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cmake: reuse OpenCV NEON detection in carotene

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- use carotene if NEON available only
This commit is contained in:
Alexander Alekhin 2020-01-24 15:23:50 +03:00
parent 504cd8a9f5
commit ffaf15d0d9
2 changed files with 7 additions and 19 deletions
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16
3rdparty/carotene/hal/CMakeLists.txt vendored
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@ -58,22 +58,6 @@ function(compile_carotene)
endif()
add_subdirectory("${CAROTENE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/carotene")
if(ARM OR AARCH64)
if(CMAKE_BUILD_TYPE)
set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
endif()
check_cxx_compiler_flag("-mfpu=neon" CXX_HAS_MFPU_NEON)
check_c_compiler_flag("-mfpu=neon" C_HAS_MFPU_NEON)
if(${CXX_HAS_MFPU_NEON} AND ${C_HAS_MFPU_NEON} AND NOT "${CMAKE_CXX_FLAGS} " MATCHES "-mfpu=neon[^ ]*")
get_target_property(old_flags "carotene_objs" COMPILE_FLAGS)
if(old_flags)
set_target_properties("carotene_objs" PROPERTIES COMPILE_FLAGS "${old_flags} -mfpu=neon")
else()
set_target_properties("carotene_objs" PROPERTIES COMPILE_FLAGS "-mfpu=neon")
endif()
endif()
endif()
endfunction()
compile_carotene()

10
CMakeLists.txt
View File

@ -797,9 +797,13 @@ endif()
foreach(hal ${OpenCV_HAL})
if(hal STREQUAL "carotene")
add_subdirectory(3rdparty/carotene/hal)
ocv_hal_register(CAROTENE_HAL_LIBRARIES CAROTENE_HAL_HEADERS CAROTENE_HAL_INCLUDE_DIRS)
list(APPEND OpenCV_USED_HAL "carotene (ver ${CAROTENE_HAL_VERSION})")
if(";${CPU_BASELINE_FINAL};" MATCHES ";NEON;")
add_subdirectory(3rdparty/carotene/hal)
ocv_hal_register(CAROTENE_HAL_LIBRARIES CAROTENE_HAL_HEADERS CAROTENE_HAL_INCLUDE_DIRS)
list(APPEND OpenCV_USED_HAL "carotene (ver ${CAROTENE_HAL_VERSION})")
else()
message(STATUS "Carotene: NEON is not available, disabling carotene...")
endif()
elseif(hal STREQUAL "openvx")
add_subdirectory(3rdparty/openvx)
ocv_hal_register(OPENVX_HAL_LIBRARIES OPENVX_HAL_HEADERS OPENVX_HAL_INCLUDE_DIRS)