davfs2 does not build with -fno-common enabled, which needs to be addressed before the gcc-10 release. Details can be found in bug 705764 (see blockers). I’ll attach the build.log and emerge --info in a moment. Reproducible: Always
Created attachment 604386 [details] build.log
Created attachment 604388 [details] output of emerge --info
Created attachment 604406 [details, diff] davfs2-1.5.5-gcc-10.patch
Looking at upstream history it removed relevant files: revision 1.12 date: 2013-08-09 17:16:35 +0100; author: wbaumann; state: dead; lines: +0-0; commitid: Y5i4bPqOxb3PtN0x; Remove support for Coda
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=c9a5da79c40937e2cf8d91e9a8ea0e4d4c4d5329 commit c9a5da79c40937e2cf8d91e9a8ea0e4d4c4d5329 Author: Göktürk Yüksek <gokturk@gentoo.org> AuthorDate: 2020-01-27 23:44:56 +0000 Commit: Göktürk Yüksek <gokturk@gentoo.org> CommitDate: 2020-01-28 02:31:16 +0000 net-fs/davfs2: fix building with gcc 10 #706356 Closes: https://bugs.gentoo.org/706356 Bug: http://savannah.nongnu.org/support/index.php?110186 Package-Manager: Portage-2.3.84, Repoman-2.3.20 Signed-off-by: Göktürk Yüksek <gokturk@gentoo.org> net-fs/davfs2/davfs2-1.5.5.ebuild | 5 ++++- net-fs/davfs2/files/davfs2-1.5.5-gcc-10.patch | 18 ++++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-)