求助！关于qwt无法正常编译 [复制链接]

新手第一次安装qwt可是写了进行编译的时候出现了这样的问题，请问这个怎么解决，谢谢！

图片:@Y20FSQ8A`@NEIUJH516{DT.png

使用最新版本qwt 6.1.2就可以编译通过

qwt-6.1.2.zip (5193 K) 下载次数:17



Qwt 6.1.2
=========

1) Qt 5.4 compatibility

   - QT_STATIC_CONST
     "QT_STATIC_CONST" replaced by "static const"

2) build environment

   - QMAKELIBDIRFLAGS
     using QMAKELIBDIRFLAGS to avoid conflicts with already
     installed linux distro packages

3) color maps

    - QwtLinearColorMap
      handling of alpha values added

    - QwtAlphaColorMap
      basic functinality fixed

    - QwtPainter
      QwtPainter::drawColorBar() fixed for semi transparent colors.

4) QwtPlot and friends

   - QwtLegend
     layout issue fixed

   - QwtLogScaleEngine
     tick duplicates fixed    

   - QwtPainter
     internal chunk size for drawing polylines with the raster paint engine
     reduced from 20 to 6 ( faster ).