--- desmume-0.9.13/src/libretro-common/features/features_cpu.c.orig	2026-10-17 21:46:48.283050154 +0200
+++ desmume/src/libretro-common/features/features_cpu.c	2026-10-17 21:46:48.291153427 +0200
@@ -317,7 +317,7 @@ static void arm_enable_runfast_mode(void
 
 static unsigned char check_arm_cpu_feature(const char* feature)
 {
-#if __ARM_ARCH < 8
+#if defined(__ARM_ARCH) && __ARM_ARCH < 8
    uint64_t hwcap = getauxval(AT_HWCAP);
    if (!strcmp(feature, "neon"))
       return (hwcap & HWCAP_ARM_NEON) != 0;
@@ -326,7 +326,7 @@ static unsigned char check_arm_cpu_featu
    if (!strcmp(feature, "vfpv4"))
       return (hwcap & HWCAP_ARM_VFPv4) != 0;
    return 0;
-#elif __ARM_ARCH == 8
+#elif defined(__ARM_ARCH) && __ARM_ARCH == 8
    uint64_t hwcap = getauxval(AT_HWCAP);
    if (!strcmp(feature, "asimd"))
       return (hwcap & HWCAP_ASIMD) != 0;