The following packages will be REMOVED:
build-essential debhelper dh-autoreconf dh-make dh-strip-nondeterminism
equivs g++ g++-4.9 g++-6 g++-7 geany-plugin-py geany-plugins libc6-dev
libexpat1-dev libpython-dev libpython2.7-dev libstdc++-4.9-dev
libstdc++-6-dev libstdc++-7-dev libtool python-dev python2.7-dev
The following packages have been kept back:
libc6 libc6-dbg
The following packages will be upgraded:
libc-dev-bin