graphene-config: Enable NEON for AArch64 on Linux
NEON is fully supported by AArch64. However, GCC doesn't seem to define
__ARM_NEON__ or _M_ARM64 for AArch64.
Using __aarch64__ should allow a proper detection of this case.
@@ -19,7 +19,7 @@ extern "C" {
#mesondefine GRAPHENE_HAS_SSE
# endif
-# if defined(__ARM_NEON__) || defined (_M_ARM64)
+# if defined(__ARM_NEON__) || defined (_M_ARM64) || defined (__aarch64__)
#mesondefine GRAPHENE_HAS_ARM_NEON
# endif
