Qt4 is dead and going away, please check if the code can build with Qt5 instead or if a newer upstream version ported to Qt5 is available.
Apparently there's a porting branch that does not work yet: http://git.osmocom.org/gr-fosphor/log/?h=gr38-qt5
ping
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a9544171706ff5b01b3502b7df8c92c09c014f8b commit a9544171706ff5b01b3502b7df8c92c09c014f8b Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-04-03 16:25:55 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-04-03 16:25:55 +0000 net-analyzer/gr-fosphor: Drop USE=qt4 Closes: https://bugs.gentoo.org/641940 Package-Manager: Portage-2.3.28, Repoman-2.3.9 net-analyzer/gr-fosphor/gr-fosphor-9999.ebuild | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-)