1 # makefile for libpng.a and libpng16.so on Linux ELF with gcc
2 # Copyright (C) 1998,1999,2002,2006,2008,2010-2014,2017 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 \
47 # -Wmissing-declarations -Wtraditional -Wcast-align \
48 # -Wstrict-prototypes -Wmissing-prototypes
50 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
53 CPPFLAGS += -DPNG_ARM_NEON
54 CPPFLAGS += -DPNG_MIPS_MSA
55 CPPFLAGS += -DPNG_INTEL_SSE
56 CPPFLAGS += -DPNG_POWERPC_VSX
57 CPPFLAGS+=-ansi -pedantic -Wextra -Wall -Wshadow -Wno-sign-conversion
58 CPPFLAGS+=-W -Wall -Wconversion $(ALIGN)
59 # CPPFLAGS+=$(WARNMORE)
60 CFLAGS= -O3 -funroll-loops
62 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm
63 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
65 INCPATH=$(prefix)/include
66 LIBPATH=$(exec_prefix)/lib
68 BINPATH=$(exec_prefix)/bin
70 # override DESTDIR= on the make install command line to easily support
71 # installing into a temporary location. Example:
73 # make install DESTDIR=/tmp/build/libpng
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.
80 DB=$(DESTDIR)$(BINPATH)
81 DI=$(DESTDIR)$(INCPATH)
82 DL=$(DESTDIR)$(LIBPATH)
83 DM=$(DESTDIR)$(MANPATH)
85 # Pre-built configuration
86 # See scripts/pnglibconf.mak for more options
87 PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
89 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
90 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
91 pngwtran.o pngmem.o pngerror.o pngpread.o \
92 arm/arm_init.o arm/filter_neon_intrinsics.o \
93 mips/mips_init.o mips/filter_msa_intrinsics.o \
94 intel/intel_init.o intel/filter_sse2_intrinsics.o\
95 powerpc/powerpc_init.o powerpc/filter_vsx_intrinsics.o
97 OBJSDLL = $(OBJS:.o=.pic.o)
99 .SUFFIXES: .c .o .pic.o
102 $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
105 $(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $*.c
107 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
109 pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
110 $(CP) $(PNGLIBCONF_H_PREBUILT) $@
117 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
118 -e s!@exec_prefix@!$(exec_prefix)! \
119 -e s!@libdir@!$(LIBPATH)! \
120 -e s!@includedir@!$(INCPATH)! \
121 -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc
124 ( cat scripts/libpng-config-head.in; \
125 echo prefix=\"$(prefix)\"; \
126 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
127 echo L_opts=\"-L$(LIBPATH)\"; \
128 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
129 echo libs=\"-lpng16 -lz -lm\"; \
130 cat scripts/libpng-config-body.in ) > libpng-config
131 chmod +x libpng-config
133 $(LIBSO): $(LIBSOMAJ)
134 $(LN_SF) $(LIBSOMAJ) $(LIBSO)
136 $(LIBSOMAJ): $(OBJSDLL)
137 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL)
139 pngtest: pngtest.o $(LIBSO)
140 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
142 pngtest-static: pngtest.o libpng.a
143 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
145 test: pngtest pngtest-static
147 @echo " Running pngtest dynamically linked with $(LIBSO):"
151 @echo " Running pngtest statically linked with libpng.a:"
155 install-headers: png.h pngconf.h pnglibconf.h
156 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
157 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
158 cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
159 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
160 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
161 -@$(RM_F) $(DI)/libpng
162 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
164 install-static: install-headers libpng.a
165 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
166 cp libpng.a $(DL)/$(LIBNAME).a
167 chmod 644 $(DL)/$(LIBNAME).a
168 -@$(RM_F) $(DL)/libpng.a
169 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
171 install-shared: install-headers $(LIBSOMAJ) libpng.pc
172 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
173 -@$(RM_F) $(DL)/$(LIBSO)
174 -@$(RM_F) $(DL)/$(LIBSOREL)
175 -@$(RM_F) $(DL)/$(OLDSO)
176 cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
177 chmod 755 $(DL)/$(LIBSOREL)
179 $(LN_SF) $(LIBSOREL) $(LIBSO); \
180 $(LN_SF) $(LIBSO) $(OLDSO))
182 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
183 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
184 -@$(RM_F) $(DL)/pkgconfig/libpng.pc
185 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
186 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
187 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
189 install-man: libpng.3 libpngpf.3 png.5
190 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
191 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
192 -@$(RM_F) $(DM)/man3/libpng.3
193 -@$(RM_F) $(DM)/man3/libpngpf.3
194 cp libpng.3 $(DM)/man3
195 cp libpngpf.3 $(DM)/man3
196 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
197 -@$(RM_F) $(DM)/man5/png.5
200 install-config: libpng-config
201 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
202 -@$(RM_F) $(DB)/libpng-config
203 -@$(RM_F) $(DB)/$(LIBNAME)-config
204 cp libpng-config $(DB)/$(LIBNAME)-config
205 chmod 755 $(DB)/$(LIBNAME)-config
206 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
208 install: install-static install-shared install-man install-config
210 # If you installed in $(DESTDIR), test-installed won't work until you
211 # move the library to its final location. Use test-dd to test it
216 echo Testing installed dynamic shared library in $(DL).
217 $(CC) -I$(DI) $(CPPFLAGS) \
218 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
219 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
220 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
221 ./pngtestd pngtest.png
225 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
226 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
227 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
228 ./pngtesti pngtest.png
231 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
232 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
233 libpng.pc pnglibconf.h
235 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO
237 chmod a-w *.[ch35] $(DOCS) scripts/*
239 # DO NOT DELETE THIS LINE -- make depend depends on it.
241 png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
242 pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
243 pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
244 pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
245 pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
246 pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
247 pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
248 pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
249 pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
250 pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
251 pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
252 pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
253 pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
254 pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
255 pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
256 arm/arm_init.o arm/arm_init.o: pngpriv.h
257 arm/filter_neon_intrinsics.o arm/filter_neon_intrinsics.pic.o: pngpriv.h
258 mips/mips_init.o mips/mips_init.pic.o: pngpriv.h
259 mips/filter_msa_intrinsics.o mips/filter_msa_intrinsics.pic.: pngpriv.h
260 intel/intel_init.o intel/intel_init.pic.: pngpriv.h
261 intel/filter_sse2_intrinsics.o intel/filter_sse2_intrinsics.pic.: pngpriv.h
262 powerpc/powerpc_init.o powerpc/powerpc_init.pic.: pngpriv.h
263 powerpc/filter_vsx_intrinsics.o powerpc/filter_vsx_intrinsics.pic.: pngpriv.h
265 pngtest.o: png.h pngconf.h pnglibconf.h