On Fri, Aug 11, 2017 at 05:25:32PM +0100, Daniel P. Berrange wrote:
When building libvirt with clang we get bogus warnings about
'double' being promoted to 'long double' when calling isnan().
https://bugzilla.redhat.com/show_bug.cgi?id=1472437
Detect this broken isnan() / compiler combination and disable
the -Wdouble-promotion flag.
Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com>
---
m4/virt-compile-warnings.m4 | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
Reviewed-by: Pavel Hrdina <phrdina(a)redhat.com>