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在ubuntu 18.04上安装openCV 2.4.9面临问题

ubuntu-18.04 installation ubuntu opencv

Mahesh Chand · 技术社区 · 5 年前

我正试图在Ubuntu18.0上安装openCv 我遵循了这些步骤 blog

但当我运行这个命令时

制作

它抛出以下错误

[ 57%] Built target opencv_perf_ocl
[ 57%] Built target opencv_nonfree
[ 57%] Built target opencv_perf_nonfree
[ 58%] Built target opencv_test_nonfree
[ 58%] Building CXX object modules/contrib/CMakeFiles/opencv_contrib.dir/src/chamfermatching.cpp.o
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp: In member function âvoid cv::ChamferMatcher::Matching::computeDistanceTransform(cv::Mat&, cv::Mat&, cv::Mat&, float, float, float)â:
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp:969:30: error: the compiler can assume that the address of âannotate_imgâ will never be NULL [-Werror=address]
             if (&annotate_img!=NULL) {
                              ^
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp:1016:34: error: the compiler can assume that the address of âannotate_imgâ will never be NULL [-Werror=address]
                 if (&annotate_img!=NULL) {
                                  ^
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp: In member function âcv::ChamferMatcher::Match* cv::ChamferMatcher::Matching::localChamferDistance(cv::Point, cv::Mat&, cv::Mat&, cv::ChamferMatcher::Template*, float)â:
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp:1111:25: error: the compiler can assume that the address of âorientation_imgâ will never be NULL [-Werror=address]
     if (&orientation_img!=NULL) {
                         ^
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp:1111:5: warning: nonnull argument âorientation_imgâ compared to NULL [-Wnonnull-compare]
     if (&orientation_img!=NULL) {
     ^~
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp: In member function âvoid cv::ChamferMatcher::Matching::computeDistanceTransform(cv::Mat&, cv::Mat&, cv::Mat&, float, float, float)â:
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp:1016:17: warning: nonnull argument âannotate_imgâ compared to NULL [-Wnonnull-compare]
                 if (&annotate_img!=NULL) {
                 ^~
/home/knoldus/opencv-2.4.9/modules/contrib/src/chamfermatching.cpp:969:13: warning: nonnull argument âannotate_imgâ compared to NULL [-Wnonnull-compare]
             if (&annotate_img!=NULL) {
             ^~
cc1plus: some warnings being treated as errors
modules/contrib/CMakeFiles/opencv_contrib.dir/build.make:158: recipe for target 'modules/contrib/CMakeFiles/opencv_contrib.dir/src/chamfermatching.cpp.o' failed
make[2]: *** [modules/contrib/CMakeFiles/opencv_contrib.dir/src/chamfermatching.cpp.o] Error 1
CMakeFiles/Makefile2:2974: recipe for target 'modules/contrib/CMakeFiles/opencv_contrib.dir/all' failed
make[1]: *** [modules/contrib/CMakeFiles/opencv_contrib.dir/all] Error 2
Makefile:151: recipe for target 'all' failed
make: *** [all] Error 2

0 回复 | 直到 5 年前

Christoffer 5 年前

安装旧版本的opencv可能会导致很多问题,如本问题所述(请查看注释)。

关于CxCompiler检测的Cmake错误的解决方案可以是建立 here
解决方案 fatal error: stdlib.h: No such file or directory 可以被发现 here
最新版本的问题可以在补丁中找到 here