Add RISC-V cross-compilation target for CI

.gitea/workflows/ci.yaml

@@ -12,4 +12,9 @@ jobs:
     runs-on: native
     steps:
       - uses: https://gitea.com/ScMi1/checkout@v1.4
-      - run: nix build -L --no-link --print-out-paths .#bsc-ci.all
+      - run: nix build -L --no-link --print-out-paths .#bsc.ci.all
+  build:cross:
+    runs-on: native
+    steps:
+      - uses: https://gitea.com/ScMi1/checkout@v1.4
+      - run: nix build -L --no-link --print-out-paths .#bsc.ci.cross

flake.nix

@@ -42,9 +42,7 @@ in
     # full nixpkgs with our overlay applied
     legacyPackages.${system} = pkgs;
 
-    hydraJobs = {
-      inherit (self.legacyPackages.${system}.bsc-ci) tests pkgs cross;
-    };
+    hydraJobs = self.legacyPackages.${system}.bsc.hydraJobs;
 
     # propagate nixpkgs lib, so we can do bscpkgs.lib
     inherit (nixpkgs) lib;

overlay.nix

@@ -96,10 +96,11 @@ let
 
   pkgs = filterAttrs (_: isDerivation) bscPkgs;
 
-  crossTargets = [ "riscv64" ];
-  cross = prev.lib.genAttrs crossTargets (target:
-    final.pkgsCross.${target}.bsc-ci.pkgs
-  );
+  # TODO: Native build in that platform doesn't imply cross build works
+  canCrossCompile = platform: pkg: (isDerivation pkg) && (meta.availableOn platform pkg);
+
+  # For now only RISC-V
+  crossSet = { riscv64 = final.pkgsCross.riscv64.bsc.pkgs; };
 
   buildList = name: paths:
     final.runCommandLocal name { } ''
@@ -113,22 +114,30 @@ let
       printf '%s\n' $deps >$out
     '';
 
-  crossList = builtins.mapAttrs (t: v: buildList t (builtins.attrValues v)) cross;
-
   pkgsList = buildList "ci-pkgs" (builtins.attrValues pkgs);
-  testList = buildList "ci-tests" (collect isDerivation tests);
-
-  all = buildList' "ci-all" [ pkgsList testList ];
+  testsList = buildList "ci-tests" (collect isDerivation tests);
+  allList = buildList' "ci-all" [ pkgsList testsList ];
+  # For now only RISC-V
+  crossList = buildList "ci-cross"
+    (filter
+      (canCrossCompile final.pkgsCross.riscv64.stdenv.hostPlatform)
+        (builtins.attrValues crossSet.riscv64));
 
 in bscPkgs // {
-  # Prevent accidental usage of bsc attribute
-  bsc = throw "the bsc attribute is deprecated, packages are now in the root";
+  # Prevent accidental usage of bsc-ci attribute
+  bsc-ci = throw "the bsc-ci attribute is deprecated, use bsc.ci";
 
   # Internal for our CI tests
-  bsc-ci = {
-    inherit pkgs pkgsList;
-    inherit tests testList;
-    inherit cross crossList;
-    inherit all;
+  bsc = {
+    # CI targets for nix build
+    ci = { pkgs = pkgsList; tests = testsList; all = allList; cross = crossList; };
+
+    # Direct access to package sets
+    tests = tests;
+    pkgs = bscPkgs;
+    cross = crossSet;
+
+    # Hydra uses attribute sets of pkgs
+    hydraJobs = { tests = tests; pkgs = bscPkgs; cross = crossSet; };
   };
 }

pkgs/amd-uprof/default.nix

@@ -86,4 +86,7 @@ in
       patchelf --add-needed libnuma.so $out/bin/AMDuProfPcm
       set +x
     '';
+    meta = {
+      platforms = [ "x86_64-linux" ];
+    };
   }

pkgs/amd-uprof/driver.nix

@@ -28,6 +28,6 @@ in stdenv.mkDerivation {
   meta = {
     description = "AMD Power Profiler Driver";
     homepage = "https://www.amd.com/es/developer/uprof.html";
-    platforms = lib.platforms.linux;
+    platforms = [ "x86_64-linux" ];
   };
 }

pkgs/cudainfo/default.nix

@@ -40,4 +40,5 @@ stdenv.mkDerivation (finalAttrs: {
     '';
     installPhase = "touch $out";
   };
+  meta.platforms = [ "x86_64-linux" ];
 })