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      1 # makefile for cygwin on x86
      2 #   Builds both dll (with import lib) and static lib versions
      3 #   of the library, and builds two copies of pngtest: one
      4 #   statically linked and one dynamically linked.
      5 #
      6 # Copyright (C) 2002, 2006-2008 Soren Anderson, Charles Wilson,
      7 #    and Glenn Randers-Pehrson, based on makefile for linux-elf w/mmx by:
      8 # Copyright (C) 1998-2000 Greg Roelofs
      9 # Copyright (C) 1996, 1997 Andreas Dilger
     10 #
     11 # This code is released under the libpng license.
     12 # For conditions of distribution and use, see the disclaimer
     13 # and license in png.h
     14 
     15 # This makefile intends to support building outside the src directory
     16 # if desired. When invoking it, specify an argument to SRCDIR on the
     17 # command line that points to the top of the directory where your source
     18 # is located.
     19 
     20 ifdef SRCDIR
     21 VPATH = $(SRCDIR)
     22 else
     23 SRCDIR = .
     24 endif
     25 
     26 # Override DESTDIR= on the make install command line to easily support
     27 # installing into a temporary location.  Example:
     28 #
     29 #    make install DESTDIR=/tmp/build/libpng
     30 #
     31 # If you're going to install into a temporary location
     32 # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
     33 # you execute make install.
     34 
     35 DESTDIR=
     36 
     37 CC=gcc
     38 ifdef MINGW
     39 MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw
     40 MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
     41 endif
     42 
     43 # Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
     44 ifndef prefix
     45 prefix=/usr
     46 $(warning You haven't specified a 'prefix=' location. Defaulting to "/usr")
     47 endif
     48 exec_prefix=$(prefix)
     49 
     50 # Where the zlib library and include files are located
     51 ZLIBLIB= /usr/lib
     52 ZLIBINC=
     53 #ZLIBLIB=../zlib
     54 #ZLIBINC=../zlib
     55 
     56 ALIGN=
     57 # for i386:
     58 #ALIGN=-malign-loops=2 -malign-functions=2
     59 
     60 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
     61 	-Wmissing-declarations -Wtraditional -Wcast-align \
     62 	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
     63 
     64 ### if you don't need thread safety, but want the asm accel
     65 #CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_THREAD_UNSAFE_OK \
     66 #	$(addprefix -I,$(ZLIBINC)) -W -Wall -O $(ALIGN) -funroll-loops \
     67 #	-fomit-frame-pointer)  # $(WARNMORE) -g -DPNG_DEBUG=5
     68 ### if you need thread safety and want (minimal) asm accel
     69 #CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
     70 #	-W -Wall -O $(ALIGN) -funroll-loops \
     71 #	-fomit-frame-pointer)  # $(WARNMORE) -g -DPNG_DEBUG=5
     72 ### Normal (non-asm) compilation
     73 CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
     74         -W -Wall -O3 $(ALIGN) -funroll-loops -DPNG_NO_MMX_CODE \
     75 	-fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
     76 
     77 LIBNAME = libpng12
     78 PNGMAJ = 0
     79 CYGDLL = 12
     80 PNGMIN = 1.2.46
     81 PNGVER = $(PNGMAJ).$(PNGMIN)
     82 
     83 SHAREDLIB=cygpng$(CYGDLL).dll
     84 STATLIB=libpng.a
     85 IMPLIB=libpng.dll.a
     86 SHAREDDEF=libpng.def
     87 LIBS=$(SHAREDLIB) $(STATLIB)
     88 EXE=.exe
     89 
     90 LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz)
     91 LDSFLAGS=$(strip -shared -L.  $(MINGW_LDFLAGS) -Wl,--export-all)
     92 LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz
     93 
     94 MKDIR_P=/bin/mkdir -pv
     95 RANLIB=ranlib
     96 #RANLIB=echo
     97 
     98 INCPATH=$(prefix)/include
     99 LIBPATH=$(exec_prefix)/lib
    100 
    101 BINPATH=$(exec_prefix)/bin
    102 MANPATH=$(prefix)/man
    103 MAN3PATH=$(MANPATH)/man3
    104 MAN5PATH=$(MANPATH)/man5
    105 
    106 # cosmetic: shortened strings:
    107 S =$(SRCDIR)
    108 D =$(DESTDIR)
    109 DB =$(D)$(BINPATH)
    110 DI =$(D)$(INCPATH)
    111 DL =$(D)$(LIBPATH)
    112 
    113 OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
    114 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
    115 	pngwtran.o pngmem.o pngerror.o pngpread.o
    116 
    117 OBJSDLL = $(OBJS:.o=.pic.o)
    118 
    119 .SUFFIXES: .c .o .pic.o
    120 
    121 %.o : %.c
    122 	$(CC) -c $(CFLAGS) -o $@ $<
    123 %.pic.o : CFLAGS += -DPNG_BUILD_DLL
    124 %.pic.o : %.c
    125 	$(CC) -c $(CFLAGS) -o $@ $<
    126 
    127 all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config
    128 
    129 # Make this to verify that "make [...] install" will do what you want.
    130 buildsetup-tell:
    131 	@echo  VPATH is set to: \"$(VPATH)\"
    132 	@echo  prefix is set to: \"$(prefix)\"
    133 	@echo -e INCPATH,LIBPATH, etc. are set to:'\n' \
    134  $(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \
    135    $(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n'
    136 
    137 libpng.pc: scripts/libpng.pc.in
    138 	@echo -e Making pkg-config file for this libpng installation..'\n' \
    139            using PREFIX=\"$(prefix)\"'\n'
    140 	cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
    141 	-e s!@exec_prefix@!$(exec_prefix)! \
    142 	-e s!@libdir@!$(LIBPATH)! \
    143 	-e s!@includedir@!$(INCPATH)! \
    144 	-e s!-lpng12!-lpng12\ -lz! > libpng.pc
    145 
    146 libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in
    147 	@echo -e Making $(LIBNAME) libpng-config file for this libpng \
    148  installation..'\n' using PREFIX=\"$(prefix)\"'\n'
    149 	( cat $(S)/scripts/libpng-config-head.in; \
    150 	echo prefix=\"$(prefix)\"; \
    151 	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
    152 	echo L_opts=\"-L$(LIBPATH)\"; \
    153 	echo libs=\"-lpng$(CYGDLL) -lz\"; \
    154 	cat $(S)/scripts/libpng-config-body.in ) > libpng-config
    155 	chmod +x libpng-config
    156 
    157 static: all-static
    158 shared: all-shared
    159 all-static: $(STATLIB) pngtest-stat$(EXE)
    160 all-shared: $(SHAREDLIB) pngtest$(EXE)
    161 
    162 $(STATLIB): $(OBJS)
    163 	ar rc $@ $(OBJS)
    164 	$(RANLIB) $@
    165 
    166 $(SHAREDDEF): scripts/pngw32.def
    167 	cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \
    168 	sed -e 's/\([^;]*\);/;/' > $@
    169 
    170 $(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)
    171 	$(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA)
    172 
    173 pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)
    174 	$(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
    175 
    176 pngtest-stat$(EXE): pngtest.o $(STATLIB)
    177 	$(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@
    178 
    179 pngtest.pic.o: pngtest.c
    180 	$(CC) $(CFLAGS) -c $< -o $@
    181 
    182 pngtest.o: pngtest.c png.h pngconf.h
    183 	$(CC) $(CFLAGS) -c $< -o $@
    184 
    185 test: test-static test-shared
    186 
    187 test-static: pngtest-stat$(EXE)
    188 	./pngtest-stat $(S)/pngtest.png
    189 
    190 test-shared: pngtest$(EXE)
    191 	./pngtest $(S)/pngtest.png
    192 
    193 install-static: $(STATLIB) install-headers install-man
    194 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
    195 	install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a
    196 	-@rm -f $(DL)/$(STATLIB)
    197 	(cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))
    198 
    199 install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man
    200 	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
    201 	-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
    202 	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
    203 	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
    204 	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
    205 	install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a
    206 	-@rm -f $(DL)/$(IMPLIB)
    207 	(cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))
    208 	install -s -m 755 $(SHAREDLIB) $(DB)
    209 	install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
    210 	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
    211 
    212 install-headers:
    213 	-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
    214 	-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
    215 	-@rm -f $(DI)/png.h
    216 	-@rm -f $(DI)/pngconf.h
    217 	install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)
    218 	-@rm -f $(DI)/libpng
    219 	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
    220 
    221 install-man:
    222 	-@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR_P) $(D)$(MAN3PATH); fi
    223 	-@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR_P) $(D)$(MAN5PATH); fi
    224 	install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)
    225 	install -m 644 $(S)/png.5 $(D)$(MAN5PATH)
    226 
    227 install-config: libpng-config
    228 	-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
    229 	-@/bin/rm -f $(DB)/libpng-config
    230 	-@/bin/rm -f $(DB)/$(LIBNAME)-config
    231 	cp libpng-config $(DB)/$(LIBNAME)-config
    232 	chmod 755 $(DB)/$(LIBNAME)-config
    233 	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
    234 
    235 # Run this to verify that a future `configure' run will pick up the settings
    236 # you want.
    237 test-config-install: SHELL=/bin/bash
    238 test-config-install: $(DB)/libpng-config
    239 	@echo -e Testing libpng-config functions...'\n'
    240 	@ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \
    241    do \
    242     printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \
    243     "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
    244     gytiu=$$(( $$gytiu + 1 )); \
    245    done
    246 
    247 install: install-static install-shared install-man install-config
    248 
    249 # If you installed in $(DESTDIR), test-installed won't work until you
    250 # move the library to its final location.  Use test-dd to test it
    251 # before then.
    252 
    253 test-dd:
    254 	echo
    255 	echo Testing installed dynamic shared library in $(DL).
    256 	$(CC) -I$(DI) $(CFLAGS) \
    257 	   `$(BINPATH)/libpng12-config --cflags` pngtest.c \
    258 	   -L$(DL) -L$(ZLIBLIB) \
    259 	   -o pngtestd `$(BINPATH)/libpng12-config --ldflags`
    260 	./pngtestd pngtest.png
    261 
    262 test-installed:
    263 	$(CC) $(CFLAGS) \
    264 	   `$(BINPATH)/libpng12-config --cflags` pngtest.c \
    265 	   -L$(ZLIBLIB) \
    266 	   -o pngtesti$(EXE) `$(BINPATH)/libpng12-config --ldflags`
    267 	./pngtesti$(EXE) pngtest.png
    268 
    269 clean:
    270 	/bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \
    271 	pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \
    272 	libpng-config libpng.pc pngtesti$(EXE)
    273 
    274 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
    275 writelock:
    276 	chmod a-w *.[ch35] $(DOCS) scripts/*
    277 
    278 .PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean
    279 
    280 # DO NOT DELETE THIS LINE -- make depend depends on it.
    281 
    282 png.o png.pic.o:		png.h pngconf.h png.c
    283 pngerror.o pngerror.pic.o:	png.h pngconf.h pngerror.c
    284 pngrio.o pngrio.pic.o:		png.h pngconf.h pngrio.c
    285 pngwio.o pngwio.pic.o:		png.h pngconf.h pngwio.c
    286 pngmem.o pngmem.pic.o:		png.h pngconf.h pngmem.c
    287 pngset.o pngset.pic.o:		png.h pngconf.h pngset.c
    288 pngget.o pngget.pic.o:		png.h pngconf.h pngget.c
    289 pngread.o pngread.pic.o:	png.h pngconf.h pngread.c
    290 pngrtran.o pngrtran.pic.o:	png.h pngconf.h pngrtran.c
    291 pngrutil.o pngrutil.pic.o:	png.h pngconf.h pngrutil.c
    292 pngtrans.o pngtrans.pic.o:	png.h pngconf.h pngtrans.c
    293 pngwrite.o pngwrite.pic.o:	png.h pngconf.h pngwrite.c
    294 pngwtran.o pngwtran.pic.o:	png.h pngconf.h pngwtran.c
    295 pngwutil.o pngwutil.pic.o:	png.h pngconf.h pngwutil.c
    296 pngpread.o pngpread.pic.o:	png.h pngconf.h pngpread.c
    297 
    298 pngtest.o:			png.h pngconf.h pngtest.c
    299 pngtest-stat.o:			png.h pngconf.h pngtest.c
    300 
    301 
    302 
    303