Patrice Dumas wrote:
On Wed, Jun 06, 2007 at 08:41:26AM -0500, Chris Adams wrote:
You should probably test that before you post. I would say this is the
smallest possible regular C program:
$ cat x.c
int main ()
{
return 0;
}
$ gcc -o x-dyn x.c
$ gcc -static -o x-stat x.c
$ strip x-dyn x-stat
$ ls -l x-dyn x-stat
-rwxr-xr-x 1 cmadams users 2816 Jun 6 08:38 x-dyn
-rwxr-xr-x 1 cmadams users 459492 Jun 6 08:38 x-stat
$
I don't forsee a static executable being smaller than a dynamic
executable in the real world. It is possible that somebody could
hand-build (e.g. no gcc, ld, etc.) such an executable, but that doesn't
really count (since that isn't done in the real world).
given that the dynamic executable is 2816 bytes, the static one could be
smaller, however it is way bigger. In fact it seems to me (but I don't
rerally know a lot about those things, I was only saying something I saw
elsewhere) that it is way too bigger for that difference to be explained by
static linking, there is something else happening there.
I believe the granularity of the linker is a single object file. So even
if you use just a small routine within a big object file, the whole
thing is linked with (if you think about how ld works internally and
what it has to do, it makes sense).
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