Re: GCC -- reducing compiled code size

From:

James Kanze <james.kanze@gmail.com>

Newsgroups:

comp.lang.c++

Date:

Tue, 24 Jul 2007 10:02:49 -0000

Message-ID:

<1185271369.140324.52080@q75g2000hsh.googlegroups.com>

On Jul 23, 7:29 pm, "Victor Bazarov" <v.Abaza...@comAcast.net> wrote:

Ignoramus3627 wrote:

We have a library that has 179385 lines of code.

With GCC, no debug information requested (no -g option) it creates a
31 meg long .a library file.

I think that it is excessive. Any idea what I can do to reduce the
size?

C++ _language_ imposes no requirements on the size of the produced
object code (or machine code). Please ask in the newsgroup dedicated
to your compiler (gnu.g++.help comes to mind).

Even then. The whole question is misformed: since when is there
any direct relationship between lines of code and size of a
library. With a little bit of clever use of templates, I can
get a library that big with only a thousand lines of code,
probably even less. On the other hand, it's pretty easy to
write code where the library size will be smaller than the
original C++ source code. Without seeing the exact code, it's
impossible to say whether the size is excessive or not. (Even
from a quality of implementation point of view.)

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