Re: [Bug-gnulib] Re: Multiple definitions of symbol _xalloc_die

[Bruno Haible]

Simon Josefsson wrote:
> If the linker compare object code, it sounds inevitable that linking a
> program with two of my libraries that use gnulib will fail.  Library X
> may use gnulib version from date X', but library Y use gnulib from
> date Y', so the code could differ.  So if the linker compare object
> code, and refuse to link the library when there is a collision, things
> will be bad.
>
> But '-Dxalloc_die=$PROJECT_xalloc_die' sounds like a simple solution
> to the symptom I'm seeing now.

Someday we might even generate this list of -D flags automatically.
What would be needed is a list of global-scoped symbols per modules.
The format of modules/* could be extended to contain it.

Bruno