libmirclient-debug-extension-dev installs debug/surface.h twice:
/usr/include/mirclient/mir_toolkit/debug/surface.h /usr/include/mirclient/mir_toolkit/debug/debug/surface.h
libmirclient- debug-extension -dev installs debug/surface.h twice:
/usr/include/ mirclient/ mir_toolkit/ debug/surface. h mirclient/ mir_toolkit/ debug/debug/ surface. h
/usr/include/