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Home/ Questions/Q 7677591
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Editorial Team
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Editorial Team
Asked: May 31, 20262026-05-31T17:27:23+00:00 2026-05-31T17:27:23+00:00

I use LIBS flag to link qwt library to my project. So in .pro

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I use LIBS flag to link qwt library to my project. So in .pro of my project i have

LIBS += -L/home/Desktop/qwt-6.0.1/lib -lqwt

But anyway Qt does not recognize qwt classes. What i’m missing ??

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  1. Editorial Team
    Editorial Team
    2026-05-31T17:27:25+00:00Added an answer on May 31, 2026 at 5:27 pm

    I think you forgot to include the headers.

    Try to add the following

    INCLUDE += /home/Desktop/qwt-6.0.1/include
    
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