1 files changed, 13 insertions, 1 deletions
diff --git a/meson.build b/meson.build
index 97f63aa86c..c2a050b844 100644
--- a/meson.build
+++ b/meson.build
@@ -649,7 +649,19 @@ warn_flags = [
 ]
 
 if host_os != 'darwin'
-  warn_flags += ['-Wthread-safety']
+  tsa_has_cleanup = cc.compiles('''
+    struct __attribute__((capability("mutex"))) mutex {};
+    void lock(struct mutex *m) __attribute__((acquire_capability(m)));
+    void unlock(struct mutex *m) __attribute__((release_capability(m)));
+
+    void test(void) {
+      struct mutex __attribute__((cleanup(unlock))) m;
+      lock(&m);
+    }
+  ''', args: ['-Wthread-safety', '-Werror'])
+  if tsa_has_cleanup
+    warn_flags += ['-Wthread-safety']
+  endif
 endif
 
 # Set up C++ compiler flags