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Make clang default to DWARF2 debug info format for FreeBSD 10.x and

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earlier.  For head, this commit does not change anything, but it is
purely meant to be MFC'd.

MFC after:	3 days
This commit is contained in:
dim 2014-03-29 00:25:27 +00:00
parent 0fd9448514
commit 3dd17d8d4a
1 changed files with 4 additions and 2 deletions
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6
contrib/llvm/tools/clang/lib/Driver/Tools.cpp
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@ -2635,8 +2635,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back("-gdwarf-4");
else if (!A->getOption().matches(options::OPT_g0) &&
!A->getOption().matches(options::OPT_ggdb0)) {
// Default is dwarf-2 for darwin.
if (getToolChain().getTriple().isOSDarwin())
// Default is dwarf-2 for darwin and FreeBSD <= 10.
const llvm::Triple &Triple = getToolChain().getTriple();
if (Triple.isOSDarwin() || (Triple.getOS() == llvm::Triple::FreeBSD &&
Triple.getOSMajorVersion() <= 10))
CmdArgs.push_back("-gdwarf-2");
else
CmdArgs.push_back("-g");