Allow cross-compiling arm64 assembly from x64 on Windows#383
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davidchisnall
approved these changes
Apr 22, 2026
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Adds a check for
CMAKE_ASM_COMPILER_TARGETto be set, similar to another similar check forCMAKE_CXX_COMPILER_TARGET.When cross-compiling for ARM64, clang's -m64 targets x86_64, not ARM64, causing machine type conflicts at link time. When
CMAKE_ASM_COMPILER_TARGETis set (e.g. aarch64-pc-windows-msvc from a toolchain file), pass --target= to the assembler instead.