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Turn off missing field initializer warnings for gcc

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gcc produces false positives for empty braces so turning the warning off.
Instead, turning the warning on for clang so proper warnings aren't missed.
    
Reviewers: dblaikie, chandlerc

llvm-svn: 174073
This commit is contained in:
Edwin Vane 2013-01-31 18:05:54 +00:00
parent b1cf0346bf
commit d8f4b59584
1 changed files with 13 additions and 0 deletions
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13
cmake/modules/HandleLLVMOptions.cmake
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@ -178,6 +178,19 @@ if( MSVC )
elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
if (LLVM_ENABLE_WARNINGS)
add_llvm_definitions( -Wall -W -Wno-unused-parameter -Wwrite-strings )
# Turn off missing field initializer warnings for gcc to avoid noise from
# false positives with empty {}. Turn them on otherwise (they're off by
# default for clang).
check_cxx_compiler_flag("-Wmissing-field-initializers" CXX_SUPPORTS_MISSING_FIELD_INITIALIZERS_FLAG)
if (CXX_SUPPORTS_MISSING_FIELD_INITIALIZERS_FLAG)
if (CMAKE_COMPILER_IS_GNUCXX)
add_llvm_definitions( -Wno-missing-field-initializers )
else()
add_llvm_definitions( -Wmissing-field-initializers )
endif()
endif()
if (LLVM_ENABLE_PEDANTIC)
add_llvm_definitions( -pedantic -Wno-long-long )
endif (LLVM_ENABLE_PEDANTIC)