This seems to be true even for latest 4.2.2 that is not packaged in Gentoo ofc. Supposedly there exists a fork that has ported to GTK3, see bug 665652.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=79502186a9cd671ceec44878a59f2a05fc81031b commit 79502186a9cd671ceec44878a59f2a05fc81031b Author: David Seifert <soap@gentoo.org> AuthorDate: 2020-01-26 18:52:22 +0000 Commit: David Seifert <soap@gentoo.org> CommitDate: 2020-01-26 18:52:22 +0000 sci-electronics/pcb: Bump to version 4.2.2 * EAPI 7 * Disable opengl unconditionally (due to EOL x11-libs/gtkglext) * Remove USE="static-libs" * Remove USE="motif" * Remove USE="xrender" Bug: https://bugs.gentoo.org/706526 Package-Manager: Portage-2.3.85, Repoman-2.3.20 Signed-off-by: David Seifert <soap@gentoo.org> sci-electronics/pcb/Manifest | 1 + .../pcb/files/pcb-4.2.2-fix-autotools.patch | 36 +++++++ sci-electronics/pcb/metadata.xml | 1 + sci-electronics/pcb/pcb-4.2.2.ebuild | 109 +++++++++++++++++++++ 4 files changed, 147 insertions(+)
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=67719bfa8849a95bbae9cc66736a5216c5439fbd commit 67719bfa8849a95bbae9cc66736a5216c5439fbd Author: David Seifert <soap@gentoo.org> AuthorDate: 2020-02-10 10:00:13 +0000 Commit: David Seifert <soap@gentoo.org> CommitDate: 2020-02-10 10:00:13 +0000 sci-electronics/pcb: Remove old Closes: https://bugs.gentoo.org/609664 Closes: https://bugs.gentoo.org/706526 Package-Manager: Portage-2.3.88, Repoman-2.3.20 Signed-off-by: David Seifert <soap@gentoo.org> sci-electronics/pcb/Manifest | 2 - .../pcb/files/pcb-20110918-fix-config.diff | 14 -- sci-electronics/pcb/files/pcb-4.0.2-doc.diff | 12 -- sci-electronics/pcb/files/pcb-4.0.2-tests.diff | 14 -- sci-electronics/pcb/metadata.xml | 1 - sci-electronics/pcb/pcb-0_p20140316.ebuild | 151 --------------------- sci-electronics/pcb/pcb-4.0.2.ebuild | 150 -------------------- 7 files changed, 344 deletions(-)