diff --git a/third_party/raw_pdb/src/Foundation/PDB_Assert.h b/third_party/raw_pdb/src/Foundation/PDB_Assert.h
index 6991e06..cef2116 100644
--- a/third_party/raw_pdb/src/Foundation/PDB_Assert.h
+++ b/third_party/raw_pdb/src/Foundation/PDB_Assert.h
@@ -11,10 +11,14 @@ PDB_PUSH_WARNING_CLANG
 PDB_DISABLE_WARNING_CLANG("-Wgnu-zero-variadic-macro-arguments")
 PDB_DISABLE_WARNING_CLANG("-Wreserved-identifier")
 
-extern "C" void __cdecl __debugbreak(void);
-
 #if PDB_COMPILER_MSVC
+extern "C" void __cdecl __debugbreak(void);
 #	pragma intrinsic(__debugbreak)
+#elif defined(__has_builtin) && __has_builtin(__builtin_debugtrap)
+#	define __debugbreak()	__builtin_debugtrap()
+#else
+#	include <signal.h>
+#	define __debugbreak()	raise(SIGTRAP)
 #endif