# makefile for cygwin on x86

#   Builds both dll (with import lib) and static lib versions

#   of the library, and builds two copies of pngtest: one

#   statically linked and one dynamically linked.

#

# Copyright (C) 2002, 2006-2008 Soren Anderson, Charles Wilson,

#    and Glenn Randers-Pehrson, based on makefile for linux-elf w/mmx by:

# Copyright (C) 1998-2000 Greg Roelofs

# Copyright (C) 1996, 1997 Andreas Dilger

# This code is released under the libpng license.

# For conditions of distribution and use, see the disclaimer

# and license in png.h

# This makefile intends to support building outside the src directory

# if desired. When invoking it, specify an argument to SRCDIR on the

# command line that points to the top of the directory where your source

# is located.

ifdef SRCDIR

VPATH = $(SRCDIR)

else

SRCDIR = .

endif

# Override DESTDIR= on the make install command line to easily support

# installing into a temporary location.  Example:

#

#    make install DESTDIR=/tmp/build/libpng

#

# If you're going to install into a temporary location

# via DESTDIR, $(DESTDIR)$(prefix) must already exist before

# you execute make install.

DESTDIR=

CC=gcc

ifdef MINGW

MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw

MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw

endif

# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h

ifndef prefix

prefix=/usr

$(warning You haven't specified a 'prefix=' location. Defaulting to "/usr")

endif

exec_prefix=$(prefix)

# Where the zlib library and include files are located

ZLIBLIB= /usr/lib

ZLIBINC=

#ZLIBLIB=../zlib

#ZLIBINC=../zlib

ALIGN=

# for i386:

#ALIGN=-malign-loops=2 -malign-functions=2

WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \

	-Wmissing-declarations -Wtraditional -Wcast-align \

	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion

CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \

	-fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5

PNGVER = $(PNGMAJ).$(PNGMIN)

SHAREDLIB=cygpng$(CYGDLL).dll

STATLIB=libpng.a

IMPLIB=libpng.dll.a

SHAREDDEF=libpng.def

LIBS=$(SHAREDLIB) $(STATLIB)

EXE=.exe

LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz)

LDSFLAGS=$(strip -shared -L.  $(MINGW_LDFLAGS) -Wl,--export-all)

LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz

MKDIR_P=/bin/mkdir -pv

RANLIB=ranlib

#RANLIB=echo

INCPATH=$(prefix)/include

LIBPATH=$(exec_prefix)/lib

BINPATH=$(exec_prefix)/bin

MANPATH=$(prefix)/man

MAN3PATH=$(MANPATH)/man3

MAN5PATH=$(MANPATH)/man5

# cosmetic: shortened strings:

S =$(SRCDIR)

D =$(DESTDIR)

DB =$(D)$(BINPATH)

DI =$(D)$(INCPATH)

DL =$(D)$(LIBPATH)

OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \

	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \

	pngwtran.o pngmem.o pngerror.o pngpread.o

OBJSDLL = $(OBJS:.o=.pic.o)

.SUFFIXES: .c .o .pic.o

%.o : %.c

	$(CC) -c $(CFLAGS) -o $@ $<

%.pic.o : CFLAGS += -DPNG_BUILD_DLL

%.pic.o : %.c

	$(CC) -c $(CFLAGS) -o $@ $<

all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config

# Make this to verify that "make [...] install" will do what you want.

buildsetup-tell:

	@echo  VPATH is set to: \"$(VPATH)\"

	@echo  prefix is set to: \"$(prefix)\"

	@echo -e INCPATH,LIBPATH, etc. are set to:'\n' \

 $(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \

   $(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n'

libpng.pc: scripts/libpng.pc.in

	@echo -e Making pkg-config file for this libpng installation..'\n' \

           using PREFIX=\"$(prefix)\"'\n'

	cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \

	-e s!@exec_prefix@!$(exec_prefix)! \

	-e s!@libdir@!$(LIBPATH)! \

	-e s!@includedir@!$(INCPATH)! \

libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in

	@echo -e Making $(LIBNAME) libpng-config file for this libpng \

 installation..'\n' using PREFIX=\"$(prefix)\"'\n'

	( cat $(S)/scripts/libpng-config-head.in; \

	echo prefix=\"$(prefix)\"; \

	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \

	echo L_opts=\"-L$(LIBPATH)\"; \

	echo libs=\"-lpng$(CYGDLL) -lz\"; \

	cat $(S)/scripts/libpng-config-body.in ) > libpng-config

	chmod +x libpng-config

static: all-static

shared: all-shared

all-static: $(STATLIB) pngtest-stat$(EXE)

all-shared: $(SHAREDLIB) pngtest$(EXE)

$(STATLIB): $(OBJS)

	ar rc $@ $(OBJS)

	$(RANLIB) $@

	cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \

	sed -e 's/\([^;]*\);/;/' > $@

$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)

	$(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA)

pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)

	$(CC) $(CFLAGS) $< $(LDFLAGS) -o $@

pngtest-stat$(EXE): pngtest.o $(STATLIB)

	$(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@

pngtest.pic.o: pngtest.c

	$(CC) $(CFLAGS) -c $< -o $@

pngtest.o: pngtest.c png.h pngconf.h

	$(CC) $(CFLAGS) -c $< -o $@

test: test-static test-shared

test-static: pngtest-stat$(EXE)

	./pngtest-stat $(S)/pngtest.png

test-shared: pngtest$(EXE)

	./pngtest $(S)/pngtest.png

install-static: $(STATLIB) install-headers install-man

	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi

	install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a

	-@rm -f $(DL)/$(STATLIB)

	(cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))

install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man

	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi

	-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi

	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi

	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc

	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc

	install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a

	-@rm -f $(DL)/$(IMPLIB)

	(cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))

	install -s -m 755 $(SHAREDLIB) $(DB)

	install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc

	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)

install-headers:

	-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi

	-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi

	-@rm -f $(DI)/png.h

	-@rm -f $(DI)/pngconf.h

	install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)

	-@rm -f $(DI)/libpng

	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)

install-man:

	-@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR_P) $(D)$(MAN3PATH); fi

	-@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR_P) $(D)$(MAN5PATH); fi

	install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)

	install -m 644 $(S)/png.5 $(D)$(MAN5PATH)

install-config: libpng-config

	-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi

	-@/bin/rm -f $(DB)/libpng-config

	-@/bin/rm -f $(DB)/$(LIBNAME)-config

	cp libpng-config $(DB)/$(LIBNAME)-config

	chmod 755 $(DB)/$(LIBNAME)-config

	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)

# Run this to verify that a future `configure' run will pick up the settings

# you want.

test-config-install: SHELL=/bin/bash

test-config-install: $(DB)/libpng-config

	@echo -e Testing libpng-config functions...'\n'

	@ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \

   do \

    printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \

    "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \

    gytiu=$$(( $$gytiu + 1 )); \

   done

install: install-static install-shared install-man install-config

# If you installed in $(DESTDIR), test-installed won't work until you

# move the library to its final location.  Use test-dd to test it

# before then.

test-dd:

	echo

	echo Testing installed dynamic shared library in $(DL).

	$(CC) -I$(DI) $(CFLAGS) \

	   -L$(DL) -L$(ZLIBLIB) \

	./pngtestd pngtest.png

test-installed:

	$(CC) $(CFLAGS) \

	   -L$(ZLIBLIB) \

	./pngtesti$(EXE) pngtest.png

clean:

	/bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \

	pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \

	libpng-config libpng.pc pngtesti$(EXE)

DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO

writelock:

	chmod a-w *.[ch35] $(DOCS) scripts/*

.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean

# DO NOT DELETE THIS LINE -- make depend depends on it.

pngtest.o:			png.h pngconf.h pngtest.c

pngtest-stat.o:			png.h pngconf.h pngtest.c