-# figure out what stuff in org.xwt.plat.* this platform requires (its superclasses)
-superclass_%:
- @echo $(patsubst org.xwt.plat.%, build/java/org/xwt/plat/%.java, $*)
- @make -s superclass_org.xwt.plat.$(shell grep extends src/`echo $* | sed s_\\\\._/_g`.java | head -n 1 | sed s_.\*extends\ __ | sed s_\ .\*__)
-
-all_java_sources := $(patsubst src/%.java, build/java/%.java, $(shell find src -name '*.java'))
-all_java_sources += $(patsubst src/%.java.pp, build/java/%.java, $(shell find src -name '*.java.pp'))
-
-superclass_org.xwt.plat.Platform:;
-ifeq ($(platform),)
-plat_deps := $(shell make -s superclass_org.xwt.plat.$(platform) platform= )
+# 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_AWT := org.ibex.plat.AWT
+plat_classes_Java2 := org.ibex.plat.Java2 org.ibex.plat.JVM $(plat_classes_AWT)
+plat_classes_GCJ := org.ibex.plat.GCJ
+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 Preprocessor | grep -v /plat/)
+java_src_sources += $(plat_java_src_sources)
+java_sources := $(patsubst src/%.java, build/java/%.java, $(java_src_sources))
+
+# FIXME ugly
+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_classes := $(java_sources:build/java/%.java=build/class/%.class)
+java_classes += build/class/gnu/regexp/CharUnit.class build/class/gnu/regexp/IntPair.class
+
+### Java Source Files ##############################################################################
+
+build/java/gnu/regexp: .download_gnu.regexp-1.1.4
+ mkdir -p $(@D); cd $(@D); ln -sf ../../../upstream/gnu.regexp-1.1.4/src/src/gnu/regexp
+build/java/org/xwt/mips: .download_nestedvm
+ mkdir -p $(@D); cd $(@D); ln -sf ../../../../upstream/nestedvm/src/org/xwt/mips
+build/java/org/ibex/crypto: .download_org.ibex.crypto
+ mkdir -p $(@D); cd $(@D); ln -sf ../../../../upstream/org.ibex.crypto/src/org/ibex/crypto
+ mkdir -p build/java/org/ibex/net;
+ cd build/java/org/ibex/net; ln -sf ../../../../../upstream/org.ibex.crypto/src/org/ibex/net/SSL.java
+ cd build/java/org/ibex/net; ln -sf ../../../../../upstream/org.ibex.crypto/src/org/ibex/net/ssl
+
+ifeq ($(platform),Java2)
+.preprocessor: build/java/gnu/regexp src/org/ibex/util/Preprocessor.java src/org/ibex/util/Vec.java build/java/org/xwt/mips build/java/org/ibex/crypto
+
+ @mkdir -p build/class/org/ibex/util build/class/gnu/regexp
+ $(javac) src/org/ibex/util/Preprocessor.java src/org/ibex/util/Vec.java build/java/gnu/regexp/*.java -d build/class
+ @touch $@
+else
+.preprocessor: build/java/gnu/regexp src/org/ibex/util/Preprocessor.java src/org/ibex/util/Vec.java build/java/org/xwt/mips build/java/org/ibex/crypto
+ @mkdir -p build/class/org/ibex/util build/class/gnu/regexp
+ $(gcj) -Isrc -C src/org/ibex/util/Preprocessor.java src/org/ibex/util/Vec.java build/java/gnu/regexp/*.java -d build/class
+ @touch $@