diff options
Diffstat (limited to 'clang/lib/Driver')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index ca24e668377..1d86e3f6d60 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -2600,13 +2600,18 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, D.CCLogDiagnosticsFilename : "-"); } - // Use the last option from "-g" group. "-gline-tables-only" - // is preserved, all other debug options are substituted with "-g". + // Use the last option from "-g" group. "-gline-tables-only" and "-gdwarf-x" + // are preserved, all other debug options are substituted with "-g". Args.ClaimAllArgs(options::OPT_g_Group); if (Arg *A = Args.getLastArg(options::OPT_g_Group)) { - if (A->getOption().matches(options::OPT_gline_tables_only)) + if (A->getOption().matches(options::OPT_gline_tables_only)) { + // FIXME: we should support specifying dwarf version with + // -gline-tables-only. CmdArgs.push_back("-gline-tables-only"); - else if (A->getOption().matches(options::OPT_gdwarf_2)) + // Default is dwarf-2 for darwin. + if (getToolChain().getTriple().isOSDarwin()) + CmdArgs.push_back("-gdwarf-2"); + } else if (A->getOption().matches(options::OPT_gdwarf_2)) CmdArgs.push_back("-gdwarf-2"); else if (A->getOption().matches(options::OPT_gdwarf_3)) CmdArgs.push_back("-gdwarf-3"); |
