
79 # Pre-built configuration
80 # See scripts/pnglibconf.mak for more options
81 PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
83 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
84 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
85 pngwtran.o pngmem.o pngerror.o pngpread.o
87 OBJSDLL = $(OBJS:.o=.pic.o)
89 .SUFFIXES: .c .o .pic.o
92 $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
95 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
97 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
99 pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
100 $(CP) $(PNGLIBCONF_H_PREBUILT) $@
107 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
108 -e s!@exec_prefix@!$(exec_prefix)! \
109 -e s!@libdir@!$(LIBPATH)! \
110 -e s!@includedir@!$(INCPATH)! \
111 -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc
114 ( cat scripts/libpng-config-head.in; \
115 echo prefix=\"$(prefix)\"; \
116 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
117 echo L_opts=\"-L$(LIBPATH)\"; \
118 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
119 echo libs=\"-lpng16 -lz -lm\"; \
120 cat scripts/libpng-config-body.in ) > libpng-config
121 chmod +x libpng-config
123 $(LIBSO): $(LIBSOMAJ)
124 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
126 $(LIBSOMAJ): $(OBJSDLL)
127 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
129 pngtest: pngtest.o $(LIBSO)
130 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
132 pngtest-static: pngtest.o libpng.a
133 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
135 test: pngtest pngtest-static
137 @echo " Running pngtest dynamically linked with $(LIBSO):"
141 @echo " Running pngtest statically linked with libpng.a:"
145 install-headers: png.h pngconf.h pnglibconf.h
146 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
147 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
148 cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
149 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
150 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
151 -@$(RM_F) $(DI)/libpng
152 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
154 install-static: install-headers libpng.a
155 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
156 cp libpng.a $(DL)/$(LIBNAME).a
157 chmod 644 $(DL)/$(LIBNAME).a
158 -@$(RM_F) $(DL)/libpng.a
159 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
161 install-shared: install-headers $(LIBSOMAJ) libpng.pc
162 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
163 -@$(RM_F) $(DL)/$(LIBSO)
164 -@$(RM_F) $(DL)/$(LIBSOREL)
165 -@$(RM_F) $(DL)/$(OLDSO)
166 cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
167 chmod 755 $(DL)/$(LIBSOREL)
169 $(LN_SF) $(LIBSOREL) $(LIBSO); \
170 $(LN_SF) $(LIBSO) $(OLDSO))
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) $(CPPFLAGS) \
208 `$(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 \
223 libpng.pc pnglibconf.h
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 pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
232 pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
233 pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
234 pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
235 pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
236 pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
237 pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
238 pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
239 pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
240 pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
241 pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
242 pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
243 pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
244 pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
245 pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
247 pngtest.o: png.h pngconf.h pnglibconf.h