From 876287bf1ebf88d5f84b9eeb9452b2e01ff54f04 Mon Sep 17 00:00:00 2001
From: Yuuichi Asahi <y.asahi@nr.titech.ac.jp>
Date: Thu, 4 Jul 2024 16:01:11 +0900
Subject: [PATCH] Add maybe_unused for fftw backend

---
 fft/src/KokkosFFT_OpenMP_plans.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fft/src/KokkosFFT_OpenMP_plans.hpp b/fft/src/KokkosFFT_OpenMP_plans.hpp
index 50464c83..0b3f9883 100644
--- a/fft/src/KokkosFFT_OpenMP_plans.hpp
+++ b/fft/src/KokkosFFT_OpenMP_plans.hpp
@@ -73,7 +73,8 @@ auto _create(const ExecutionSpace& exec_space, std::unique_ptr<PlanType>& plan,
 
   // For the moment, considering the contiguous layout only
   int istride = 1, ostride = 1;
-  auto sign = KokkosFFT::Impl::direction_type<ExecutionSpace>(direction);
+  [[maybe_unused]] auto sign =
+      KokkosFFT::Impl::direction_type<ExecutionSpace>(direction);
 
   plan = std::make_unique<PlanType>();
   if constexpr (type == KokkosFFT::Impl::FFTWTransformType::R2C) {