Qt4 is dead and going away. According to upstream, this package can be built with Qt5 any time already.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=870692e188b7464783f03d4ec147b5f452d0762f commit 870692e188b7464783f03d4ec147b5f452d0762f Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-03-04 21:17:38 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-03-04 21:18:10 +0000 dev-util/sasm: Drop old Qt4-based Closes: https://bugs.gentoo.org/644384 Package-Manager: Portage-2.3.24, Repoman-2.3.6 dev-util/sasm/sasm-2.2.ebuild | 33 --------------------------------- 1 file changed, 33 deletions(-) Additionally, it has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=015cf4a48b24cc23ce0d902931aceb4f77d584af commit 015cf4a48b24cc23ce0d902931aceb4f77d584af Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-03-04 21:17:05 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-03-04 21:18:10 +0000 dev-util/sasm: Switch to Qt5 Bug: https://bugs.gentoo.org/644384 Package-Manager: Portage-2.3.24, Repoman-2.3.6 dev-util/sasm/sasm-2.2-r1.ebuild | 42 ++++++++++++++++++++++++++++++++++++++++ dev-util/sasm/sasm-9999.ebuild | 22 +++++++++++++++------ 2 files changed, 58 insertions(+), 6 deletions(-)}