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Merge pull request #12727 from rnk:fix-clang-cl-cmake

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This commit is contained in:
Alexander Alekhin 2018-10-03 07:21:06 +00:00
commit 50beef605b
1 changed files with 7 additions and 2 deletions
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9
cmake/OpenCVCompilerOptions.cmake
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@ -86,7 +86,11 @@ endif()
if(CV_GCC OR CV_CLANG)
# High level of warnings.
add_extra_compiler_option(-W)
add_extra_compiler_option(-Wall)
if (NOT MSVC)
# clang-cl interprets -Wall as MSVC would: -Weverything, which is more than
# we want.
add_extra_compiler_option(-Wall)
endif()
add_extra_compiler_option(-Werror=return-type)
add_extra_compiler_option(-Werror=non-virtual-dtor)
add_extra_compiler_option(-Werror=address)
@ -173,7 +177,7 @@ if(CV_GCC OR CV_CLANG)
string(REPLACE "-ffunction-sections" "" ${flags} "${${flags}}")
string(REPLACE "-fdata-sections" "" ${flags} "${${flags}}")
endforeach()
elseif(NOT ((IOS OR ANDROID) AND NOT BUILD_SHARED_LIBS))
elseif(NOT ((IOS OR ANDROID) AND NOT BUILD_SHARED_LIBS) AND NOT MSVC)
# Remove unreferenced functions: function level linking
add_extra_compiler_option(-ffunction-sections)
add_extra_compiler_option(-fdata-sections)
@ -266,6 +270,7 @@ endif()
# set default visibility to hidden
if((CV_GCC OR CV_CLANG)
AND NOT MSVC
AND NOT OPENCV_SKIP_VISIBILITY_HIDDEN
AND NOT " ${CMAKE_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_CXX_FLAGS}" MATCHES " -fvisibility")
add_extra_compiler_option(-fvisibility=hidden)