bitbake: codeparser: Switch to sha256 from md5

We've reports of hash collision with codeparser. Looking at the way collision
problems occur with md5 and the way our function templating works, I can believe
we may run into issues.

This patch therefore switches to sha256.

Performance wise, parse time could appear to rise by 4s in 374s

Before:

384329 in 2.966s (md5)

After:

349743 in 2.340s (sha256)
34723 in 1.245s (md5)

since we still have md5 used elsewhere in the code, something we should look at
next (using sha256 everywhere is around 5.3s in total)

Unfortunately this does nearly double the size of the codeparser cache file
due to the hash size change.

(Bitbake rev: 4bed7a97198176503fe8c72d8dd7c36b28fc9dd1)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

0 files changed, 0 insertions, 0 deletions