From 4179e19ecd060b1086ef97eb87fe8a98766a9df1 Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Sat, 13 Dec 2025 00:17:42 +0100
Subject: [PATCH 1/3] fftw: fix structuredAttrs

---
 pkgs/by-name/ff/fftw/package.nix | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/pkgs/by-name/ff/fftw/package.nix b/pkgs/by-name/ff/fftw/package.nix
index 1e08014e8fce..3d3678210441 100644
--- a/pkgs/by-name/ff/fftw/package.nix
+++ b/pkgs/by-name/ff/fftw/package.nix
@@ -66,9 +66,15 @@ stdenv.mkDerivation (finalAttrs: {
   ++ lib.optional (precision != "double") "--enable-${precision}"
   # https://www.fftw.org/fftw3_doc/SIMD-alignment-and-fftw_005fmalloc.html
   # FFTW will try to detect at runtime whether the CPU supports these extensions
-  ++ lib.optional (
-    stdenv.hostPlatform.isx86_64 && (precision == "single" || precision == "double")
-  ) "--enable-sse2 --enable-avx --enable-avx2 --enable-avx512 --enable-avx128-fma"
+  ++
+    lib.optionals (stdenv.hostPlatform.isx86_64 && (precision == "single" || precision == "double"))
+      [
+        "--enable-sse2"
+        "--enable-avx"
+        "--enable-avx2"
+        "--enable-avx512"
+        "--enable-avx128-fma"
+      ]
   ++ lib.optionals enableMpi [
     "--enable-mpi"
     # link libfftw3_mpi explicitly with -lmpi
@@ -92,6 +98,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   passthru.tests.pkg-config = testers.testMetaPkgConfig finalAttrs.finalPackage;
 
+  __structuredAttrs = true;
+
   meta = {
     description = "Fastest Fourier Transform in the West library";
     homepage = "https://www.fftw.org/";

From c9821405d3762a7212729241bff489e8eb99f661 Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Sat, 13 Dec 2025 00:18:07 +0100
Subject: [PATCH 2/3] fftw: use 'hash', fix deprecation warning

---
 pkgs/by-name/ff/fftw/package.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/ff/fftw/package.nix b/pkgs/by-name/ff/fftw/package.nix
index 3d3678210441..1ea58f8fa362 100644
--- a/pkgs/by-name/ff/fftw/package.nix
+++ b/pkgs/by-name/ff/fftw/package.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation (finalAttrs: {
       "https://fftw.org/fftw-${finalAttrs.version}.tar.gz"
       "ftp://ftp.fftw.org/pub/fftw/fftw-${finalAttrs.version}.tar.gz"
     ];
-    sha256 = "sha256-VskyVJhSzdz6/as4ILAgDHdCZ1vpIXnlnmIVs0DiZGc=";
+    hash = "sha256-VskyVJhSzdz6/as4ILAgDHdCZ1vpIXnlnmIVs0DiZGc=";
   };
 
   patches = [
@@ -89,7 +89,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   # fftw builds with -mtune=native by default
   postPatch = ''
-    substituteInPlace configure --replace "-mtune=native" "-mtune=generic"
+    substituteInPlace configure --replace-fail "-mtune=native" "-mtune=generic"
   '';
 
   enableParallelBuilding = true;

From 2d9e255fd1ac41308eebc0b8272eb1bfabb85039 Mon Sep 17 00:00:00 2001
From: Stefan Frijters <sfrijters@gmail.com>
Date: Sat, 13 Dec 2025 00:18:27 +0100
Subject: [PATCH 3/3] fftw: enable strictDeps

---
 pkgs/by-name/ff/fftw/package.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/ff/fftw/package.nix b/pkgs/by-name/ff/fftw/package.nix
index 1ea58f8fa362..ae56ad4b321c 100644
--- a/pkgs/by-name/ff/fftw/package.nix
+++ b/pkgs/by-name/ff/fftw/package.nix
@@ -92,6 +92,7 @@ stdenv.mkDerivation (finalAttrs: {
     substituteInPlace configure --replace-fail "-mtune=native" "-mtune=generic"
   '';
 
+  strictDeps = true;
   enableParallelBuilding = true;
 
   nativeCheckInputs = [ perl ];