gecko-dev/build/build-clang
Wander Lairson Costa 29ec9b1378 Bug 1273981 part 1: Add libc++ to clang. r=glandium
We need to rebuild clang with libc++ to get compatible headers for cross
builds. libc++abi is a dependency of libc++, as the build instructions
says [0].

[0] http://libcxx.llvm.org/docs/BuildingLibcxx.html
2016-08-05 10:46:38 -03:00
..
build-clang.py Bug 1273981 part 1: Add libc++ to clang. r=glandium 2016-08-05 10:46:38 -03:00
clang-static-analysis-linux64.json Bug 1273981 part 1: Add libc++ to clang. r=glandium 2016-08-05 10:46:38 -03:00
clang-static-analysis-macosx64.json Bug 1262781 - Update to clang 3.8 final. r=froydnj 2016-04-13 06:54:22 +09:00
clang-static-analysis-win32.json
clang-static-analysis-win64.json
disable-mac-tsan.patch Bug 1262781 - Update to clang 3.8 final. r=froydnj 2016-04-13 06:54:22 +09:00
llvm-debug-frame.patch
query-selector-visibility.patch Bug 1262735 - Change the clang paths in patches added in bug 1210154. r=ehsan 2016-04-13 06:54:22 +09:00
README Bug 1273981 part 1: Add libc++ to clang. r=glandium 2016-08-05 10:46:38 -03:00
return-empty-string-non-mangled.patch Bug 1262781 - Update to clang 3.8 final. r=froydnj 2016-04-13 06:54:22 +09:00

build-clang.py
==============

A script to build clang from source.

```
usage: build-clang.py [-h] -c CONFIG [--clean]

optional arguments:
  -h, --help            show this help message and exit
  -c CONFIG, --config CONFIG
                        Clang configuration file
  --clean               Clean the build directory
```

Pre-requisites
--------------
* Working build toolchain.
* Subversion
* CMake
* Ninja
* Python 2.7

Please use the latest available CMake for your platform to avoid surprises.

Config file format
------------------

build-clang.py accepts a JSON config format with the following fields:

* llvm_revision: The LLVM SVN revision to build.
* stages: Use 1, 2, or 3 to select different compiler stages.  The default is 3.
* llvm_repo: SVN path to the LLVM repo.
* clang_repo: SVN path to the Clang repo.
* compiler_repo: SVN path to the compiler-rt repo.
* libcxx_repo: SVN path to the libcxx repo.
* libcxxabi_repo: SVN path to the libcxxabi repo.
* python_path: Path to the Python 2.7 installation on the machine building clang.
* gcc_dir: Path to the gcc toolchain installation, only required on Linux.
* cc: Path to the bootsraping C Compiler.
* cxx: Path to the bootsraping C++ Compiler.
* patches: Optional list of patches to apply per platform.  Supported platforms: macosx64, linux32, linux64.  The default is Release.
* build_type: The type of build to make.  Supported types: Release, Debug, RelWithDebInfo or MinSizeRel.
* build_libcxx: Whether to build with libcxx.  The default is false.
* assertions: Whether to enable LLVM assertions.  The default is false.