Change build system to cmake

debian/changelog

@@ -3,6 +3,7 @@ featherpad (1.3.0-0ubuntu1) UNRELEASED; urgency=medium
   * New upstream release.
   * Updated copyright file.
   * Bumped standards-version.
+  * Changed build system from qmake to cmake.
 
  -- Aaron Rainbolt <arraybolt3@gmail.com>  Tue, 21 Jun 2022 13:08:09 -0500
 

debian/rules

@@ -1,12 +1,11 @@
 #!/usr/bin/make -f
 export DH_VERBOSE=1
 
-export QT_SELECT = 5
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
 
 %:
-	dh ${@} --buildsystem=qmake
+	dh ${@} --buildsystem=cmake
 
 override_dh_missing:
 	dh_missing --fail-missing