[passed=no;AC_MSG_RESULT([gr-qtgui requires qt, not found. Checking for qt-mt])])
fi
- AC_HAVE_LIBRARY(qwt, [],
- [passed=no;AC_MSG_RESULT([gr-qtgui requires qwt, not found.])])
+ PKG_CHECK_MODULES(qwt, qwt >= 5.0,[],
+ [passed=no;AC_MSG_RESULT([gr-qtgui requires qwt, not found. Checking for qt-mt])])
GRC_BUILD_CONDITIONAL([gr-qtgui], [