46 lines
1.6 KiB
Plaintext
46 lines
1.6 KiB
Plaintext
build-clang.py
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==============
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A script to build clang from source.
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```
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usage: build-clang.py [-h] -c CONFIG [--clean]
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optional arguments:
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-h, --help show this help message and exit
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-c CONFIG, --config CONFIG
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Clang configuration file
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--clean Clean the build directory
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```
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Pre-requisites
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--------------
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* Working build toolchain.
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* Subversion
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* CMake
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* Ninja
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* Python 2.7
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Please use the latest available CMake for your platform to avoid surprises.
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Config file format
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------------------
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build-clang.py accepts a JSON config format with the following fields:
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* llvm_revision: The LLVM SVN revision to build.
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* stages: Use 1, 2, or 3 to select different compiler stages. The default is 3.
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* llvm_repo: SVN path to the LLVM repo.
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* clang_repo: SVN path to the Clang repo.
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* compiler_repo: SVN path to the compiler-rt repo.
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* libcxx_repo: SVN path to the libcxx repo.
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* libcxxabi_repo: SVN path to the libcxxabi repo.
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* python_path: Path to the Python 2.7 installation on the machine building clang.
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* gcc_dir: Path to the gcc toolchain installation, only required on Linux.
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* cc: Path to the bootsraping C Compiler.
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* cxx: Path to the bootsraping C++ Compiler.
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* patches: Optional list of patches to apply per platform. Supported platforms: macosx64, linux32, linux64. The default is Release.
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* build_type: The type of build to make. Supported types: Release, Debug, RelWithDebInfo or MinSizeRel.
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* build_libcxx: Whether to build with libcxx. The default is false.
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* assertions: Whether to enable LLVM assertions. The default is false.
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