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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 | |
3 | # and 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 | # Modified for Debian by Junichi Uekawa and Josselin Mouette | |
11 | # Major modifications are: | |
12 | # * link libpng explicitly with libz and libm | |
13 | # * $(OLDSO).15 is a symlink rather than a different library | |
14 | # * versioned symbols | |
15 | ||
16 | # Library name: | |
17 | LIBNAME = libpng15 | |
18 | PNGMAJ = 15 | |
19 | ||
20 | # Shared library names: | |
21 | LIBSO=$(LIBNAME).so | |
22 | LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) | |
23 | LIBSOREL=$(LIBSOMAJ).$(RELEASE) | |
24 | OLDSO=libpng.so | |
25 | OLDSOMAJ=libpng.so.15 | |
26 | ||
27 | # Utilities: | |
28 | AR_RC=ar rc | |
29 | CC=gcc | |
30 | MKDIR_P=mkdir -p | |
31 | LN_SF=ln -sf | |
32 | RANLIB=ranlib | |
33 | RM_F=/bin/rm -f | |
34 | ||
35 | # where "make install" puts libpng15.a, libpng15.so*, | |
36 | # libpng15/png.h, libpng15/pngconf.h, and libpng15/pnglibconf.h | |
37 | # Prefix must be a full pathname. | |
38 | prefix=/usr/local | |
39 | exec_prefix=$(prefix) | |
40 | ||
41 | # Where the zlib library and include files are located. | |
42 | ZLIBLIB=/usr/local/lib | |
43 | ZLIBINC=/usr/local/include | |
44 | # ZLIBLIB=../zlib | |
45 | # ZLIBINC=../zlib | |
46 | ||
47 | ALIGN= | |
48 | # for i386: | |
49 | #ALIGN=-malign-loops=2 -malign-functions=2 | |
50 | ||
51 | WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ | |
52 | -Wmissing-declarations -Wtraditional -Wcast-align \ | |
53 | -Wstrict-prototypes -Wmissing-prototypes #-Wconversion | |
54 | ||
55 | # for pgcc version 2.95.1, -O3 is buggy; don't use it. | |
56 | ||
57 | CFLAGS=-W -Wall -D_REENTRANT -O2 \ | |
58 | $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 | |
59 | ||
60 | LDFLAGS=-L. -lpng15 | |
61 | LDFLAGS_A=libpng.a -lz -lm | |
62 | LIBADDFLAGS=-lz -lm | |
63 | ||
64 | ||
65 | INCPATH=$(prefix)/include | |
66 | LIBPATH=$(exec_prefix)/lib | |
67 | MANPATH=$(prefix)/man | |
68 | BINPATH=$(exec_prefix)/bin | |
69 | ||
70 | # override DESTDIR= on the make install command line to easily support | |
71 | # installing into a temporary location. Example: | |
72 | # | |
73 | # make install DESTDIR=/tmp/build/libpng | |
74 | # | |
75 | # If you're going to install into a temporary location | |
76 | # via DESTDIR, $(DESTDIR)$(prefix) must already exist before | |
77 | # you execute make install. | |
78 | DESTDIR= | |
79 | ||
80 | DB=$(DESTDIR)$(BINPATH) | |
81 | DI=$(DESTDIR)$(INCPATH) | |
82 | DL=$(DESTDIR)$(LIBPATH) | |
83 | DM=$(DESTDIR)$(MANPATH) | |
84 | ||
85 | OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ | |
86 | pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ | |
87 | pngwtran.o pngmem.o pngerror.o pngpread.o | |
88 | ||
89 | OBJSDLL = $(OBJS:.o=.pic.o) | |
90 | ||
91 | .SUFFIXES: .c .o .pic.o | |
92 | ||
93 | .c.pic.o: | |
94 | $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c | |
95 | ||
96 | all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config | |
97 | ||
98 | # see scripts/pnglibconf.mak for more options | |
99 | pnglibconf.h: scripts/pnglibconf.h.prebuilt | |
100 | cp scripts/pnglibconf.h.prebuilt $@ | |
101 | ||
102 | libpng.a: $(OBJS) | |
103 | $(AR_RC) $@ $(OBJS) | |
104 | $(RANLIB) $@ | |
105 | ||
106 | libpng.pc: | |
107 | cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ | |
108 | -e s!@exec_prefix@!$(exec_prefix)! \ | |
109 | -e s!@libdir@!$(LIBPATH)! \ | |
110 | -e s!@includedir@!$(INCPATH)! \ | |
111 | -e s!-lpng15!-lpng15\ -lz\ -lm! > libpng.pc | |
112 | ||
113 | libpng.syms: png.h pngconf.h pnglibconf.h | |
114 | $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\ | |
115 | awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG15_%s {global:\n",PNGMAJ)}\ | |
116 | { for (i=1;i+2<=NF;++i)\ | |
117 | if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\ | |
118 | print $$(i+1) ";";\ | |
119 | for (i=1;i+1<=NF;++i)\ | |
120 | if ($$(i)=="PNG_DATA_EXPORT")\ | |
121 | print $$(i+1) ";";}\ | |
122 | END{print "local: *; };"}' >$@.new | |
123 | $(RM_F) $@ | |
124 | mv $@.new $@ | |
125 | ||
126 | libpng-config: | |
127 | ( cat scripts/libpng-config-head.in; \ | |
128 | echo prefix=\"$(prefix)\"; \ | |
129 | echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ | |
130 | echo L_opts=\"\"; \ | |
131 | echo R_opts=\"\"; \ | |
132 | echo libs=\"-lpng15\"; \ | |
133 | echo all_libs=\"-lpng15 $(LIBADDFLAGS)\"; \ | |
134 | cat scripts/libpng-config-body.in ) > libpng-config | |
135 | chmod +x libpng-config | |
136 | ||
137 | $(LIBSO): $(LIBSOMAJ) | |
138 | $(LN_SF) $(LIBSOMAJ) $(LIBSO) | |
139 | ||
140 | $(LIBSOMAJ): $(OBJSDLL) libpng.syms | |
141 | $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \ | |
142 | -Wl,-version-script,libpng.syms \ | |
143 | -o $(LIBSOMAJ) \ | |
144 | $(OBJSDLL) | |
145 | ||
146 | pngtest: pngtest.o $(LIBSO) | |
147 | $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) | |
148 | ||
149 | pngtest-static: pngtest.o libpng.a | |
150 | $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) | |
151 | ||
152 | test: pngtest pngtest-static | |
153 | @echo "" | |
154 | @echo " Running pngtest dynamically linked with $(LIBSO):" | |
155 | @echo "" | |
156 | LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest | |
157 | @echo "" | |
158 | @echo " Running pngtest statically linked with libpng.a:" | |
159 | @echo "" | |
160 | ./pngtest-static | |
161 | ||
162 | install-headers: png.h pngconf.h pnglibconf.h | |
163 | -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi | |
164 | -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi | |
165 | cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME) | |
166 | chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h | |
167 | -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h | |
168 | -@$(RM_F) $(DI)/libpng | |
169 | (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) | |
170 | ||
171 | install-static: install-headers libpng.a | |
172 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi | |
173 | cp libpng.a $(DL)/$(LIBNAME).a | |
174 | chmod 644 $(DL)/$(LIBNAME).a | |
175 | -@$(RM_F) $(DL)/libpng.a | |
176 | (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) | |
177 | ||
178 | install-shared: install-headers $(LIBSOMAJ) libpng.pc | |
179 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi | |
180 | -@$(RM_F) $(DL)/$(LIBSO) | |
181 | -@$(RM_F) $(DL)/$(LIBSOREL) | |
182 | -@$(RM_F) $(DL)/$(OLDSO) | |
183 | cp $(LIBSOMAJ) $(DL)/$(LIBSOREL) | |
184 | chmod 755 $(DL)/$(LIBSOREL) | |
185 | (cd $(DL); \ | |
186 | $(LN_SF) $(LIBSOREL) $(LIBSO); \ | |
187 | $(LN_SF) $(LIBSO) $(OLDSO)) | |
188 | -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi | |
189 | -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc | |
190 | -@$(RM_F) $(DL)/pkgconfig/libpng.pc | |
191 | cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc | |
192 | chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc | |
193 | (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) | |
194 | ||
195 | install-man: libpng.3 libpngpf.3 png.5 | |
196 | -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi | |
197 | -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi | |
198 | -@$(RM_F) $(DM)/man3/libpng.3 | |
199 | -@$(RM_F) $(DM)/man3/libpngpf.3 | |
200 | cp libpng.3 $(DM)/man3 | |
201 | cp libpngpf.3 $(DM)/man3 | |
202 | -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi | |
203 | -@$(RM_F) $(DM)/man5/png.5 | |
204 | cp png.5 $(DM)/man5 | |
205 | ||
206 | install-config: libpng-config | |
207 | -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi | |
208 | -@$(RM_F) $(DB)/libpng-config | |
209 | -@$(RM_F) $(DB)/$(LIBNAME)-config | |
210 | cp libpng-config $(DB)/$(LIBNAME)-config | |
211 | chmod 755 $(DB)/$(LIBNAME)-config | |
212 | (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) | |
213 | ||
214 | install: install-static install-shared install-man install-config | |
215 | ||
216 | # If you installed in $(DESTDIR), test-installed won't work until you | |
217 | # move the library to its final location. Use test-dd to test it | |
218 | # before then. | |
219 | ||
220 | test-dd: | |
221 | echo | |
222 | echo Testing installed dynamic shared library in $(DL). | |
223 | $(CC) -I$(DI) -I$(ZLIBINC) \ | |
224 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ | |
225 | -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ | |
226 | -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` | |
227 | ./pngtestd pngtest.png | |
228 | ||
229 | test-installed: | |
230 | $(CC) -I$(ZLIBINC) \ | |
231 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ | |
232 | -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ | |
233 | -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` | |
234 | ./pngtesti pngtest.png | |
235 | ||
236 | clean: | |
237 | $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \ | |
238 | $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ | |
239 | libpng.pc pnglibconf.h | |
240 | ||
241 | DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO | |
242 | writelock: | |
243 | chmod a-w *.[ch35] $(DOCS) scripts/* | |
244 | ||
245 | # DO NOT DELETE THIS LINE -- make depend depends on it. | |
246 | ||
247 | png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
248 | pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
249 | pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
250 | pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
251 | pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
252 | pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
253 | pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
254 | pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
255 | pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
256 | pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
257 | pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
258 | pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
259 | pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
260 | pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
261 | pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h | |
262 | ||
263 | pngtest.o: png.h pngconf.h pnglibconf.h |