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Merge pull request #23991 from buyuer:4.x

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Eliminating compilation warnings when using lto in gcc12 and later versions
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Alexander Smorkalov 2023-07-18 16:26:09 +03:00 committed by GitHub
commit 0519e05432
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1 changed files with 5 additions and 1 deletions
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4
cmake/OpenCVCompilerOptions.cmake
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@ -261,8 +261,12 @@ if(CV_GCC OR CV_CLANG)
endif()
if(ENABLE_LTO)
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 12)
add_extra_compiler_option(-flto=auto)
else()
add_extra_compiler_option(-flto)
endif()
endif()
if(ENABLE_THIN_LTO)
add_extra_compiler_option(-flto=thin)
endif()