The non-Linux version of virHostCPUGetPhysAddrSize() is lacking G_GNUC_UNUSED attribute to its @size argument which triggers an error on all non-Linux builds. And while at it, make the function actually signal error (ENOSYS) since it does not set the argument. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- Pushed as build breaker fix. src/util/virhostcpu.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/util/virhostcpu.c b/src/util/virhostcpu.c index 3a02e224e8..54d0166b85 100644 --- a/src/util/virhostcpu.c +++ b/src/util/virhostcpu.c @@ -1672,9 +1672,10 @@ virHostCPUGetSignature(char **signature) } int -virHostCPUGetPhysAddrSize(unsigned int *size) +virHostCPUGetPhysAddrSize(unsigned int *size G_GNUC_UNUSED) { - return 0; + errno = ENOSYS; + return -1; } #endif /* __linux__ */ -- 2.35.1