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| author | Faisal Vali <faisalv@yahoo.com> | 2017-07-16 00:23:04 +0000 |
|---|---|---|
| committer | Faisal Vali <faisalv@yahoo.com> | 2017-07-16 00:23:04 +0000 |
| commit | 5f475b989c8b2ffd35dccbdc77a64ac36601e727 (patch) | |
| tree | 2c97660410ccd7c02d4e6e75c0b08106fbba6752 /clang/lib/Frontend/InitPreprocessor.cpp | |
| parent | 50648af623295e526b2943cc9ce7aa2b3db5a6ce (diff) | |
| download | bcm5719-llvm-5f475b989c8b2ffd35dccbdc77a64ac36601e727.tar.gz bcm5719-llvm-5f475b989c8b2ffd35dccbdc77a64ac36601e727.zip | |
[c++2a] Add option -std=c++2a to enable support for potential/transitional C++2a features
- as usual C++2a implies all the C++'s that came before it.
Thank you Aaron for the feedback here: https://reviews.llvm.org/D35454
llvm-svn: 308118
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index 71420df0002..64128dfdf53 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -374,10 +374,13 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI, else if (!LangOpts.GNUMode && LangOpts.Digraphs) Builder.defineMacro("__STDC_VERSION__", "199409L"); } else { + // FIXME: Use correct value for C++20. + if (LangOpts.CPlusPlus2a) + Builder.defineMacro("__cplusplus", "201707L"); // C++17 [cpp.predefined]p1: // The name __cplusplus is defined to the value 201703L when compiling a // C++ translation unit. - if (LangOpts.CPlusPlus1z) + else if (LangOpts.CPlusPlus1z) Builder.defineMacro("__cplusplus", "201703L"); // C++1y [cpp.predefined]p1: // The name __cplusplus is defined to the value 201402L when compiling a |
