Markus Böck a7cad6680b [PR48898][CMake] Support MinGW Toolchain tool sin llvm_ExternalProject_Add ... Windows is in the unique position of having two drivers, clang-cl and normal GNU clang, depending on whether a GNU or MSVC target is used. The current implementation with the USE_TOOLCHAIN argument assumes that when CMAKE_SYSTEM_NAME is set to Windows that clang-cl should be used, which is the incorrect choice when targeting a GNU environment. This patch solves this problem by adding an optional TARGET_TRIPLE argument to llvm_ExternalProject_Add, which sets the various CMAKE_<LANG>_COMPILER_TARGET variables. Additionally, if the triple is detected as an MSVC environment, clang-cl and similar MSVC specific tools will be used instead of the GNU tools.		2021-03-02 22:45:05 +01:00
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CMakeLists.txt	[PR48898][CMake] Support MinGW Toolchain tool sin llvm_ExternalProject_Add	2021-03-02 22:45:05 +01:00