Qt4 is dead and going away. If upstream does not work towards porting to Qt5, maybe this option should be dropped.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=7bb94047731ead935688c2b85c11f77bb0b1511b commit 7bb94047731ead935688c2b85c11f77bb0b1511b Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-01-14 01:39:40 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-01-14 09:42:46 +0000 sci-mathematics/pari: Drop USE=qt4 Closes: https://bugs.gentoo.org/641942 Closes: https://bugs.gentoo.org/602788 Package-Manager: Portage-2.3.19, Repoman-2.3.6 sci-mathematics/pari/pari-2.9.4.ebuild | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
There is a typo in the commit: It should be --without-qt (not --without-qt4).
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d6b594521223c317128fe54f652461fe2e0717ba commit d6b594521223c317128fe54f652461fe2e0717ba Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-01-14 13:49:10 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-01-14 13:49:32 +0000 sci-mathematics/pari: Fix typo Thanks-to: Felix Janda <felix.janda@posteo.de> Bug: https://bugs.gentoo.org/641942 Package-Manager: Portage-2.3.19, Repoman-2.3.6 sci-mathematics/pari/pari-2.9.4.ebuild | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)}