#
# The XWT Makefile
#

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

# inputs
jikes_java_sources     := $(shell find src -name *.java)
gcj_java_sources       := $(shell find src -name *.java -not -path src/org/xwt/plat/\*) src/org/xwt/plat/GCJ.java $(platform_java_sources)
xwar_sources           := $(ls src/org/xwt/builtin/*.png src/org/xwt/builtin/*.xwt src/org/xwt/builtin/*.xwf)
cc_sources             := src/org/xwt/plat/$(platform).cc

# outputs
jikes_java_objects     := $(jikes_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                   := $(gcc_path)/bin-$(target)-gcjh
ar                     := $(gcc_path)/$(target)/bin/ar
jikes                  := jikes -extdirs ${JAVA_HOME}/jre/lib -nowarn

# platforms
all_platforms          := Win32 Linux Java2


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

.SILENT: $(jikes_java_objects) .headers $(gcj_java_objects) $(all_platforms) PalmOS bin/org/xwt/builtin.xwar

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

all: $(all_platforms)

$(jikes_java_objects): $(jikes_java_sources)
	echo -ne " .java -> .class:\\r"
	mkdir -p bin
	$(jikes) -sourcepath src/ -classpath lib/libgcj-minimal.jar $(jikes_java_sources) -d bin/
	echo " .java -> .class: done"

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

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


## 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)
	$(ar) r bin-$(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: $(jikes_java_objects)
	cd bin; for A in `find * -name \*.class`; do \
		echo -ne "\033[K\\r.class -> .h:     $$A\\r"; \
		$(gcjh) --classpath . `echo $$A | sed s_/_._g | sed s/.class$$//`; \
		done
	echo -e "\033[K\\r.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 $(jikes_java_objects)
	echo -ne "\033[K\\r .java -> .o:     $<\\r"
	mkdir -p `dirname $@`
	$(gcj) -c $< -o $@

$(cc_objects): bin-$(platform)/%-nat.o: src/%.cc
	echo -ne "\033[K\\r   .cc -> .o:     $$A\\r"
	$(gcc) -Ibin -c $< -o $@

bin-$(platform)/org/xwt/builtin.xwar: $(xwar_sources)
	echo "bundling         -> .xwar"
	$(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: $(jikes_java_objects) bin/org/xwt/builtin.xwar
	mkdir -p bin-Java12
	echo -e "Manifest-Version: 1.0\nMain-Class: org.xwt.Main\n" > bin/.manifest
	cd bin; fastjar cvf ../bin-Java12/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

$(java2_objects:bin/%=%)

PalmOS:
	echo "PalmOS is not yet supported"
	false