Re: [LAD] G++ trouble

On Mon, 16 Nov 2020 09:43:42 +0100
Fons Adriaensen <fons@email-addr-hidden> wrote:

> Hello all,
>
> I'm having a strange problem with G++...
>
> In one source file 'fb3data.cc', I define arrays like this:
>
> const float svcoeff44 [216] =
> {
> 1.631996e-03, 6.335480e-02, ...
> ...
> };
>
> (...)
> /usr/bin/ld: filtbank3.o: warning: relocation against `svcoeff88'
in
> read-only section `.text'

Hi,

I've already seen this strange behavior with gcc 9.x : symbols with
a const definition are by default not publicly visible. It works
if you explicitly add an "extern" in the definition:

extern const float svcoeff44 [216] = (...)

I am not sure whether it is a bug in gcc or a strict application of the
standard.

-a.

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