花了50大洋买回来的教训
作者:互联网
首先这是在用pangolin时碰到的错误,大概就是这样色的:
In file included from /usr/local/include/pangolin/utils/signal_slot.h:3,
from /usr/local/include/pangolin/windowing/window.h:35,
from /usr/local/include/pangolin/display/display.h:34,
from /usr/local/include/pangolin/pangolin.h:38,
from /home/a616708946/slambook/ch5/code/disparity.cpp:8:
/usr/local/include/sigslot/signal.hpp:109:79: error: ‘decay_t’ is not a member of ‘std’; did you mean ‘decay’?
109 | constexpr bool is_weak_ptr_compatible_v = detail::is_weak_ptr_compatible<std::decay_t<P>>::value;
| ^~~~~~~
| decay
/usr/local/include/sigslot/signal.hpp:109:79: error: ‘decay_t’ is not a member of ‘std’; did you mean ‘decay’?
109 | constexpr bool is_weak_ptr_compatible_v = detail::is_weak_ptr_compatible<std::decay_t<P>>::value;
| ^~~~~~~
| decay
/usr/local/include/sigslot/signal.hpp:109:87: error: template argument 1 is invalid
109 | constexpr bool is_weak_ptr_compatible_v = detail::is_weak_ptr_compatible<std::decay_t<P>>::value;
直接看得我懵逼了。
然后淘宝花钱找人来调试,人家一看就改了cmakelist里的一样代码:
# 添加c++ 11标准支持
set( CMAKE_CXX_FLAGS "-std=c++14" )
把之前之前的-std=c++11改成了14就完成编译了。
但是运行./test文件的时候又碰到了第二个问题:
然后他做了如下的操作:
1.首先是:
sudo find / -name libpango-windowing.so
这句话用来找到那个库的位置
是在:
/usr/local/lib/libpango_windowing.so
这个位置。
接下来他把cmakelist文件添加了两行:
cmake_minimum_required( VERSION 2.8 )
project( imageBasics )
# 添加c++ 11标准支持
set( CMAKE_CXX_FLAGS "-std=c++14" )
set(OpenCV_DIR "usr/local/opencv3/share/OpenCV")
# 寻找OpenCV库
find_package( OpenCV 3 REQUIRED )
find_package(Pangolin REQUIRED)
# 添加头文件
include_directories( ${OpenCV_INCLUDE_DIRS} )
include_directories(${Pangolin_INCLUDE_DIRS})
LINK_directories("/usr/local/lib")
add_executable( test disparity.cpp )
# 链接OpenCV库
target_link_libraries( test ${OpenCV_LIBS} )
target_link_libraries(test ${Pangolin_LIBRARIES})
target_link_libraries(test libpango_windowing.so)
其一是添加了
LINK_directories("/usr/local/lib")
这一行,其二是添加了:
target_link_libraries(test libpango_windowing.so)
这一行,即把libpango_windowing.so这个库连接到test,
最后他还
sudo vim /etc/ld.so.conf
然后在里面加上了:
这句话。
就通过编译了。
标签:local,买回来,50,OpenCV,usr,test,include,大洋,ptr 来源: https://blog.csdn.net/a616708946/article/details/120237016