[FOLD] move libcxx workflow into llvm workflow

Author: sdkrystian

.github/workflows/ci.yml

@@ -72,10 +72,6 @@ jobs:
             llvm-archive-basename: llvm-{{ os }}-{{ llvm-build-preset-prefix }}-{{ llvm-id }}
             llvm-archive-extension: {{#if (ieq os 'windows') }}7z{{else}}tar.bz2{{/if}}
             llvm-archive-filename: {{ llvm-archive-basename }}.{{ llvm-archive-extension }}
-            libcxx-runtimes: libcxx;libcxxabi{{#if (ine os 'windows') }};libunwind{{/if}}
-            libcxx-targets: cxx install-cxx
-            libcxx-cxxflags: {{#if (ieq os 'windows') }}-D__ORDER_LITTLE_ENDIAN__=1234 -D__ORDER_BIG_ENDIAN__=4321 -D__BYTE_ORDER__=__ORDER_LITTLE_ENDIAN__{{/if}}
-            libcxx-cmake-args: -D LLVM_ENABLE_PROJECTS_USED=ON -D LLVM_ENABLE_RUNTIMES="{{ libcxx-runtimes }}" -D LIBCXX_CXX_ABI=libcxxabi {{#if (ieq os 'windows') }}-D LIBCXXABI_USE_LLVM_UNWINDER=OFF -D LIBCXXABI_ENABLE_SHARED=OFF -D LIBCXXABI_ENABLE_STATIC=ON -D LIBCXX_ENABLE_SHARED=OFF -D LIBCXX_ENABLE_STATIC=ON -D LIBCXX_NO_VCRUNTIME=ON{{/if}} {{#if (ieq os 'macos') }}-D CMAKE_OSX_ARCHITECTURES=""{{/if}}
             mrdocs-ccflags: {{ ccflags }} {{#if (eq compiler 'gcc') }}-static{{/if}} {{#if asan }}-static-libasan{{/if}} {{#if tsan }}-static-libtsan{{/if}}
             mrdocs-cxxflags: {{ cxxflags }} {{#if (eq compiler 'gcc') }}-static{{/if}} {{#if asan }}-static-libasan{{/if}} {{#if tsan }}-static-libtsan{{/if}}
             mrdocs-package-generators: {{#if (ieq os 'windows') }}7Z ZIP WIX{{else}}TGZ TXZ{{/if}}
@@ -332,25 +328,6 @@ jobs:
           run-tests: false
           trace-commands: true
 
-      - name: Install LibC++
-        uses: alandefreitas/cpp-actions/[email protected]
-        if: steps.llvm-cache.outputs.cache-hit != 'true' && steps.llvm-download.outputs.found != 'true'
-        with:
-          cmake-version: '>=3.26'
-          source-dir: ../third-party/llvm-project/runtimes
-          build-dir: ${sourceDir}/build-libcxx
-          build-target: ${{ matrix.libcxx-targets }}
-          # MrDocs will only use the LibC++ headers: any compiler that works in this workflow will do
-          cc: ${{ runner.os == 'macOS' && steps.setup-cpp.outputs.cc || '../third-party/llvm-project/install/bin/clang' }}
-          cxx: ${{ runner.os == 'macOS' && steps.setup-cpp.outputs.cxx || '../third-party/llvm-project/install/bin/clang++' }}
-          cxxflags: ${{ matrix.libcxx-cxxflags }}
-          generator: Ninja
-          extra-args: ${{ matrix.libcxx-cmake-args }}
-          install: true
-          install-prefix: ${sourceDir}/../install
-          run-tests: false
-          trace-commands: true
-
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:

third-party/llvm/CMakePresets.json

@@ -14,6 +14,8 @@
       "cacheVariables": {
         "CMAKE_BUILD_TYPE": "Debug",
         "LLVM_ENABLE_PROJECTS": "clang",
+        "LLVM_ENABLE_RUNTIMES": "libcxx;libcxxabi;libunwind",
+        "LLVM_ENABLE_PROJECTS_USED": true,
         "LLVM_TARGETS_TO_BUILD": "X86",
         "LLVM_UNREACHABLE_OPTIMIZE": false,
         "LLVM_ADD_NATIVE_VISUALIZERS_TO_SOLUTION": false,
@@ -25,7 +27,7 @@
         "LLVM_INCLUDE_BENCHMARKS": false,
         "LLVM_INCLUDE_DOCS": false,
         "LLVM_INCLUDE_EXAMPLES": false,
-        "LLVM_INCLUDE_RUNTIMES": false,
+        "LLVM_INCLUDE_RUNTIMES": true,
         "LLVM_INCLUDE_TESTS": false,
         "LLVM_INCLUDE_TOOLS": true,
         "LLVM_INCLUDE_UTILS": true,
@@ -46,6 +48,7 @@
         "CLANG_INCLUDE_TESTS": false,
         "CLANG_INCLUDE_DOCS": false,
         "CLANG_BUILD_EXAMPLES": false,
+        "LIBCXX_CXX_ABI": "libcxxabi",
         "CMAKE_INSTALL_PREFIX": "${sourceDir}/install/${presetName}"
       }
     },