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cmake_minimum_required(VERSION 3.1)
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if(" ${HALIDE_ROOT_DIR}" STREQUAL " ")
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unset(HALIDE_ROOT_DIR CACHE)
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endif()
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ocv_check_environment_variables(HALIDE_ROOT_DIR)
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set(HALIDE_ROOT_DIR "${HALIDE_ROOT_DIR}" CACHE PATH "Halide root directory")
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if(NOT HAVE_HALIDE)
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find_package(Halide QUIET) # Try CMake-based config files
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if(Halide_FOUND)
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if(TARGET Halide::Halide) # modern Halide scripts defines imported target
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set(HALIDE_INCLUDE_DIRS "")
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set(HALIDE_LIBRARIES "Halide::Halide")
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set(HAVE_HALIDE TRUE)
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else()
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# using HALIDE_INCLUDE_DIRS / Halide_LIBRARIES
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set(HAVE_HALIDE TRUE)
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endif()
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endif()
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endif()
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if(NOT HAVE_HALIDE AND HALIDE_ROOT_DIR)
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# Try manual search
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find_library(HALIDE_LIBRARY
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NAMES Halide
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HINTS ${HALIDE_ROOT_DIR}/lib # Unix
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HINTS ${HALIDE_ROOT_DIR}/lib/Release # Win32
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)
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find_path(HALIDE_INCLUDE_DIR
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NAMES Halide.h HalideRuntime.h
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HINTS ${HALIDE_ROOT_DIR}/include
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)
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if(HALIDE_LIBRARY AND HALIDE_INCLUDE_DIR)
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# TODO try_compile
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set(HALIDE_INCLUDE_DIRS "${HALIDE_INCLUDE_DIR}")
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set(HALIDE_LIBRARIES "${HALIDE_LIBRARY}")
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set(HAVE_HALIDE TRUE)
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endif()
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endif()
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if(HAVE_HALIDE)
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if(HALIDE_INCLUDE_DIRS)
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include_directories(${HALIDE_INCLUDE_DIRS})
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endif()
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list(APPEND OPENCV_LINKER_LIBS ${HALIDE_LIBRARIES})
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endif()
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