scx-upstream/scheds/include/bpf-compat/gnu/stubs.h

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/*
* Dummy gnu/stubs.h. clang can end up including /usr/include/gnu/stubs.h when
* compiling BPF files although its content doesn't play any role. The file in
* turn includes stubs-64.h or stubs-32.h depending on whether __x86_64__ is
* defined. When compiling a BPF source, __x86_64__ isn't set and thus
* stubs-32.h is selected. However, the file is not there if the system doesn't
* have 32bit glibc devel package installed leading to a build failure.
*
* The problem is worked around by making this file available in the include
* search paths before the system one when building BPF.
*/