I'm afraid it's failing to build from source:
x86_64-linux-gnu/qt5 -isystem /usr/include/x86_64-linux-gnu/qt5/QtMultimedia
-isystem /usr/include/x86_64-linux-gnu/qt5/QtGui -isystem
/usr/include/x86_64-linux-gnu/qt5/QtNetwork -isystem
/usr/include/x86_64-linux-gnu/qt5/QtScript -isystem
/usr/include/x86_64-linux-gnu/qt5/QtCore -I. -isystem /usr/include/libdrm
-I/usr/lib/x86_64-linux-gnu/qt5/mkspecs/linux-g++ -o qlcfixturedefcache.o
qlcfixturedefcache.cpp
qlcfixturedef.cpp: In member function ‘QLCPhysical QLCFixtureDef::physical()
const’:
qlcfixturedef.cpp:342:12: error: implicitly-declared
‘QLCPhysical::QLCPhysical(const QLCPhysical&)’ is deprecated
[-Werror=deprecated-copy]
342 | return m_physical;
| ^~~~~~~~~~
In file included from qlcfixturedef.h:28,
from qlcfixturemode.h:29,
from qlcfixturedef.cpp:28:
qlcphysical.h:78:18: note: because ‘QLCPhysical’ has user-provided
‘QLCPhysical& QLCPhysical::operator=(const QLCPhysical&)’
78 | QLCPhysical& operator=(const QLCPhysical& physical);
| ^~~~~~~~
cc1plus: all warnings being treated as errors
make[3]: *** [Makefile:1206: qlcfixturedef.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory '/<<PKGBUILDDIR>>/engine/src'
make[2]: *** [Makefile:90: sub-src-make_first-ordered] Error 2
make[2]: Leaving directory '/<<PKGBUILDDIR>>/engine'
make[1]: *** [Makefile:96: sub-engine-make_first-ordered] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
dh_auto_build: make -j2 returned exit code 2
make: *** [debian/rules:14: build] Error 255
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2
--------------------------------------------------------------------------------
Build finished at 2019-08-19T19:38:24Z
Could it be the switch to gcc-9?
