[Qgis-developer] flex error while building QGIS from sources

[Nejia]

Hi,

 

While building QGIS from source
<http://htmlpreview.github.io/?https://raw.github.com/qgis/QGIS/master/doc/I
NSTALL.html#toc14>  I get this error :

/src/core/qgsexpressionlexer.ll", line 22: unrecognized %option: reentrant

/src/core/qgsexpressionlexer.ll", line 24: unrecognized %option:
bison-bridge

3>Project : error PRJ0019: A tool returned an error code from "Generating
flex_qgsexpressionlexer.cpp"

 

I use flex-2.5.4a-1

 

Thanks,

Nejia

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