diff --git a/compiler-rt/lib/gwp_asan/options.inc b/compiler-rt/lib/gwp_asan/options.inc
--- a/compiler-rt/lib/gwp_asan/options.inc
+++ b/compiler-rt/lib/gwp_asan/options.inc
@@ -10,7 +10,16 @@
 #error "Define GWP_ASAN_OPTION prior to including this file!"
 #endif
 
-GWP_ASAN_OPTION(bool, Enabled, true, "Is GWP-ASan enabled? Defaults to true.")
+#ifndef GWP_ASAN_DEFAULT_ENABLED
+#define GWP_ASAN_DEFAULT_ENABLED true
+#endif
+#ifndef GWP_ASAN_DEFAULT_ENABLED_STRING
+#define GWP_ASAN_DEFAULT_ENABLED_STRING GWP_ASAN_DEFAULT_ENABLED_STRING_HELPER(GWP_ASAN_DEFAULT_ENABLED)
+#define GWP_ASAN_DEFAULT_ENABLED_STRING_HELPER(x) #x
+#endif
+
+GWP_ASAN_OPTION(bool, Enabled, GWP_ASAN_DEFAULT_ENABLED,
+                "Is GWP-ASan enabled? Defaults to " GWP_ASAN_DEFAULT_ENABLED_STRING ".")
 
 GWP_ASAN_OPTION(
     bool, PerfectlyRightAlign, false,