From 847429304e898221c3b239a5625d0010cc5a5dc9 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Wed, 20 Nov 2024 14:46:45 -0800
Subject: [PATCH] Check that AltiVec is enabled before using it

---
 common/pffft.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/pffft.cpp b/common/pffft.cpp
index fb26b847a7..36e965428a 100644
--- a/common/pffft.cpp
+++ b/common/pffft.cpp
@@ -98,7 +98,8 @@ namespace {
 /*
  * Altivec support macros
  */
-#if defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__) || defined(__powerpc64__)
+#if (defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__) || defined(__powerpc64__)) \
+    && (defined(__VEC__) || defined(__ALTIVEC__))
 #include <altivec.h>
 using v4sf = vector float;
 constexpr uint SimdSize{4};