我正在尝试构建一个ROS软件包,其中使用自定义的OpenCV 3.4安装,我可以在其中启用CUDA。OPENCV安装(在/usr/local)工作正常,我可以使用
从GPU文件夹中构建和运行样本g++ -o houghlines houghlines.cpp `pkg-config opencv --cflags --libs`
但是,我只是无法让Catkin使用我的OpenCV安装,而不是与ROS一起运送的OpenCV。这是我的cmakelists.txt:
cmake_minimum_required(VERSION 2.8.3)
project(motion_segmentation_cuda)
set(CMAKE_CUDA_COMPILER /usr/local/cuda-9.1/bin/nvcc)
find_package(catkin_simple REQUIRED)
set(OpenCV_INCLUDE_DIRS
/usr/local/include
/usr/local/include/opencv2
)
set(OpenCV_LIB_DIR
/usr/local/lib
)
set(OpenCV_LIBS
opencv_core
opencv_highgui
opencv_imgcodecs
)
include_directories(${OpenCV_INCLUDE_DIRS})
find_package(CUDA REQUIRED)
catkin_simple()
#Here you can set any gcc/cmake compiler flags, if you so wish
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O3")
link_directories(${OpenCV_LIB_DIR})
#Add all of your sources here
cuda_add_executable(
cuda_test_cu
src/main.cpp
src/motion_segmenter.cpp
src/kernel.cu
src/segmenter.cpp
)
#Link the executable to the necessary libs
target_link_libraries(
cuda_test_cu
${catkin_LIBRARIES}
${OpenCV_LIBS}
${CUDA_LIBRARIES}
)
# CMake Indexing
FILE(GLOB_RECURSE LibFiles "include/*")
add_custom_target(headers SOURCES ${LibFiles})
cs_install()
在各种论坛的建议下,我也试图
export CMAKE_PREFIX_PATH="/usr/lib/:$CMAKE_PREFIX_PATH"
export LD_LIBRARY_PATH="/usr/lib/:$LD_LIBRARY_PATH"
和在Cmakelists中进行了无数的调整。而且我的包装很好!但是最后,我不可避免地得到:
OpenCV Error: No CUDA support (The library is compiled without CUDA support) in throw_no_cuda, file /tmp/binarydeb/ros-kinetic-opencv3-3.3.1/modules/core/include/opencv2/core/private.cuda.hpp, line 107
我尝试实际使用启用的任何GPU openCV类。
非常感谢!
要回答您的问题,经过我,此cmakelists.txt工作(出于某种原因):
cmake_minimum_required(VERSION 2.8.3)
project(motion_segmentation_cuda)
find_package(OpenCV 3.4 REQUIRED
COMPONENTS
opencv_core
opencv_highgui
opencv_imgproc
opencv_imgcodecs
PATHS /usr/local
NO_DEFAULT_PATH
CONFIG
)
set(CMAKE_CUDA_COMPILER /usr/local/cuda-9.1/bin/nvcc)
find_package(catkin_simple REQUIRED)
find_package(CUDA REQUIRED)
catkin_simple()
#Here you can set any gcc/cmake compiler flags, if you so wish
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O3")
include_directories(include ${OpenCV_INCLUDE_DIRS} ${catkin_INCLUDE_DIRS})
#Add all of your sources here
cuda_add_executable(
cuda_test_cu
src/main.cpp
src/motion_segmenter.cpp
src/kernel.cu
src/segmenter.cpp
)
#Link the executable to the necessary libs
target_link_libraries(
cuda_test_cu
${catkin_LIBRARIES}
${OpenCV_LIBS}
${CUDA_LIBRARIES}
)
# CMake Indexing
FILE(GLOB_RECURSE LibFiles "include/*")
add_custom_target(headers SOURCES ${LibFiles})
cs_install()
最终无需更改.bashrc
...