unreferenced main in embedded source code

[Steffen Dettmer]

On Wed, Apr 20, 2011 at 10:38 AM, domenico margiotta <margiodo@gmail.com> wrote:
> Our client has required to clean every warning in souce code. The
> codewarrior compiler don't detect every warning and so the client said
> to use a gcc -Wall and lint command.
>
> In our source code,we don't use a classic main(), but we specified at
> the IDE how is the main() and it compile fine, but when i run gcc
> -Wall, i reached the error for "undefined reference to `main' ".

[others already proposed to avoid linking by adding "-c"]

> Is it possible specify my entry point as main()?

Yes, of course:

gcc -Wall module.c -nostdlib -Wl,-efunctionname

should work as long as module.c defines the function "functionname".

oki,

Steffen