[PATCH] D29032: [mips] Define macros related to -mabicalls in the preprocessor

[Simon Dardis via Phabricator via cfe-commits]

sdardis created this revision.

Historically, NetBSD, FreeBSD and OpenBSD have defined the macro ABICALLS in
the preprocessor when -mabicalls is in effect.

Mainline GCC later defined __mips_abicalls when -mabicalls is in effect.

This patch teaches the preprocessor to define these macros when appropriate.

This resolves PR/31694.

Thanks to Sean Bruno for highlighting this issue!


https://reviews.llvm.org/D29032

Files:
  lib/Basic/Targets.cpp
  test/Preprocessor/init.c

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