On Tue, 2008-11-11 at 14:58 +0100, Jörn Engel wrote:
[...]
> So what is the right solution to this problem? Call "gcc --version" and
> parse the (deliberately hard) output? Or make a copy of the gcc headers
There is `gcc -dumpversion`. But it doesn't help if your compiler is
from e.g. /opt/gcc-4.1.2 (where mine usually are).
And `which`, `type -all`, and similar also doesn't really help as the
reported pathname can be actually the ccache binary ....
So you want to use the output of
---- snip ----
gcc -v -E - </dev/null 2>&1 >/dev/null | sed -n -e '/^#include <\.\.\.> search
starts here:/,/^End of search list\./s/^ \(.*\)/\1/p'
---- snip ----
which also seems to work with non-standard paths (like /opt) and ccache
in between.
Bernd
PS: The core of the above line is from
http://sourceware.org/ml/crossgcc/2006-12/msg00038.html. The quite
trivial `sed` filter is by me.
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