slambook2-learning

3rdparty

fetch submodules of 3rdparty

git submodule update --init --recursive

Pangolin

build Pangolin

cd Pangolin
mkdir build
cd build
cmake ..

# may have errors
cmake --build .

ref:

• stevenlovegrove/Pangolin at 1ec721d59ff6b799b9c24b8817f3b7ad2c929b83

fixed: fatal error: Python.h: No such file or directory

# on Ubuntu 20.04, this helped:
sudo apt install python2.7-dev

# if conflict, purge first:
sudo apt purge "libpython2*"

ref:

• fatal error: Python.h: No such file or directory · Issue #494 · stevenlovegrove/Pangolin

• apt - Ubuntu 18.04.2 install python2.7, unmet dependency - Ask Ubuntu

Sopus

build Sopus

fixed: compile error

opencv

fixed: make: stdlib.h: No such file or directory

• gcc - Error compiling OpenCV, fatal error: stdlib.h: No such file or directory - Stack Overflow

!!! fixed: unmet

核心是用apititude去自动处理升降级的问题！

ref:

• (5 条消息) 解决 Unable to Correct Problems ‘You have Held Broken Packages’_pyxiea 的博客-CSDN 博客

pre-install

sudo apt-get install qt5-qmake qt5-default libqglviewer-dev-qt5 libsuitesparse-dev libcxsparse3 libcholmod3

business problems

review