* C++ default namespace
@ 2023-12-20 12:29 Apoorslime
2023-12-20 12:30 ` Apoorslime
2023-12-20 16:47 ` Arsen Arsenović
0 siblings, 2 replies; 5+ messages in thread
From: Apoorslime @ 2023-12-20 12:29 UTC (permalink / raw)
To: gcc-help
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Hi, sorry for the inconvenience but I couldn't understand what it's for
namespace std _GLIBCXX_VISIBILITY(default) {
}
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: C++ default namespace
2023-12-20 12:29 C++ default namespace Apoorslime
@ 2023-12-20 12:30 ` Apoorslime
2023-12-20 19:43 ` Jonathan Wakely
2023-12-20 16:47 ` Arsen Arsenović
1 sibling, 1 reply; 5+ messages in thread
From: Apoorslime @ 2023-12-20 12:30 UTC (permalink / raw)
To: gcc-help
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I would like to understand specifically how it works and what it is used for
Il mer 20 dic 2023, 13:29 Apoorslime <apoorslime@gmail.com> ha scritto:
> Hi, sorry for the inconvenience but I couldn't understand what it's for
>
> namespace std _GLIBCXX_VISIBILITY(default) {
>
> }
>
>
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: C++ default namespace
2023-12-20 12:29 C++ default namespace Apoorslime
2023-12-20 12:30 ` Apoorslime
@ 2023-12-20 16:47 ` Arsen Arsenović
1 sibling, 0 replies; 5+ messages in thread
From: Arsen Arsenović @ 2023-12-20 16:47 UTC (permalink / raw)
To: Apoorslime; +Cc: gcc-help
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Apoorslime via Gcc-help <gcc-help@gcc.gnu.org> writes:
> Hi, sorry for the inconvenience...
There is none :-)
> ... but I couldn't understand what it's for
> namespace std _GLIBCXX_VISIBILITY(default) {
This 'annotation' sets the ELF visibility of the symbols inside the
namespace to 'default', if supported.
What this means for the symbols in the std namespace is that they will
be visible to users of libstdc++.so.
> }
--
Arsen Arsenović
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: C++ default namespace
2023-12-20 12:30 ` Apoorslime
@ 2023-12-20 19:43 ` Jonathan Wakely
2023-12-23 16:11 ` Apoorslime
0 siblings, 1 reply; 5+ messages in thread
From: Jonathan Wakely @ 2023-12-20 19:43 UTC (permalink / raw)
To: Apoorslime; +Cc: gcc-help
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On Wed, 20 Dec 2023, 12:31 Apoorslime via Gcc-help, <gcc-help@gcc.gnu.org>
wrote:
> I would like to understand specifically how it works and what it is used
> for
>
It's a macro that adds the visibility attribute to the namespace.
https://gcc.gnu.org/wiki/Visibility
> Il mer 20 dic 2023, 13:29 Apoorslime <apoorslime@gmail.com> ha scritto:
>
> > Hi, sorry for the inconvenience but I couldn't understand what it's for
> >
> > namespace std _GLIBCXX_VISIBILITY(default) {
> >
> > }
> >
> >
> >
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: C++ default namespace
2023-12-20 19:43 ` Jonathan Wakely
@ 2023-12-23 16:11 ` Apoorslime
0 siblings, 0 replies; 5+ messages in thread
From: Apoorslime @ 2023-12-23 16:11 UTC (permalink / raw)
To: Jonathan Wakely; +Cc: gcc-help
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Thank you for your answer.
Il mer 20 dic 2023, 20:43 Jonathan Wakely <jwakely.gcc@gmail.com> ha
scritto:
>
>
> On Wed, 20 Dec 2023, 12:31 Apoorslime via Gcc-help, <gcc-help@gcc.gnu.org>
> wrote:
>
>> I would like to understand specifically how it works and what it is used
>> for
>>
>
> It's a macro that adds the visibility attribute to the namespace.
>
> https://gcc.gnu.org/wiki/Visibility
>
>
>
>> Il mer 20 dic 2023, 13:29 Apoorslime <apoorslime@gmail.com> ha scritto:
>>
>> > Hi, sorry for the inconvenience but I couldn't understand what it's for
>> >
>> > namespace std _GLIBCXX_VISIBILITY(default) {
>> >
>> > }
>> >
>> >
>> >
>>
>
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-12-23 16:12 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2023-12-20 12:29 C++ default namespace Apoorslime
2023-12-20 12:30 ` Apoorslime
2023-12-20 19:43 ` Jonathan Wakely
2023-12-23 16:11 ` Apoorslime
2023-12-20 16:47 ` Arsen Arsenović
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