Index: src/qt-console/bat.pro
--- src/qt-console/bat.pro.orig
+++ src/qt-console/bat.pro
@@ -30,8 +30,8 @@ QMAKE_INSTALL_PROGRAM = $${LIBTOOL_INSTALL} install -m
 QMAKE_CLEAN += .libs/* bat
 
 qwt {
-  INCLUDEPATH += 
-  LIBS        +=  
+  INCLUDEPATH += /usr/local/include
+  LIBS        +=  -lqwt-qt6
 }
 
 macx {
