[Openmp-commits] [llvm] [openmp] [Runtimes] Drop 'flang' from runtimes configure dependency (PR #198205)

[Michael Kruse via Openmp-commits]

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@@ -88,15 +88,17 @@ if (CMAKE_Fortran_COMPILER)
   # cannot use CMAKE_Fortran_COMPILER_ID.
   cmake_path(GET CMAKE_Fortran_COMPILER STEM _Fortran_COMPILER_STEM)
   if (_Fortran_COMPILER_STEM STREQUAL "flang-new" OR _Fortran_COMPILER_STEM STREQUAL "flang")
+    # Force the compiler ID so CMake does not try to run the compiler for
+    # identification. In a bootstrapping build the Flang binary may not be
+    # built yet at configure time (only CMAKE_Fortran_COMPILER_WORKS is set).
+    set(CMAKE_Fortran_COMPILER_ID "LLVMFlang")
+    set(CMAKE_Fortran_COMPILER_ID_RUN TRUE)
+    set(CMAKE_Fortran_COMPILER_FORCED TRUE)
+    set(CMAKE_Fortran_COMPILER_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}")
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Meinersbur wrote:

Under Windows, CMake would use clang-cl, which is CMAKE_C_SIMULATE_ID "MSVC". There is no flang-cl that would support that.

https://github.com/llvm/llvm-project/pull/198205