From 8d68f88507166dbf1863be20bc3f16abd23b3cd5 Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Wed, 17 Apr 2024 15:05:19 -0700
Subject: [PATCH] Improved target_clones logic [skip ci]

---
 src/vector.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/vector.c b/src/vector.c
index 185df27..351e288 100644
--- a/src/vector.c
+++ b/src/vector.c
@@ -34,7 +34,14 @@
 #define CreateStateDatums(dim) palloc(sizeof(Datum) * (dim + 1))
 
 /* target_clones requires glibc */
-#if defined(__x86_64__) && defined(__gnu_linux__) && defined(__has_attribute) && __has_attribute(target_clones) && !defined(__FMA__)
+#if defined(__gnu_linux__) && defined(__has_attribute)
+/* Use separate line for portability */
+#if __has_attribute(target_clones)
+#define HAVE_TARGET_CLONES
+#endif
+#endif
+
+#if defined(__x86_64__) && HAVE_TARGET_CLONES && !defined(__FMA__)
 #define VECTOR_DISPATCH __attribute__((target_clones("default", "fma")))
 #else
 #define VECTOR_DISPATCH