On Mar 1, 2021, at 1:54 PM, Cole Robinson <crobinso(a)redhat.com&gt; wrote: Example: ../src/hyperv/hyperv_driver.c:3007:54: error: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 7 has type ‘size_t’ {aka ‘unsigned int’} [-Werror=format=] 3007 | virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not attach serial port %lu"), i); Signed-off-by: Cole Robinson <crobinso(a)redhat.com&gt; --- Pushed src/hyperv/hyperv_driver.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c index 701456cdb3..e4f537bd12 100644 --- a/src/hyperv/hyperv_driver.c +++ b/src/hyperv/hyperv_driver.c @@ -3004,7 +3004,7 @@ hypervDomainDefineXML(virConnectPtr conn, const char *xml) /* Attach serials */ for (i = 0; i < def->nserials; i++) { if (hypervDomainAttachSerial(domain, def->serials[i]) < 0) { - virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not attach serial port %lu"), i); + virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not attach serial port %zu"), i); goto error; } } @@ -3012,7 +3012,7 @@ hypervDomainDefineXML(virConnectPtr conn, const char *xml) /* Attach networks */ for (i = 0; i < def->nnets; i++) { if (hypervDomainAttachSyntheticEthernetAdapter(domain, def->nets[i], hostname) < 0) { - virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not attach network %lu"), i); + virReportError(VIR_ERR_INTERNAL_ERROR, _("Could not attach network %zu"), i); goto error; } } -- 2.29.2