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Pull in r336008 from upstream clang trunk:

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Request init/fini array on FreeBSD 12 and later

  Summary:

  It seems a bad idea to change the default in the middle of a release
  branch due to possible changes in global ctor / dtor ordering between
  .ctors and .init_array. With FreeBSD 11.0's release imminent lets
  change the default now for FreeBSD 12 (the current development
  stream) and later.

  FreeBSD rtld has supported .init_array / .fini_array for many years.
  As of Jan 1 2017 all supported FreeBSD releases and branches will
  have support.

  Reviewers: dim, brooks, arichardson

  Reviewed By: dim, brooks, arichardson

  Subscribers: bsdjhb, krytarowski, emaste, cfe-commits

  Differential Revision: https://reviews.llvm.org/D24867

Requested by:	jhb
MFC after:	3 days
This commit is contained in:
Dimitry Andric 2018-07-12 19:02:59 +00:00
parent b027d6545b
commit 8c44114a46
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=336227
1 changed files with 2 additions and 0 deletions
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2
contrib/llvm/tools/clang/lib/Driver/ToolChains/Gnu.cpp
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@ -2375,6 +2375,8 @@ void Generic_ELF::addClangTargetOptions(const ArgList &DriverArgs,
bool UseInitArrayDefault =
getTriple().getArch() == llvm::Triple::aarch64 ||
getTriple().getArch() == llvm::Triple::aarch64_be ||
(getTriple().getOS() == llvm::Triple::FreeBSD &&
getTriple().getOSMajorVersion() >= 12) ||
(getTriple().getOS() == llvm::Triple::Linux &&
((!GCCInstallation.isValid() || !V.isOlderThan(4, 7, 0)) ||
getTriple().isAndroid())) ||