[PATCH] D116017: [ELF] #undef PPC to support GCC powerpc32 build

[Fangrui Song via Phabricator via llvm-commits]

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GCC's powerpc32 port predefines `PPC` as a macro in some configurations (Linux,
FreeBSD, and some others. See `builtin_define_std ("PPC"); ` in
gcc/config/rs6000).

Fixes https://bugs.gentoo.org/829599


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D116017

Files:
  lld/ELF/Arch/PPC.cpp


Index: lld/ELF/Arch/PPC.cpp
===================================================================
--- lld/ELF/Arch/PPC.cpp
+++ lld/ELF/Arch/PPC.cpp
@@ -20,6 +20,9 @@
 using namespace lld;
 using namespace lld::elf;
 
+// Undefine the macro predefined by GCC powerpc32.
+#undef PPC
+
 namespace {
 class PPC final : public TargetInfo {
 public:


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