If the same source gets built twice the resulting files may differ.
One example is this:
...
[ 305s] /usr/bin/perl -w ./rpc/genprotocol.pl /usr/bin/rpcgen -c \
[ 305s] remote/remote_protocol.x ./remote/remote_protocol.c
...
[ 577s]
/usr/src/debug/libvirt-20150929T082652.68572de/src/remote/remote_protocol.c
differs (C source, ASCII text)
[ 577s] ---
old//usr/src/debug/libvirt-20150929T082652.68572de/src/remote/remote_protocol.c
2015-09-30 11:34:31.000000000 +0000
[ 577s] +++
new//usr/src/debug/libvirt-20150929T082652.68572de/src/remote/remote_protocol.c
2015-09-30 14:57:39.000000000 +0000
[ 577s] @@ -2084,8 +2084,8 @@
[ 577s] bool_t
[ 577s] xdr_remote_domain_get_vcpus_ret (XDR *xdrs,
remote_domain_get_vcpus_ret *objp)
[ 577s] {
[ 577s] - char **objp_cpp1 = (char **) (void *)
&objp->cpumaps.cpumaps_val;
[ 577s] char **objp_cpp0 = (char **) (void *) &objp->info.info_val;
[ 577s] + char **objp_cpp1 = (char **) (void *)
&objp->cpumaps.cpumaps_val;
[ 577s]
[ 577s] if (!xdr_array (xdrs, objp_cpp0, (u_int *)
&objp->info.info_len, REMOTE_VCPUINFO_MAX,
[ 577s] sizeof (remote_vcpu_info), (xdrproc_t)
xdr_remote_vcpu_info))
...
The input is like:
bool_t
xdr_remote_domain_get_vcpus_ret (XDR *xdrs, remote_domain_get_vcpus_ret *objp)
{
register int32_t *buf;
if (!xdr_array (xdrs, (char **)&objp->info.info_val, (u_int *)
&objp->info.info_len, REMOTE_VCPUINFO_MAX,
sizeof (remote_vcpu_info), (xdrproc_t) xdr_remote_vcpu_info))
return FALSE;
if (!xdr_bytes (xdrs, (char **)&objp->cpumaps.cpumaps_val, (u_int *)
&objp->cpumaps.cpumaps_len, REMOTE_CPUMAPS_MAX))
return FALSE;
return TRUE;
}
Looks like the perl script transforms the pointers, but it does not sort them
to enforce an order. I think its the map() which does it, but dont know enough
perl to be sure. How can this be fixed?
Olaf
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