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1 | # makefile for libpng.a and libpng16.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 = libpng16 | |
12 | PNGMAJ = 16 | |
13 | RELEASE = 2 | |
14 | ||
15 | # Shared library names: | |
16 | LIBSO=$(LIBNAME).so | |
17 | LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) | |
18 | LIBSOREL=$(LIBSOMAJ).$(RELEASE) | |
19 | OLDSO=libpng.so | |
20 | ||
21 | # Utilities: | |
22 | AR_RC=ar rc | |
23 | CC=gcc | |
24 | MKDIR_P=mkdir -p | |
25 | LN_SF=ln -sf | |
26 | RANLIB=ranlib | |
27 | RM_F=/bin/rm -f | |
28 | ||
29 | # where "make install" puts libpng16.a, libpng16.so*, | |
30 | # libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.h | |
31 | # Prefix must be a full pathname. | |
32 | prefix=/usr/local | |
33 | exec_prefix=$(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,$(ZLIBLIB) -lpng16 -lz -lm | |
55 | LDFLAGS_A=-L$(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@!$(INCPATH)! \ | |
103 | -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc | |
104 | ||
105 | libpng-config: | |
106 | ( cat scripts/libpng-config-head.in; \ | |
107 | echo prefix=\"$(prefix)\"; \ | |
108 | echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ | |
109 | echo L_opts=\"-L$(LIBPATH)\"; \ | |
110 | echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ | |
111 | echo libs=\"-lpng16 -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 pnglibconf.h |