diff -u -r1.2 -r1.3
--- qt.m4	12 Oct 2010 21:24:04 -0000	1.2
+++ qt.m4	22 Sep 2011 18:58:16 -0000	1.3
@@ -28,10 +28,12 @@

 
 HAVE_QT=1
 

+AC_SUBST(QTHOME)
+

 ])
 
 dnl

-dnl Macro to enable or disable Qt.

+dnl Macro to enable or disable Qt.  No validity checks performed here.

 dnl
 AC_DEFUN(AC_ENABLE_QT, [
 

@@ -44,10 +46,9 @@

 
 if test "${enable_qt}" == "yes"; then
   AC_MSG_RESULT(yes)

-  if test -z "${QTHOME}"; then
-    AC_MSG_ERROR(Qt enabled but QTHOME is not set)
-  fi
-  AC_SUBST(QTHOME)

+dnl  if test -z "${QTHOME}"; then
+dnl    AC_MSG_ERROR(Qt enabled but QTHOME is not set)
+dnl  fi

 else
   DISABLE_QT=1
   AC_MSG_RESULT(no)