[Plplot-cvs] SF.net SVN: plplot:[11661] trunk/cmake/modules/qt.cmake

[<ai...@us...>]

Revision: 11661
          http://plplot.svn.sourceforge.net/plplot/?rev=11661&view=rev
Author:   airwin
Date:     2011-03-20 04:45:35 +0000 (Sun, 20 Mar 2011)

Log Message:
-----------
The external qt device does not work well (qt_example hangs,
segfaults, and valgrind shows lots of memory management issues) when
dynamic devices are disabled so disable the external qt device for
that case.

Modified Paths:
--------------
    trunk/cmake/modules/qt.cmake

Modified: trunk/cmake/modules/qt.cmake
===================================================================
--- trunk/cmake/modules/qt.cmake	2011-03-20 02:41:13 UTC (rev 11660)
+++ trunk/cmake/modules/qt.cmake	2011-03-20 04:45:35 UTC (rev 11661)
@@ -51,6 +51,17 @@
 # PYQT_SIP_DIR		  - sip system directory
 # PYQT_SIP_FLAGS	  - sip command flags
 
+# valgrind shows severe memory management problems with qt_example and
+# qt_example either segfaults or hangs when ENABLE_DYNDRIVERS is OFF.
+# I presume this is due to some linking issue for that case, but for
+# now disable PLD_extqt when ENABLE_DYNDRIVERS is OFF until someone can
+# investigate this issue further.
+
+if(PLD_extqt AND NOT ENABLE_DYNDRIVERS)
+  message(STATUS "WARNING: ENABLE_DYNDRIVERS is OFF so force PLD_extqt to be OFF")
+  set(PLD_extqt OFF CACHE BOOL "Enable Qt ext device" FORCE)
+endif(PLD_extqt AND NOT ENABLE_DYNDRIVERS)
+
 if(PLD_bmpqt OR PLD_jpgqt OR PLD_pngqt OR PLD_ppmqt OR PLD_tiffqt OR PLD_epsqt OR PLD_pdfqt OR PLD_qtwidget OR PLD_svgqt OR PLD_extqt OR PLD_memqt)
   set(ANY_QT_DEVICE ON)
 endif(PLD_bmpqt OR PLD_jpgqt OR PLD_pngqt OR PLD_ppmqt OR PLD_tiffqt OR PLD_epsqt OR PLD_pdfqt OR PLD_qtwidget OR PLD_svgqt OR PLD_extqt OR PLD_memqt)


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