[llvm] r235450 - Silence MSVC build alignment warnings
andrew.kaylor at intel.com
Tue Apr 21 15:29:38 PDT 2015
Date: Tue Apr 21 17:29:38 2015
New Revision: 235450
Silence MSVC build alignment warnings
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (original)
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake Tue Apr 21 17:29:38 2015
@@ -304,7 +304,15 @@ if( MSVC )
-wd4611 # Suppress 'interaction between '_setjmp' and C++ object destruction is non-portable'
-wd4805 # Suppress 'unsafe mix of type <type> and type <type> in operation'
-wd4204 # Suppress 'nonstandard extension used : non-constant aggregate initializer'
+ # Idelly, we'd like this warning to be enabled, but MSVC 2013 doesn't
+ # support the 'aligned' attribute in the way that clang sources requires (for
+ # any code that uses the LLVM_ALIGNAS marco), so this is must be disabled to
+ # avoid unwanted alignment warnings.
+ # When we switch to requiring a version of MSVC that supports the 'alignas'
+ # specifier (MSVC 2015?) this warning can be re-enabled.
+ -wd4324 # Suppress 'structure was padded due to __declspec(align())'
# Promoted warnings.
-w14062 # Promote 'enumerator in switch of enum is not handled' to level 1 warning.
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