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