#           
# The XWT Makefile
#

## Configurables ###########################################################################

# inputs
javac_java_sources     := $(shell find src -name *.java)
gcj_java_sources       := $(shell find src -name *.java \! -path src/org/xwt/plat/\*) src/org/xwt/plat/GCJ.java $(platform_java_sources)
xwar_sources           := $(shell ls src/org/xwt/builtin/*.png src/org/xwt/builtin/*.xwt src/org/xwt/builtin/*.xwf)
cc_sources             := src/org/xwt/plat/$(platform).cc

# outputs
javac_java_objects     := $(javac_java_sources:src/%.java=bin/%.class)
cc_objects             := $(cc_sources:src/%.cc=bin-$(platform)/%-nat.o)
gcj_java_objects       := $(gcj_java_sources:src/%.java=bin-$(platform)/%.o)

# tools
gcc_path               := $(shell pwd)/gcc
gcc_flags              := -O9 -ffast-math -fomit-frame-pointer -foptimize-sibling-calls -finline-functions -funroll-loops -g
gcj_flags              := -fCLASSPATH=bin 
gcj                    := $(gcc_path)/bin/$(target)-gcj $(gcj_flags) $(gcc_flags)
gcc                    := $(gcc_path)/bin/$(target)-g++ $(gcc_flags)
gcjh                   := $(gcc_path)/bin/gcjh
ar                     := $(gcc_path)/$(target)/bin/ar
strip                  := $(gcc_path)/$(target)/bin/strip
jar                    := $(shell ((type fastjar &>/dev/null) && echo fastjar) || echo jar)

# platforms
all_platforms          := Win32 Linux Java2

# path
PATH                   := jikes-1.18/bin:$(PATH)


## Platform-Neutral ###########################################################################

ifneq ($(verbose),true)
.SILENT: $(javac_java_objects) .headers $(gcj_java_objects) $(all_platforms) bin/org/xwt/builtin.xwar .bootclasspath .javac
silent := --silent
endif

compile: $(javac_java_objects) bin/org/xwt/builtin.xwar

all: $(all_platforms)

.javac:
	if \
		type jikes && (jikes --version | grep "Version 1.18"); \
	then \
		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 > .bootclasspath; \
		rm GetBootClassPath.*; \
		echo -n "jikes -nowarn -sourcepath src/ -bootclasspath " > .javac; \
		cat .bootclasspath >> .javac; \
	else \
		echo "WARNING: You do not have jikes; falling back to javac.  Compiles will be very slow."; \
		echo javac > .javac; \
	fi \

jikes:
	wget ftp://www-126.ibm.com/pub/jikes/1.18/jikes-1.18.tar.bz2 -O jikes-1.18.tar.bz2
	bunzip2 jikes-1.18.tar.bz2
	tar xvf jikes-1.18.tar && rm jikes-1.18.tar
	cd jikes-1.18; ./configure --prefix=`pwd`
	cd jikes; make && make install
	ln -s jikes-1.18/bin/jikes .jikes

$(javac_java_objects): $(javac_java_sources) .javac
	test "$(JAVA_HOME)"x != x || (echo "you forgot to set your JAVA_HOME environment variable"; false)
	echo "compiling  .java -> .class:"
	mkdir -p bin
	$(shell cat .javac) -classpath lib/libgcj-minimal.jar $(javac_java_sources) -d bin/
	echo "compiling  .java -> .class: done"

bin/org/xwt/builtin.xwar: $(xwar_sources)
	mkdir -p bin/org/xwt
	cd src; $(jar) cf ../bin/org/xwt/builtin.xwar $(xwar_sources:src/%=%)

clean:
	rm -rf bin-* bin
	find . -name \*~ | xargs rm -f
	find . -name \#\*\# | xargs rm -f

update-build:
	cvs tag -F xwt-$(current_build)
	(echo -n 0000; (echo "10k16o16i"; cat next.build | tr a-z A-Z; echo "1+f") | dc) | tail --bytes=5 > next.build-
	mv next.build- next.build
	echo -n "Next build will be "
	cat next.build
	cvs update CHANGES
	echo "" >> CHANGES
	echo `date +%d-%b`" =========== build $(current_build) ================================================" >> CHANGES
	echo committing...
	cvs commit -m 'this comment should not appear in CHANGES' next.build CHANGES
	echo committed.

propose-patch:
	@echo -n "Please type a one-line description of this bug: "; \
	read A; \
	echo; \
	echo "Please type any additional comments that explain this patch."; \
        echo "If this patch fixes a bug, include a link to bugs.xwt.org."; \
        echo "When you are done, press control-d on a new line."; \
	echo; \
	(	echo -e "HELO patcher"; \
		echo -e "MAIL FROM:$(USER)@xwt.org"; \
		echo -e "RCPT TO: patches@xwt.org"; \
		echo -e "DATA"; \
		echo -e "From: $(USER)@xwt.org"; \
		echo -e "To: patches@xwt.org"; \
		echo -e "Subject: proposed patch to $(this_branch): $$A"; \
		echo -e ""; \
		cat; \
		echo; \
		cvs diff -Bud; \
		echo .; \
	) > .message
	bash -c "cat .message > /dev/tcp/mail.xwt.org/25"     # /dev/tcp is faked by bash; not part of the os

## GCJ-Derived Platforms #######################################################################

# if the user doesn't change gcc_path, and it's not built, then we'll try to build it
$(shell pwd)/gcc/bin/$(target)-gcj:
	cd gcc; make

gcj: compile $(gcc_path)/bin/$(target)-gcj .headers link

link: $(gcj_java_objects) $(cc_objects) bin-$(platform)/org/xwt/builtin.o
	echo "linking       .o -> $(target_bin)"
	$(ar) r bin-$(platform)/org/xwt/plat/platform.ar bin-$(platform)/org/xwt/plat/*.o
	$(gcj) --main=org.xwt.Main -o bin-$(platform)/$(target_bin) $^ $(platform_link) bin-$(platform)/org/xwt/plat/platform.ar

.headers: $(javac_java_objects)
	cd bin; for A in `find * -name \*.class`; do \
		echo "extracting .class -> .h:     $$A"; \
		$(gcjh) --classpath . `echo $$A | sed s_/_._g | sed s/.class$$//`; \
		done
	echo "extracting .class -> .h:     done"
	touch .headers

# turn off optimization of Trap.java due to a compiler bug
bin-$(platform)/org/xwt/Trap.o: gcj_flags := -O0 -g

$(gcj_java_objects): bin-$(platform)/%.o: src/%.java $(javac_java_objects)
	echo -ne "compiling  .java -> .o:     $<"
	mkdir -p `dirname $@`
	$(gcj) -c $< -o $@

$(cc_objects): bin-$(platform)/%-nat.o: src/%.cc
	echo -ne "compiling  .cc -> .o:     $$A"
	$(gcc) -Ibin -c $< -o $@

bin-$(platform)/org/xwt/builtin.o: bin/org/xwt/builtin.xwar
	echo "wrapping   .xwar -> .o"
	$(gcj) --resource org/xwt/builtin.xwar -c $< -o $@



## Platforms ##############################################################################

Linux:
	echo -e "\\n=== Linux ========================================="
	make gcj \
		platform=Linux \
		target=i686-pc-linux-gnu \
		target_bin=xwt.linux \
		platform_link="-L$(gcc-path)/lib -L/usr/X11R6/lib -lX11 -lXext --static" \
		platform_java_sources="src/org/xwt/plat/POSIX.java src/org/xwt/plat/X11.java"

Win32:
	echo -e "\\n=== Win32 ========================================="
	make gcj \
		platform=Win32 \
		target=i686-pc-mingw32 \
		target_bin=xwt.exe \
		platform_link="-Wl,--subsystem,windows -lcomdlg32" \
		platform_java_sources=src/org/xwt/plat/Win32.java

Java2: $(javac_java_objects) bin/org/xwt/builtin.xwar
	echo -e "\\n=== Java2 ========================================="
	echo "archiving .class -> .jar"
	mkdir -p bin-Java2
	echo -e "Manifest-Version: 1.0\nMain-Class: org.xwt.Main\n" > bin/.manifest
	cd bin; $(jar) cvf ../bin-Java2/xwt.jar -m .manifest \
                org/xwt/builtin.xwar \
		`find . -name \*.class | grep -v org/xwt/plat/` \
		org/xwt/plat/AWT*.class org/xwt/plat/Java2*.class | tr \\012 \\015
	echo

$(java2_objects:bin/%=%)

PalmOS:
	echo "PalmOS is not yet supported"
	false


## master.dist.xwt.org ############################################################################

current_build         := $(shell cat next.build)
this_branch           := $(shell tail -c +2 CVS/Tag 2>/dev/null || echo HEAD)

dist:
	# this will fail if we haven't checked-in since the comment is null; we want this.
	cvs commit -m '' > /dev/null
	cvs tag -F xwt-$(current_build)

	echo "***********************************************************"
	echo "*  This build is $(current_build)"
	echo "***********************************************************"

        ifeq ($(shell uname -n),gosset.megacz.com)
		(make $(silent) dist-private 2>&1) >> .make-dist.out || \
			(tail -n 200 .make-dist.out | mail -s "Build $(current_build) FAILED" cvs@xwt.org; false)
		tail -n 200 .make-dist.out | \
			mail -s "Unsigned binaries of $(current_build) are now available" cvs@xwt.org
        else
		ssh xwt@xwt.org verbose=$(verbose) /home/xwt/dist $(this_branch) \
			| grep -v "make...:.\(Entering\|Leaving\).directory"
        endif


dist-private:
	make $(silent) update-build

	# preserve gcc across builds so we don't have to remake it
	mv gcc/Makefile Makefile.gcc
	mkdir -p $(HOME)/dist.xwt.org-gcc
	rm -rf gcc
	ln -s $(HOME)/dist.xwt.org-gcc gcc
	mv Makefile.gcc gcc/Makefile

	# build it
	nice -n 19 make all

	echo
	echo === master.dist.xwt.org ==================================

	echo "copying xwt.jar to distribution area..."
	cp bin-Java2/xwt.jar /var/www/master.dist.xwt.org/xwt-$(current_build).jar.unsigned

	echo "stripping xwt.exe and copying it to the distribution area..."
	$(strip) bin-Win32/xwt.exe -o /var/www/master.dist.xwt.org/xwt-$(current_build).exe.unsigned

	echo "copying xwt.linux to distribution area..."
	$(strip) bin-Linux/xwt.linux -o /var/www/master.dist.xwt.org/xwt-$(current_build).linux.unsigned

	echo "creating source tarball in distribution area..."
	CVSROOT=/cvs cvs export -r xwt-$(current_build) xwt
	mv xwt xwt-$(current_build)
	tar cvzf /var/www/master.dist.xwt.org/xwt-$(current_build).tgz xwt-$(current_build)

	echo
	echo "*** DONE ******************************************"