Merge LLVM Embedded Toolchain for Arm into arm-software/embedded

Author: pratlucas

.cmakelintrc

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+filter=-linelength,-readability/wonkycase

.github/workflows/lint.yml

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+name: Lint
+
+on:
+  # Triggers the workflow on push or pull request events but only for the main
+  # branch
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch: ~
+
+jobs:
+  lint:
+    strategy:
+      matrix:
+        python-version: [3.9]
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      # Cache installed packages
+      - name: pip cache
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache/pip
+          key: pip-${{ matrix.python-version }}-${{ hashFiles('requirements*.txt') }}
+      # Install dependencies for linters
+      - name: Install python packages
+        run: |
+          python -m pip install --upgrade pip wheel setuptools
+          python -m pip install -r requirements-lint.txt
+      - name: Lint CMakeLists.txt
+        run: cmakelint --quiet CMakeLists.txt

arm-software/embedded/CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+
+## [Unreleased]
+
+### Added
+- Armv8.1-M PACBTI library variants (#489).
+
+### Changed
+- -nostartfiles required when using crt0-semihosting (#460).
+
+## [19.0.0]
+
+### Added
+- AArch32 v8-A and v8-R can now be targeted (#484) (#486).
+- Experimental support for building llvm-libc overlay package (#452).
+- Additional library variants for Armv7 (#464) (#491) (#494).
+- Additional multilib mappings for v7ve and Thumb target triples (#479) (#481).
+- Omax and OmaxLTO config files (#454).
+
+### Changed
+- Use unstable libc++ ABI (#294).
+- Merge v7-M and v7E-M library variants (#482).
+- AArch64 A-profile library made distinct (#468).
+
+## [18.0.0]
+
+### Added
+
+- Documentation for the newlib overlay package (#399).
+- Support for C++ exceptions and RTTI added in the standard libraries (#339).
+
+## [17.0.0]
+
+### Fixed
+- Building from sources created by git archive (#242).
+- macOS no longer quarantines files from the macOS package.
+
+### Changed
+- Updated multilib to use LLVM multilib.yaml 1.0 (#250).
+- `*.cfg` files for library variant selection removed in favor of multilib
+- The macOS package is now a `.dmg` instead of `.tar.gz`.
+- Linux packages are now in `tar.xz` format instead of `tar.gz`.
+
+### Removed
+
+- Dependency on libtinfo.so.
+- Coloured terminal output.
+
+## [16.0.0]
+
+### Added
+
+- Support for locales and input/output streams (#149)
+- Experimental support for Armv4T and Armv5TE architectures (#177)
+- Provide binary releases for macOS (#86)
+- Support for building locally on Windows & macOS (#188)
+- Experimental support for multilib (#110).
+
+### Fixed
+
+- lld freezing on Windows (#83)
+- Packages now extract into a LLVMEmbeddedToolchainForArm-VERSION-PLATFORM subdirectory (#179)
+
+### Changed
+
+- Updated to [LLVM 16.0.0](https://github.com/llvm/llvm-project/releases/tag/llvmorg-16.0.0)
+- Windows release packages are now signed.
+
+
+## [15.0.2]
+
+### Added
+
+- A changelog
+- Support for building with CMake directly
+- Support for C++17's aligned operator new
+
+### Changed
+
+- Updated to [LLVM 15.0.2](https://github.com/llvm/llvm-project/releases/tag/llvmorg-15.0.2)
+- Replaced newlib with [picolibc](https://github.com/picolibc/picolibc) (GitHub issue #61)
+- Renamed and updated configuration files
+- Configuration files must now be specified including the file name suffix e.g. `--config armv6m_soft_nofp.cfg`
+
+### Removed
+
+- Wide character support in libc++
+
+
+## [14.0.0] - 2022-05-03
+
+### Changed
+
+- Updated to [LLVM 14.0.0](https://github.com/llvm/llvm-project/releases/tag/llvmorg-14.0.0)
+
+## [13.0.0] - 2021-12-16
+
+### Added
+
+- Initial release of LLVM Embedded Toolchain for Arm
+
+[unreleased]: https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/compare/release-16.0.0...HEAD
+[16.0.0]: https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/compare/release-15.0.2...release-16.0.0
+[15.0.2]: https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/compare/release-14.0.0...release-15.0.2
+[14.0.0]: https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/compare/release-13.0.0...release-14.0.0
+[13.0.0]: https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/releases/tag/release-13.0.0