qgis expects qtnetwork to provide ssl support, otherwise compilation fails due to various undefined references.
Addendum: qgis-3.0.0 should also depend on dev-python/PyQt5[network] (or it'll fail mere minutes before the build is complete).
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f02628bd399f2def9900270ea38339e1ad96ab1e commit f02628bd399f2def9900270ea38339e1ad96ab1e Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-03-13 19:42:57 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-03-13 22:36:00 +0000 sci-geosciences/qgis: DEPENDs on dev-qt/qtnetwork[ssl] Reported-by: Luis Ressel <aranea@aixah.de> Closes: https://bugs.gentoo.org/650262 Package-Manager: Portage-2.3.24, Repoman-2.3.6 sci-geosciences/qgis/qgis-3.0.0-r2.ebuild | 219 ++++++++++++++++++++++++++++++ sci-geosciences/qgis/qgis-9999.ebuild | 4 +- 2 files changed, 221 insertions(+), 2 deletions(-)