libraries/wxPython3: Add webkitgtk detection.

Thanks to Alex Kempshall for reporting.

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

libraries/wxPython3/README

@@ -16,3 +16,6 @@ overwrite some files created by wxPython.
 If you need to build packages using wxPython, simply reinstall wxPython package and
 wx-config will point to correct version.
 The same solution can be used if wxPython's wx-config is overwritten.
+
+Optional dependency:
+- To have webview support, please install webkitgtk before installing wxGTK3.

libraries/wxPython3/wxPython3.SlackBuild

@@ -26,7 +26,7 @@
 PRGNAM=wxPython3
 SRCNAM=wxPython
 VERSION=${VERSION:-3.0.2.0}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -56,6 +56,14 @@ else
   LIBDIRSUFFIX=""
 fi
 
+# check webkitgtk existence
+webkit=`pkg-config --exists webkit-1.0`
+if [ "$?" -eq 0 ]; then
+  wx="--enable-webview"
+else
+  wx="--disable-webview"
+fi
+
 set -e
 
 rm -rf $PKG
@@ -88,7 +96,8 @@ CXXFLAGS="$SLKCFLAGS" \
   --enable-sound \
   --disable-precomp-headers \
   --libdir=/usr/lib$LIBDIRSUFFIX \
-  --build=$ARCH-slackware-linux
+  --build=$ARCH-slackware-linux \
+  $wx
 
 make