[Qt-interest] qwt example

Sean Harmer sean.harmer at maps-technology.com
Sun May 3 13:34:23 CEST 2009


Stefanos Antaris wrote:
> The exact path of the qwt files and libs is:/Users/santaris/qwt-5.2.
>
> I write this on my .pro file but it doesn't work
> [code]
> INCLUDEPATH += /Users/santaris/qwt-5.2/lib
> LIBS+= -lqwt
>
> [/code]
>
> and nothing else and i have the following error:
> :-1: error: collect2: ld returned 1 exit status
>
> Someone help me.How could i use the qwt libraries in qt Creator?
>   
You are not properly telling qmake where to find the headers and 
libraries. You are mixng the two up in your example. Try this snippet 
instead:

INCLUDEPATH += /Users/santaris/qwt-5.2/include
LIBS += -L/Users/santaris/qwt-5.2/lib -lqwt

Now the buidl system will be able to find both the header files and the library and also know which library to link against.

HTH,

Sean




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