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compat.glfw: the Win32 backend requires mcpp:kernel-abi=windows - #748
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…mcpp:kernel-abi=windows) As the Linux row states glibc. The MSVC row, the MinGW-w64 payload and the mingw-w64-sysroot base answer it under every mcpp the index admits, since the payload's kernel-abi is the target's system. A Windows identity whose system interface is openkal (openkal-musl over openkal-windows) has no window system and is refused at resolution, naming the requirement, instead of failing in <windows.h>. A requirement on c-abi=ucrt would refuse this package on MSVC under mcpp 2026.11.3.1 to 2026.11.10.1, which answer msvc there.
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The Win32 backend of compat.glfw calls the Windows system interface directly (
<windows.h>, user32, gdi32). The Windows row states it as a requirement on the kernel-abi layer, as the Linux row states glibc:The payload's kernel-abi is the target's system, so the MSVC row, the MinGW-w64 payload and the mingw-w64-sysroot base answer
windowsunder every mcpp the index admits. A requirement onc-abi=ucrtwould refuse the package on MSVC under mcpp 2026.11.3.1 to 2026.11.10.1, which answermsvcthere.Measured with mcpp 2026.11.10.2 against this branch as the
compatindex:x86_64-windows-gnux86_64-windows-gnubuiltin:mingw-llvm(llvm + mingw-w64-sysroot)glfw 3.4.0 Win32 WGL ... MinGW-w64x86_64-windows-muslkernel-abi openkal)glfw@3.4 requires the kernel-abi to be windowsThis PR's validate run pins mcpp 2026.11.7.2, so its Windows default (MSVC) leg measures the requirement on an engine older than 2026.11.10.2.