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1 # makefile for libpng.a and libpng15.so on Linux ELF with gcc
2 # Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2011 Greg Roelofs and
3 # Glenn Randers-Pehrson
4 # Copyright (C) 1996, 1997 Andreas Dilger
5 #
6 # This code is released under the libpng license.
7 # For conditions of distribution and use, see the disclaimer
8 # and license in png.h
9
10 # Library name:
11 LIBNAME = libpng15
12 PNGMAJ = 15
13 RELEASE = 7
14
15 # Shared library names:
16 LIBSO=$(LIBNAME).so
17 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
18 LIBSOREL=$(LIBSOMAJ).$(RELEASE)
19 OLDSO=libpng.so
20
21 # Utilities:
22 AR_RC=ar rc
23 CC=gcc
24 MKDIR_P=mkdir -p
25 LN_SF=ln -sf
26 RANLIB=ranlib
27 RM_F=/bin/rm -f
28
29 # where "make install" puts libpng15.a, libpng15.so*,
30 # libpng15/png.h, libpng15/pngconf.h, and libpng15/pnglibconf.h
31 # Prefix must be a full pathname.
32 prefix=/usr/local
33 exec_prefix=$(prefix)
34
35 # Where the zlib library and include files are located.
36 #ZLIBLIB=/usr/local/lib
37 #ZLIBINC=/usr/local/include
38 ZLIBLIB=../zlib
39 ZLIBINC=../zlib
40
41 ALIGN=
42 # for i386:
43 #ALIGN=-malign-loops=2 -malign-functions=2
44
45 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
46 -Wmissing-declarations -Wtraditional -Wcast-align \
47 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
48
49 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
50
51 CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops \
52 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
53
54 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng15 -lz -lm
55 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
56
57 INCPATH=$(prefix)/include
58 LIBPATH=$(exec_prefix)/lib
59 MANPATH=$(prefix)/man
60 BINPATH=$(exec_prefix)/bin
61
62 # override DESTDIR= on the make install command line to easily support
63 # installing into a temporary location. Example:
64 #
65 # make install DESTDIR=/tmp/build/libpng
66 #
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.
70 DESTDIR=
71
72 DB=$(DESTDIR)$(BINPATH)
73 DI=$(DESTDIR)$(INCPATH)
74 DL=$(DESTDIR)$(LIBPATH)
75 DM=$(DESTDIR)$(MANPATH)
76
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
80
81 OBJSDLL = $(OBJS:.o=.pic.o)
82
83 .SUFFIXES: .c .o .pic.o
84
85 .c.pic.o:
86 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
87
88 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
89
90 # see scripts/pnglibconf.mak for more options
91 pnglibconf.h: scripts/pnglibconf.h.prebuilt
92 cp scripts/pnglibconf.h.prebuilt $@
93
94 libpng.a: $(OBJS)
95 $(AR_RC) $@ $(OBJS)
96 $(RANLIB) $@
97
98 libpng.pc:
99 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
100 -e s!@exec_prefix@!$(exec_prefix)! \
101 -e s!@libdir@!$(LIBPATH)! \
102 -e s!@includedir@!$(INCPATH)! \
103 -e s!-lpng15!-lpng15\ -lz\ -lm! > libpng.pc
104
105 libpng-config:
106 ( cat scripts/libpng-config-head.in; \
107 echo prefix=\"$(prefix)\"; \
108 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
109 echo L_opts=\"-L$(LIBPATH)\"; \
110 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
111 echo libs=\"-lpng15 -lz -lm\"; \
112 cat scripts/libpng-config-body.in ) > libpng-config
113 chmod +x libpng-config
114
115 $(LIBSO): $(LIBSOMAJ)
116 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
117
118 $(LIBSOMAJ): $(OBJSDLL)
119 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
120
121 pngtest: pngtest.o $(LIBSO)
122 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
123
124 pngtest-static: pngtest.o libpng.a
125 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
126
127 test: pngtest pngtest-static
128 @echo ""
129 @echo " Running pngtest dynamically linked with $(LIBSO):"
130 @echo ""
131 ./pngtest
132 @echo ""
133 @echo " Running pngtest statically linked with libpng.a:"
134 @echo ""
135 ./pngtest-static
136
137 install-headers: png.h pngconf.h pnglibconf.h
138 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
139 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
140 cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
141 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
142 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
143 -@$(RM_F) $(DI)/libpng
144 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
145
146 install-static: install-headers libpng.a
147 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
148 cp libpng.a $(DL)/$(LIBNAME).a
149 chmod 644 $(DL)/$(LIBNAME).a
150 -@$(RM_F) $(DL)/libpng.a
151 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
152
153 install-shared: install-headers $(LIBSOMAJ) libpng.pc
154 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
155 -@$(RM_F) $(DL)/$(LIBSO)
156 -@$(RM_F) $(DL)/$(LIBSOREL)
157 -@$(RM_F) $(DL)/$(OLDSO)
158 cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
159 chmod 755 $(DL)/$(LIBSOREL)
160 (cd $(DL); \
161 $(LN_SF) $(LIBSOREL) $(LIBSO); \
162 $(LN_SF) $(LIBSO) $(OLDSO))
163
164 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
165 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
166 -@$(RM_F) $(DL)/pkgconfig/libpng.pc
167 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
168 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
169 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
170
171 install-man: libpng.3 libpngpf.3 png.5
172 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
173 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
174 -@$(RM_F) $(DM)/man3/libpng.3
175 -@$(RM_F) $(DM)/man3/libpngpf.3
176 cp libpng.3 $(DM)/man3
177 cp libpngpf.3 $(DM)/man3
178 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
179 -@$(RM_F) $(DM)/man5/png.5
180 cp png.5 $(DM)/man5
181
182 install-config: libpng-config
183 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
184 -@$(RM_F) $(DB)/libpng-config
185 -@$(RM_F) $(DB)/$(LIBNAME)-config
186 cp libpng-config $(DB)/$(LIBNAME)-config
187 chmod 755 $(DB)/$(LIBNAME)-config
188 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
189
190 install: install-static install-shared install-man install-config
191
192 # If you installed in $(DESTDIR), test-installed won't work until you
193 # move the library to its final location. Use test-dd to test it
194 # before then.
195
196 test-dd:
197 echo
198 echo Testing installed dynamic shared library in $(DL).
199 $(CC) -I$(DI) -I$(ZLIBINC) \
200 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
201 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
202 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
203 ./pngtestd pngtest.png
204
205 test-installed:
206 $(CC) -I$(ZLIBINC) \
207 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
208 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
209 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
210 ./pngtesti pngtest.png
211
212 clean:
213 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
214 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
215 libpng.pc pnglibconf.h
216
217 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
218 writelock:
219 chmod a-w *.[ch35] $(DOCS) scripts/*
220
221 # DO NOT DELETE THIS LINE -- make depend depends on it.
222
223 png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
224 pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
225 pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
226 pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
227 pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
228 pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
229 pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
230 pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
231 pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
232 pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
233 pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
234 pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
235 pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
236 pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
237 pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
238
239 pngtest.o: png.h pngconf.h