XXX undefined symbol backtrace even with USE_LIBBACKTRACE=OFF

Index: Source/bmalloc/libpas/src/libpas/pas_probabilistic_guard_malloc_allocator.c
--- Source/bmalloc/libpas/src/libpas/pas_probabilistic_guard_malloc_allocator.c.orig
+++ Source/bmalloc/libpas/src/libpas/pas_probabilistic_guard_malloc_allocator.c
@@ -44,7 +44,7 @@
 #endif
 
 /* PlayStation does not currently support the backtrace API. Android API versions < 33 don't, either. Windows does not either. Linux only with GLibc and not uCLibc/Musl. */
-#if (PAS_OS(ANDROID) && __ANDROID_API__ >= 33) || PAS_OS(DARWIN) || (PAS_OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))
+#if (PAS_OS(ANDROID) && __ANDROID_API__ >= 33) || PAS_OS(DARWIN) || (PAS_OS(LINUX) && defined(__GLIBC__) && !defined(__UCLIBC__))  && !PAS_OS(OPENBSD)
 #include <execinfo.h>
 #else
 size_t backtrace(void** buffer, size_t size)
