From 8aa7e8b7a99aa8dfbfbab2944dcdccffeed10172 Mon Sep 17 00:00:00 2001
From: Scott Wolchok <swolchok@meta.com>
Date: Fri, 13 Jun 2025 13:19:03 -0700
Subject: [PATCH] Define ET_HAS_EXCEPTIONS macro

Pull Request resolved: https://github.com/pytorch/executorch/pull/11603

To support passing ET_USE_PYTORCH_HEADERS only when exceptions are enabled.
ghstack-source-id: 290334875
@exported-using-ghexport

Differential Revision: [D76470039](https://our.internmc.facebook.com/intern/diff/D76470039/)
---
 runtime/platform/compiler.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/runtime/platform/compiler.h b/runtime/platform/compiler.h
index 7467d5c1e04..864b76e2050 100644
--- a/runtime/platform/compiler.h
+++ b/runtime/platform/compiler.h
@@ -171,6 +171,14 @@
 using ssize_t = ptrdiff_t;
 #endif
 
+#ifdef __EXCEPTIONS
+#define ET_HAS_EXCEPTIONS 1
+#elif defined(_HAS_EXCEPTIONS) && _HAS_EXCEPTIONS
+#define ET_HAS_EXCEPTIONS 1
+#else
+#define ET_HAS_EXCEPTIONS 0
+#endif
+
 // DEPRECATED: Use the non-underscore-prefixed versions instead.
 // TODO(T199005537): Remove these once all users have stopped using them.
 #define __ET_DEPRECATED ET_DEPRECATED