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This patched version runs the x86_64 build of haxe through emulation on arm64 windows.
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The reason for the out of memory issue during builds is that msvc is being emulated using 32-bit x86: Line 839 in e638733 This was probably added when older versions of Windows arm64 did not yet support x86_64 emulation, only x86_32. Ideally we should:
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Let's try the arm64 one then. |
Previously we were forcing a host arch of x86, which caused the compiler to run out of memory when processing precompiled headers. Hopefully, VsDevCmd can pick an appropriate host architecture automatically for us (arm64 when available [0], x64/x86 for cross-compilation or when visual studio is old and doesn't support a native arm64 build). [0] https://devblogs.microsoft.com/visualstudio/arm64-visual-studio-is-officially-here/
HXCPP_MSVC is set when using HXCPP_MSVC_VER, which uses legacy VSxxxCOMNTOOLS environment variables that no longer exist since VS2017 [0]. VS2017 was also the first version of VS to add arm64 as a target [1], so this older method is incompatible anyway. Aside from these issues, this also never worked because it would check for "..._arm64.bat" but then call "..._amd64.bat", so it was never correctly producing arm64 binaries. [0] https://developercommunity.visualstudio.com/t/missing-vs150comntools/35325 [1] https://pete.akeo.ie/2017/05/compiling-desktop-arm-applications-with.html
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It looks like we should be able to defer to VsDevCmd to decide the correct host, which is simpler on our end and will hopefully do the correct thing for those edge cases with older VS installs etc. |
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This requires a patched version of setup-haxe: krdlab/setup-haxe#138
Related to #1386