Update CI script for Windows build and remove unused vswhere check

.github/workflows/create-release.yml

@@ -1,7 +1,6 @@
 name: Create Release/Upload Asset
 
 on:
-  workflow_dispatch:
   push:
     # Sequence of patterns matched against refs/tags
     tags:
@@ -21,7 +20,7 @@ env:
 jobs:
   build_on_windows:
     name: Create/Upload Release Asset (Windows)
-    runs-on: windows-latest
+    runs-on: windows-2025-vs2026
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -346,178 +345,8 @@ jobs:
           path: tsc.tar.gz
           retention-days: 1
 
-  build_on_linux_ub20:
-    name: Create/Upload Release Asset (Ubuntu 20.04)
-
-    # The CMake configure and build commands are platform agnostic and should work equally
-    # well on Windows or Mac.  You can convert this to a matrix build if you need
-    # cross-platform coverage.
-    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
-    runs-on: ubuntu-20.04
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Cache Build 3rd Party
-        id: cache-3rd-party
-        uses: actions/cache@v4
-        with:
-          path: __build/llvm/ninja
-          key: ${{ runner.os }}-build-llvm-${{ env.LLVM_VERSION }}-ub20-${{ env.CACHE_VERSION }}
-
-      - name: Cache 3rd Party binaries
-        id: cache-3rd-party-binary
-        uses: actions/cache@v4
-        with:
-          path: 3rdParty
-          key: ${{ runner.os }}-3rd-party-${{ env.LLVM_VERSION }}-ub20-${{ env.CACHE_VERSION }}
-
-      - name: Cache 3rd Party binaries - LLVM ${{ env.LLVM_VERSION }} Release
-        id: cache-3rd-party-binary-llvm-release
-        uses: actions/cache@v4
-        with:
-          path: llvm_${{ env.LLVM_VERSION }}_release_UB20.tgz
-          key: ${{ runner.os }}-3rd-party-llvm-${{ env.LLVM_VERSION }}-release-ub20-${{ env.CACHE_VERSION }}
-
-      - name: Retrieve version
-        run: echo "TAG_NAME=$(git describe --abbrev=0 --tags)" >> $GITHUB_OUTPUT
-        id: version
-
-      - name: Delete __Build TS folders
-        continue-on-error: true
-        run: rm -R ./__build/tsc/ninja/release
-        shell: sh
-
-      - name: Create __Build Folders
-        run: mkdir -p ./__build/tsc/ninja/release; mkdir -p ./__build/gc/ninja/release
-        shell: sh
-
-      - name: Download 3rd party - LLVM
-        continue-on-error: true
-        shell: sh
-        run: |
-            if test ! -f "llvm_${{ env.LLVM_VERSION }}_release_UB20.tgz"; then
-                curl --insecure -L "${{ env.LLVM_UB20_TARGZFILE }}" --output llvm_${{ env.LLVM_VERSION }}_release_UB20.tgz
-            fi
-
-      - name: UnZip 3rd party - LLVM
-        continue-on-error: false
-        shell: sh
-        run: |
-            if test -f "llvm_${{ env.LLVM_VERSION }}_release_UB20.tgz"; then
-                file llvm_${{ env.LLVM_VERSION }}_release_UB20.tgz; mkdir -p ./3rdParty/llvm; tar -xf llvm_${{ env.LLVM_VERSION }}_release_UB20.tgz -C ./3rdParty/llvm/
-            fi
-
-      - name: Download 3rd party source - GC
-        continue-on-error: true
-        shell: sh
-        run: curl --insecure -L https://github.com/bdwgc/bdwgc/releases/download/v${{ env.GC_VERSION }}/gc-${{ env.GC_VERSION }}.tar.gz --output gc-${{ env.GC_VERSION }}.tar.gz
-
-      - name: Download 3rd party source - GC:Atomic_ops
-        continue-on-error: true
-        shell: sh
-        run: curl --insecure -L https://github.com/bdwgc/libatomic_ops/releases/download/v${{ env.LIBATOMIC_OPS_VERSION }}/libatomic_ops-${{ env.LIBATOMIC_OPS_VERSION }}.tar.gz --output libatomic_ops-${{ env.LIBATOMIC_OPS_VERSION }}.tar.gz
-
-      - name: UnZip 3rd party source - GC
-        continue-on-error: false
-        shell: sh
-        run: tar -xvzf gc-${{ env.GC_VERSION }}.tar.gz -C ./3rdParty/
-
-      - name: UnZip 3rd party source - GC:Atomic_ops
-        continue-on-error: false
-        shell: sh
-        run: tar -xvzf libatomic_ops-${{ env.LIBATOMIC_OPS_VERSION }}.tar.gz -C ./3rdParty/
-
-      - name: Copy Atomic_ops to GC
-        continue-on-error: false
-        shell: sh
-        run: cp -a ./3rdParty/libatomic_ops-${{ env.LIBATOMIC_OPS_VERSION }}/ ./3rdParty/gc-${{ env.GC_VERSION }}/libatomic_ops/
-
-      - name: Install Ninja
-        continue-on-error: false
-        shell: sh
-        run: sudo apt install ninja-build
-
-  #    - name: Install Clang 12
-  #      continue-on-error: false
-  #      shell: sh
-  #      run: sudo apt install clang-12
-
-      - name: Configure GC
-        continue-on-error: false
-        working-directory: ${{github.workspace}}/__build/gc/ninja/release
-        shell: sh
-        run: cmake ../../../../3rdParty/gc-${{ env.GC_VERSION }} -G "Ninja" -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} -Wno-dev -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/3rdParty/gc/release -DBUILD_SHARED_LIBS=OFF -Denable_threads=ON -Denable_cplusplus=OFF -Denable_docs=OFF
-
-      - name: Build GC
-        continue-on-error: false
-        working-directory: ${{github.workspace}}/__build/gc/ninja/release
-        shell: sh
-        run: cmake --build . --config ${{ env.BUILD_TYPE }} -j 8
-
-      - name: Install GC
-        continue-on-error: false
-        working-directory: ${{github.workspace}}/__build/gc/ninja/release
-        shell: sh
-        # Generates the BDWgc CMake package files (lib/cmake/bdwgc/BDWgcConfig.cmake)
-        # that the tsc build looks up via find_package(BDWgc CONFIG).
-        run: cmake --install . --config ${{ env.BUILD_TYPE }}
-
-      - name: Configure
-        continue-on-error: false
-        working-directory: ${{github.workspace}}/__build/tsc/ninja/release
-        shell: sh
-        run: cmake ../../../../tsc -G "Ninja" -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} -DTSC_PACKAGE_VERSION:STRING="${{ steps.version.outputs.TAG_NAME }}" -Wno-dev
-
-      - name: Build
-        continue-on-error: false
-        working-directory: ${{github.workspace}}/__build/tsc/ninja/release
-        shell: sh
-        run: cmake --build . --config ${{ env.BUILD_TYPE }} -j 4
-
-      - name: Test
-        continue-on-error: false
-        working-directory: ${{github.workspace}}/__build/tsc/ninja/release
-        shell: sh
-        # Execute tests defined by the CMake configuration.  
-        # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-        run: ctest -j1 -C ${{ env.BUILD_TYPE }} -T test --output-on-failure -T test --output-on-failure
-        env:
-          LLVM_SYMBOLIZER_PATH: ${{github.workspace}}/3rdParty/llvm/release/bin
-
-      # Replicates installDefaultLib() from tsc/defaultlib.cpp: clone the default
-      # library sources and build them against the tsc/gc/llvm/runtime we just built.
-      - name: Clone Default Library
-        continue-on-error: false
-        working-directory: ${{github.workspace}}
-        shell: sh
-        run: if [ ! -d "./TypeScriptCompilerDefaultLib" ]; then git clone https://github.com/ASDAlexander77/TypeScriptCompilerDefaultLib.git; fi
-
-      - name: Build Default Library
-        continue-on-error: false
-        working-directory: ${{github.workspace}}/TypeScriptCompilerDefaultLib
-        shell: sh
-        env:
-          TOOL_PATH: ${{github.workspace}}/__build/tsc/ninja/release/bin
-          GC_LIB_PATH: ${{github.workspace}}/__build/gc/ninja/release
-          LLVM_LIB_PATH: ${{github.workspace}}/3rdParty/llvm/release/lib
-          TSC_LIB_PATH: ${{github.workspace}}/__build/tsc/ninja/release/lib
-        run: chmod +x ./build.sh ./scripts/*.sh; ./build.sh release
-
-      - name: Create Tar.GZ of Linux Asset
-        working-directory: ${{github.workspace}}/__build
-        shell: sh
-        run: tar -czvhf ../tsc-ub20.tar.gz ./tsc/ninja/release/bin/tsc ./tsc/ninja/release/lib/libTypeScriptRuntime.so ./gc/ninja/release/libgc.a ./tsc/ninja/release/lib/libTypeScriptAsyncRuntime.a ../3rdParty/llvm/release/bin/wasm-ld ../3rdParty/llvm/release/lib/libLLVMSupport.a ../3rdParty/llvm/release/lib/libLLVMDemangle.a -C ../TypeScriptCompilerDefaultLib/__build/release .
-
-      - name: Archive Tar.GZ of Linux Asset
-        uses: actions/upload-artifact@v4
-        with:
-          name: tsc-linux-asset-ub20
-          path: tsc-ub20.tar.gz
-          retention-days: 1
-
   create_release:
-    needs: [build_on_windows, build_on_linux, build_on_linux_ub20]
+    needs: [build_on_windows, build_on_linux]
     name: Create Release
     runs-on: ubuntu-latest
     steps:

tsc/tsc/defaultlib.cpp

@@ -213,15 +213,6 @@ int buildWin32(const SmallVectorImpl<char>& appPath, SmallVectorImpl<char>& buil
 
     auto cmdPath = fromPath.get();
 
-    fromPath = llvm::sys::findProgramByName("vswhere");
-    if (!fromPath)
-    {
-        llvm::WithColor::error(llvm::errs(), "tsc") << "'vswhere' not found on PATH" << "\n";
-        return -1;        
-    }
-
-    auto vswherePath = fromPath.get();    
-
     std::optional<StringRef> redirects[] = {
         std::nullopt, // Stdin
         std::nullopt, // Stdout
@@ -242,14 +233,12 @@ int buildWin32(const SmallVectorImpl<char>& appPath, SmallVectorImpl<char>& buil
     std::string llvmLibPathVar = llvm::formatv("{0}={1}", "LLVM_LIB_PATH", llvmLibPath);
     std::string tscLibPathVar = llvm::formatv("{0}={1}", "TSC_LIB_PATH", tscLibPath);
     std::string defaultLibPathVar = llvm::formatv("{0}={1}", "DEFAULT_LIB_PATH", defaultLibPath);    
-    std::string vswherePathVar = llvm::formatv("{0}={1}", "VSWHERE_PATH", vswherePath);    
 
     PUTENV(appPathVar.data());
     PUTENV(gcLibPathVar.data());
     PUTENV(llvmLibPathVar.data());
     PUTENV(tscLibPathVar.data());
     PUTENV(defaultLibPathVar.data());
-    PUTENV(vswherePathVar.data());
 
     std::string errMsg;
     auto returnCode = sys::ExecuteAndWait(