Build only things we are interested in

.github/workflows/clang-tools-amd64.yml

@@ -8,30 +8,9 @@ jobs:
   build:
     strategy:
       matrix:
-        clang-version: [ 3.9, 4, 5, 6, 7, 8, 9, 10, 11, 12 ]
-        os: [ linux, macosx, windows ]
+        clang-version: [ 12 ]
+        os: [ linux ]
         include:
-          - clang-version: 3.9
-            release: llvm-project-3.9.1
-          - clang-version: 4
-            release: llvm-project-4.0.1
-          - clang-version: 5
-            release: llvm-project-5.0.2
-          - clang-version: 6
-            release: llvm-project-6.0.1
-          - clang-version: 7
-            release: llvm-project-7.1.0
-          - clang-version: 8
-            release: llvm-project-8.0.1
-            extra-cmake-args: '-DCLANG_ANALYZER_ENABLE_Z3_SOLVER=OFF'
-          - clang-version: 9
-            release: llvm-project-9.0.1
-            extra-cmake-args: '-DLLVM_ENABLE_Z3_SOLVER=OFF'
-          - clang-version: 10
-            release: llvm-project-10.0.1
-            extra-cmake-args: '-DLLVM_ENABLE_Z3_SOLVER=OFF'
-          - clang-version: 11
-            release: llvm-project-11.1.0.src
           - clang-version: 12
             release: llvm-project-12.0.0.src
           - os: linux
@@ -41,96 +20,22 @@ jobs:
             bindir: '/build/bin'
             dotexe: ''
             shacmd: 'sha512sum'
-          - os: macosx
-            runner: macos-latest
-            os-cmake-args: '-DCMAKE_CXX_FLAGS="-static-libgcc -static-libstdc++ -flto" -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 ${POSIX_CMAKE_ARGS}'
-            build-args: '-j$(sysctl -n hw.ncpu)'
-            bindir: '/build/bin'
-            dotexe: ''
-            shacmd: 'shasum -a512'
-          - os: windows
-            runner: windows-latest
-            os-cmake-args: '-Thost=x64 -DCMAKE_CXX_FLAGS="/MP /std:c++14" -DLLVM_USE_CRT_MINSIZEREL="MT"'
-            build-args: '--config MinSizeRel'
-            bindir: '/build/MinSizeRel/bin'
-            dotexe: '.exe'
-            shacmd: 'sha512sum.exe'
-            extra-tar-args: '--exclude=${RELEASE}/clang/test/Driver/Inputs/* --exclude=${RELEASE}/libcxx/test/std/input.output/filesystems/Inputs/static_test_env/* --exclude=${RELEASE}/libclc/amdgcn-mesa3d'
-            extra-tar-args-cfe: '--exclude=cfe-${version}.src/test/Driver/Inputs/*'
     runs-on: ${{ matrix.runner }}
     env:
       COMMON_CMAKE_ARGS: '-DBUILD_SHARED_LIBS=OFF -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra"'
       POSIX_CMAKE_ARGS: '-DCMAKE_BUILD_TYPE=MinSizeRel -DCMAKE_CXX_COMPILER=g++-10 -DCMAKE_C_COMPILER=gcc-10'
       RELEASE: '${{ matrix.release }}'
       suffix: '${{ matrix.clang-version }}_${{ matrix.os }}-amd64'
     steps:
-    - name: download patches
-      # we download a tarball of this repo, as the presence of a .git directory leaks
-      # the commit hash of this repository into the clang binaries
-      shell: bash
-      run: curl -L https://github.com/${{ github.repository }}/archive/${{ github.ref }}.tar.gz | tar xvz --strip 1
-    - name: get llvm-project
-      if: ${{ matrix.clang-version < 7 }}
-      shell: bash
-      run: |
-        version=${RELEASE##llvm-project-}
-        curl -LO https://releases.llvm.org/${version}/llvm-${version}.src.tar.xz
-        curl -LO https://releases.llvm.org/${version}/cfe-${version}.src.tar.xz
-        curl -LO https://releases.llvm.org/${version}/clang-tools-extra-${version}.src.tar.xz
     - name: get llvm-project
-      if: ${{ matrix.clang-version == 7 || matrix.clang-version == 8 }}
-      shell: bash
-      run: |
-        version=${RELEASE##llvm-project-}
-        curl -LO https://github.com/llvm/llvm-project/releases/download/llvmorg-${version}/llvm-${version}.src.tar.xz
-        curl -LO https://github.com/llvm/llvm-project/releases/download/llvmorg-${version}/cfe-${version}.src.tar.xz
-        curl -LO https://github.com/llvm/llvm-project/releases/download/llvmorg-${version}/clang-tools-extra-${version}.src.tar.xz
-    - name: get llvm-project
-      if: ${{ matrix.clang-version >= 9 }}
       shell: bash
       run: |
         version=${RELEASE##llvm-project-}; version=${version%.src}
         curl -LO https://github.com/llvm/llvm-project/releases/download/llvmorg-${version}/${{ matrix.release }}.tar.xz
-
     - name: unpack llvm-project
-      if: ${{ matrix.clang-version < 9 }}
-      shell: bash
-      run: |
-        version=${RELEASE##llvm-project-}
-        tar xf llvm-${version}.src.tar.xz
-        tar xf cfe-${version}.src.tar.xz ${{ matrix.extra-tar-args-cfe }}
-        tar xf clang-tools-extra-${version}.src.tar.xz
-        mkdir ${{ matrix.release }}
-        mv llvm-${version}.src ${{ matrix.release }}/llvm
-        mv cfe-${version}.src ${{ matrix.release }}/clang
-        mv clang-tools-extra-${version}.src ${{ matrix.release }}/clang-tools-extra
-    - name: move clang 3.9 sources
-      if: ${{ matrix.clang-version == 3.9 }}
-      run: |
-        mv ${{ matrix.release }}/clang ${{ matrix.release }}/llvm/tools/clang
-        mv ${{ matrix.release }}/clang-tools-extra ${{ matrix.release }}/llvm/tools/clang/tools/extra
-    - name: unpack llvm-project
-      if: ${{ matrix.clang-version >= 9 }}
       shell: bash
       run: |
         tar xf ${{ matrix.release }}.tar.xz ${{ matrix.extra-tar-args }}
-
-    - name: patch clang-3.9 constify operator
-      if: ${{ matrix.clang-version == 3.9 && matrix.os == 'windows' }}
-      shell: bash
-      run: patch ${{ matrix.release }}/llvm/utils/TableGen/AsmWriterEmitter.cpp windows-clang-3.9_constify-operator.patch
-    - name: patch clang-8 includes
-      if: ${{ matrix.clang-version == 8 }}
-      shell: bash
-      run: patch ${{ matrix.release }}/llvm/include/llvm/Demangle/MicrosoftDemangleNodes.h include-cstdint-string-prior-to-using-uint8_t.patch
-    - name: patch trivially-copyable clang 9/10
-      if: ${{ ( matrix.clang-version == 9 || matrix.clang-version == 10 ) && matrix.os == 'windows' }}
-      shell: bash
-      run: patch ${{ matrix.release }}/llvm/cmake/config-ix.cmake windows-clang-9-10-trivially-copyable-mismatch.patch
-    - name: patch cmake implicit link libraries on macosx
-      if: ${{ matrix.os == 'macosx' }}
-      shell: bash
-      run: sed -i.backup 's/gcc_eh.\*|/gcc_eh.*|gcc_ext.*|/g' $(find /usr/local/Cellar -name CMakeParseImplicitLinkInfo.cmake)
     - name: cmake
       run: cmake -S ${{ matrix.release }}/llvm -B ${{ matrix.release }}/build ${{ env.COMMON_CMAKE_ARGS }} ${{ matrix.os-cmake-args }} ${{ matrix.extra-cmake-args }}
     - name: build