Clang's gnu99 mode is not quite the same as GCC's. It will complain
about redefined typedefs being a C11 feature, while GCC does not
complain and allows them in GNU99.
Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
---
Technically a build breaker fix, but given my track record of
breaking the build today/yestday, lets have a reviewer approve :-)
m4/virt-compile-warnings.m4 | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/m4/virt-compile-warnings.m4 b/m4/virt-compile-warnings.m4
index 26f231f97e..4f9eee121c 100644
--- a/m4/virt-compile-warnings.m4
+++ b/m4/virt-compile-warnings.m4
@@ -125,6 +125,10 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[
# We do "bad" function casts all the time for event callbacks
wantwarn="$wantwarn -Wno-cast-function-type"
+ # CLang incorrectly complains about dup typedefs win gnu99 mode
+ # so use this CLang-specific arg to keep it quiet
+ wantwarn="$wantwarn -Wno-typedef-redefinition"
+
# GNULIB expects this to be part of -Wc++-compat, but we turn
# that one off, so we need to manually enable this again
wantwarn="$wantwarn -Wjump-misses-init"
--
2.21.0
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