From 4bc499768039ed3d618036400004d361c3d6934e Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 9 Feb 2022 17:45:24 +0100
Subject: [PATCH] Sketcher: [skip ci] fix build failure with Qt 5.9

---
 src/Mod/Sketcher/Gui/CommandSketcherBSpline.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Mod/Sketcher/Gui/CommandSketcherBSpline.cpp b/src/Mod/Sketcher/Gui/CommandSketcherBSpline.cpp
index a4fb1168b0..8ed059a5b6 100644
--- a/src/Mod/Sketcher/Gui/CommandSketcherBSpline.cpp
+++ b/src/Mod/Sketcher/Gui/CommandSketcherBSpline.cpp
@@ -1056,8 +1056,10 @@ void CmdSketcherInsertKnot::activated(int iMsg)
                                 .arg(QString::fromUtf8(multList.str().c_str())));
         // use an appropriate middle value from `knots`
         knotDialog.setDoubleValue(0.5 * (knots.front() + knots.back()));
+#if QT_VERSION >= QT_VERSION_CHECK(5,10,0)
         // set step size dependent on the knot range
         knotDialog.setDoubleStep(0.001 * (knots.back() - knots.front()));
+#endif
         // use min/max from `knots`
         knotDialog.setDoubleRange(knots.front(), knots.back());