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GDC for NestedVM

This is a port of GDC to work with NestedVM, so you can generate Java bytecode from D.

Diff against GDC 0.24

Diff against GDC 0.21

Sockets and threads don't work yet. Sockets could fairly easily, threads would be pretty difficult.

How to install GDC for NestedVM

1) NestedVM

If you already have NestedVM, you can skip this step.

Extract NestedVM
Compile basic NestedVM

make
Compile the C++ compiler

cd upstream ; make tasks/build_gcc_step2
If you needed to use an old gcc for the last step, you'll need to do the same for this step.

2) GDC for NestedVM

Add NestedVM to your PATH

export PATH="$NESTEDVM_DIR/upstream/install/bin:$PATH"

Bootstrap a fresh cross-compiler directory

mkdir -p $PREFIX cp -pR $NESTEDVM_DIR/upstream/install/mips-unknown-elf $PREFIX

Extract a fresh GCC 4.0.x
Extract a frech GDC
Apply the nestedvm-gdc patch to GDC

cd gcc-4.0.x/gcc/d ; patch -p0 -i $GDC_NESTEDVM_PATCHFILE

Apply the GDC patch to GCC

cd gcc-4.0.x ; ./gcc/d/setup-gcc.sh

Make a build directory

mkdir -p gcc-4.0.x/build

Configure GCC and GDC

cd gcc-4.0.x/build ../configure --prefix="$PREFIX" --target=mips-unknown-elf --disable-threads --with-gnu-ld --with-gnu-as --with-newlib=yes --enable-sjlj-exceptions --disable-multilib --enable-languages=c,c++,d

Build and install GCC and GDC

DFLAGS="-O2 -g -msoft-float -mmemcpy -ffunction-sections -fdata-sections -falign-functions=512 -fno-rename-registers -fno-schedule-insns -fno-delayed-branch" make all install

Install wrapper script

wget http://www.codu.org/nestedvm-gdc/gdcj -O $PREFIX/bin/gdcj ; chmod 0755 $PREFIX/bin/gdcj

Install Java components into prefix

mkdir -p $PREFIX/lib/m2j ; cp -pR $NESTEDVM_DIR/build/org $NESTEDVM_DIR/upstream/build/classgen/build/org $PREFIX/lib/m2j