Fw: CrossCompiling

René Berber r.berber@computer.org
Tue Dec 20 01:46:00 GMT 2005

Jay C. wrote:
> On compiling, it throws the following error.
> /opt/crosstool/gcc-3.4.1-glibc-2.3.2/i686-unknown-linux-gnu/lib/gcc/i686-unknown-linux-gnu/3.4.1/../../../../i686-unknown-linux-gnu/bin/ld:
> cannot find -lgcc_s

Just what it says: the linker cannot find library libgcc_s.a (or libgcc_s.so if
using shared libraries).

In general your compiler can tell you where are the libraries it is using:
$ gcc -print-libgcc-file-name

$ gcc -print-file-name=libgcc.a

$ gcc -print-file-name=libgcc_s.a

The 3rd test did not find libgcc_s.a and the compiler doesn't show a path but in
a way is saying "I'll use it if I find it right here in this directory".

> I have glib, glib2, glib-devel, glib2-devel and any other glib packages
> I could find installed for Cygwin.

If you are cross-compiling those will not work, you need the target libraries
(notice the difference between my libgcc and the one your linker was looking
for: .../i686-pc-cygwin/... vs .../i686-unknown-linux/...).

In other words, your setup is not complete for doing the cross-compilation you
are trying to do.

René Berber

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