llgo alternatives and similar packages
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This project has moved to llvm.org. Any contributions or bug reports should be sent there. Please refer to the llgo readme for more information.
llgo is under active development. It compiles and passes most of the standard library test suite and a substantial portion of the gc test suite, but there are some corner cases that are known not to be handled correctly yet. Nevertheless it can compile modestly substantial programs (including itself; it is self hosting on x86-64 Linux).
Progress will be reported on the mailing list.
Note that Ubuntu Precise is one Linux distribution which does not package a sufficiently new CMake or C++ toolchain.
If you built a newer GCC following the linked instructions above, you will need to set the following environment variables before proceeding:
export PATH=/path/to/gcc-inst/bin:$PATH export LD_LIBRARY_PATH=/path/to/gcc-inst/lib64:$LD_LIBRARY_PATH export CC=`which gcc` export CXX=`which g++` export LIBGO_CFLAGS=--gcc-toolchain=/path/to/gcc-inst
To build and install llgo:
# Ensure $GOPATH is set. go get -d github.com/go-llvm/llgo/cmd/gllgo $GOPATH/src/llvm.org/llvm/bindings/go/build.sh -DCMAKE_BUILD_TYPE=Release -DLLVM_TARGETS_TO_BUILD=host cd $GOPATH/src/github.com/go-llvm/llgo make install prefix=/path/to/prefix j=N # where N is the number of cores on your machine.
We install two binaries to
llgo is the compiler binary. It has a command line interface that is intended to be compatible to a large extent with
llgo-go is a command line wrapper for
go. It works like the regular
go command except that it uses llgo to build.