obsoletegccversions

There are many versions of gcc in the ports tree.

It is painful for builders (especially the ones using qemu) to have so many versions.
Some only exist to satisfy dependencies.

This page discusses the list of ports that we should try to update to reduce the dependencies.

The usage column does not include ports that hardwire the version. See HardcodedGCCVersions for that list.

port	usage	status	comments
gcc4.8		unsupported
gcc6-aux	Ada-language ports	supported	defined in Mk/Uses/ada.mk
gcc7		unsupported
gcc8	tree-wide default (powerpcspe)	supported	defined in Mk/bsd.default-versions.mk
gcc9		supported
gcc10	tree-wide default (all but powerpcspe)	supported	defined in Mk/bsd.default-versions.mk; new default as of see PR 246700
gcc11-devel	testing	testing

Processing INDEX-13 on amd64 20210115 (and deleting self-references) produces:

   3  gcc4
   0  gcc5
  49  gcc6
   0  gcc7
   9  gcc8
  14  gcc9
1806  gcc10
   0  gcc11