dev-libs/pugixml-1.9 should install a .pc pkgconf file but does not. See https://github.com/zeux/pugixml/issues/128
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a8750e4306082f537d9b44d1b9b6b2c9aad503bc commit a8750e4306082f537d9b44d1b9b6b2c9aad503bc Author: Craig Andrews <candrews@gentoo.org> AuthorDate: 2019-01-08 21:32:02 +0000 Commit: Craig Andrews <candrews@gentoo.org> CommitDate: 2019-01-09 00:17:13 +0000 dev-libs/pugixml: Install pkg-config, EAPI=7 Closes: https://bugs.gentoo.org/674910 Package-Manager: Portage-2.3.54, Repoman-2.3.12 Signed-off-by: Craig Andrews <candrews@gentoo.org> ...9-Use-CMAKE_INSTALL_LIBDIR-for-pugixml.pc.patch | 39 ++++++++++++ ...ml-1.9-always-install-the-pkg-config-file.patch | 71 ++++++++++++++++++++++ ...config-Use-CMake-GnuInstallDirs-FULL-vars.patch | 39 ++++++++++++ dev-libs/pugixml/pugixml-1.9-r1.ebuild | 33 ++++++++++ 4 files changed, 182 insertions(+)