#           
# The XWT Makefile
#

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

jpeg_headers := jpeglib.h jconfig.h jmorecfg.h jerror.h jinclude.h jpegint.h jchuff.h jdhuff.h jdct.h jmemsys.h jversion.h
jpeg_c_sources := jdapimin.c jdapistd.c jcomapi.c jcparam.c jdmaster.c jdinput.c jdmainct.c jdcoefct.c jdpostct.c jdmarker.c
jpeg_c_sources += jdhuff.c jdphuff.c jddctmgr.c jidctint.c jidctfst.c jidctflt.c jidctred.c jdsample.c jdcolor.c jdmerge.c
jpeg_c_sources += jquant1.c jquant2.c jerror.c jutils.c jmemnobs.c jmemmgr.c

# inputs
java_sources           := $(shell find src -name \*.java)
java_headers           := $(java_sources:src/%.java=bin/%.h)
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
c_sources              := $(jpeg_c_sources:%.c=src/org/ijg/%.c)

# outputs
java_objects           := $(filter-out bin-$(platform)/org/xwt/plat/%, $(java_sources:src/%.java=bin-$(platform)/%.java.o))
java_objects           += bin-$(platform)/org/xwt/plat/GCJ.java.o
java_objects           += $(platform_java_sources:%=bin-$(platform)/org/xwt/plat/%.java.o)
cc_objects             := $(cc_sources:src/%.cc=bin-$(platform)/%.cc.o)
c_objects              := $(c_sources:src/%.c=bin-$(platform)/%.c.o)

# tools
gcc_path               := $(shell pwd)/gcc/install
#gcc_optimizations      := -O9 -ffast-math -fomit-frame-pointer -foptimize-sibling-calls -finline-functions
#gcc_optimzations       += -funroll-loops -ffunction-sections -fdata-sections
gcc_optimizations      := -O2
debug                  := 
gcc_flags              := $(gcc_optimizations) $(debug) -Isrc/org/ijg
gcj_flags              := -fCLASSPATH=src
gcj                    := $(gcc_path)/bin/$(target)-gcj $(gcj_flags) $(gcc_flags)
g++                    := $(gcc_path)/bin/$(target)-g++ $(gcc_flags)
gcc                    := $(gcc_path)/bin/$(target)-gcc $(gcc_flags)
gcjh                   := $(gcc_path)/bin/$(target)-gcjh

as                     := $(gcc_path)/$(target)/bin/as
ar                     := $(gcc_path)/$(target)/bin/ar
ranlib                 := $(gcc_path)/$(target)/bin/ranlib
strip                  := $(gcc_path)/$(target)/bin/strip
jar                    := $(shell ((type fastjar &>/dev/null) && echo fastjar) || echo jar)

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

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


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

ifneq ($(verbose),true)
.SILENT: $(cc_objects) $(java_objects) $(java_headers) all bin/org/xwt/builtin.xwar $(target_bin) compile
silent := --silent
endif

compile: .javac .bootclasspath bin/org/xwt/builtin.xwar
	echo "compiling   .java -> .class:"
	mkdir -p bin
	$(shell cat .javac) -classpath lib/libgcj-minimal.jar $(java_sources) -d bin/ 2>&1 | \
		grep -v ^\\[read | sed s_^\\[write\ bin/__ | sed s_.class\\]_.java_ | sed "s_^_compiling   .java -> .class: src/_"

# platforms
all: Win32 Linux Java2 #Solaris

.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:
	curl ftp://www-126.ibm.com/pub/jikes/1.18/jikes-1.18.tar.bz2 | tar xjvf -
	cd jikes-1.18; ./configure --prefix=`pwd` && make && make install
	ln -sf jikes-1.18/bin/jikes .jikes

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
$(shell pwd)/gcc/install/bin/$(target)-gcj: .upstream
	make -C gcc

# compile is here to force compilation of the .class files (they get used via -Ibin/) without
# having the individual .o's depend on the .java's (otherwise every .o gets recompiled when one .java changes)
gcj: $(gcc_path)/bin/$(target)-gcj compile $(target_bin)

$(target_bin): $(java_objects) $(cc_objects) $(c_objects) bin-$(platform)/org/xwt/builtin.o
	@echo "linking        .o -> $(target_bin)"
	$(gcj) --main=org.xwt.Main -o bin-$(platform)/$(target_bin) $^ $(platform_link) 

bin-$(platform)/org/xwt/builtin.o: bin/org/xwt/builtin.xwar
	@echo "wrapping    .xwar -> .o:     bin/org/xwt/builtin.o"
	@(echo "unsigned int builtin_xwar_length = ";\
	  (wc -c bin/org/xwt/builtin.xwar | sed "s_bin.*__");\
	  echo \;;\
	  echo "unsigned char builtin_xwar[] = {";\
	  hexdump -ve '"0x" 1/1 "%x,\n"' bin/org/xwt/builtin.xwar;\
	  echo "};") > .builtin.c
	$(gcc) -c .builtin.c -o bin-$(platform)/org/xwt/builtin.o

$(java_headers): bin/%.h: bin/%.class
	@echo "extracting .class -> .h:     $<"
	cd bin; find `echo $< | sed s/.class$$// | sed s_^bin/__ `*.class |\
		sed s_/_._g | sed s/.class$$// | sed s/.java$$// |\
			xargs $(gcjh) --classpath .

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

# unpack and patch the ijg library
src/org/ijg/jmorecfg.h: src/org/ijg/jpegsrc.v6b.tar.gz src/org/ijg/jmorecfg.h.patch
	cd src/org/ijg/; tar xzf jpegsrc.v6b.tar.gz
	cd src/org/ijg/jpeg-6b; ./configure --target=$(target)
	cd src/org/ijg/jpeg-6b; mv $(jpeg_c_sources) $(jpeg_headers) ..
	cd src/org/ijg; patch -l -p0 < jmorecfg.h.patch
	rm -rf src/org/ijg/jpeg-6b

$(cc_objects): bin-$(platform)/%.cc.o: src/%.cc $(java_headers) src/org/ijg/jmorecfg.h
	@echo "compiling     .cc -> .o:     $<"
	@mkdir -p `dirname $@`
	$(g++) -I/usr/X11R6/include/ -I$(gcc_path)/include -Ibin -Iupstream/$(platform)/include -Wno-multichar -c $< -o $@

$(c_objects): bin-$(platform)/%.c.o: src/%.c src/org/ijg/jmorecfg.h
	@echo "compiling      .c -> .o:     $<"
	@mkdir -p `dirname $@`
	$(gcc) -Ibin -c $< -o $@

.upstream:
	mkdir -p gcc/install; curl http://www.megacz.com/upstream.tgz | tar xvzhf - -C gcc/install
	touch .upstream


## 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="POSIX X11"

Solaris:
	echo -e "\\n=== Solaris ========================================="
	make gcj \
		platform=Solaris \
		target=sparc-sun-solaris2.7 \
		target_bin=xwt.solaris \
		platform_link="-L$(gcc_path)/lib -lX11 -lXext" \
		platform_java_sources="POSIX X11"

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="Win32"

Darwin:
	echo -e "\\n=== Darwin ========================================="
	ranlib upstream/Darwin/lib/*.a
	ar x /usr/lib/libcc_dynamic.a upstream/Darwin/lib/darwin-fpsave.o
	make gcj \
		platform=Darwin \
		target=powerpc-apple-darwin \
		target_bin=xwt.darwin \
		platform_link="upstream/Darwin/lib/*.[oa] $(gcc_path)/lib/libgcj.a" \
		platform_java_sources="POSIX X11"

Carbon:
	echo -e "\\n=== Carbon ========================================="
	make gcj \
		platform=Carbon \
		target=powerpc-apple-darwin \
		target_bin=xwt.carbon \
		platform_link="$(gcc_path)/lib/libgcj.a -Xlinker -framework -Xlinker Carbon" \
		platform_java_sources="POSIX Carbon"

Java2: compile 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) cvfm ../bin-Java2/xwt.jar .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

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)
this_branch_flag      := $(shell test $(this_branch) = HEAD && echo || echo -r $(this_branch))

# pre-depend on compile as a sanity check
dist: compile
	# 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),serverbeach.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
		echo -e 'export JAVA_HOME=/usr/lib/j2sdk1.4\n cd /home/xwt\n date=`date +%d-%b-%H%M`\n mkdir xwt-$$date\n cd xwt-$$date\n /usr/bin/cvs -d /cvs co $(this_branch_flag) xwt\n mv xwt/* .\n mv xwt/.* .\n rmdir xwt\n touch .make-dist.out\n nohup make dist &> /dev/null &\n echo\n cat .make-dist.out' | ssh xwt@xwt.org | 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
	mkdir -p $(HOME)/dist.xwt.org-gcc
	mv gcc gcc-
	ln -s $(HOME)/dist.xwt.org-gcc gcc
	mv -f gcc-/Makefile gcc/
	mv -f gcc-/*.patch gcc/

	# 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 ******************************************"