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As per discussion with Doug Gregor on the IRC channel, introduce a new compiler switch: -fms-compatility.

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Microsoft specific tweaking will now fall into 2 categories:

    - fms-extension: Microsoft specific extensions that should never change the meaning of an otherwise well formed code. Currently map to LangOptions::Microsoft. (To be clearer, I am planning to change the name to LangOptions::MicrosoftExt).

    - fms-compatibility: Really a MSVC emulation mode. Map to LangOptions::MicrosoftMode. Can change the meaning of an otherwise standard conformant program.

llvm-svn: 139978
This commit is contained in:
Francois Pichet
2011-09-17 04:32:15 +00:00
parent c6b316acd9
commit 1b4f1637fb
5 changed files with 12 additions and 1 deletions
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1
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -1655,6 +1655,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
Opts.DollarIdents);
Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
Opts.Microsoft = Args.hasArg(OPT_fms_extensions);
Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility);
Opts.MSCVersion = Args.getLastArgIntValue(OPT_fmsc_version, 0, Diags);
Opts.Borland = Args.hasArg(OPT_fborland_extensions);
Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);