Re: [libvirt PATCH] Set -Wno-incompatible-pointer-types-discards-qualifiers
On Thu, 2020-11-12 at 09:41 +0000, Daniel P. Berrangé wrote:
With CLang we're getting failures from cats in GLib macros
s/CLang/Clang/
../dist-unpack/libvirt-6.10.0/src/util/vireventthread.c:35:1:
error: passing 'typeof (*(&g_define_type_id__volatile)) *'
(aka 'volatile unsigned long *') to parameter of type
'gsize *' (aka 'unsigned long *') discards qualifiers
[-Werror,-Wincompatible-pointer-types-discards-qualifiers]
G_DEFINE_TYPE(virEventThread, vir_event_thread, G_TYPE_OBJECT)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The cast is valid and there's no way for libvirt to workaround
the issue, so we must disable this CLang warning flag.
Same here.
+++ b/meson.build
@@ -405,6 +405,9 @@ cc_flags += [
# so use this CLang-specific arg to keep it quiet
'-Wno-typedef-redefinition',
+ # CLang complains about casts in G_DEFINE_TYPE(...)
+ '-Wno-incompatible-pointer-types-discards-qualifiers',
And here.
Reviewed-by: Andrea Bolognani <abologna(a)redhat.com>
Was the issue reported against GLib?
--
Andrea Bolognani / Red Hat / Virtualization