On 02/03/2026 15:00, Yodel Eldar wrote:
From: Yodel Eldar <[email protected]>
Builds with --enable-{asan,tsan,stack-trace} fail under GCC, so use
Oops, s/stack-trace/safe-stack/
clang if available, otherwise disable the treatment of warnings as
errors.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/3006
Suggested-by: Peter Maydell <[email protected]>
Signed-off-by: Yodel Eldar <[email protected]>
---
I didn't see ubsan break builds with GCC, so I excluded it from the
check, but maybe we want to preemptively include it, too?
Please review.
Link:
https://lore.kernel.org/qemu-devel/cafeaca88hc4usgpupxbwpben0tw26159kpn7jx2j9erba5d...@mail.gmail.com/
Thanks,
Yodel
---
configure | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index 5e114acea2..0b75b8bb93 100755
--- a/configure
+++ b/configure
@@ -762,6 +762,12 @@ for opt do
;;
--wasm64-32bit-address-limit)
;;
+ --enable-asan) asan="yes"
+ ;;
+ --enable-tsan) tsan="yes"
+ ;;
+ --enable-safe-stack) safe_stack="yes"
+ ;;
# everything else has the same name in configure and meson
--*) meson_option_parse "$opt" "$optarg"
;;
@@ -771,6 +777,20 @@ for opt do
esac
done
+if test "$asan" = "yes" || test "$tsan" = "yes" || \
+ test "$safe_stack" = "yes"
+then
+ if has clang; then
+ echo "Sanitizer requested: setting compiler suite to clang"
+ cc=clang
+ cxx=clang++
+ host_cc=clang
+ else
+ echo "Sanitizer requested: disabling Werror for non-clang compilers"
+ force_disable_werror="yes"
+ fi
+fi
+
if ! test -e "$source_path/.git"
then
git_submodules_action="validate"
@@ -1890,7 +1910,8 @@ if test "$skip_meson" = no; then
echo "# environment defaults, can still be overridden on " >> $cross
echo "# the command line" >> $cross
if test -e "$source_path/.git" && \
- { test "$host_os" = linux || test "$host_os" = "windows"; }; then
+ { test "$host_os" = linux || test "$host_os" = "windows"; } && \
+ test "$force_disable_werror" != "yes"; then
echo 'werror = true' >> $cross
fi
echo "[project options]" >> $cross
