Created attachment 538498 [details] required files for bug submission In file included from /usr/include/qt5/QtGui/qtguiglobal.h:43:0, from /usr/include/qt5/QtGui/5.11.1/QtGui/qpa/qplatformfontdatabase.h:52, from /var/tmp/portage/app-text/calibre-3.15.0/work/calibre-3.15.0/src/calibre/headless/fontconfig_database.h:9, from /var/tmp/portage/app-text/calibre-3.15.0/work/calibre-3.15.0/src/calibre/headless/fontconfig_database.cpp:40: /var/tmp/portage/app-text/calibre-3.15.0/work/calibre-3.15.0/src/calibre/headless/fontconfig_database.cpp:296:1: error: static assertion failed: sizeof specialLanguages / sizeof *specialLanguages == QChar::ScriptCount Q_STATIC_ASSERT(sizeof specialLanguages / sizeof *specialLanguages == QChar::ScriptCount); ^ make: *** [Makefile:591: fontconfig_database.o] Error 1 Related to this bug in calibre I found the following: https://www.mail-archive.com/help-guix@gnu.org/msg04142.html Maybe it's missing a QT version dependency to calibre ebuild.
*** This bug has been marked as a duplicate of bug 660346 ***