CMakeLists and CI: Use our custom llvm (#2893)

* c3-llvm: new CMakeLists and CI uses custom llvm version 21.x from "https://github.com//ManuLinares/llvm-custom-builds/" * use c3lang/llvm-for-c3 latest release --------- Co-authored-by: Christoffer Lerno <christoffer@aegik.com>
2026-02-27 12:01:16 +00:00 · 2026-02-05 14:55:09 -03:00
parent 2c55d6e220
commit eddbfb8ba3
2 changed files with 113 additions and 122 deletions
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,9 +8,7 @@ on:
  workflow_dispatch:

 env:
-  LLVM_RELEASE_VERSION_WINDOWS: 21.1.8
-  LLVM_RELEASE_VERSION_MAC: 21
-  LLVM_RELEASE_VERSION_LINUX: 21
+  LLVM_RELEASE_VERSION: 21.x
  LLVM_RELEASE_VERSION_LINUX_MUSL: 20
  LLVM_RELEASE_VERSION_OPENBSD: 20
  LLVM_RELEASE_VERSION_NETBSD: 19
@@ -33,7 +31,7 @@ jobs:
      - uses: actions/cache@v5
        with:
          path: build/_deps
-          key: ${{ runner.os }}-llvm-${{ env.LLVM_RELEASE_VERSION_WINDOWS }}-${{ matrix.build_type }}-${{ hashFiles('CMakeLists.txt', '.github/workflows/main.yml') }}
+          key: ${{ runner.os }}-llvm-${{ env.LLVM_RELEASE_VERSION }}-${{ matrix.build_type }}-${{ hashFiles('CMakeLists.txt', '.github/workflows/main.yml') }}

      # set up the environment for Ninja
      - uses: ilammy/msvc-dev-cmd@v1
@@ -42,7 +40,7 @@ jobs:

      - name: CMake Build
        run: |
-          cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+          cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DC3_FETCH_LLVM=ON
          cmake --build build --config ${{ matrix.build_type }}

      # We remove the GNU link tool so C3C picks up the MSVC link.exe
@@ -132,40 +130,17 @@ jobs:
        run: ./scripts/tools/ci_tests.sh "./build/c3c"

  build-linux:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        build_type: [Release, Debug]
-        llvm_version: [17, 18, 19, 20, 21, 22]
    steps:
      - uses: actions/checkout@v6
      - run: sudo apt-get update && sudo apt-get install -y zlib1g zlib1g-dev python3 ninja-build curl libcurl4-openssl-dev
-      - name: Install Clang ${{matrix.llvm_version}}
-        run: |
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          REPO_URL="http://apt.llvm.org/focal/ llvm-toolchain-focal"
-          if [[ "${{matrix.llvm_version}}" != "${{env.LLVM_DEV_VERSION}}" ]]; then REPO_URL="$REPO_URL-${{matrix.llvm_version}}"; fi
-          sudo add-apt-repository "deb $REPO_URL main"
-          sudo apt-get update
-          PKGS="clang-${{matrix.llvm_version}} llvm-${{matrix.llvm_version}} llvm-${{matrix.llvm_version}}-dev lld-${{matrix.llvm_version}} liblld-${{matrix.llvm_version}}-dev libpolly-${{matrix.llvm_version}}-dev"
-          if [[ "${{matrix.llvm_version}}" < 18 ]]; then PKGS="$PKGS libmlir-${{matrix.llvm_version}} libmlir-${{matrix.llvm_version}}-dev mlir-${{matrix.llvm_version}}-tools"; fi
-          sudo apt-get install -y $PKGS
      - name: CMake Build
        run: |
-          C3_LLVM_VER=${{matrix.llvm_version}}
-          if [[ "${{matrix.llvm_version}}" -ge 18 && "${{matrix.llvm_version}}" != "${{env.LLVM_DEV_VERSION}}" ]]; then C3_LLVM_VER="${{matrix.llvm_version}}.1"; fi
-          
-          cmake -B build -G Ninja \
-                -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \
-                -DCMAKE_C_COMPILER=clang-${{matrix.llvm_version}} \
-                -DCMAKE_CXX_COMPILER=clang++-${{matrix.llvm_version}} \
-                -DCMAKE_LINKER=lld-link-${{matrix.llvm_version}} \
-                -DCMAKE_OBJCOPY=llvm-objcopy-${{matrix.llvm_version}} \
-                -DCMAKE_STRIP=llvm-strip-${{matrix.llvm_version}} \
-                -DCMAKE_DLLTOOL=llvm-dlltool-${{matrix.llvm_version}} \
-                -DLLVM_ENABLE_LIBXML2=OFF \
-                -DC3_LLVM_VERSION=$C3_LLVM_VER
+          cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=${{matrix.build_type}} -DC3_FETCH_LLVM=ON
          cmake --build build
      - name: Run Unified Tests
        run: ./scripts/tools/ci_tests.sh "./build/c3c"
@@ -177,11 +152,9 @@ jobs:
          make C3C_PATH=../../../../build/ run

      - name: Bundle & Upload (Linux)
-        if: matrix.llvm_version == env.LLVM_RELEASE_VERSION_LINUX
        run: |
          bash ./scripts/tools/package_build.sh "./build/c3c" "c3-linux-${{matrix.build_type}}" "tar"
      - uses: actions/upload-artifact@v6
-        if: matrix.llvm_version == env.LLVM_RELEASE_VERSION_LINUX
        with:
          name: c3-linux-${{matrix.build_type}}
          path: c3-linux-${{matrix.build_type}}.tar.gz
@@ -224,44 +197,11 @@ jobs:
      fail-fast: false
      matrix:
        build_type: [Release, Debug]
-        llvm_version: [17, 18, 19, 20, 21]
    steps:
      - uses: actions/checkout@v6
-      - name: Download LLVM
-        run: |
-          brew_install() {
-            for pkg in "$@"; do
-              brew list "$pkg" &>/dev/null || brew install "$pkg"
-            done
-          }
-          if [[ "${{ matrix.llvm_version }}" == "21" ]]; then
-            brew_install llvm lld ninja curl
-            echo "/opt/homebrew/opt/llvm/bin" >> $GITHUB_PATH
-            echo "/opt/homebrew/opt/lld/bin" >> $GITHUB_PATH
-          else
-            brew_install llvm@${{ matrix.llvm_version }} ninja curl
-            echo "/opt/homebrew/opt/llvm@${{ matrix.llvm_version }}/bin" >> $GITHUB_PATH
-            if [[ "${{ matrix.llvm_version }}" -ge 19 ]]; then
-              brew_install lld@${{ matrix.llvm_version }}
-              echo "/opt/homebrew/opt/lld@${{ matrix.llvm_version }}/bin" >> $GITHUB_PATH
-            fi
-          fi
-          echo "CPATH=$(xcrun --show-sdk-path)/user/include" >> $GITHUB_ENV
      - name: CMake Build
        run: |
-          C3_LLVM_VER=${{matrix.llvm_version}}
-          if [[ "${{matrix.llvm_version}}" -ge 18 ]]; then C3_LLVM_VER="${{matrix.llvm_version}}.1"; fi
-          if [[ "${{ matrix.llvm_version }}" == "21" ]]; then
-            C3_LLD_DIR="/opt/homebrew/opt/lld/lib"
-            C3_LLD_INCLUDE_DIR="/opt/homebrew/opt/lld/include"
-          elif [[ "${{ matrix.llvm_version }}" -ge 19 ]]; then
-            C3_LLD_DIR="/opt/homebrew/opt/lld@${{ matrix.llvm_version }}/lib"
-            C3_LLD_INCLUDE_DIR="/opt/homebrew/opt/lld@${{ matrix.llvm_version }}/include"
-          else
-            C3_LLD_DIR=""
-            C3_LLD_INCLUDE_DIR=""
-          fi
-          cmake -B build -G Ninja -DC3_LLVM_VERSION=$C3_LLVM_VER -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DC3_LLD_DIR=$C3_LLD_DIR -DC3_LLD_INCLUDE_DIR=$C3_LLD_INCLUDE_DIR
+          cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DC3_FETCH_LLVM=ON
          cmake --build build
      - name: Run Unified Tests
        run: ./scripts/tools/ci_tests.sh "./build/c3c"
@@ -272,10 +212,8 @@ jobs:
          ../../build/c3c build hello_world_lib -vv --trust=full

      - name: Bundle & Upload (Mac)
-        if: matrix.llvm_version == env.LLVM_RELEASE_VERSION_MAC
        run: bash ./scripts/tools/package_build.sh "./build/c3c" "c3-macos-${{matrix.build_type}}" "zip"
      - uses: actions/upload-artifact@v6
-        if: matrix.llvm_version == env.LLVM_RELEASE_VERSION_MAC
        with:
          name: c3-macos-${{matrix.build_type}}
          path: c3-macos-${{matrix.build_type}}.zip