+ PYTHON_CHECK_MODULE([PyQt4.QtCore], [PyQt4 for Qt4], \
+ [passed=yes], [passed=no], \
+ [PyQt4.QtCore.PYQT_VERSION >= 260000])
+
+ # Enable this if we want to test for PyQwt, too
+ #PYTHON_CHECK_MODULE([PyQt4.Qwt5], [PyQwt5 for Qt4], \
+ # [passed=yes], [passed=no], \
+ # [PyQt4.Qwt5.QWT_VERSION >= 327000])
+
+# Check for:
+# QtOpenGL
+# QtGui
+# QtCore
+# qwt
+# qwtplot3d
+# qt4
+
+# qt4-core, qt4-gui, qwt5-qt4, qwt5-qt4-dev, libqwtplot3d-qt4, libqwtplot3d-qt4-dev, qt4-dev-tools
+
+ if test $passed = yes; then
+ dnl Check for package qt or qt-mt, set QT_CFLAGS and QT_LIBS
+ PKG_CHECK_MODULES(QTCORE, QtCore >= 4.2, [],
+ [passed=no; AC_MSG_RESULT([gr-qtgui requires libQtCore >= 4.2.])])
+ PKG_CHECK_MODULES(QTGUI, QtGui >= 4.2, [],
+ [passed=no; AC_MSG_RESULT([gr-qtgui requires libQtGui >= 4.2.])])
+ PKG_CHECK_MODULES(QTOPENGL, QtOpenGL >= 4.2, [],
+ [passed=no; AC_MSG_RESULT([gr-qtgui requires libQtOpenGL >- 4.2.])])
+