cross-compiled object sizes too big
Dan Kegel
dank@kegel.com
Fri Oct 29 00:57:00 GMT 2004
David Wuertele wrote:
> I've been using crosstool-generated gcc-3.3.3 to build my mipsel
> targets, and I find that the file sizes are humungous. After
> stripping the objects, I get file sizes that are up to TWICE as large
> as similarly generated gcc-2.96 code. Do these sizes not look out of
> line?
>
> bytes gcc-3.3.3 generated files
> ------- --------------------------------
> 1884160 /lib/libc-2.3.2.so
> 1257472 /lib/libstdc++.so.5.0.5
> 1048576 /usr/local/lib/libfreetype.so.1314.0.0.10
> 1036288 /bin/busybox
> 1011712 /bin/bash
>
> bytes gcc-2.96 generated files
> ------- --------------------------------
> 1531904 /lib/libc-2.2.4.so
> 532480 /lib/libstdc++-3-libc6.2-2-2.10.0.so
> 495616 /usr/local/lib/libfreetype.so.1314.0.0.10
> 462848 /bin/busybox
> 847872 /bin/bash
>
> Compiling with -Os helps, but doesn't get close to the file sizes I
> saw with my older cross-compiler.
We had a similar problem with sh4. I seem to recall that
$TARGET-strip --strip-unneeded $file
helped a bit more. (Can't do that with every file, though.)
- Dan
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