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.
Created attachment 604386 [details]
Created attachment 604388 [details]
output of emerge --info
Created attachment 604406 [details, diff]
Looking at upstream history it removed relevant files:
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):
Author: Göktürk Yüksek <firstname.lastname@example.org>
AuthorDate: 2020-01-27 23:44:56 +0000
Commit: Göktürk Yüksek <email@example.com>
CommitDate: 2020-01-28 02:31:16 +0000
net-fs/davfs2: fix building with gcc 10 #706356
Package-Manager: Portage-2.3.84, Repoman-2.3.20
Signed-off-by: Göktürk Yüksek <firstname.lastname@example.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(-)