From 583fa7bb0ac9712df51669c5d5c06ec3e0197ac3 Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ed.ac.uk>
Date: Thu, 21 Aug 2025 22:00:12 +0100
Subject: [PATCH] FFTW guarded after CUDA adn HIP

---
 Grid/algorithms/FFT.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Grid/algorithms/FFT.h b/Grid/algorithms/FFT.h
index 1c0cc058..524a22d9 100644
--- a/Grid/algorithms/FFT.h
+++ b/Grid/algorithms/FFT.h
@@ -36,6 +36,7 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
 #include <hipfft/hipfft.h>
 #endif
 
+#if !defined(GRID_CUDA) && !defined(GRID_HIP)
 #ifdef HAVE_FFTW
 #if defined(USE_MKL) || defined(GRID_SYCL)
 #include <fftw/fftw3.h>
@@ -43,6 +44,7 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
 #include <fftw3.h>
 #endif
 #endif
+#endif
 
 NAMESPACE_BEGIN(Grid);
 
@@ -174,6 +176,7 @@ public:
 };
 #endif
 
+#if !defined(GRID_CUDA) && !defined(GRID_HIP)
 #ifdef HAVE_FFTW
 template<> struct FFTW<ComplexD> {
 public:
@@ -216,6 +219,7 @@ public:
   }
 };
 #endif
+#endif
 
 class FFT {
 private: