qt: clean build directory

diff --git a/products/compil_scripts/qt-5.12.10.sh b/products/compil_scripts/qt-5.12.10.sh
index be1cb2b7a477a75fb6d1ed2b27942ab01ace4580..e83d672e3c25c23436ad10f7aa2021f1df3ab2e7 100755 (executable)
--- a/products/compil_scripts/qt-5.12.10.sh
+++ b/products/compil_scripts/qt-5.12.10.sh
@@ -17,6 +17,9 @@ else
     BUILD_TYPE="-release"
 fi
 
+# clean build directory
+rm -rf $BUILD_DIR && mkdir -p $BUILD_DIR && cd $BUILD_DIR
+
 # For -qt-harfbuzz option, see spns #9694
 echo
 echo "*** $SOURCE_DIR/configure -prefix $PRODUCT_INSTALL $BUILD_TYPE -opensource -nomake tests -nomake examples -no-rpath -verbose -no-separate-debug-info -confirm-license -qt-libpng -qt-xcb -no-eglfs -dbus-runtime -skip qtwebengine -skip wayland -skip qtgamepad -system-freetype -qt-harfbuzz -no-openssl -no-glib"