+# auto directory creation with %/%: %?
+
+ifeq ($(platform),)
+# default
+platform := Java2
+endif
+
+target_Darwin := powerpc-apple-darwin
+target_Win32 := i686-pc-mingw32
+target_Solaris := sparc-sun-solaris2.7
+target_Linux := i686-pc-linux-gnu
+target := $(target_$(platform))
+
+all: Java2 Linux Win32 Darwin Solaris
+
+clean: ; rm -rf build
+dist-clean:
+ rm -rf .configure* .install* build .compile .build*
+ find upstream -name config.cache -exec rm -f {} \;
+ test -e upstream/org.ibex.nestedvm && make -C upstream/org.ibex.nestedvm clean
+ rm -f .install_org.ibex.nestedvm
+
+libwing_Linux := -Lupstream/install/i686-pc-linux-gnu/lib/
+libwing_Linux += upstream/install/i686-pc-linux-gnu/lib/libWINGs.a
+libwing_Linux += upstream/install/i686-pc-linux-gnu/lib/libwraster.a
+
+libwing_Solaris := -Lupstream/install/sparc-sun-solaris2.7/lib/
+libwing_Solaris += upstream/install/sparc-sun-solaris2.7/lib/libWINGs.a
+libwing_Solaris += upstream/install/sparc-sun-solaris2.7/lib/libwraster.a
+
+Java2: build/Java2/ibex.jar
+JVM:; @make Java2
+Linux: ; @make gcj platform=Linux link_flags="$(libwing_Linux) -lXpm -lX11 -lXext"
+Solaris: ; @make gcj platform=Solaris link_flags="$(libwing_Solaris) -lXpm -lX11 -lXext -lpthread"
+Win32: ; @make gcj platform=Win32 link_flags="-Wl,--subsystem,windows -lcomdlg32"
+Darwin: ; @make gcj platform=Darwin link_flags="$(darwin_linker_flags)"
+
+libjava_dir := $(shell pwd)/upstream/gcc-3.3/build-$(target)/$(target)/libjava
+darwin_libdir := upstream/install/powerpc-apple-darwin/lib
+darwin_ogl_libdir := /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries
+
+target_bin_extension_$(platform) := $(shell echo $(platform) | tr A-Z a-z)
+target_bin_extension_Win32 := exe
+target_bin_extension_Java2 := jar
+target_bin_extension := $(target_bin_extension_$(platform))
+target_bin := ibex.$(target_bin_extension)
+
+ifeq ($(platform),Darwin)
+gcc_optimizations := -O0
+else
+gcc_optimizations := -Os
+endif
+#gcc_optimizations := -O9 -ffast-math -fomit-frame-pointer -foptimize-sibling-calls
+#gcc_optimizations += -finline-functions -funroll-loops -ffunction-sections -fdata-sections
+gcc_flags := -nostdinc $(gcc_optimizations) -Ibuild/h -Iupstream/jpeg-6b/src -Iupstream/jpeg-6b/build-$(target) -g
+gcc_flags += -Iupstream/install/lib/gcc-lib/$(target)/3.3/include -Iupstream/install/$(target)/include
+#gcc_flags += -ffunction-sections -fdata-sections -fno-omit-frame-pointer
+gcj := CLASSPATH=build/java upstream/install/bin/$(target)-gcj $(gcc_flags)
+ifneq ($(platform),Darwin)
+gcj += -finhibit-reflection
+endif
+#gcj += -fassume-compiled -fmerge-all-constants
+#gcj += -foptimize-static-class-initialization -feliminate-dwarf2-dups -w
+gcjh := $(shell pwd)/upstream/install/bin/$(shell test -e upstream/install/bin/$(target)-gcjh && echo $(target)-)gcjh
+g++ := upstream/install/bin/$(target)-gcj $(gcc_flags) -Iupstream/install/include -Wno-multichar
+gcc := upstream/install/bin/$(target)-gcc $(gcc_flags)
+nm := upstream/install/$(target)/bin/nm
+jar := $(shell ((type fastjar &>/dev/null) && echo fastjar) || echo jar)
+ifeq ($(platform),Java2)
+javac := javac -classpath upstream/bcel-5.1/src/bcel-5.1.jar -d build/class/ -sourcepath build/java/
+else
+javac := $(gcj) -fCLASSPATH=upstream/bcel-5.1/src/bcel-5.1.jar -d build/class/ -Ibuild/java -Iupstream/gnu.regexp-1.1.4/src/src -C
+endif
+
+gcj: .install_gcc-3.3_$(target)
+ @make build/$(platform)/$(target_bin) link_flags="$(link_flags)" platform=$(platform)
+
+include Makefile.upstream
+
+# find the superclasses of a platform class
+#superclass_%:
+# @if [ "$*" = "org.ibex.plat.Darwin" ]; then echo org.ibex.plat.OpenGL; fi
+# @echo $*
+# @grep -s extends src/$(subst .,/,$*).java | sed s_.\*extends\ __ | head -n 1 | sed s_\ .\*__ |\
+# xargs --replace make -s superclass_org.ibex.plat.{}
+
+plat_classes_Platform := org.ibex.plat.Platform
+plat_classes_AWT := org.ibex.plat.AWT $(plat_classes_Platform)
+plat_classes_Java2 := org.ibex.plat.Java2 org.ibex.plat.JVM $(plat_classes_AWT)
+plat_classes_GCJ := org.ibex.plat.GCJ $(plat_classes_Platform)
+plat_classes_Win32 := org.ibex.plat.Win32 $(plat_classes_GCJ)
+plat_classes_POSIX := org.ibex.plat.POSIX $(plat_classes_GCJ)
+plat_classes_X11 := org.ibex.plat.X11 $(plat_classes_POSIX)
+plat_classes_Linux := org.ibex.plat.Linux $(plat_classes_X11)
+plat_classes_Solaris := org.ibex.plat.Solaris $(plat_classes_X11)
+plat_classes_Darwin := org.ibex.plat.Darwin org.ibex.plat.OpenGL $(plat_classes_POSIX)
+
+plat_java_src_sources := $(patsubst %,build/java/%.java,$(subst .,/,$(plat_classes_$(platform))))
+java_src_sources := $(shell find src -name '*.java' | grep -v NanoGoat | grep -v Preprocessor | grep -v /plat/)
+java_src_sources += $(plat_java_src_sources)
+java_sources := $(patsubst src/%.java, build/java/%.java, $(java_src_sources))
+
+java_sources += build/java/org/xwt/mips/util/SeekableByteArray.java
+java_sources += build/java/org/xwt/mips/util/SeekableData.java
+java_sources += build/java/org/xwt/mips/util/SeekableFile.java
+java_sources += build/java/org/xwt/mips/util/SeekableInputStream.java
+java_sources += build/java/org/xwt/mips/Registers.java
+java_sources += build/java/org/xwt/mips/Runtime.java
+java_sources += build/java/org/xwt/mips/UsermodeConstants.java
+
+java_sources += build/java/org/ibex/crypto/DER.java
+java_sources += build/java/org/ibex/crypto/Digest.java
+java_sources += build/java/org/ibex/crypto/HMAC.java
+java_sources += build/java/org/ibex/crypto/MD2.java
+java_sources += build/java/org/ibex/crypto/MD5.java
+java_sources += build/java/org/ibex/crypto/PKCS1.java
+java_sources += build/java/org/ibex/crypto/RC4.java
+java_sources += build/java/org/ibex/crypto/RSA.java
+java_sources += build/java/org/ibex/crypto/SHA1.java
+java_sources += build/java/org/ibex/crypto/X509.java
+java_sources += build/java/org/ibex/crypto/Base64.java
+java_sources += build/java/org/ibex/net/ssl/RootCerts.java
+java_sources += build/java/org/ibex/net/SSL.java
+
+java_sources += build/java/gnu/regexp/CharIndexed.java
+java_sources += build/java/gnu/regexp/CharIndexedCharArray.java
+java_sources += build/java/gnu/regexp/CharIndexedInputStream.java
+java_sources += build/java/gnu/regexp/CharIndexedString.java
+java_sources += build/java/gnu/regexp/CharIndexedStringBuffer.java
+java_sources += build/java/gnu/regexp/RE.java
+java_sources += build/java/gnu/regexp/REException.java
+java_sources += build/java/gnu/regexp/REFilterInputStream.java
+java_sources += build/java/gnu/regexp/REMatch.java
+java_sources += build/java/gnu/regexp/REMatchEnumeration.java
+java_sources += build/java/gnu/regexp/RESyntax.java
+java_sources += build/java/gnu/regexp/REToken.java
+java_sources += build/java/gnu/regexp/RETokenAny.java
+java_sources += build/java/gnu/regexp/RETokenBackRef.java
+java_sources += build/java/gnu/regexp/RETokenChar.java
+java_sources += build/java/gnu/regexp/RETokenEnd.java
+java_sources += build/java/gnu/regexp/RETokenEndSub.java
+java_sources += build/java/gnu/regexp/RETokenLookAhead.java
+java_sources += build/java/gnu/regexp/RETokenWordBoundary.java
+java_sources += build/java/gnu/regexp/RETokenOneOf.java
+java_sources += build/java/gnu/regexp/RETokenPOSIX.java
+java_sources += build/java/gnu/regexp/RETokenRange.java
+java_sources += build/java/gnu/regexp/RETokenRepeated.java
+java_sources += build/java/gnu/regexp/RETokenStart.java
+java_sources += build/java/gnu/regexp/UncheckedRE.java
+java_sources += build/java/gnu/regexp/CharIndexedReader.java
+java_sources += build/java/gnu/regexp/REFilterReader.java
+
+java_classes := $(java_sources:build/java/%.java=build/class/%.class)
+java_classes += build/class/gnu/regexp/CharUnit.class build/class/gnu/regexp/IntPair.class
+java_classes += build/class/org/ibex/util/MIPSApps.class
+
+### Java Source Files ##############################################################################
+
+$(java_sources):: .download_org.ibex.crypto .download_org.ibex.nestedvm .download_gnu.regexp-1.1.4
+link_upstream = build/java/$(1):: $(2)/$(1) $(3); \
+ @echo -e "\033[1mlinking .java -> .java: $$@\033[0m"; \
+ mkdir -p $$(@D); ln -fs `echo $$(@D)/ | sed 's_[^/]*//*_../_g'`/$$< $$@
+build/cc/%.cc: src/%.c ; @echo linking $@; mkdir -p $(@D); ln -fs `echo $(@D)/ | sed 's_[^/]*//*_../_g'`/$< $@
+build/res/%: src/% ; @echo linking $@; mkdir -p $(@D); ln -fs `echo $(@D)/ | sed 's_[^/]*//*_../_g'`/$< $@
+$(call link_upstream,org/xwt/mips/%.java,upstream/org.ibex.nestedvm/src,.download_org.ibex.nestedvm)
+$(call link_upstream,org/ibex/crypto/%.java,upstream/org.ibex.crypto/src,.download_org.ibex.crypto)
+$(call link_upstream,org/ibex/net/ssl/%.java,upstream/org.ibex.crypto/src,.download_org.ibex.crypto)
+$(call link_upstream,org/ibex/net/SSL.java,upstream/org.ibex.crypto/src,.download_org.ibex.crypto)
+$(call link_upstream,gnu/regexp/%.java,upstream/gnu.regexp-1.1.4/src/src)
+build/java/org/ibex/%.java: src/org/ibex/%.java .download_gnu.regexp-1.1.4 build/class/org/ibex/util/Preprocessor.class
+ @echo -e "\033[1mpreprocessing .java -> .java: $<\033[0m"
+ mkdir -p `dirname $@`; java -cp build/class:upstream/gnu.regexp-1.1.4/src/src org.ibex.util.Preprocessor < $< > $@
+$(call link_upstream,%.java,src)
+$(call link_upstream,%.cc,src)
+
+
+### Java Class Files ##############################################################################
+
+build/class/org/ibex/util/Preprocessor.class: src/org/ibex/util/Preprocessor.java
+ @mkdir -p build/class/gnu/regexp build/class/org/ibex/util
+ $(javac) $< src/org/ibex/util/Vec.java upstream/gnu.regexp-1.1.4/src/src/gnu/regexp/*.java
+
+compile: .compile
+.compile: $(java_sources)
+ @echo -e "\n\033[1mcompiling .java -> .class\033[0m"
+ @echo $(java_sources) | tr ' ' '\n' | sed 's_build/java/_ _' | sed 's_/_._g' | sed 's_.java$$__g'
+ @make -s $(java_sources)
+ $(javac) $(java_sources)
+ touch $@
+
+build/class/org/ibex/util/MIPSApps.class: build/mips/mipsapps.mips .install_org.ibex.nestedvm
+ @mkdir -p build/java/org/ibex/util
+ @echo -e "\n\033[1mtranslating .mips -> .class: $<\033[0m"
+ java -cp upstream/org.ibex.nestedvm/build:upstream/org.ibex.nestedvm/upstream/build/bcel-5.1/bcel-5.1.jar \
+ org.xwt.mips.Compiler org.ibex.util.MIPSApps $< -outfile $@
+
+build/Java2/ibex.jar: compile build/res/builtin.jar build/class/org/ibex/util/MIPSApps.class
+ @echo -e "\n\033[1marchiving .class -> .jar: build/Java2/ibex.jar\033[0m"
+ mkdir -p build/Java2
+ echo -e "Manifest-Version: 1.0\nMain-Class: org.ibex.core.Main\n" > build/Java2/.manifest
+ cd build/class/org/ibex; ln -sf ../../../res/builtin.jar
+ cd build/class; $(jar) cfm ../Java2/ibex.jar ../Java2/.manifest `find . -name \*.class -or -name \*.jar`
+
+
+### Headers ##################################################################################
+
+java_headers := $(java_sources:build/java/%.java=build/h/%.h)
+build/h/%.h: build/class/%.class .compile
+ @echo -e "\n\033[1mextracting .class -> .h: $<\033[0m"
+ mkdir -p `dirname $@`
+ ls `echo $< | sed s/.class\$$//`*.class |\
+ sed s_build/class/__ | sed s/.class\$$//g | sed s_/_._g | (cd build/class; xargs $(gcjh) -d ../h --classpath .)