cuda-modules: apply lessons learned from cross-compilation attempts

pkgs/development/cuda-modules/backend-stdenv.nix

@@ -1,11 +1,9 @@
 {
+  cudaVersion,
   lib,
   nvccCompatibilities,
-  cudaVersion,
   pkgs,
-  overrideCC,
   stdenv,
-  wrapCCWith,
   stdenvAdapters,
 }:
 

pkgs/development/cuda-modules/cuda-library-samples/extension.nix

@@ -1,5 +1,7 @@
-{ hostPlatform, lib }:
+{ lib, stdenv }:
 let
+  inherit (stdenv) hostPlatform;
+
   # Samples are built around the CUDA Toolkit, which is not available for
   # aarch64. Check for both CUDA version and platform.
   platformIsSupported = hostPlatform.isx86_64 && hostPlatform.isLinux;

pkgs/development/cuda-modules/cuda-library-samples/generic.nix

@@ -76,7 +76,7 @@ in
       # CUTENSOR_ROOT is double escaped
       postPatch = ''
         substituteInPlace CMakeLists.txt \
-          --replace "\''${CUTENSOR_ROOT}/include" "${cutensor.dev}/include"
+          --replace-fail "\''${CUTENSOR_ROOT}/include" "${cutensor.dev}/include"
       '';
 
       CUTENSOR_ROOT = cutensor;

pkgs/development/cuda-modules/cuda-samples/extension.nix

@@ -1,7 +1,7 @@
 {
   cudaVersion,
-  hostPlatform,
   lib,
+  stdenv,
 }:
 let
   cudaVersionToHash = {
@@ -23,6 +23,8 @@ let
     "12.3" = "sha256-fjVp0G6uRCWxsfe+gOwWTN+esZfk0O5uxS623u0REAk=";
   };
 
+  inherit (stdenv) hostPlatform;
+
   # Samples are built around the CUDA Toolkit, which is not available for
   # aarch64. Check for both CUDA version and platform.
   cudaVersionIsSupported = cudaVersionToHash ? ${cudaVersion};

pkgs/development/cuda-modules/cuda-samples/generic.nix

@@ -11,6 +11,7 @@
   hash,
   lib,
   pkg-config,
+  stdenv,
 }:
 let
   inherit (lib) lists strings;
@@ -63,7 +64,7 @@ backendStdenv.mkDerivation (finalAttrs: {
   installPhase = ''
     runHook preInstall
 
-    install -Dm755 -t $out/bin bin/${backendStdenv.hostPlatform.parsed.cpu.name}/${backendStdenv.hostPlatform.parsed.kernel.name}/release/*
+    install -Dm755 -t $out/bin bin/${stdenv.hostPlatform.parsed.cpu.name}/${stdenv.hostPlatform.parsed.kernel.name}/release/*
 
     runHook postInstall
   '';