add flag for clang-cl only

NCAR · Jan 31, 2025 · 337fed5 · 337fed5
1 parent e06aa7b
commit 337fed5
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
@@ -82,7 +82,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Run CMake
-        run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -T ClangCL
+        run: cmake -S . -B build -D CMAKE_CXX_COMPILER="C:/Program Files/LLVM/bin/clang-cl.exe" -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -T ClangCL
       - name: Build
         run: cmake --build build --config Debug --parallel 10
       - name: Test

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -47,9 +47,10 @@ if (${CMAKE_HOST_SYSTEM_NAME} MATCHES "Linux" AND "${CMAKE_CXX_COMPILER_ID}" STR
 endif()
 
 # on Windows with MSVC, add the /bigobj flag to allow for large object files
-if (${CMAKE_HOST_SYSTEM_NAME} MATCHES "Windows" AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang"))
+if (${CMAKE_HOST_SYSTEM_NAME} MATCHES "Windows" AND ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" OR "${CMAKE_CXX_COMPILER}" STREQUAL "clang-cl"))
   # If the compiler is MSVC or Clang on Windows, use /bigobj
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj")
+  message(STATUS "Added /bigobj flag to CMAKE_CXX_FLAGS")
 endif()
 
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