Re: undefined reference to `main' and strange gnat behaviour

[Brian Drummond <brian@shapes.demon.co.uk>]

On Wed, 2014-09-24 at 10:39 +0200, Gour wrote:
> On Tue, 23 Sep 2014 19:07:54 +0200
> Ludovic Brenta
> <ludovic@ludovic-brenta.org> wrote:
> 
> > I suggest you "rm -f b~* *.o .ali" and call gnatmake again.  I presume
> > there was an error wherein some file was modified in an editor but not
> > on disk?
> 
> Be assured that I tried that in the very beginning, but it didn't work.
> 
> > Anyway, I can only say: "works for me"...
> 
> Now, you may laugh about it, but what can you say about this:

> $ emacs -nw hello.adb 

> $ gnatmake hello.adb 
> gcc-4.9 -c hello.adb
> gnatbind -x hello.ali
> gnatlink hello.ali

here gcc-4.9 is invoked

> $ vim hello.adb 

> $ gnatmake hello.adb 
> gnatbind -x hello.ali
> gnatlink hello.ali

here it is not...

Check file modification timestamps after each editor has finished : you
are looking for a reason why gnatmake thinks an object file is up to
date (newer than the source) when it is not...

- Brian