[LLVMbugs] [Bug 19444] Set a define when using -fms-extensions
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Wed Apr 16 09:59:48 PDT 2014
http://llvm.org/bugs/show_bug.cgi?id=19444
Reid Kleckner <rnk at google.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |rnk at google.com
Resolution|--- |WORKSFORME
--- Comment #2 from Reid Kleckner <rnk at google.com> ---
Look for _MSC_EXTENSIONS:
$ clang++ -fno-ms-extensions -dM -E -x c - < /dev/null | grep MSC_EXT
$ clang++ -fms-extensions -dM -E -x c - < /dev/null | grep MSC_EXT
#define _MSC_EXTENSIONS 1
Clang will turn on -fms-extensions by default when targeting Windows, so that
may have fooled your test.
Also, you can use the C++11 standard keyword 'final' instead of 'sealed', which
is what MSDN recommends:
http://msdn.microsoft.com/en-us/library/0w2w91tf.aspx
clang-cl defaults to C++11, since MSVC's C++11 support is enabled by default.
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