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-rw-r--r--config/grc_gr_qtgui.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/config/grc_gr_qtgui.m4 b/config/grc_gr_qtgui.m4
index 8c5216971b..00c679077c 100644
--- a/config/grc_gr_qtgui.m4
+++ b/config/grc_gr_qtgui.m4
@@ -42,5 +42,6 @@ AC_DEFUN([GRC_GR_QTGUI],[
GRC_BUILD_CONDITIONAL([gr-qtgui], [
AC_SUBST(QT_LIBS)
+ AC_SUBST(QWT_CFLAGS)
AC_SUBST(QWT_LIBS)])
])