Section External - stop functions from being optimised out?
Xavier Oswald
x.oswald at free.fr
Thu Nov 13 18:52:38 UTC 2008
On 08:48 Tue 11 Nov , Jeremy Cowgar wrote:
> Greetings!
>
> How can I stop the compiler from optimising an external function out of
> existance? Here is an example:
>
> Section External
>
> - say_hello ih:POINTER :INTEGER <-
> (
> "Hello, World!\n".print;
> `IUP_CLOSE`:INTEGER
> );
>
> Section Public
>
> - main <-
> (
> // code
> `IupSetCallback(@control, "ACTION", say_hello)`;
> // code
> );
>
> The external function "say_hello" is never used directly, thus the compiler
> is removing it from the compiled code. How can I tell the compiler to
> keep say_hello?
You can do this whithout using your tips.
Have a look in the manual about external usage, there is a comment about lisaac
removing function. If I well remember, you could use a return parameter between
parenthesis and thus, the code will not be removed.
Greetings,
--
,''`. Xavier Oswald <x.oswald at free.fr>
: :' : GNU/LINUX Debian Maintainer
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