diff mbox series

[v2,4/5] configure: Disable -Wtautological-type-limit-compare

Message ID 20200610203942.887374-5-richard.henderson@linaro.org (mailing list archive)
State New, archived
Headers show
Series Vs clang-10 and gcc-9 warnings | expand

Commit Message

Richard Henderson June 10, 2020, 8:39 p.m. UTC 
Clang 10 enables this by default with -Wtype-limit.

All of the instances flagged by this Werror so far have been
cases in which we really do want the compiler to optimize away
the test completely.  Disabling the warning will avoid having
to add ifdefs to work around this.

Cc: Eric Blake <eblake@redhat.com>
Fixes: https://bugs.launchpad.net/qemu/+bug/1878628
Acked-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Use the new add_to function.
---
 configure | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/configure b/configure
index 464202e375..8b33447048 100755
--- a/configure
+++ b/configure
@@ -2035,6 +2035,7 @@  add_to nowarn_flags -Wno-missing-include-dirs
 add_to nowarn_flags -Wno-shift-negative-value
 add_to nowarn_flags -Wno-string-plus-int
 add_to nowarn_flags -Wno-typedef-redefinition
+add_to nowarn_flags -Wno-tautological-type-limit-compare
 
 gcc_flags="$warn_flags $nowarn_flags"