[PATCH] D136712: Define _GNU_SOURCE for arm baremetal in C++ mode.

[Manoj Gupta via Phabricator via cfe-commits]

manojgupta added a comment.

@tomhughes has more details on this but if we do not define it in clang itself, we'll need to define it for every package manually at build time since the usage goes deep inside newlib headers.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D136712/new/

https://reviews.llvm.org/D136712