[libvirt] [dbus PATCH] m4: disable gcc8 -Wcast-function-type warnings from -Wextra
GLib uses macros to create cleanup functions that are used by
g_auto or g_autoptr macros. They expect a function defined as
"void (*)(void *)" which is usually not that case.
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
Pushed under build-breaker rule.
m4/virt-compile-warnings.m4 | 2 ++
1 file changed, 2 insertions(+)
diff --git a/m4/virt-compile-warnings.m4 b/m4/virt-compile-warnings.m4
index f6ab795..6ece136 100644
--- a/m4/virt-compile-warnings.m4
+++ b/m4/virt-compile-warnings.m4
@@ -160,6 +160,8 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[
# Need -fipa-pure-const in order to make -Wsuggest-attribute=pure
# fire even without -O.
wantwarn="$wantwarn -fipa-pure-const"
+ # We do "bad" function cast to define glib auto cleanup functions
+ wantwarn="$wantwarn -Wno-cast-function-type"
if test "$enable_werror" = "yes"
then
--
2.14.3