system/postgis: Added GUI component to build.

Added note to README about building JDBC driver,
fixed spelling (I am the one to blame for that ;P  --ponce)

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

system/postgis/README

@@ -2,9 +2,17 @@ PostGIS adds support for geographic objects to the PostgreSQL
 object-relational database. In effect, PostGIS "spatially
 enables" the PostgreSQL server, allowing it to be used as a
 backend spatial database for geographic information systems
-(GIS), much like ESRI's SDE or Oracle's Spatial extension.
+(GIS).
 
 To disable raster support and eliminate the gdal dependency,
 set RASTER=no. If you choose this path, be aware that
 postgis will still need the two dependencies that gdal
-rely on, proj and geos.
+relies on, proj and geos.
+
+To disable the GTK-based graphical interface for shp2pgsql,
+set GUI=no.
+
+This SlackBuild does not build the PostGIS JDBC driver since
+the build requires Apache Maven to download dependencies at
+build time. The optional dependencies needed to build the
+driver are: apache-ant, apache-maven, and postgres-jdbc.

system/postgis/postgis.SlackBuild

@@ -26,7 +26,7 @@
 
 PRGNAM=postgis
 VERSION=${VERSION:-2.0.2}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -42,11 +42,16 @@ TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 RASTER=${RASTER:-yes}
+GUI=${GUI:-yes}
 
 if [ "$RASTER" = "no" ] ; then
     RASTER_EXTENSION="--without-raster"
 fi
 
+if [ "$GUI" = "yes" ] ; then
+    SHP2PGSQL_GUI="--with-gui"
+fi
+
 if [ "$ARCH" = "i486" ]; then
   SLKCFLAGS="-O2 -march=i486 -mtune=i686"
   LIBDIRSUFFIX=""
@@ -86,6 +91,7 @@ CXXFLAGS="$SLKCFLAGS" \
   --sysconfdir=/etc \
   --localstatedir=/var \
   $RASTER_EXTENSION \
+  $SHP2PGSQL_GUI \
   --build=$ARCH-slackware-linux
 
 make