Re: "... causes overflow in R_X86_... relocation"

Relocation is part of the linking process. Specifically, external
function calls must be given a real run-time address instead of some
placeholder.

R_X86_64_32 is a particular type of relocation, where the relocation
address is a 32-bit field.

I believe this might be caused by Qtah being built without -fPIC.

On Sat, Oct 17, 2020 at 2:42 PM Volker Wysk <[email protected]> wrote:
>
> Hi.
>
> I have a litte program named "svumb", which compiles and links without error
> or warning message. But when I start it, this happens:
>
> build/svumb: Symbol `qtahzmqt5zm0zi7zi0zm4ATcbzzMngNWCbnemaqWUdM_GraphicsziUIziQtahziGeneratedziWidgetsziQMessageBox_setText_closure' causes overflow in R_X86_64_32 relocation
> (... long list of similar messages ...)
> build/svumb: Symbol `stg_INTLIKE_closure' causes overflow in R_X86_64_32 relocation
> build/svumb: error while loading shared libraries: unexpected reloc type 0x0b
>
> Do those messages make sense to anyone? What is a "R_X86_64_32 relocation"?
> What is a "reloc type"? What's happening??
>
> Calling "sudo ldconfig" doesn't help.
>
> The program uses the Qtah package, which is a Qt binding for Haskell. It
> might have something to do with this. It can't be linked statically, because
> then the following error occurs after starting the compiled and linked program:
>
> .../build/svumb: error while loading shared libraries: libqtah.so.0: cannot open shared object file: No such file or directory
>
> Compiling it dynamically had worked, but now I have the problem above.
>
> Regards,
> Volker
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