From c6d3f3d8ce123e2063d3274d93a5abbe880bb388 Mon Sep 17 00:00:00 2001
From: Joseph Gershgorin <jgershgorin@biocentury.com>
Date: Fri, 5 Dec 2025 17:51:48 -0800
Subject: [PATCH 1/2] Stub DEFAULT_BUILDBOT_SERVER_URL value for MSYS2 Windows
 ARM

---
 config.def.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/config.def.h b/config.def.h
index 3976a23c1bc6..89d0fa4ab2a1 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1849,6 +1849,9 @@
 #define DEFAULT_BUILDBOT_SERVER_URL "http://buildbot.libretro.com/nightly/windows/x86_64/latest/"
 #elif defined(__i386__) || defined(__i486__) || defined(__i686__) || defined(_M_IX86) || defined(_M_IA64)
 #define DEFAULT_BUILDBOT_SERVER_URL "http://buildbot.libretro.com/nightly/windows/x86/latest/"
+#elif defined(__aarch64__) || defined(_M_ARM64)
+/* No official MinGW/clang ARM64 buildbot yet – use empty default */
+#define DEFAULT_BUILDBOT_SERVER_URL ""
 #endif
 #endif
 #elif defined(__linux__)

From 96d90470600a42ebd0234aabe2eb42bc26adfc64 Mon Sep 17 00:00:00 2001
From: Joseph Gershgorin <jgershgorin@biocentury.com>
Date: Fri, 5 Dec 2025 18:28:19 -0800
Subject: [PATCH 2/2] Windows ARM64 MYSYS compile fixes for timing.c

---
 deps/mbedtls/timing.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/deps/mbedtls/timing.c b/deps/mbedtls/timing.c
index 2ca0f75ecc53..f32e4c81f543 100644
--- a/deps/mbedtls/timing.c
+++ b/deps/mbedtls/timing.c
@@ -43,6 +43,13 @@
 #include <windows.h>
 #include <winbase.h>
 
+#if defined(__MINGW32__) || defined(__MINGW64__)
+/* MSYS2/MinGW: provide struct timeval + gettimeofday() for the
+ * fallback timing implementation used when HAVE_HARDCLOCK
+ * isn't defined (e.g., on aarch64-w64-mingw32 / clangarm64). */
+#include <sys/time.h>
+#endif
+
 struct _hr_time
 {
     LARGE_INTEGER start;