[Interest] qmake, executable & static libs...

Igor Mironchik igor.mironchik at gmail.com
Thu Jun 18 08:56:11 CEST 2015


On 18.06.2015 09:48, Thiago Macieira wrote:
> On Thursday 18 June 2015 09:24:38 Igor Mironchik wrote:
>> Hi guys,
>> I'm porting Qt 5 application to Linux and ran into a problem of linking.
>> This application depends on two external static libs (let's say libs A
>> and B). But this libs is in the tree of the project.
>> And this project depends on two yet internal static libs (let's say libs
>> C and D). Libs C and D depends on libs A and B.
>> All static libs creates successfully.
>> But executable can't link. I have added all 4 static libs ( A,B,C,D ) to
>> the project of executable ( link rules, pretarget deps...)
>> And ld says when linking executable that in static lib C there are
>> undefined references to functions and methods from static lib A.
>> What should I do in .pro files to solve this problem.
> You need to list the libraries in the right order. The order of static
> libraries is relevant, unlike for dynamic libraries.
> You must first list the library that requires a symbol, then the library that
> provides the symbol, so that the undefined reference can be resolved.
> Or the other way around...

Didn't know about it... Thank you, reorder of libraries helped.

More information about the Interest mailing list