diff options
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 4e94346de1..436a2a42a4 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -1353,6 +1353,15 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, Args.AddLastArg(CmdArgs, options::OPT_trigraphs); } + // Map the bizarre '-Wwrite-strings' flag to a more sensible + // '-fconst-strings'; this better indicates its actual behavior. + if (Args.hasFlag(options::OPT_Wwrite_strings, options::OPT_Wno_write_strings, + false)) { + // For perfect compatibility with GCC, we do this even in the presence of + // '-w'. This flag names something other than a warning for GCC. + CmdArgs.push_back("-fconst-strings"); + } + // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'. if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) { if (Asm->getOption().matches(options::OPT_fasm)) |