./mscore/mscore/CMakeLists.txt: target_link_libraries(mscore portmidi) ./mscore/CMakeLists.txt: singleapp fluid) ./mscore/CMakeLists.txt: subdirs (portmidi) ./mscore/singleapp/src/CMakeLists.txt: qtsingleapplication.h ./mscore/singleapp/src/CMakeLists.txt: qtsingleapp STATIC ./mscore/singleapp/src/CMakeLists.txt: qtsingleapplication.cpp ./mscore/singleapp/src/CMakeLists.txt:set_target_properties( qtsingleapp ./mscore/singleapp/src/CMakeLists.txt:ADD_DEPENDENCIES(qtsingleapp mops1) ./mscore/singleapp/src/CMakeLists.txt:ADD_DEPENDENCIES(qtsingleapp mops2) ./mscore/portmidi/CMakeLists.txt: portmidi STATIC ./mscore/portmidi/CMakeLists.txt: pm_common/portmidi.c ./mscore/portmidi/CMakeLists.txt: portmidi STATIC Seems build system needs patching for using system copies.
bundled portmidi is only used if building on other than UNIX.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=425bf47e3a1a50bca7ddda6f95b77d68cf2fb4d1 commit 425bf47e3a1a50bca7ddda6f95b77d68cf2fb4d1 Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-08-21 20:09:18 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-08-21 21:23:02 +0000 media-sound/musescore: Set USE_SYSTEM_QTSINGLEAPPLICATION=ON Bug: https://bugs.gentoo.org/489144 Package-Manager: Portage-2.3.48, Repoman-2.3.10 .../musescore-2.1.0-qtsingleapplication.patch | 28 +++++++++ media-sound/musescore/musescore-2.1.0-r1.ebuild | 72 ++++++++++++++++++++++ media-sound/musescore/musescore-9999.ebuild | 12 ++-- 3 files changed, 108 insertions(+), 4 deletions(-)