kadu: add optional qt5 database plugins

Closes #3913

srcpkgs/kadu/template

@@ -1,19 +1,22 @@
 # Template file for 'kadu'
 pkgname=kadu
 version=3.0
-revision=2
+revision=3
 build_style=cmake
 configure_args="-DCMAKE_PREFIX_PATH=${XBPS_CROSS_BASE}/usr
  -DQCA2_INCLUDE_DIR=${XBPS_CROSS_BASE}/usr/include/QtCrypto
  -DQCA2_LIBRARIES=qca -Wno-dev"
-hostmakedepends="cmake pkg-config"
+hostmakedepends="pkg-config qt5-plugin-mysql qt5-plugin-odbc
+ qt5-plugin-pgsql qt5-plugin-sqlite qt5-plugin-tds"
 makedepends="libao-devel libsndfile-devel libarchive-devel
  enchant-devel injeqt-devel libgadu-devel libotr-devel
  qt5-devel qt5-xmlpatterns-devel qt5-declarative-devel qt5-multimedia-devel
  qt5-script-devel qt5-svg-devel qt5-tools-devel qt5-webkit-devel qt5-x11extras-devel
- qt5-plugin-mysql qt5-plugin-odbc qt5-plugin-pgsql qt5-plugin-sqlite qt5-plugin-tds
  libmpdclient-devel qca-qt5-devel qxmpp-devel phonon-qt5-devel libXScrnSaver-devel"
-depends="hicolor-icon-theme qca-qt5-ossl ${pkgname}-data-${version}_${revision}"
+depends="${pkgname}-data-${version}_${revision} hicolor-icon-theme qca-qt5-ossl 
+ $(vopt_if mysql qt5-plugin-mysql) $(vopt_if odbc qt5-plugin-odbc)
+ $(vopt_if pgsql qt5-plugin-pgsql) $(vopt_if sqlite qt5-plugin-sqlite)
+ $(vopt_if tds qt5-plugin-tds)"
 short_desc="Instant Messenger client"
 maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
 license="GPL-2"
@@ -21,6 +24,14 @@ homepage="http://www.kadu.im/"
 distfiles="http://download.kadu.im/stable/${pkgname}-${version}.tar.bz2"
 checksum=3f5c0a66a33d1244acd981aef5c268d94185956754ca62e0c4295f7b50700366
 
+build_options="mysql odbc pgsql sqlite tds"
+build_options_default="sqlite"
+desc_option_mysql="Use MySQL database plugin"
+desc_option_odbc="Use ODBC database plugin"
+desc_option_pgsql="Use PostgreSQL database plugin"
+desc_option_sqlite="Use SQlite database plugin"
+desc_option_tds="Use Tabular Data Stream database plugin"
+
 pre_configure() {
 	# Disable plugins which require pkgs Void does not ship (yet)
 	# unity_integration: Ubuntu