gecko-dev/build/build-clang
Andi-Bogdan Postelnicu b030e9525d Bug 1447904 - for clang-tidy toolchains set default cxx dialect cxx14. r=froydnj
MozReview-Commit-ID: LrGETsz0W6q

--HG--
extra : rebase_source : 02a9e9bb50ef91fe5aa23fbfce9fe00e6042c005
2018-03-28 18:48:57 +03:00
..
README Bug 1421404: Add lld to the build-clang task. r=glandium 2017-12-01 11:12:07 -05:00
build-clang.py Bug 1424281 - Use Visual Studio 2017 15.6.0 for Windows builds. r=froydnj 2018-03-12 19:24:44 -04:00
clang-3.9-linux64.json Bug 1431314 - Update clang 3.9 and 5.0 toolchains. r=froydnj 2018-01-23 13:48:05 +09:00
clang-4-linux64.json Bug 1409267 - Patch compiler-rt to always use prctl(PR_SET_PTRACER). r=froydnj 2017-11-07 15:07:30 +09:00
clang-5-linux64.json Bug 1431314 - Update clang 3.9 and 5.0 toolchains. r=froydnj 2018-01-23 13:48:05 +09:00
clang-6-pre-linux64.json Bug 1415689 - Add Clang 6 (pre) and use it for ASan builds. r=froydnj 2017-11-10 10:14:26 +01:00
clang-6-pre-macosx64.json Bug 1425406 - Add a linux64 clang 6 (pre) toolchain with the macosx64 native sanitizer dylibs. r=froydnj 2018-02-08 16:58:12 -05:00
clang-macosx64.json Bug 1431314 - Update clang 3.9 and 5.0 toolchains. r=froydnj 2018-01-23 13:48:05 +09:00
clang-tidy-cxx14.patch Bug 1447904 - for clang-tidy toolchains set default cxx dialect cxx14. r=froydnj 2018-03-28 18:48:57 +03:00
clang-tidy-linux64.json Bug 1447904 - for clang-tidy toolchains set default cxx dialect cxx14. r=froydnj 2018-03-28 18:48:57 +03:00
clang-tidy-macosx64.json Bug 1447904 - for clang-tidy toolchains set default cxx dialect cxx14. r=froydnj 2018-03-28 18:48:57 +03:00
clang-tidy-win32.json Bug 1447904 - for clang-tidy toolchains set default cxx dialect cxx14. r=froydnj 2018-03-28 18:48:57 +03:00
clang-tidy-win64.json Bug 1447904 - for clang-tidy toolchains set default cxx dialect cxx14. r=froydnj 2018-03-28 18:48:57 +03:00
clang-win32-st-an.json Bug 1449299 - Give the windows static analysis builders an lld_repo. r=froydnj 2018-03-27 16:25:06 -04:00
clang-win64-st-an.json Bug 1449299 - Give the windows static analysis builders an lld_repo. r=froydnj 2018-03-27 16:25:06 -04:00
clang-win64.json Bug 1443827: Update clang-cl builders to r326909 and add the lld repo. r=froydnj 2018-03-08 17:26:56 -05:00
compiler-rt-cross-compile.patch Bug 1331957 - Part 9: Upgrade cctools used for building clang on OS X for ld 264.3.102; r=froydnj 2017-02-03 10:19:33 -05:00
compiler-rt-no-codesign.patch Bug 1425406 - Add a linux64 clang 6 (pre) toolchain with the macosx64 native sanitizer dylibs. r=froydnj 2018-02-08 16:58:12 -05:00
fflush-before-unlocking.patch Bug 1421692 - Apply compiler-rt patch to flush gcda files before unlocking them. r=glandium 2017-11-29 13:18:22 +00:00
find_symbolizer_linux.patch Bug 1415689 - Add Clang 6 (pre) and use it for ASan builds. r=froydnj 2017-11-10 10:14:26 +01:00
hide-gcda-profiling-symbols.patch Bug 1401230 - Apply compiler-rt patch to avoid crashes on shutdown when unloading shared libraries. r=glandium 2017-09-20 22:52:15 +02:00
llvm-debug-frame-for-5.patch Bug 1408277 - Add a toolchain job for clang 5.0. r=froydnj 2017-10-13 13:22:41 +09:00
llvm-debug-frame.patch
loosen-msvc-detection.patch Bug 1412952 - Loosen clang's MSVC detection to accept our automation's fake paths. r=froydnj 2017-11-03 12:29:58 -04:00
msvc-host-x64.patch Bug 1412952: We want a HostX64 linker even with 32-bit clang-cl.exe. r=froydnj 2017-11-03 12:29:58 -04:00
pr28831-r280042.patch Bug 1331957 - Part 1: Update the clang OSX build config file for cross-compile builds on the infrastructure; r=froydnj 2017-02-03 10:18:50 -05:00
pr_set_ptracer.patch Bug 1409267 - Patch compiler-rt to always use prctl(PR_SET_PTRACER). r=froydnj 2017-11-07 15:07:30 +09:00
r277806.patch Bug 1331957 - Part 6: Reapply LLVM r277806 since our clang-plugin depends on it; r=froydnj 2017-02-03 10:19:17 -05:00
r285657.patch Bug 1331957 - Part 7: Reapply LLVM r285657 to work around bug 1291397 on clang 3.9; r=froydnj 2017-02-03 10:19:23 -05:00
r289565-for-3.9.patch Bug 1410148 - Backport llvm r289565 to clang 3.9. r=gps 2017-12-28 14:54:51 +09:00
r313872.patch Bug 1410148 - Backport llvm r289565 to clang 3.9. r=gps 2017-12-28 14:54:51 +09:00
r318309.patch Bug 1425984 - Backport LLVM revision 318309 to fix clang-cl bustage with VS2017 15.5. r=dmajor 2017-12-19 14:16:31 -05:00
r321543.patch Bug 1425406 - Add a linux64 clang 6 (pre) toolchain with the macosx64 native sanitizer dylibs. r=froydnj 2018-02-08 16:58:12 -05:00
return-empty-string-non-mangled.patch Bug 1262781 - Update to clang 3.8 final. r=froydnj 2016-04-13 06:54:22 +09:00

README

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.
* extra_repo: SVN path to the clang-tools-extra repo.
* lld_repo: SVN path to the lld 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.
* as: Path to the assembler tool.
* ar: Path to the library archiver tool.
* ranlib: Path to the ranlib tool (optional).
* libtool: Path to the libtool tool (optional).
* ld: Path to the linker.
* patches: Optional list of patches to apply.
* 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.
* build_clang_tidy: Whether to build clang-tidy with the Mozilla checks imported.  The default is false.
* osx_cross_compile: Whether to invoke CMake for OS X cross compile builds.
* assertions: Whether to enable LLVM assertions.  The default is false.

Environment Variables
---------------------

The following environment variables are used for cross-compile builds targeting OS X on Linux.

* CROSS_CCTOOLS_PATH: Path to the cctools directory where the cross compiler toolchain is located.
* CROSS_SYSROOT: Path to the OS X SDK directory for cross compile builds.