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This patch makes clang default to DWARF2 debug info format for FreeBSD.
Introduced here: http://svnweb.freebsd.org/changeset/base/264345
Index: tools/clang/lib/Driver/Tools.cpp
===================================================================
--- tools/clang/lib/Driver/Tools.cpp
+++ tools/clang/lib/Driver/Tools.cpp
@@ -2627,8 +2635,9 @@ void Clang::ConstructJob(Compilation &C, const Job
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.
+ const llvm::Triple &Triple = getToolChain().getTriple();
+ if (Triple.isOSDarwin() || Triple.getOS() == llvm::Triple::FreeBSD)
CmdArgs.push_back("-gdwarf-2");
else
CmdArgs.push_back("-g");
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