Michał Górny 387b37af1a [LLVM] [Clang] Support for Gentoo *t64 triples (64-bit time_t ABIs) (#111302) ...

Gentoo is planning to introduce a `*t64` suffix for triples that will be
used by 32-bit platforms that use 64-bit `time_t`. Add support for
parsing and accepting these triples, and while at it make clang
automatically enable the necessary glibc feature macros when this suffix
is used.

An open question is whether we can backport this to LLVM 19.x. After
all, adding new triplets to Triple sounds like an ABI change — though I
suppose we can minimize the risk of breaking something if we move new
enum values to the very end.

2024-10-14 11:18:04 +00:00

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