On Wed, Oct 17, 2018 at 08:21:42AM -0400, Derrick Stolee wrote:
> On 10/14/2018 10:19 PM, brian m. carlson wrote:
> > Since the commit-graph code wants to serialize the hash algorithm into
> > the data store, specify a version number for each supported algorithm.
> > Note that we don't use the values of the constants themselves, as they
> > are internal and could change in the future.
> > 
> > Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
> > ---
> >   commit-graph.c | 9 ++++++++-
> >   1 file changed, 8 insertions(+), 1 deletion(-)
> > 
> > diff --git a/commit-graph.c b/commit-graph.c
> > index 7a28fbb03f..e587c21bb6 100644
> > --- a/commit-graph.c
> > +++ b/commit-graph.c
> > @@ -45,7 +45,14 @@ char *get_commit_graph_filename(const char *obj_dir)
> >   static uint8_t oid_version(void)
> >   {
> > -	return 1;
> > +	switch (hash_algo_by_ptr(the_hash_algo)) {
> hash_algo_by_ptr is specified as an inline function in hash.h, so this leads
> to a linking error in jch and pu right now.
> 
> I think the fix is simply to add '#include "hash.h"' to the list of
> includes.

hash.h is already included by cache.h, so it should be present.  We
probably need to make it static.  I'll make that change; can you see if
it fixes the problem for you?
-- 
brian m. carlson: Houston, Texas, US
OpenPGP: https://keybase.io/bk2204