ubuntu18.04配置opencv2.4.13 时报错

最新推荐文章于 2023-11-16 18:09:41 发布

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最新推荐文章于 2023-11-16 18:09:41 发布

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本文详细记录了解决在Ubuntu18.04上配置OpenCV2.4.13时遇到的版本不匹配警告的过程。通过分析CMake错误信息，定位到${OPENCV_VCSVERSION}

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ubuntu18.04配置opencv2.4.13 时报错，错误信息是：CMake Warning at cmake/OpenCVPackaging.cmake:23 (message): CPACK_PACKAGE_VERSION does not match version provided by version.hpp

根据报错信息“”cmake/OpenCVPackaging.cmake:23“”

错误现场信息是：

if (NOT "${OPENCV_VCSVERSION}" MATCHES "^${OPENCV_VERSION}.*")
message(WARNING "CPACK_PACKAGE_VERSION does not match version provided by version.hpp header!")
endif()

然后去找${OPENCV_VCSVERSION} ， ${OPENCV_VERSION} 这2个参数信息是从哪里来

最后在CMakeList.txt文件中找到如下信息

status("General configuration for OpenCV ${OPENCV_VERSION} =====================================")
if(OPENCV_VCSVERSION)
status(" Version control:" ${OPENCV_VCSVERSION})
endif()

正好是状态输出中有看到，如下

General configuration for OpenCV 2.4.13 =====================================

Version control: unknown

也就是对应了${OPENCV_VERSION} = 2.4.13 ， ${OPENCV_VCSVERSION}) = unknown

继续寻找${OPENCV_VCSVERSION}) 这个参数是在哪里赋值的

找找找，找到了，在这里

find_host_program(GIT_EXECUTABLE NAMES ${git_names} PATH_SUFFIXES Git/cmd Git/bin DOC "git command line client")
mark_as_advanced(GIT_EXECUTABLE)

if(GIT_EXECUTABLE)
execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --always --dirty --match "2.[0-9].[0-9]*"
    WORKING_DIRECTORY "${OpenCV_SOURCE_DIR}"
    OUTPUT_VARIABLE OPENCV_VCSVERSION
    RESULT_VARIABLE GIT_RESULT
    ERROR_QUIET
    OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT GIT_RESULT EQUAL 0)
    set(OPENCV_VCSVERSION "unknown")
endif()
else()
# We don't have git:
set(OPENCV_VCSVERSION "unknown")
endif()

找到CMakeList.txt文件中上述位置，将后面两个unknown改成2.4.13版本号，重新编译就OK了

if(NOT GIT_RESULT EQUAL 0)
set(OPENCV_VCSVERSION "2.4.13")
endif()
else()
# We don't have git:
set(OPENCV_VCSVERSION "2.4.13")

endif()