Author: aaronballman
Date: Mon Mar 12 06:09:13 2018
New Revision: 327264
URL: http://llvm.org/viewvc/llvm-project?rev=327264&view=rev
Log:
Update the supported C language standards in the user manual.
Remove mention of -std=c94 (it is spelled iso9899:1994, not c94) and add
mention of -std=c17 and -std=gnu17.
Modified:
cfe/trunk/docs/UsersManual.rst
Modified: cfe/trunk/docs/UsersManual.rst
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/UsersManual.rst?rev=327264&r1=327263&r2=327264&view=diff
==============================================================================
--- cfe/trunk/docs/UsersManual.rst (original)
+++ cfe/trunk/docs/UsersManual.rst Mon Mar 12 06:09:13 2018
@@ -1931,8 +1931,8 @@ Differences between various standard mod
------------------------------------------
clang supports the -std option, which changes what language mode clang
-uses. The supported modes for C are c89, gnu89, c94, c99, gnu99, c11,
-gnu11, and various aliases for those modes. If no -std option is
+uses. The supported modes for C are c89, gnu89, c99, gnu99, c11, gnu11,
+c17, gnu17, and various aliases for those modes. If no -std option is
specified, clang defaults to gnu11 mode. Many C99 and C11 features are
supported in earlier modes as a conforming extension, with a warning. Use
``-pedantic-errors`` to request an error if a feature from a later standard
@@ -1979,8 +1979,9 @@ Differences between ``*99`` and ``*11``
- Warnings for use of C11 features are disabled.
- ``__STDC_VERSION__`` is defined to ``201112L`` rather than ``199901L``.
-c94 mode is identical to c89 mode except that digraphs are enabled in
-c94 mode (FIXME: And ``__STDC_VERSION__`` should be defined!).
+Differences between ``*11`` and ``*17`` modes:
+
+- ``__STDC_VERSION__`` is defined to ``201710L`` rather than ``201112L``.
GCC extensions not implemented yet
----------------------------------
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