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      1 # makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX
      2 # assembler code
      3 # Copyright 2002, 2006, 2008 Greg Roelofs and Glenn Randers-Pehrson
      4 # Copyright 1998-2001 Greg Roelofs
      5 # Copyright 1996-1997 Andreas Dilger
      6 
      7 # This code is released under the libpng license.
      8 # For conditions of distribution and use, see the disclaimer
      9 # and license in png.h
     10 
     11 # CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.
     12 
     13 # NOTE:  When testing MMX performance on a multitasking system, make sure
     14 #        there are no floating-point programs (e.g., SETI@Home) running in
     15 #        the background!  Context switches between MMX and FPU are expensive.
     16 
     17 # Library name:
     18 LIBNAME = libpng12
     19 PNGMAJ = 0
     20 PNGMIN = 1.2.46
     21 PNGVER = $(PNGMAJ).$(PNGMIN)
     22 
     23 # Shared library names:
     24 LIBSO=$(LIBNAME).so
     25 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
     26 LIBSOVER=$(LIBNAME).so.$(PNGVER)
     27 OLDSO=libpng.so
     28 OLDSOMAJ=libpng.so.3
     29 OLDSOVER=libpng.so.3.$(PNGMIN)
     30 
     31 # Utilities:
     32 CC = gcc
     33 LD = $(CC)
     34 AR_RC = ar rc
     35 LN_SF = ln -sf
     36 MKDIR_P = mkdir -p
     37 RANLIB = ranlib
     38 RM_F = /bin/rm -f
     39 
     40 # where "make install" puts libpng12.a, libpng12.so*,
     41 # libpng12/png.h and libpng12/pngconf.h
     42 # Prefix must be a full pathname.
     43 prefix=/usr/local
     44 exec_prefix=$(prefix)
     45 
     46 # Where the zlib library and include files are located.
     47 #ZLIBLIB=/usr/local/lib
     48 #ZLIBINC=/usr/local/include
     49 ZLIBLIB=../zlib
     50 ZLIBINC=../zlib
     51 
     52 ALIGN=
     53 # for i386:
     54 #ALIGN=-malign-loops=2 -malign-functions=2
     55 
     56 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
     57 	-Wmissing-declarations -Wtraditional -Wcast-align \
     58 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
     59 
     60 # for pgcc version 2.95.1, -O3 is buggy; don't use it.
     61 
     62 # Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
     63 ### for generic gcc:
     64 CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
     65 	$(ALIGN) -funroll-loops \
     66 	-fomit-frame-pointer  # $(WARNMORE) -g -DPNG_DEBUG=5
     67 ### for gcc 2.95.2 on 686:
     68 #CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
     69 #	-mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
     70 #	$(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
     71 ### for gcc 2.7.2.3 on 486 and up:
     72 #CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \
     73 #	-m486 -malign-double -ffast-math \
     74 #	$(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
     75 
     76 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
     77 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
     78 
     79 
     80 INCPATH=$(prefix)/include
     81 LIBPATH=$(exec_prefix)/lib
     82 MANPATH=$(prefix)/man
     83 BINPATH=$(exec_prefix)/bin
     84 
     85 # override DESTDIR= on the make install command line to easily support
     86 # installing into a temporary location.  Example:
     87 #
     88 #    make install DESTDIR=/tmp/build/libpng
     89 #
     90 # If you're going to install into a temporary location
     91 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
     92 # you execute make install.
     93 DESTDIR=
     94 
     95 DB=$(DESTDIR)$(BINPATH)
     96 DI=$(DESTDIR)$(INCPATH)
     97 DL=$(DESTDIR)$(LIBPATH)
     98 DM=$(DESTDIR)$(MANPATH)
     99 
    100 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
    101 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
    102 	pngwtran.o pngmem.o pngerror.o pngpread.o
    103 
    104 OBJSDLL = $(OBJS:.o=.pic.o)
    105 
    106 .SUFFIXES:      .c .o .pic.o
    107 
    108 .c.pic.o:
    109 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
    110 
    111 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
    112 
    113 libpng.a: $(OBJS)
    114 	$(AR_RC) $@ $(OBJS)
    115 	$(RANLIB) $@
    116 
    117 libpng.pc:
    118 	cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
    119 	-e s!@exec_prefix@!$(exec_prefix)! \
    120 	-e s!@libdir@!$(LIBPATH)! \
    121 	-e s!@includedir@!$(INCPATH)! \
    122 	-e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
    123 
    124 libpng-config:
    125 	( cat scripts/libpng-config-head.in; \
    126 	echo prefix=\"$(prefix)\"; \
    127 	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
    128 	echo cppflags=\"-DPNG_THREAD_UNSAFE_OK \"; \
    129 	echo L_opts=\"-L$(LIBPATH)\"; \
    130 	echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
    131 	echo libs=\"-lpng12 -lz -lm\"; \
    132 	cat scripts/libpng-config-body.in ) > libpng-config
    133 	chmod +x libpng-config
    134 
    135 $(LIBSO): $(LIBSOMAJ)
    136 	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
    137 
    138 $(LIBSOMAJ): $(LIBSOVER)
    139 	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
    140 
    141 $(LIBSOVER): $(OBJSDLL)
    142 	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) \
    143 	-o $(LIBSOVER) \
    144 	$(OBJSDLL)
    145 
    146 $(OLDSOVER): $(OBJSDLL)
    147 	$(CC) -shared -Wl,-soname,$(OLDSOMAJ) \
    148 	-o $(OLDSOVER) \
    149 	$(OBJSDLL)
    150 
    151 pngtest: pngtest.o $(LIBSO)
    152 	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
    153 
    154 pngtest-static: pngtest.o libpng.a
    155 	$(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
    156 
    157 test: pngtest pngtest-static
    158 	@echo ""
    159 	@echo "   Running pngtest dynamically linked with $(LIBSO):"
    160 	@echo ""
    161 	./pngtest
    162 	@echo ""
    163 	@echo "   Running pngtest statically linked with libpng.a:"
    164 	@echo ""
    165 	./pngtest-static
    166 
    167 install-headers: png.h pngconf.h
    168 	-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
    169 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
    170 	cp png.h pngconf.h $(DI)/$(LIBNAME)
    171 	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
    172 	-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
    173 	-@$(RM_F) $(DI)/libpng
    174 	(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
    175 
    176 install-static: install-headers libpng.a
    177 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
    178 	cp libpng.a $(DL)/$(LIBNAME).a
    179 	chmod 644 $(DL)/$(LIBNAME).a
    180 	-@$(RM_F) $(DL)/libpng.a
    181 	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
    182 
    183 install-shared: install-headers $(LIBSOVER) libpng.pc \
    184 	$(OLDSOVER)
    185 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
    186 	-@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
    187 	-@$(RM_F) $(DL)/$(LIBSOMAJ)
    188 	-@$(RM_F) $(DL)/$(OLDSO)
    189 	-@$(RM_F) $(DL)/$(OLDSOMAJ)
    190 	-@$(RM_F) $(DL)/$(OLDSOVER)*
    191 	cp $(LIBSOVER) $(DL)
    192 	cp $(OLDSOVER) $(DL)
    193 	chmod 755 $(DL)/$(LIBSOVER)
    194 	chmod 755 $(DL)/$(OLDSOVER)
    195 	(cd $(DL); \
    196 	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
    197 	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
    198 	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
    199 	$(LN_SF) $(LIBSOMAJ) $(LIBSO))
    200 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
    201 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
    202 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
    203 	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
    204 	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
    205 	(cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
    206 
    207 install-man: libpng.3 libpngpf.3 png.5
    208 	-@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
    209 	-@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
    210 	-@$(RM_F) $(DM)/man3/libpng.3
    211 	-@$(RM_F) $(DM)/man3/libpngpf.3
    212 	cp libpng.3 $(DM)/man3
    213 	cp libpngpf.3 $(DM)/man3
    214 	-@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
    215 	-@$(RM_F) $(DM)/man5/png.5
    216 	cp png.5 $(DM)/man5
    217 
    218 install-config: libpng-config
    219 	-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
    220 	-@$(RM_F) $(DB)/libpng-config
    221 	-@$(RM_F) $(DB)/$(LIBNAME)-config
    222 	cp libpng-config $(DB)/$(LIBNAME)-config
    223 	chmod 755 $(DB)/$(LIBNAME)-config
    224 	(cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
    225 
    226 install: install-static install-shared install-man install-config
    227 
    228 # If you installed in $(DESTDIR), test-installed won't work until you
    229 # move the library to its final location.  Use test-dd to test it
    230 # before then.
    231 
    232 test-dd:
    233 	echo
    234 	echo Testing installed dynamic shared library in $(DL).
    235 	$(CC) -I$(DI) -I$(ZLIBINC) \
    236 	   `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
    237 	   -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
    238 	   -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
    239 	./pngtestd pngtest.png
    240 
    241 test-installed:
    242 	$(CC) -I$(ZLIBINC) \
    243 	   `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
    244 	   -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
    245 	   -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
    246 	./pngtesti pngtest.png
    247 
    248 clean:
    249 	$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
    250 	$(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
    251 	$(OLDSOVER) \
    252 	libpng.pc
    253 
    254 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
    255 writelock:
    256 	chmod a-w *.[ch35] $(DOCS) scripts/*
    257 
    258 png.o png.pic.o:		png.h pngconf.h png.c
    259 pngerror.o pngerror.pic.o:	png.h pngconf.h pngerror.c
    260 pngrio.o pngrio.pic.o:		png.h pngconf.h pngrio.c
    261 pngwio.o pngwio.pic.o:		png.h pngconf.h pngwio.c
    262 pngmem.o pngmem.pic.o:		png.h pngconf.h pngmem.c
    263 pngset.o pngset.pic.o:		png.h pngconf.h pngset.c
    264 pngget.o pngget.pic.o:		png.h pngconf.h pngget.c
    265 pngread.o pngread.pic.o:	png.h pngconf.h pngread.c
    266 pngrtran.o pngrtran.pic.o:	png.h pngconf.h pngrtran.c
    267 pngrutil.o pngrutil.pic.o:	png.h pngconf.h pngrutil.c
    268 pngtrans.o pngtrans.pic.o:	png.h pngconf.h pngtrans.c
    269 pngwrite.o pngwrite.pic.o:	png.h pngconf.h pngwrite.c
    270 pngwtran.o pngwtran.pic.o:	png.h pngconf.h pngwtran.c
    271 pngwutil.o pngwutil.pic.o:	png.h pngconf.h pngwutil.c
    272 pngpread.o pngpread.pic.o:	png.h pngconf.h pngpread.c
    273 
    274 pngtest.o:			png.h pngconf.h pngtest.c
    275