rocfft: split base outputs for hydra

Split the base derivation's outputs to hopefully avoid hydra failing the base due to the output limit and not continuing with the rest.
This and all hydra commits for rocfft and composable_kernel will be reverted if this does not work.

pkgs/development/libraries/rocfft/default.nix

@@ -19,6 +19,11 @@
 }:
 
 let
+  name-zero = "librocfft-device-0.so.0.1";
+  name-one = "librocfft-device-1.so.0.1";
+  name-two = "librocfft-device-2.so.0.1";
+  name-three = "librocfft-device-3.so.0.1";
+
   # This is over 3GB, to allow hydra caching we separate it
   rf = stdenv.mkDerivation (finalAttrs: {
     pname = "rocfft";
@@ -26,6 +31,10 @@ let
 
     outputs = [
       "out"
+      "libzero"
+      "libone"
+      "libtwo"
+      "libthree"
     ] ++ lib.optionals buildTests [
       "test"
     ] ++ lib.optionals buildBenchmarks [
@@ -80,7 +89,16 @@ let
       "-DBUILD_CLIENTS_SAMPLES=ON"
     ];
 
-    postInstall = lib.optionalString buildTests ''
+    postInstall = ''
+      mv $out/lib/${name-zero} $libzero
+      mv $out/lib/${name-one} $libone
+      mv $out/lib/${name-two} $libtwo
+      mv $out/lib/${name-three} $libthree
+      ln -s $libzero $out/lib/${name-zero}
+      ln -s $libone $out/lib/${name-one}
+      ln -s $libtwo $out/lib/${name-two}
+      ln -s $libthree $out/lib/${name-three}
+    '' + lib.optionalString buildTests ''
       mkdir -p $test/{bin,lib/fftw}
       cp -a $out/bin/* $test/bin
       ln -s ${fftw}/lib/libfftw*.so $test/lib/fftw
@@ -113,23 +131,31 @@ let
     };
   });
 
-  rf-zero = runCommand "librocfft-device-0.so.0.1" { preferLocalBuild = true; } ''
-    cp -a ${rf}/lib/$name $out
+  rf-zero = runCommand name-zero { preferLocalBuild = true; } ''
+    cp -a ${rf.libzero} $out
   '';
 
-  rf-one = runCommand "librocfft-device-1.so.0.1" { preferLocalBuild = true; } ''
-    cp -a ${rf}/lib/$name $out
+  rf-one = runCommand name-one { preferLocalBuild = true; } ''
+    cp -a ${rf.libone} $out
   '';
 
-  rf-two = runCommand "librocfft-device-2.so.0.1" { preferLocalBuild = true; } ''
-    cp -a ${rf}/lib/$name $out
+  rf-two = runCommand name-two { preferLocalBuild = true; } ''
+    cp -a ${rf.libtwo} $out
   '';
 
-  rf-three = runCommand "librocfft-device-3.so.0.1" { preferLocalBuild = true; } ''
-    cp -a ${rf}/lib/$name $out
+  rf-three = runCommand name-three { preferLocalBuild = true; } ''
+    cp -a ${rf.libthree} $out
   '';
 in stdenv.mkDerivation {
-  inherit (rf) pname version outputs src passthru meta;
+  inherit (rf) pname version src passthru meta;
+
+  outputs = [
+    "out"
+  ] ++ lib.optionals buildTests [
+    "test"
+  ] ++ lib.optionals buildBenchmarks [
+    "benchmark"
+  ];
 
   dontUnpack = true;
   dontPatch = true;
@@ -140,10 +166,10 @@ in stdenv.mkDerivation {
     runHook preInstall
 
     mkdir -p $out/lib
-    cp -as ${rf-zero} $out/lib/${rf-zero.name}
-    cp -as ${rf-one} $out/lib/${rf-one.name}
-    cp -as ${rf-two} $out/lib/${rf-two.name}
-    cp -as ${rf-three} $out/lib/${rf-three.name}
+    ln -sf ${rf-zero} $out/lib/${name-zero}
+    ln -sf ${rf-one} $out/lib/${name-one}
+    ln -sf ${rf-two} $out/lib/${name-two}
+    ln -sf ${rf-three} $out/lib/${name-three}
     cp -an ${rf}/* $out
   '' + lib.optionalString buildTests ''
     cp -a ${rf.test} $test