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50 lines
1.7 KiB
Diff
50 lines
1.7 KiB
Diff
diff --git a/cmake/OpenCVUtils.cmake b/cmake/OpenCVUtils.cmake
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index 72df4d4..7d45974 100644
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--- a/cmake/OpenCVUtils.cmake
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+++ b/cmake/OpenCVUtils.cmake
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@@ -82,12 +82,42 @@ macro(ocv_check_environment_variables)
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endforeach()
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endmacro()
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+# check if "sub" (file or dir) is below "dir"
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+function(is_subdir res dir sub )
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+ get_filename_component(dir "${dir}" ABSOLUTE)
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+ get_filename_component(sub "${sub}" ABSOLUTE)
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+ file(TO_CMAKE_PATH "${dir}" dir)
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+ file(TO_CMAKE_PATH "${sub}" sub)
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+ set(dir "${dir}/")
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+ string(LENGTH "${dir}" len)
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+ string(LENGTH "${sub}" len_sub)
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+ if(NOT len GREATER len_sub)
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+ string(SUBSTRING "${sub}" 0 ${len} prefix)
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+ endif()
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+ if(prefix AND prefix STREQUAL dir)
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+ set(${res} TRUE PARENT_SCOPE)
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+ else()
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+ set(${res} FALSE PARENT_SCOPE)
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+ endif()
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+endfunction()
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+
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+function(ocv_is_opencv_directory result_var dir)
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+ set(result FALSE)
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+ foreach(parent ${OpenCV_SOURCE_DIR} ${OpenCV_BINARY_DIR} ${OPENCV_EXTRA_MODULES_PATH})
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+ is_subdir(result "${parent}" "${dir}")
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+ if(result)
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+ break()
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+ endif()
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+ endforeach()
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+ set(${result_var} ${result} PARENT_SCOPE)
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+endfunction()
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+
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# adds include directories in such a way that directories from the OpenCV source tree go first
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function(ocv_include_directories)
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set(__add_before "")
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foreach(dir ${ARGN})
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- get_filename_component(__abs_dir "${dir}" ABSOLUTE)
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- if("${__abs_dir}" MATCHES "^${OpenCV_SOURCE_DIR}" OR "${__abs_dir}" MATCHES "^${OpenCV_BINARY_DIR}")
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+ ocv_is_opencv_directory(__is_opencv_dir "${dir}")
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+ if(__is_opencv_dir)
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list(APPEND __add_before "${dir}")
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elseif(CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
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dir MATCHES "/usr/include$")
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