some debian $foo

added build dependency libqt5x11extras5-dev
add some minimum Qt versions
remove auto configure override, not needed anymore
removed replaces

debian/control

@@ -8,10 +8,11 @@ Priority: optional
 Build-Depends: debhelper (>= 9),
                cmake (>= 3.0.2),
                libqtermwidget5-0-dev (>= 0.6.0),
+               libqt5x11extras5-dev (>= 5.3),
                libx11-dev,
-               qtbase5-private-dev,
-               qttools5-dev,
-               qttools5-dev-tools,
+               qtbase5-private-dev (>= 5.3),
+               qttools5-dev (>= 5.3),
+               qttools5-dev-tools (>= 5.3),
                quilt,
 Standards-Version: 3.9.6
 Vcs-Browser: http://anonscm.debian.org/cgit/pkg-lxqt/qterminal.git
@@ -22,7 +23,6 @@ Package: qterminal
 Architecture: any
 Depends: ${shlibs:Depends},
          ${misc:Depends},
-Replaces: qterminal-qt5
 Description: QT-based multitab terminal emulator 
  Qterminal is a Qt-based multitab terminal forked from QTermWidget, it is
  lightweight, open-source, specially designed for LXQt desktop environment.

debian/copyright

@@ -1,4 +1,4 @@
-dFormat: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: qterminal
 Source: https://github.com/qterminal/qterminal.git
 

debian/rules

@@ -6,8 +6,5 @@ export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
 %:
 	dh $@  --buildsystem cmake --parallel --with quilt
 
-override_dh_auto_configure:
-	dh_auto_configure -- -DUSE_QT5=1 -DUSE_SYSTEM_QXT=0 -DBUILD_DESIGNER_PLUGIN=0
-
 override_dh_strip:
 	dh_strip --dbg-package=qterminal-dbg