错误：
configure: error: Package requirements (libxml-2.0 >= 2.6) were not met:
No package 'libxml-2.0' found
Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.
Alternatively, you may set the environment variables LIBXML2_CFLAGS
and LIBXML2_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.
解决办法：
apt install libxml2
apt install libxml2-dev或者：
