#############################################################################
#
# The XWT upstream code Makefile
#

# deal with Apple's brokenness
setcc := CC="$(patsubst Darwin,/usr/bin/gcc3 -no-cpp-precomp,$(findstring Darwin,$(shell uname)))"
setcc += PATH=`pwd`/upstream/install/bin:$$PATH

# where to get stuff
url_newlib-1.11.0      := ftp://sources.redhat.com/pub/newlib/newlib-1.11.0.tar.gz
url_binutils-2.13.2.1  := ftp://ftp.gnu.org/gnu/binutils/binutils-2.13.2.1.tar.gz 
url_w32api-2.3         := http://umn.dl.sourceforge.net/sourceforge/mingw/w32api-2.3.tar.gz
url_mingw-runtime-3.0  := http://umn.dl.sourceforge.net/sourceforge/mingw/mingw-runtime-3.0.tar.gz
url_freetype-2.1.4     := http://umn.dl.sourceforge.net/sourceforge/freetype/freetype-2.1.4.tar.gz
url_gcc-3.3            := http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-3.3/gcc-3.3.tar.gz 
url_jpeg-6b            := http://www.ijg.org/files/jpegsrc.v6b.tar.gz
url_jikes-1.18         := http://www.megacz.com/tmp/jikes-1.18.tgz       #ftp://www-126.ibm.com/pub/jikes/1.18/jikes-1.18.tar.gz

.install_binutils-2.13.2.1_powerpc-apple-darwin: .vendor
	cd upstream/darwin-linker; tar xvzf ../install/powerpc-apple-darwin/cctools-478.tgz
	cd upstream/darwin-linker/src/cctools; for A in ../../patches/*.patch; do patch -p0 < $$A; done
	cp upstream/darwin-linker/src/cctools/ld/fake-mach.c upstream/darwin-linker/src/cctools/libstuff
	cd upstream/darwin-linker/src/; mkdir macosx-include; cd macosx-include; ../../links.sh
	make -C upstream/darwin-linker/src/cctools/libstuff
	make -C upstream/darwin-linker/src/cctools/misc
	touch upstream/darwin-linker/src/cctools/misc/makeUser.c upstream/darwin-linker/src/cctools/misc/make.h
	make -C upstream/darwin-linker/src/cctools/misc libtool.NEW
	make -C upstream/darwin-linker/src/cctools/ld; true
	make -C upstream/darwin-linker/src/cctools/as
	make -C upstream/darwin-linker/src/cctools/ar
	mkdir -p upstream/install/powerpc-apple-darwin/bin
	cp upstream/darwin-linker/src/cctools/ld/ld_dir/ld.NEW upstream/install/powerpc-apple-darwin/bin/ld.NEW
	echo -e "#!/bin/sh\n"`pwd`"/upstream/install/powerpc-apple-darwin/bin/ld.NEW -dylib_file /usr/lib/system/libmathCommon.A.dylib:"`pwd`"/upstream/install/powerpc-apple-darwin/lib/libmathCommon.A.dylib -L"`pwd`"/upstream/install/powerpc-apple-darwin/lib \$$@\n" > upstream/install/powerpc-apple-darwin/bin/ld
	chmod +x upstream/install/powerpc-apple-darwin/bin/ld
	echo -e "#!/bin/sh\n"`pwd`"/upstream/install/powerpc-apple-darwin/bin/apple-libtool \$$1 -o \$$1\n" > upstream/install/powerpc-apple-darwin/bin/ranlib
	chmod +x upstream/install/powerpc-apple-darwin/bin/ranlib
	cp upstream/darwin-linker/src/cctools/misc/libtool.NEW upstream/install/powerpc-apple-darwin/bin/apple-libtool
	cp upstream/darwin-linker/src/cctools/misc/strip.NEW upstream/install/powerpc-apple-darwin/bin/strip
	cp upstream/darwin-linker/src/cctools/as/appc_dir/as upstream/install/powerpc-apple-darwin/bin/as
	cp upstream/darwin-linker/src/cctools/ar/ar.NEW upstream/install/powerpc-apple-darwin/bin/ar
	mkdir -p upstream/install/bin
	cd upstream/install/bin; ln -sf ../powerpc-apple-darwin/bin/ld powerpc-apple-darwin-ld
	cd upstream/install/bin; ln -sf ../powerpc-apple-darwin/bin/as powerpc-apple-darwin-as
	cd upstream/install/bin; ln -sf ../powerpc-apple-darwin/bin/ar powerpc-apple-darwin-ar
	cd upstream/install/bin; ln -sf ../powerpc-apple-darwin/bin/ranlib powerpc-apple-darwin-ranlib
	cd upstream/install/bin; ln -sf ../powerpc-apple-darwin/bin/strip powerpc-apple-darwin-strip
	echo -e "#!/bin/sh\nc++filt \$$@\n" > upstream/install/bin/c++filt3; chmod +x upstream/install/bin/c++filt3
	touch $@

# building gcc requires binutils
.configure_gcc-3.3_$(target): .install_binutils-2.13.2.1_$(target)

# how to configure it
configure_gcc-3.3                       := --enable-languages=c,c++,java --enable-gc-type=boehm --disable-shared --disable-jvmpi
configure_gcc-3.3                       += --disable-java-awt --disable-interpreter --enable-static
configure_gcc-3.3                       += --with-gnu-ld --with-gnu-as --enable-libgcj
configure_gcc-3.3-powerpc-apple-darwin  := --enable-threads=posix --disable-hash-synchronization --disable-multilib
configure_gcc-3.3-powerpc-apple-darwin  += --with-headers=$(shell pwd)/upstream/install/powerpc-apple-darwin/include
configure_gcc-3.3-i686-pc-mingw32       := --enable-threads=win32 --enable-hash-synchronization
configure_gcc-3.3-i686-pc-linux-gnu     := --enable-threads=posix --enable-hash-synchronization
configure_gcc-3.3-sparc-sun-solaris2.7  := --enable-threads=posix --disable-multilib
configure_gcc-3.3-mips                  := --enable-languages=c --nfp --with-newlib=yes --enable-multilib --disable-threads

.PRECIOUS: .vendor .download_% .configure_%_$(target) .install_%_$(target)

# vendor-supplied binaries and headers; this is stuff that comes with various OSes
vendor: .vendor; @true
.vendor:
	@echo -e "\n\033[1mdownloading vendor-supplied headers and libraries...\033[0m"
	mkdir -p upstream/install
	curl http://www.megacz.com/vendor.tgz | tar xzf - -C upstream/install
	mkdir -p upstream/install/i686-pc-mingw32
	curl $(url_w32api-2.3) | tar xzf - -C upstream/install/i686-pc-mingw32
	curl $(url_mingw-runtime-3.0) | tar xzf - -C upstream/install/i686-pc-mingw32
	touch .vendor

.download_%:
	@echo -e "\n\033[1mdownloading $*...\033[0m"
	mkdir -p upstream/$*
	curl $(url_$*) | tar xzf - -C upstream/$*
	mv upstream/$*/$* upstream/$*/src; true
	(test -e upstream/$*/patches && cd upstream/$*/src && for A in ../patches/*.patch; do patch -p0 < $$A; done); true
	touch $@

.configure_%_$(target): .download_% 
	@echo -e "\n\033[1mconfiguring $*...\033[0m"
	mkdir -p upstream/$*/build-$(target)
	cd upstream/$*/build-$(target); \
		$(setcc) ../src/configure \
		--target=$(target) \
		--prefix=`pwd`/../../install \
		$(configure_$*) \
		$(configure_$*-$(target))
	rm -rf upstream/gcc-3.3/build-powerpc-apple-darwin/powerpc-apple-darwin/libstdc++-v3/
	touch $@

.install_%_$(target): .configure_%_$(target)
	@echo -e "\n\033[1mbuilding $*...\033[0m"
	cd upstream/$*/build-$(target); $(setcc) PATH=$$PATH:`pwd`/../../install/bin make
	@echo -e "\n\033[1minstalling $*...\033[0m"
	cd upstream/$*/build-$(target); $(setcc) PATH=$$PATH:`pwd`/../../install/bin make install
	touch $@

.install_freetype-2.1.4_$(target): .download_freetype-2.1.4_$(target) .install_binutils-2.13.2.1_$(target) .install_gcc-3.3_$(target)
	@echo -e "\n\033[1mbuilding freetype $*...\033[0m"
	cd upstream/freetype-2.1.4/src; make setup ansi; PATH=$$PATH:`pwd`/../install/bin make CC=mips-gcc AR=mips-ar
	../install/bin/mips-ranlib freetype-2.1.4/objs/libfreetype.a
	touch $@

# jikes has a special target to autodetect a pre-installed jikes, and to autodetect the JVM's $CLASSPATH
.jikes:
	@echo -e "\n\033[1mdetecting your jikes installation...\033[0m"
	echo "#!/bin/sh" > .jikes
	echo 'for A in `find build/class -name \*.class`; do mv $$A $$A.old; done;' >> .jikes
	echo -n 'PATH=$$PATH:upstream/install/bin/ jikes -classpath lib/libgcj-minimal.jar $$@ -d build/class/ -sourcepath build/java/ ' >> .jikes
	(type jikes && (jikes --version | grep "Version 1.18")) || make install_jikes-1.18
	echo -n "$(jikes_flags) -bootclasspath " >> .jikes
	echo "public class GetBootClassPath { public static void main(String[] s) { " > GetBootClassPath.java
	echo "System.out.println(System.getProperty(\"sun.boot.class.path\")); } }"  >> GetBootClassPath.java
	javac GetBootClassPath.java
	java -cp . GetBootClassPath >> .jikes
	rm GetBootClassPath.*
	echo 'EXIT=$$?' >> .jikes
	echo 'for A in `find build/class -name \*.class`; do test -e $$A.old && cmp -s $$A $$A.old && mv $$A.old $$A; done' >> .jikes
	echo 'for A in `find build/class -name \*.class`; do test -e $$A.old && rm $$A.old; done' >> .jikes
	echo 'exit $$EXIT' >> .jikes
	chmod +x .jikes