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cmake: eliminate GCC4.x warnings

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This commit is contained in:
Alexander Alekhin 2018-10-31 16:04:55 +03:00
parent b669e9f648
commit 98a73de526
1 changed files with 3 additions and 0 deletions
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3
cmake/OpenCVCompilerOptions.cmake
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@ -132,6 +132,9 @@ if(CV_GCC OR CV_CLANG)
if(CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)
add_extra_compiler_option(-Wno-strict-overflow) # Issue appears when compiling surf.cpp from opencv_contrib/modules/xfeatures2d
endif()
if(CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
add_extra_compiler_option(-Wno-missing-field-initializers) # GCC 4.x emits warnings about {}, fixed in GCC 5+
endif()
endif()
add_extra_compiler_option(-fdiagnostics-show-option)