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Add a Github action file to test runnable_cxx
This allows us to test `runnable_cxx` with multiple versions of g++ and clang on linux, and multiple versions of clang on OSX. In the future, we can extend it to work on MSVC as well, but in its current form this can unblock PR 10927.
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.github/workflows/runnable_cxx.yml
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.github/workflows/runnable_cxx.yml
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# Github action to test for C++ interoperability
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#
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# Most tests in the test-suite run on the CI when it comes to cross-platform testing.
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# However, the dlang auto-tester uses somewhat old host C/C++ compiler.
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# This is good for testing compatibility with e.g. LTS distributions,
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# but becomes problematic when we want to test more cutting-edge features,
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# such as newer C++ standards (C++17, C++20, etc...).
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#
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# This is the reason why we have this action: we have full control over the toolchain,
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# and it's cross platform.
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#
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# Notes:
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# - Some patterns used here have been developed through a lot of trial and error
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# In particular, the build matrix approach, with two rows, and a large list of
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# excludes, ended up being the most useful approach.
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# - Additionally, the check for the compiler version will save you a lot of trouble.
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# Having the wrong path added to the $PATH and ending up with the wrong compiler
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# being used can make debugging very painful.
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# - Try to use the native Github action syntax (${{ expression }}) when possible,
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# as they are substituted with their value in the logs, unlike env variable.
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# For example use `${{ github.workspace }}` over `${GITHUB_WORKSPACE}`
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#
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# TODO:
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# - Implement Windows + MSVC support
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# - Implement Windows + clang support
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# - Implement Linux + Clang 32 bits support (if possible)
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name: C++ interop tests
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# Only triggers on pushes to master & stable, as well as PR to master and stable
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# Sometimes reverts appear in the upstream repository (e.g. when the revert button
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# is clicked by a contributor with commit access), this should be tested as PR).
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#
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# Also note that Github actions does not retrigger on target branch changes,
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# hence the check on push.
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on:
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pull_request:
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branches:
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- master
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- stable
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push:
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branches:
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- master
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- stable
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# Use this branch name in your fork to test changes
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- github-actions
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jobs:
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main:
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name: Run
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strategy:
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# Since those tests takes very little time, don't use `fail-fast`.
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# If runtime expand, we might want to comment this out,
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# as most failing PRs do so because they don't compile / something is broken,
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# very few PRs actually benefit from this.
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fail-fast: false
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matrix:
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# Latest OSX, Ubuntu 16.04 in order to support older LLVM / GCC
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os: [ macOS-10.15, ubuntu-16.04, windows-2019 ]
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target: [
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# We test clang all the way back to v3.9.0 (2016-09-02),
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# as it's the first version to support ABI tags
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clang-9.0.0, clang-8.0.0, clang-7.0.0,
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clang-6.0.0, clang-5.0.2, clang-4.0.0, clang-3.9.0,
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# For g++, we test all major's latest minor releases since the
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# introduction of ABI the dual ABI (v5.1, 2015-04-15)
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g++-9, g++-8, g++-7, g++-6, g++-5,
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# Finally, we test MSVC 2013 - 2019
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msvc-2019, msvc-2017, msvc-2015, msvc-2013
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]
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# Exclude target compilers not supported by the host
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# Note: Pattern matching is not supported so this list is quite long,
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# and brittle, as changing an msvc entry would break on OSX, for example.
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exclude:
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# Ubuntu supports clang and g++
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- { os: ubuntu-16.04, target: msvc-2019 }
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- { os: ubuntu-16.04, target: msvc-2017 }
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- { os: ubuntu-16.04, target: msvc-2015 }
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- { os: ubuntu-16.04, target: msvc-2013 }
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# OSX only supports clang
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- { os: macOS-10.15, target: g++-9 }
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- { os: macOS-10.15, target: g++-8 }
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- { os: macOS-10.15, target: g++-7 }
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- { os: macOS-10.15, target: g++-6 }
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- { os: macOS-10.15, target: g++-5 }
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- { os: macOS-10.15, target: msvc-2019 }
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- { os: macOS-10.15, target: msvc-2017 }
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- { os: macOS-10.15, target: msvc-2015 }
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- { os: macOS-10.15, target: msvc-2013 }
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# We don't test g++ on Windows as DMD only mangles for MSVC
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- { os: windows-2019, target: g++-9 }
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- { os: windows-2019, target: g++-8 }
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- { os: windows-2019, target: g++-7 }
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- { os: windows-2019, target: g++-6 }
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- { os: windows-2019, target: g++-5 }
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# TODO: Implement support for clang and MSVC on Windows
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# Currently those are still being run by the auto-tester
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- os: windows-2019
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# This sets the configuration for each jobs
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# There's a bit of duplication involved (e.g. breaking down g++-9.3 into 2 strings),
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# but some items are unique (e.g. clang-9.0.0 and 4.0.1 have differences in their naming).
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include:
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# Clang boilerplate
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- { target: clang-9.0.0, compiler: clang, cxx-version: 9.0.0 }
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- { target: clang-8.0.0, compiler: clang, cxx-version: 8.0.0 }
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- { target: clang-7.0.0, compiler: clang, cxx-version: 7.0.0 }
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- { target: clang-6.0.0, compiler: clang, cxx-version: 6.0.0 }
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- { target: clang-5.0.2, compiler: clang, cxx-version: 5.0.2 }
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# Note: 4.0.1 has no 16.04 package and the OSX archive extracts
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# to a different arch, so we don't use it
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- { target: clang-4.0.0, compiler: clang, cxx-version: 4.0.0 }
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- { target: clang-3.9.0, compiler: clang, cxx-version: 3.9.0 }
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# g++ boilerplace
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- { target: g++-9, compiler: g++, cxx-version: 9.3.0 }
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- { target: g++-8, compiler: g++, cxx-version: 8.4.0 }
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- { target: g++-7, compiler: g++, cxx-version: 7.5.0 }
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- { target: g++-6, compiler: g++, cxx-version: 6.5.0 }
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- { target: g++-5, compiler: g++, cxx-version: 5.5.0 }
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# Platform boilerplate
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- { os: ubuntu-16.04, arch: x86_64-linux-gnu-ubuntu-16.04 }
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- { os: macOS-10.15, arch: x86_64-apple-darwin }
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# Clang 9.0.0 have a different arch for OSX
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- { os: macOS-10.15, target: clang-9.0.0, arch: x86_64-darwin-apple }
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# We're using the latest available images at the time of this commit.
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# Using a specific version for reproductibility.
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# Feel free to update when a new release has matured.
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runs-on: ${{ matrix.os }}
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steps:
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########################################
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# Setting up the host D compiler #
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########################################
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- name: Prepare compiler
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uses: mihails-strasuns/setup-dlang@v0.5.0
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with:
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# The host compiler does not matter too much, it is simply used for building DMD
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# Other CIs will test bootstrapping.
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compiler: dmd-2.091.0
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# Token required to avoid hitting unauthenticated API limit
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gh_token: ${{ secrets.GITHUB_TOKEN }}
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#########################################
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# Checking out up DMD, druntime, Phobos #
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#########################################
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- name: Checkout DMD
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uses: actions/checkout@v2
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with:
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path: dmd
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ref: ${{ github.base_ref }}
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persist-credentials: false
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- name: Checkout druntime
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uses: actions/checkout@v2
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with:
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path: druntime
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repository: dlang/druntime
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ref: ${{ github.base_ref }}
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persist-credentials: false
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- name: Checkout Phobos
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uses: actions/checkout@v2
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with:
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path: phobos
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repository: dlang/phobos
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ref: ${{ github.base_ref }}
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persist-credentials: false
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########################################
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# Setting up the host C++ compiler #
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########################################
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- name: '[Posix] Setting up clang ${{ matrix.cxx-version }}'
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if: matrix.compiler == 'clang' && runner.os != 'Windows'
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run: |
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wget --quiet --directory-prefix=${{ github.workspace }} https://releases.llvm.org/${{ matrix.cxx-version }}/clang+llvm-${{ matrix.cxx-version }}-${{ matrix.arch }}.tar.xz
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tar -x -C ${{ github.workspace }} -f ${{ github.workspace }}/clang+llvm-${{ matrix.cxx-version }}-${{ matrix.arch }}.tar.xz
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TMP_CC='${{ github.workspace }}/clang+llvm-${{ matrix.cxx-version }}-${{ matrix.arch }}/bin/clang'
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# On OSX, the system header are installed via `xcode-select` and not distributed with clang
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# Since some part of the testsuite rely on CC being only a binary (not a command),
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# and config files where only introduced from 6.0.0, use a wrapper script.
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if [ "${{ matrix.os }}" == "macOS-10.15" ]; then
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# Note: heredoc shouldn't be indented
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cat <<EOF > ${TMP_CC}-wrapper
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#!/bin/bash
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${TMP_CC} -isystem /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/ \$@
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EOF
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chmod +x ${TMP_CC}-wrapper
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cat ${TMP_CC}-wrapper
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echo ::set-env name=CC::${TMP_CC}-wrapper
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else
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echo ::set-env name=CC::${TMP_CC}
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fi
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# On OSX and Linux, clang is installed by default and in the path,
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# so make sure ${CC} works
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- name: '[Posix] Verifying installed clang version'
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if: matrix.compiler == 'clang' && runner.os != 'Windows'
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run: |
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set -e
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if ${CC} --version | grep -q 'version ${{ matrix.cxx-version }}'; then
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${CC} --version
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else
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echo "Expected version ${{ matrix.cxx-version }}, from '${CC}', got:"
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${CC} --version
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exit 1
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fi
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# G++ is only supported on Linux
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- name: '[Linux] Setting up g++ ${{ matrix.cxx-version }}'
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if: matrix.compiler == 'g++'
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run: |
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# Workaround bug in Github actions
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curl https://cli-assets.heroku.com/apt/release.key | sudo apt-key add -
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# Make sure we have the essentials
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sudo apt-get update
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sudo apt-get install build-essential software-properties-common -y
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# This ppa provides multiple versions of g++
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sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
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sudo apt-get update
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sudo apt-get install ${{ matrix.target }} ${{ matrix.target }}-multilib
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echo ::set-env name=CC::${{ matrix.target }}
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# Make sure ${CC} works and we don't use the $PATH one
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- name: '[Linux] Verifying installed g++ version'
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if: matrix.compiler == 'g++'
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run: |
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set -e
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if ${CC} --version | grep -q '${{ matrix.target }} (Ubuntu '; then
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${CC} --version
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else
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echo "Expected version ${{ matrix.target }}, from '${CC}', got:"
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${CC} --version
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exit 1
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fi
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########################################
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# Building DMD, druntime, Phobos #
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########################################
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- name: '[Posix] Build compiler & standard library'
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# By default, VMs have 2 processors available, hence the `-j2`:
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# https://help.github.com/en/actions/reference/virtual-environments-for-github-hosted-runners#supported-runners-and-hardware-resources
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run: |
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# All hosts are 64 bits but let's be explicit
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./dmd/src/build.d -j2 MODEL=64
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make -C druntime -f posix.mak -j2 MODEL=64
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make -C phobos -f posix.mak -j2 MODEL=64
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# Both version can live side by side (they end up in a different directory)
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# However, since clang does not provide a multilib package, only test 32 bits with g++
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if [ ${{ matrix.compiler }} == "g++" ]; then
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./dmd/src/build.d -j2 MODEL=32
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make -C druntime -f posix.mak -j2 MODEL=32
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make -C phobos -f posix.mak -j2 MODEL=32
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fi
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########################################
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# Running the test suite #
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########################################
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- name: Run C++ test suite
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run: |
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./dmd/test/run.d --environment runnable_cxx MODEL=64
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if [ ${{ matrix.compiler }} == "g++" ]; then
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./dmd/test/run.d clean
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./dmd/test/run.d runnable_cxx MODEL=32
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fi
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