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--- a/src/configure
+++ b/src/configure
@@ -3778,7 +3778,7 @@
 
 # Discriminate qt3/4. Qt3 qmake prints its version on stderr but we don't
 # depend on this. We try to detect the qt 4 version string instead.
-qmakevers="`qmake --version 2>&1`"
+qmakevers="`${QMAKE} --version 2>&1`"
 #echo "qmake version: $qmakevers"
 v4=`expr "$qmakevers" : '.*Qt  *version  *4.*'`
 if test X$v4 = X0 ; then