/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/9/../../../libGL.so when searching for -lGL
/usr/bin/ld: skipping incompatible /lib/libGL.so when searching for -lGL
/usr/bin/ld: skipping incompatible /usr/lib/libGL.so when searching for -lGL
/usr/bin/ld: cannot find -lGL
collect2: error: ld returned 1 exit status
解决
sudo dnf install mesa-libGLw
cd /usr/lib64
sudo ln -s -f libGL.so.1 libGL.so