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| author | Aaron Ballman <aaron@aaronballman.com> | 2017-12-07 21:46:26 +0000 |
|---|---|---|
| committer | Aaron Ballman <aaron@aaronballman.com> | 2017-12-07 21:46:26 +0000 |
| commit | aca1787e1a0439a2b3512befd6c95fd11cd01f03 (patch) | |
| tree | 8c74b6a6a2d53f9e3aad0d98a4d7d5e30c5d0767 /docs | |
| parent | 950a2da1586c9cc467a47db9bfe6e7d7dbe8bc1c (diff) | |
Add new language mode flags for C17.
This adds -std=c17, -std=gnu17, and -std=iso9899:2017 as language mode flags for C17 and updates the value of __STDC_VERSION__ to the value based on the C17 FDIS. Given that this ballot cannot succeed until 2018, it is expected that we (and GCC) will add c18 flags as aliases once the ballot passes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320089 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ReleaseNotes.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst index f9d4a0105f..10b1cc6cf4 100644 --- a/docs/ReleaseNotes.rst +++ b/docs/ReleaseNotes.rst @@ -121,6 +121,12 @@ New Compiler Flags number of attributes are supported outside of C++ mode. See the Clang attribute documentation for more information about which attributes are supported for each syntax. + +- Added the ``-std=c17``, ``-std=gnu17``, and ``-std=iso9899:2017`` language + mode flags for compatibility with GCC. This enables support for the next + version of the C standard, expected to be published by ISO in 2018. The only + difference between the ``-std=c17`` and ``-std=c11`` language modes is the + value of the ``__STDC_VERSION__`` macro, as C17 is a bug fix release. Deprecated Compiler Flags ------------------------- |