On 12/12/2014 10:46, Nicolas CARRIER wrote:
> Hello,
> When I compile the following code :
>
> public static int main(string[] args) {
> int[] b = { 2, 4, 6, 8 };
> foreach (int a in b)
> stdout.printf("%d\n", a);
> return 0;
> }
>
> with :
>
> $ valac -C main.vala
> $ gcc -Wunused-variable main.c -o main $(pkg-config --cflags --libs
> glib-2.0)
>
>
> I get the following warning :
> main.c: In function ‘_vala_main’:
> main.c:38:8: attention : unused variable ‘_a_collection_size_’
> [-Wunused-variable]
> gint _a_collection_size_ = 0;
> ^
> What is the reason for this warning ?
Valac not clever enough to delete unused C variables.
> Is it possible to get rid of it ?
Yes, ignore C warnings. Or fix vala, in this case it's not easy so I
don't suggest doing it :)
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