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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 | |
5 | ||
6 | # Modified for Debian by Junichi Uekawa and Josselin Mouette | |
7 | # Major modifications are: | |
8 | # * link libpng explicitly with libz and libm | |
9 | # * $(OLDSO).3 is a symlink rather than a different library | |
10 | # * versioned symbols | |
11 | ||
12 | # Library name: | |
13 | LIBNAME = libpng12 | |
14 | PNGMAJ = 0 | |
15 | PNGMIN = 1.2.20 | |
16 | PNGVER = $(PNGMAJ).$(PNGMIN) | |
17 | ||
18 | # Shared library names: | |
19 | LIBSO=$(LIBNAME).so | |
20 | LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) | |
21 | LIBSOVER=$(LIBNAME).so.$(PNGVER) | |
22 | OLDSO=libpng.so | |
23 | OLDSOMAJ=libpng.so.3 | |
24 | OLDSOVER=libpng.so.3.$(PNGMIN) | |
25 | ||
26 | # Utilities: | |
27 | AR_RC=ar rc | |
28 | CC=gcc | |
29 | MKDIR_P=mkdir -p | |
30 | LN_SF=ln -sf | |
31 | RANLIB=ranlib | |
32 | RM_F=/bin/rm -f | |
33 | ||
34 | # where "make install" puts libpng12.a, libpng12.so*, | |
35 | # libpng12/png.h and libpng12/pngconf.h | |
36 | # Prefix must be a full pathname. | |
37 | prefix=/usr/local | |
38 | exec_prefix=$(prefix) | |
39 | ||
40 | # Where the zlib library and include files are located. | |
41 | ZLIBLIB=/usr/local/lib | |
42 | ZLIBINC=/usr/local/include | |
43 | # ZLIBLIB=../zlib | |
44 | # ZLIBINC=../zlib | |
45 | ||
46 | ALIGN= | |
47 | # for i386: | |
48 | #ALIGN=-malign-loops=2 -malign-functions=2 | |
49 | ||
50 | WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ | |
51 | -Wmissing-declarations -Wtraditional -Wcast-align \ | |
52 | -Wstrict-prototypes -Wmissing-prototypes #-Wconversion | |
53 | ||
54 | # for pgcc version 2.95.1, -O3 is buggy; don't use it. | |
55 | ||
56 | CFLAGS=-Wall -D_REENTRANT -O2 \ | |
57 | $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 | |
58 | ||
59 | LDFLAGS=-L. -lpng12 | |
60 | LDFLAGS_A=libpng.a -lz -lm | |
61 | LIBADDFLAGS=-lz -lm | |
62 | ||
63 | ||
64 | INCPATH=$(prefix)/include | |
65 | LIBPATH=$(exec_prefix)/lib | |
66 | MANPATH=$(prefix)/man | |
67 | BINPATH=$(exec_prefix)/bin | |
68 | ||
69 | # override DESTDIR= on the make install command line to easily support | |
70 | # installing into a temporary location. Example: | |
71 | # | |
72 | # make install DESTDIR=/tmp/build/libpng | |
73 | # | |
74 | # If you're going to install into a temporary location | |
75 | # via DESTDIR, $(DESTDIR)$(prefix) must already exist before | |
76 | # you execute make install. | |
77 | DESTDIR= | |
78 | ||
79 | DB=$(DESTDIR)$(BINPATH) | |
80 | DI=$(DESTDIR)$(INCPATH) | |
81 | DL=$(DESTDIR)$(LIBPATH) | |
82 | DM=$(DESTDIR)$(MANPATH) | |
83 | ||
84 | OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ | |
85 | pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ | |
86 | pngwtran.o pngmem.o pngerror.o pngpread.o | |
87 | ||
88 | OBJSDLL = $(OBJS:.o=.pic.o) | |
89 | ||
90 | .SUFFIXES: .c .o .pic.o | |
91 | ||
92 | .c.pic.o: | |
93 | $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c | |
94 | ||
95 | all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config | |
96 | ||
97 | libpng.a: $(OBJS) | |
98 | $(AR_RC) $@ $(OBJS) | |
99 | $(RANLIB) $@ | |
100 | ||
101 | libpng.pc: | |
102 | cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc | |
103 | ||
104 | libpng.syms: png.h pngconf.h | |
105 | $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\ | |
106 | awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG12_%s {global:\n",PNGMAJ)}\ | |
107 | { for (i=1;i+2<=NF;++i)\ | |
108 | if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\ | |
109 | print $$(i+1) ";";\ | |
110 | for (i=1;i+1<=NF;++i)\ | |
111 | if ($$(i)=="PNG_DATA_EXPORT")\ | |
112 | print $$(i+1) ";";}\ | |
113 | END{print "local: *; };"}' >$@.new | |
114 | $(RM_F) $@ | |
115 | mv $@.new $@ | |
116 | ||
117 | libpng-config: | |
118 | ( cat scripts/libpng-config-head.in; \ | |
119 | echo prefix=\"$(prefix)\"; \ | |
120 | echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ | |
121 | echo L_opts=\"\"; \ | |
122 | echo R_opts=\"\"; \ | |
123 | echo libs=\"-lpng12\"; \ | |
124 | echo all_libs=\"-lpng12 $(LIBADDFLAGS)\"; \ | |
125 | cat scripts/libpng-config-body.in ) > libpng-config | |
126 | chmod +x libpng-config | |
127 | ||
128 | $(LIBSO): $(LIBSOMAJ) | |
129 | $(LN_SF) $(LIBSOMAJ) $(LIBSO) | |
130 | ||
131 | $(LIBSOMAJ): $(LIBSOVER) | |
132 | $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) | |
133 | ||
134 | $(LIBSOVER): $(OBJSDLL) libpng.syms | |
135 | $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \ | |
136 | -Wl,-version-script,libpng.syms \ | |
137 | -o $(LIBSOVER) \ | |
138 | $(OBJSDLL) | |
139 | ||
140 | $(OLDSOVER): $(OBJSDLL) libpng.syms | |
141 | $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ | |
142 | -Wl,-version-script,libpng.syms \ | |
143 | -o $(OLDSOVER) \ | |
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 | |
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 $(DI)/$(LIBNAME) | |
166 | chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h | |
167 | -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h | |
168 | -@$(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 $(LIBSOVER) libpng.pc \ | |
179 | $(OLDSOVER) | |
180 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi | |
181 | -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) | |
182 | -@$(RM_F) $(DL)/$(LIBSOMAJ) | |
183 | -@$(RM_F) $(DL)/$(OLDSO) | |
184 | -@$(RM_F) $(DL)/$(OLDSOMAJ) | |
185 | -@$(RM_F) $(DL)/$(OLDSOVER)* | |
186 | cp $(LIBSOVER) $(DL) | |
187 | cp $(OLDSOVER) $(DL) | |
188 | chmod 755 $(DL)/$(LIBSOVER) | |
189 | chmod 755 $(DL)/$(OLDSOVER) | |
190 | (cd $(DL); \ | |
191 | $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ | |
192 | $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ | |
193 | $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ | |
194 | $(LN_SF) $(LIBSOMAJ) $(LIBSO)) | |
195 | -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi | |
196 | -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc | |
197 | -@$(RM_F) $(DL)/pkgconfig/libpng.pc | |
198 | cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc | |
199 | chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc | |
200 | (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) | |
201 | ||
202 | install-man: libpng.3 libpngpf.3 png.5 | |
203 | -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi | |
204 | -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi | |
205 | -@$(RM_F) $(DM)/man3/libpng.3 | |
206 | -@$(RM_F) $(DM)/man3/libpngpf.3 | |
207 | cp libpng.3 $(DM)/man3 | |
208 | cp libpngpf.3 $(DM)/man3 | |
209 | -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi | |
210 | -@$(RM_F) $(DM)/man5/png.5 | |
211 | cp png.5 $(DM)/man5 | |
212 | ||
213 | install-config: libpng-config | |
214 | -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi | |
215 | -@$(RM_F) $(DB)/libpng-config | |
216 | -@$(RM_F) $(DB)/$(LIBNAME)-config | |
217 | cp libpng-config $(DB)/$(LIBNAME)-config | |
218 | chmod 755 $(DB)/$(LIBNAME)-config | |
219 | (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) | |
220 | ||
221 | install: install-static install-shared install-man install-config | |
222 | ||
223 | # If you installed in $(DESTDIR), test-installed won't work until you | |
224 | # move the library to its final location. Use test-dd to test it | |
225 | # before then. | |
226 | ||
227 | test-dd: | |
228 | echo | |
229 | echo Testing installed dynamic shared library in $(DL). | |
230 | $(CC) -I$(DI) -I$(ZLIBINC) \ | |
231 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ | |
232 | -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ | |
233 | -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` | |
234 | ./pngtestd pngtest.png | |
235 | ||
236 | test-installed: | |
237 | $(CC) -I$(ZLIBINC) \ | |
238 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ | |
239 | -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ | |
240 | -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` | |
241 | ./pngtesti pngtest.png | |
242 | ||
243 | clean: | |
244 | $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \ | |
245 | $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ | |
246 | $(OLDSOVER) \ | |
247 | libpng.pc | |
248 | ||
249 | DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO | |
250 | writelock: | |
251 | chmod a-w *.[ch35] $(DOCS) scripts/* | |
252 | ||
253 | # DO NOT DELETE THIS LINE -- make depend depends on it. | |
254 | ||
255 | png.o png.pic.o: png.h pngconf.h | |
256 | pngerror.o pngerror.pic.o: png.h pngconf.h | |
257 | pngrio.o pngrio.pic.o: png.h pngconf.h | |
258 | pngwio.o pngwio.pic.o: png.h pngconf.h | |
259 | pngmem.o pngmem.pic.o: png.h pngconf.h | |
260 | pngset.o pngset.pic.o: png.h pngconf.h | |
261 | pngget.o pngget.pic.o: png.h pngconf.h | |
262 | pngread.o pngread.pic.o: png.h pngconf.h | |
263 | pngrtran.o pngrtran.pic.o: png.h pngconf.h | |
264 | pngrutil.o pngrutil.pic.o: png.h pngconf.h | |
265 | pngtrans.o pngtrans.pic.o: png.h pngconf.h | |
266 | pngwrite.o pngwrite.pic.o: png.h pngconf.h | |
267 | pngwtran.o pngwtran.pic.o: png.h pngconf.h | |
268 | pngwutil.o pngwutil.pic.o: png.h pngconf.h | |
269 | pngpread.o pngpread.pic.o: png.h pngconf.h | |
270 | ||
271 | pngtest.o: png.h pngconf.h |