Re: control of symbols exported by shared libraries

[Bruno Haible]

Albert Chin wrote:
> The AIX v7 compiler compiles the following:
>   $ cat vis.c
> extern __attribute__((__visibility__("hidden"))) int hiddenvar;
> extern __attribute__((__visibility__("default"))) int exportedvar;
> extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
> extern __attribute__((__visibility__("default"))) int exportedfunc (void);
>
>   $ xlc -c vis.c
>   [no error]

Thanks for the info. But does it have any effect? And is there a way to make
the default visibility in a compilation be "hidden" instead of "default"?

Bruno