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Enable -Wdeprecated in the cmake build now that LLVM (& Clang, Polly, and LLD) are -Wdeprecated clean 

This particularly helps enforce the C++ Rule of 5 (for new move ops this
is already an error, but for a type only using C++98 features (copy
ctor/assign, dtor) it is only deprecated, not invalid)

Applying the flag for any GCC compatible compiler - GCC doesn't warn on
the Rule of 5 cases that C++11 deprecates, but it doesn't have other
false positives so far as I could see (compiling with GCC 4.8 didn't
produce any -Wdeprecated warnings I could spot).

Reviewers: aaron.ballman

Differential Revision: http://reviews.llvm.org/D13314

llvm-svn: 248963
This commit is contained in:
David Blaikie 2015-09-30 23:36:12 +00:00
parent 25c58d124b
commit 3830d68bc1
1 changed files with 1 additions and 1 deletions
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2
llvm/cmake/modules/HandleLLVMOptions.cmake
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@ -364,7 +364,7 @@ if( MSVC )
elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
if (LLVM_ENABLE_WARNINGS)
append("-Wall -W -Wno-unused-parameter -Wwrite-strings" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append("-Wall -W -Wno-unused-parameter -Wwrite-strings -Wdeprecated" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append("-Wcast-qual" CMAKE_CXX_FLAGS)
# Turn off missing field initializer warnings for gcc to avoid noise from