r231789 - Document __has_feature(modules) in LanguageExtensions

Ben Langmuir blangmuir at apple.com
Tue Mar 10 07:39:27 PDT 2015


Author: benlangmuir
Date: Tue Mar 10 09:39:26 2015
New Revision: 231789

URL: http://llvm.org/viewvc/llvm-project?rev=231789&view=rev
Log:
Document __has_feature(modules) in LanguageExtensions

Fixes PR18985

Patch by Vassil Vassilev!

Modified:
    cfe/trunk/docs/LanguageExtensions.rst

Modified: cfe/trunk/docs/LanguageExtensions.rst
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LanguageExtensions.rst?rev=231789&r1=231788&r2=231789&view=diff
==============================================================================
--- cfe/trunk/docs/LanguageExtensions.rst (original)
+++ cfe/trunk/docs/LanguageExtensions.rst Tue Mar 10 09:39:26 2015
@@ -935,6 +935,14 @@ C11 ``_Thread_local``
 Use ``__has_feature(c_thread_local)`` or ``__has_extension(c_thread_local)``
 to determine if support for ``_Thread_local`` variables is enabled.
 
+Modules
+-------
+
+Use ``__has_feature(modules)`` to determine if Modules have been enabled.
+For example, compiling code with ``-fmodules`` enables the use of Modules.
+
+More information could be found `here <http://clang.llvm.org/docs/Modules.html>`_.
+
 Checks for Type Trait Primitives
 ================================
 





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