From 72f1ac3780964c0cd4c11a1cb6c7232be2c0e0f1 Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Sun, 9 Feb 2025 18:29:02 +0300
Subject: [PATCH] wscript: ensure system-wide libbacktrace supports threads

---
 wscript | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/wscript b/wscript
index 6f355f4d..589ef51f 100644
--- a/wscript
+++ b/wscript
@@ -487,7 +487,10 @@ def configure(conf):
 	if not conf.options.BUILD_BUNDLED_DEPS:
 		frag='''#include <backtrace.h>
 #include <backtrace-supported.h>
-int main(int argc, char **argv) { return backtrace_create_state( argv[0], BACKTRACE_SUPPORTS_THREADS, 0, 0 ) != 0; }'''
+#if !BACKTRACE_SUPPORTS_THREADS
+#error
+#endif
+int main(int argc, char **argv) { return backtrace_create_state(argv[0], 1, 0, 0) != 0; }'''
 
 		conf.env.HAVE_SYSTEM_LIBBACKTRACE = conf.check_cc(lib='backtrace', fragment=frag, uselib_store='backtrace', mandatory=False)