kde-apps/cantor: Add missing DEPENDs, improve backends einfo

Gentoo-bug: 598926

Package-Manager: portage-2.3.0

kde-apps/cantor/cantor-16.08.3.ebuild

@@ -28,6 +28,7 @@ RDEPEND="
  $(add_frameworks_dep kcrash)
  $(add_frameworks_dep kdelibs4support)
  $(add_frameworks_dep ki18n)
+ $(add_frameworks_dep kiconthemes)
  $(add_frameworks_dep kio)
  $(add_frameworks_dep knewstuff)
  $(add_frameworks_dep kparts)
@@ -36,6 +37,7 @@ RDEPEND="
  $(add_frameworks_dep kwidgetsaddons)
  $(add_frameworks_dep kxmlgui)
  $(add_qt_dep qtgui)
+ $(add_qt_dep qtprintsupport)
  $(add_qt_dep qtsvg)
  $(add_qt_dep qtwidgets)
  $(add_qt_dep qtxml)
@@ -54,7 +56,21 @@ DEPEND="${RDEPEND}
  >=dev-cpp/eigen-2.0.3:2
 "
 
-RESTRICT="test"
+RESTRICT+=" test"
+
+pkg_pretend() {
+ kde5_pkg_pretend
+
+ if ! has_version sci-mathematics/maxima && ! has_version sci-mathematics/octave && \
+ ! use analitza && ! use lua && ! use python && ! use qalculate && ! use R; then
+ einfo "You have decided to build ${PN} with no backend."
+ einfo "To have this application functional, please enable one of the backends via USE flag:"
+ einfo " analitza, lua, python, qalculate, R"
+ einfo "Alternatively, install one of these:"
+ einfo " # emerge sci-mathematics/maxima"
+ einfo " # emerge sci-mathematics/octave"
+ fi
+}
 
 pkg_setup() {
  use python && python_setup
@@ -80,16 +96,3 @@ src_configure() {
  )
  kde5_src_configure
 }
-
-pkg_postinst() {
- kde5_pkg_postinst
-
- if ! use analitza && ! use lua && ! use python && ! use qalculate && ! use R; then
- echo
- ewarn "You have decided to build ${PN} with no backend."
- ewarn "To have this application functional, please do one of below:"
- ewarn " # emerge -va1 '='${CATEGORY}/${P} with 'analitza', 'lua', 'python', 'qalculate' or 'R' USE flag enabled"
- ewarn " # emerge -vaDu sci-mathematics/maxima"
- echo
- fi
-}