GCC 6.4.0 was released on 2017-07-04. There are plans to reorganize hardening (including enabling some features by default) and making such changes in a new version (such as 6.4.0) is optimal due to toolchain.eclass, so users seeing this bug should wait patiently.
Attention: weird upstream link Today I wanted to try gcc-6.4.0 but it misses the command ebuild gcc-6.4.0.ebuild manifest because there is no upstream: >>> Downloading 'http://ftpmirror.gnu.org/gcc/gcc-6.4.0/gcc-6.4.0.tar.bz2' ... 2017-07-11 00:43:24 ERROR 404: Not Found. --- I looked into upstream ftp directory at http://ftpmirror.gnu.org/gcc/gcc-6.4.0 gcc-6.4.0.tar.gz 04-Jul-2017 10:12 127M gcc-6.4.0.tar.gz.sig 04-Jul-2017 10:14 280 gcc-6.4.0.tar.xz 04-Jul-2017 10:14 73M gcc-6.4.0.tar.xz.sig 04-Jul-2017 10:14 280 All other upstream release - including http://ftpmirror.gnu.org/gcc/gcc-7.1.0/ do have a release packed using bzip2 only this 6.4.0 does have tar.xz --- There was no chance for me as a Gentoo user to edit and try a gcc-6.4.0 ebuild: There is no source link there to edit - maybe in an eclass :(
In case it helps: I tested 6.4.0 by re-compressing the official xz to a bz2, using the same patches as for 6.3.0 (just copied the gcc-6.3.0-patches-1.0.tar.bz2). All patches apply cleanly, it compiles and installs without any other changes.
(In reply to Ulenrich from comment #1) > Attention: weird upstream link > > Today I wanted to try gcc-6.4.0 but it misses the command > ebuild gcc-6.4.0.ebuild manifest > because there is no upstream: > >>> Downloading 'http://ftpmirror.gnu.org/gcc/gcc-6.4.0/gcc-6.4.0.tar.bz2' > ... > 2017-07-11 00:43:24 ERROR 404: Not Found. > --- > I looked into upstream ftp directory at > http://ftpmirror.gnu.org/gcc/gcc-6.4.0 > gcc-6.4.0.tar.gz 04-Jul-2017 10:12 127M > gcc-6.4.0.tar.gz.sig 04-Jul-2017 10:14 280 > gcc-6.4.0.tar.xz 04-Jul-2017 10:14 73M > gcc-6.4.0.tar.xz.sig 04-Jul-2017 10:14 280 > > All other upstream release - including > http://ftpmirror.gnu.org/gcc/gcc-7.1.0/ > do have a release packed using bzip2 > only this 6.4.0 does have tar.xz > > --- > There was no chance for me as a Gentoo user to edit and try a gcc-6.4.0 > ebuild: > There is no source link there to edit - maybe in an eclass :( This is not weird LOL. Weekly snapshots now use xz compression [2017-05-24] ...instead of bzip2. per upstream homepage.
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=aa670f9ddc1532911427b4a4d2faeff4df8e1b36