+ dnl Try again with Qt4 if configuring for Qt5 fails
+ if test x$USE_QT5 = xyes ; then
+ USE_QT5=no
+ AC_SUBST([USE_QT5])
+ if test -n "$PKG_CONFIG" ; then
+ QT_DO_PKG_CONFIG
+ fi
+ if test "$pkg_failed" != "no" ; then
+ QT_DO_MANUAL_CONFIG
+ fi
+ if test -z "$QT_LIB"; then
+ AC_MSG_ERROR([cannot find qt libraries.])
+ fi
+ else
+ AC_MSG_ERROR([cannot find qt libraries.])
+ fi