Re: Static library(.lib) v/s dynamic library(.dll) size confusion

From:
Ulrich Eckhardt <eckhardt@satorlaser.com>
Newsgroups:
microsoft.public.vc.language
Date:
Fri, 13 Nov 2009 09:02:20 +0100
Message-ID:
<cdgvs6-i2e.ln1@satorlaser.homedns.org>
Nithin wrote:

I have a static library(.lib) with some 234 files in it.When I build
it the size of the .lib is around 8MB.(just building the library not
attaching to any application)

When I build the same 234 files in a different project which is a
Dynamic link library(.dll) the size is around 2 MB.

My question is even though I have the same number of files in both
cases why is static library(.lib) size so large??I am working in some
embedded project so size is a major constraint


Nathan already said that a statically vs a dynamically linked runtime makes
a difference.

Another possible point is that with a DLL, unused stuff can be discarded.
The required parts are DllMain(), all symbols marked with
declspec(dllexport) and those they depend on. In a static library, no such
selection is make. I'm not 100% sure that this is automatically discarded
though.

Uli

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