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Disable override and final C++ keyword in gcc 4.6.

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According to http://gcc.gnu.org/projects/cxx0x.html,
override and final keyword was added in gcc 4.7.  Thus,
we should not use these keywords in gcc 4.6 even when
__GXX_EXPERIMENTAL_CXX0X__ is available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201679 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Logan Chien 2014-02-19 15:04:29 +00:00
parent 9a92586114
commit 6e2c745e99
1 changed files with 4 additions and 2 deletions
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6
include/llvm/Support/Compiler.h
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@ -152,7 +152,8 @@
/// LLVM_FINAL - Expands to 'final' if the compiler supports it.
/// Use to mark classes or virtual methods as final.
#if __has_feature(cxx_override_control) || \
defined(__GXX_EXPERIMENTAL_CXX0X__) || LLVM_MSC_PREREQ(1700)
(defined(__GXX_EXPERIMENTAL_CXX0X__) && __GNUC_PREREQ(4, 7)) || \
LLVM_MSC_PREREQ(1700)
#define LLVM_FINAL final
#else
#define LLVM_FINAL
@ -161,7 +162,8 @@
/// LLVM_OVERRIDE - Expands to 'override' if the compiler supports it.
/// Use to mark virtual methods as overriding a base class method.
#if __has_feature(cxx_override_control) || \
defined(__GXX_EXPERIMENTAL_CXX0X__) || LLVM_MSC_PREREQ(1700)
(defined(__GXX_EXPERIMENTAL_CXX0X__) && __GNUC_PREREQ(4, 7)) || \
LLVM_MSC_PREREQ(1700)
#define LLVM_OVERRIDE override
#else
#define LLVM_OVERRIDE