[Octave-bug-tracker] [bug #56376] Qt build error in recent dev

[A.R. Burgers]

Follow-up Comment #2, bug #56376 (project octave):

with this patch it compiles with 5.4


diff -r 3aa37c2e22a3 libgui/graphics/Figure.cc
--- a/libgui/graphics/Figure.cc Wed May 22 22:34:38 2019 +0200
+++ b/libgui/graphics/Figure.cc Thu May 23 09:12:14 2019 +0200
@@ -98,7 +98,7 @@
           else
             tmp.setAlpha (0);

-          retval.setPixelColor(jj, ii, tmp);
+          retval.setPixel(jj, ii, tmp.rgba());
         }

     return retval;


The compiler still produces a warning:


  CXX      libgui/graphics/libgui_graphics___init_qt___la-Figure.lo           
      
../octave/libgui/graphics/Figure.cc: In member function 'virtual void
QtHandles::Figure::update(int)':
../octave/libgui/graphics/Figure.cc:461:9: warning: attributes at the
beginning of statement are ignored [-Wattributes]
         [[fallthrough]];
         ^


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