From 37140aa9f724f2c5a7350f39108f0566cfd89d2b Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <anonymous.maarten@gmail.com>
Date: Tue, 21 Jan 2025 01:29:52 +0100
Subject: [PATCH] cmake: expand libunwind

---
 cmake/sdlchecks.cmake | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake
index 890e9186b7..d95cbfa3a1 100644
--- a/cmake/sdlchecks.cmake
+++ b/cmake/sdlchecks.cmake
@@ -1245,7 +1245,21 @@ endmacro()
 macro(CheckLibUnwind)
   if(TARGET SDL3_test)
     set(found_libunwind FALSE)
-    set(_libunwind_src "#include <libunwind.h>\nint main() {unw_context_t context; unw_getcontext(&context); return 0;}")
+    set(_libunwind_src [==[
+      #include <libunwind.h>
+      int main(int argc, char *argv[]) {
+        (void)argc; (void)argv;
+        unw_context_t context;
+        unw_cursor_t cursor;
+        unw_word_t pc;
+        char sym[256];
+        unw_word_t offset;
+        unw_getcontext(&context);
+        unw_step(&cursor);
+        unw_get_reg(&cursor, UNW_REG_IP, &pc);
+        unw_get_proc_name(&cursor, sym, sizeof(sym), &offset);
+        return 0;
+      }]==])
 
     if(NOT found_libunwind)
       cmake_push_check_state()