tweak gui app.pro file in an attempt to work around various qt distributions that...

diff --git a/gui/app.pro b/gui/app.pro
index c5125072c610ec1aeca0eedf04eedb7a268996a2..78761a06d80c9aa45bf06a879615c62288fcd5ee 100755 (executable)
--- a/gui/app.pro
+++ b/gui/app.pro
@@ -14,9 +14,9 @@ ICON = images/appicon.icns
 QT += core \
       gui \
       network \
-      xml \
+      xml
 
-greaterThan(QT_MINOR_VERSION, 5) {
+qtHaveModule(webenginewidgets) {
   QT += webenginewidgets
   DEFINES += HAVE_WEBENGINE
 } else {