Do not force derviation inputs, use booleans instead

In order to send email, the gitea user needs to be in the mail-robot
group.

Fixes: #220
Reviewed-by: Aleix Boné <abonerib@bsc.es>

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1764522689,
-        "narHash": "sha256-SqUuBFjhl/kpDiVaKLQBoD8TLD+/cTUzzgVFoaHrkqY=",
+        "lastModified": 1767634882,
+        "narHash": "sha256-2GffSfQxe3sedHzK+sTKlYo/NTIAGzbFCIsNMUPAAnk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8bb5646e0bed5dbd3ab08c7a7cc15b75ab4e1d0f",
+        "rev": "3c9db02515ef1d9b6b709fc60ba9a540957f661c",
         "type": "github"
       },
       "original": {

m/apex/configuration.nix

@@ -57,6 +57,18 @@
     };
   };
 
+  services.fail2ban = {
+    enable = true;
+    maxretry = 5;
+    bantime-increment = {
+      enable = true; # Double ban time on each attack
+      maxtime = "7d"; # Ban up to a week
+    };
+  };
+
+  # Disable SSH login with password, allow only keypair
+  services.openssh.settings.PasswordAuthentication = false;
+
   networking.firewall = {
     extraCommands = ''
       # Blackhole BSC vulnerability scanner (OpenVAS) as it is spamming our

m/bay/configuration.nix

@@ -24,7 +24,7 @@
       address = "10.0.40.40";
       prefixLength = 24;
     } ];
-    interfaces.ibp5s0.ipv4.addresses = [ {
+    interfaces.ibs785.ipv4.addresses = [ {
       address = "10.0.42.40";
       prefixLength = 24;
     } ];

m/common/base/users.nix

@@ -139,6 +139,7 @@
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKGt0ESYxekBiHJQowmKpfdouw0hVm3N7tUMtAaeLejK vincent@varch"
         ];
+        shell = pkgs.zsh;
       };
 
       pmartin1 = {

m/eudy/kernel/perf.nix

@@ -1,11 +1,6 @@
-{ config, pkgs, lib, ... }:
+{ pkgs, lib, ... }:
 
 {
-  # add the perf tool
-  environment.systemPackages = with pkgs; [
-    config.boot.kernelPackages.perf
-  ];
-
   # allow non-root users to read tracing data from the kernel
   boot.kernel.sysctl."kernel.perf_event_paranoid" = -2;
   boot.kernel.sysctl."kernel.kptr_restrict" = 0;

m/hut/configuration.nix

@@ -45,7 +45,7 @@
       address = "10.0.40.7";
       prefixLength = 24;
     } ];
-    interfaces.ibp5s0.ipv4.addresses = [ {
+    interfaces.ibs785.ipv4.addresses = [ {
       address = "10.0.42.7";
       prefixLength = 24;
     } ];

m/lake2/configuration.nix

@@ -46,7 +46,7 @@
       address = "10.0.40.42";
       prefixLength = 24;
     } ];
-    interfaces.ibp5s0.ipv4.addresses = [ {
+    interfaces.ibs785.ipv4.addresses = [ {
       address = "10.0.42.42";
       prefixLength = 24;
     } ];

m/owl1/configuration.nix

@@ -20,7 +20,7 @@
       address = "10.0.40.1";
       prefixLength = 24;
     } ];
-    interfaces.ibp5s0.ipv4.addresses = [ {
+    interfaces.ibs785.ipv4.addresses = [ {
       address = "10.0.42.1";
       prefixLength = 24;
     } ];

m/owl2/configuration.nix

@@ -21,7 +21,7 @@
       prefixLength = 24;
     } ];
     # Watch out! The OmniPath device is not in the same place here:
-    interfaces.ibp129s0.ipv4.addresses = [ {
+    interfaces.ibs801.ipv4.addresses = [ {
       address = "10.0.42.2";
       prefixLength = 24;
     } ];

m/tent/gitea.nix

@@ -27,4 +27,7 @@
       };
     };
   };
+
+  # Allow gitea user to send mail
+  users.users.gitea.extraGroups = [ "mail-robot" ];
 }

overlay.nix

@@ -12,18 +12,14 @@ let
     bench6 = callPackage ./pkgs/bench6/default.nix { };
     bigotes = callPackage ./pkgs/bigotes/default.nix { };
     clangOmpss2 = callPackage ./pkgs/llvm-ompss2/default.nix { };
-    clangOmpss2Nanos6 = callPackage ./pkgs/llvm-ompss2/default.nix { ompss2rt = final.nanos6; };
-    clangOmpss2Nodes = callPackage ./pkgs/llvm-ompss2/default.nix { ompss2rt = final.nodes; openmp = final.openmp; };
-    clangOmpss2NodesOmpv = callPackage ./pkgs/llvm-ompss2/default.nix { ompss2rt = final.nodes; openmp = final.openmpv; };
+    clangOmpss2Nanos6 = callPackage ./pkgs/llvm-ompss2/default.nix { useNanos6 = true; };
+    clangOmpss2Nodes = callPackage ./pkgs/llvm-ompss2/default.nix { useNodes = true; useOpenmp = true; };
+    clangOmpss2NodesOmpv = callPackage ./pkgs/llvm-ompss2/default.nix { useNodes = true; useOpenmpV = true; };
     clangOmpss2Unwrapped = callPackage ./pkgs/llvm-ompss2/clang.nix { };
     cudainfo = prev.callPackage ./pkgs/cudainfo/default.nix { };
     #extrae = callPackage ./pkgs/extrae/default.nix { }; # Broken and outdated
     gpi-2 = callPackage ./pkgs/gpi-2/default.nix { };
-    intel-apt = callPackage ./pkgs/intel-oneapi/packages.nix { };
     intelPackages_2023 = callPackage ./pkgs/intel-oneapi/2023.nix { };
-    intelPackages_2024 = final.intel-apt.hpckit_2024;
-    intelPackages_2025 = final.intel-apt.hpckit_2025;
-    intelPackages = final.intelPackages_2025;
     jemallocNanos6 = callPackage ./pkgs/nanos6/jemalloc.nix { };
     # FIXME: Extend this to all linuxPackages variants. Open problem, see:
     # https://discourse.nixos.org/t/whats-the-right-way-to-make-a-custom-kernel-module-available/4636
@@ -48,26 +44,24 @@ let
     #nix-wrap = callPackage ./pkgs/nix-wrap/default.nix { };
     nodes = callPackage ./pkgs/nodes/default.nix { };
     nosv = callPackage ./pkgs/nosv/default.nix { };
-    oneMath = callPackage ./pkgs/onemath/default.nix { };
     openmp = callPackage ./pkgs/llvm-ompss2/openmp.nix { monorepoSrc = final.clangOmpss2Unwrapped.src; version = final.clangOmpss2Unwrapped.version; };
     openmpv = final.openmp.override { enableNosv = true; enableOvni = true; };
     osumb = callPackage ./pkgs/osu/default.nix { };
     ovni = callPackage ./pkgs/ovni/default.nix { };
     ovniGit = final.ovni.override { useGit = true; };
+    papi = callPackage ./pkgs/papi/default.nix { papi = prev.papi; };
     paraverKernel = callPackage ./pkgs/paraver/kernel.nix { };
     prometheus-slurm-exporter = prev.callPackage ./pkgs/slurm-exporter/default.nix { };
     #pscom = callPackage ./pkgs/parastation/pscom.nix { }; # Unmaintaned
     #psmpi = callPackage ./pkgs/parastation/psmpi.nix { }; # Unmaintaned
     slurm = import ./pkgs/slurm/default.nix { slurm = prev.slurm; };
     sonar = callPackage ./pkgs/sonar/default.nix { };
-    stdenvClangOmpss2 = final.stdenv.override { cc = final.clangOmpss2; allowedRequisites = null; };
-    stdenvClangOmpss2Nanos6 = final.stdenv.override { cc = final.clangOmpss2Nanos6; allowedRequisites = null; };
-    stdenvClangOmpss2Nodes = final.stdenv.override { cc = final.clangOmpss2Nodes; allowedRequisites = null; };
-    stdenvClangOmpss2NodesOmpv = final.stdenv.override { cc = final.clangOmpss2NodesOmpv; allowedRequisites = null; };
+    stdenvClangOmpss2 = final.stdenv.override { cc = final.buildPackages.clangOmpss2; allowedRequisites = null; };
+    stdenvClangOmpss2Nanos6 = final.stdenv.override { cc = final.buildPackages.clangOmpss2Nanos6; allowedRequisites = null; };
+    stdenvClangOmpss2Nodes = final.stdenv.override { cc = final.buildPackages.clangOmpss2Nodes; allowedRequisites = null; };
+    stdenvClangOmpss2NodesOmpv = final.stdenv.override { cc = final.buildPackages.clangOmpss2NodesOmpv; allowedRequisites = null; };
     tagaspi = callPackage ./pkgs/tagaspi/default.nix { };
     tampi = callPackage ./pkgs/tampi/default.nix { };
-    tasycl = callPackage ./pkgs/tasycl/default.nix { };
-    tasycl-acpp = callPackage ./pkgs/tasycl/default.nix { useIntel = false; };
     upc-qaire-exporter = prev.callPackage ./pkgs/upc-qaire-exporter/default.nix { };
     wxparaver = callPackage ./pkgs/paraver/default.nix { };
   };
@@ -77,8 +71,6 @@ let
     #sigsegv = callPackage ./test/reproducers/sigsegv.nix { };
     hello-c = callPackage ./test/compilers/hello-c.nix { };
     hello-cpp = callPackage ./test/compilers/hello-cpp.nix { };
-    hello-sycl = callPackage ./test/compilers/hello-sycl.nix { };
-    hello-syclompss = callPackage ./test/compilers/icpx-ompss2.nix { };
     lto = callPackage ./test/compilers/lto.nix { };
     asan = callPackage ./test/compilers/asan.nix { };
     intel2023-icx-c   = hello-c.override   { stdenv = final.intelPackages_2023.stdenv; };
@@ -88,13 +80,6 @@ let
     intel2023-ifort   = callPackage ./test/compilers/hello-f.nix {
       stdenv = final.intelPackages_2023.stdenv-ifort;
     };
-    intel2024-icx-c   = hello-c.override   { stdenv = final.intelPackages_2024.stdenv; };
-    intel2025-icx-c   = hello-c.override   { stdenv = final.intelPackages_2025.stdenv; };
-    intel2024-icx-cpp = hello-cpp.override { stdenv = final.intelPackages_2024.stdenv; };
-    intel2025-icx-cpp = hello-cpp.override { stdenv = final.intelPackages_2025.stdenv; };
-    # intel2023-sycl    = hello-sycl.override { intelPackages = final.intelPackages_2023; }; # broken
-    intel2024-sycl    = hello-sycl.override { intelPackages = final.intelPackages_2024; };
-    intel2025-sycl    = hello-sycl.override { intelPackages = final.intelPackages_2025; };
     clangOmpss2-lto   = lto.override       { stdenv = final.stdenvClangOmpss2Nanos6; };
     clangOmpss2-asan  = asan.override      { stdenv = final.stdenvClangOmpss2Nanos6; };
     clangOmpss2-task  = callPackage ./test/compilers/ompss2.nix {

pkgs/amd-uprof/default.nix

@@ -47,6 +47,7 @@ in
     inherit version;
     src = uprofSrc;
     dontStrip = true;
+    strictDeps = true;
     phases = [ "installPhase" "fixupPhase" ];
     nativeBuildInputs = [ autoPatchelfHook radare2 ];
     buildInputs = [

pkgs/amd-uprof/driver.nix

@@ -18,8 +18,9 @@ in stdenv.mkDerivation {
     set +x
   '';
   hardeningDisable = [ "pic" "format" ];
+  strictDeps = true;
   nativeBuildInputs = kernel.moduleBuildDependencies;
-  patches = [ ./makefile.patch ./hrtimer.patch ];
+  patches = [ ./makefile.patch ./hrtimer.patch ./remove-wr-rdmsrq.patch ];
   makeFlags = [
     "KERNEL_VERSION=${kernel.modDirVersion}"
     "KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"

pkgs/amd-uprof/remove-wr-rdmsrq.patch

@@ -0,0 +1,20 @@
+diff --git a/inc/PwrProfAsm.h b/inc/PwrProfAsm.h
+index d77770a..c93a0e9 100644
+--- a/inc/PwrProfAsm.h
++++ b/inc/PwrProfAsm.h
+@@ -347,6 +347,7 @@
+ 
+ #endif
+ 
++/*
+ #define rdmsrq(msr,val1,val2,val3,val4) ({ \
+         __asm__ __volatile__( \
+                               "rdmsr\n" \
+@@ -362,6 +363,7 @@
+                               :"c"(msr), "a"(val1), "d"(val2), "S"(val3), "D"(val4) \
+                             ); \
+     })
++*/
+ 
+ #define rdmsrpw(msr,val1,val2,val3,val4) ({ \
+         __asm__ __volatile__( \

pkgs/bench6/default.nix

@@ -59,6 +59,7 @@ stdenv.mkDerivation rec {
   ];
   hardeningDisable = [ "all" ];
   dontStrip = true;
+  strictDeps = true;
 
   meta = {
     homepage = "https://gitlab.pm.bsc.es/rarias/bench6";

pkgs/bigotes/default.nix

@@ -16,6 +16,8 @@ stdenv.mkDerivation {
   };
   nativeBuildInputs = [ cmake ];
 
+  strictDeps = true;
+
   meta = {
     homepage = "https://github.com/rodarima/bigotes";
     description = "Versatile benchmark tool";

pkgs/cudainfo/default.nix

@@ -10,11 +10,14 @@
 stdenv.mkDerivation (finalAttrs: {
   name = "cudainfo";
   src = ./.;
-  buildInputs = [
+  strictDeps = true;
+  nativeBuildInputs = [
     cudatoolkit # Required for nvcc
-    (lib.getOutput "static" cudaPackages.cuda_cudart) # Required for -lcudart_static
     autoAddDriverRunpath
   ];
+  buildInputs = [
+    (lib.getOutput "static" cudaPackages.cuda_cudart) # Required for -lcudart_static
+  ];
   installPhase = ''
     mkdir -p $out/bin
     cp -a cudainfo $out/bin
@@ -23,6 +26,7 @@ stdenv.mkDerivation (finalAttrs: {
     name = "cudainfo-test";
     requiredSystemFeatures = [ "cuda" ];
     dontBuild = true;
+    strictDeps = true;
     nativeCheckInputs = [
       finalAttrs.finalPackage # The cudainfo package from above
       strace # When it fails, it will show the trace

pkgs/extrae/default.nix

@@ -20,7 +20,7 @@
 #, python3Packages
 , installShellFiles
 , symlinkJoin
-, enablePapi ? stdenv.hostPlatform == stdenv.buildPlatform # Disabled when cross-compiling
+, enablePapi ? true
 }:
 
 let

pkgs/gpi-2/default.nix

@@ -33,6 +33,7 @@ stdenv.mkDerivation rec {
   };
 
   enableParallelBuilding = true;
+  strictDeps = true;
 
   patches = [ ./rdma-core.patch ./max-mem.patch ];
 

pkgs/intel-oneapi/2023.nix

@@ -40,19 +40,45 @@ let
     mpi      = "2021.9.0";
   };
 
-  findMatch = name:
-  let
-    aptPackages = builtins.fromJSON (builtins.readFile ./packages.json);
-    matches = lib.filter (x: name == x.pname) aptPackages;
-    n = lib.length matches;
-    match = builtins.traceVerbose (name + " -- ${builtins.toString n}") (builtins.head matches);
+  aptPackageIndex = stdenv.mkDerivation {
+    name = "intel-oneapi-packages";
+    srcs = [
+      # Run update.sh to update the package lists
+      ./amd64-packages ./all-packages
+    ];
+    phases = [ "installPhase" ];
+    installPhase = ''
+      awk -F': ' '\
+        BEGIN   { print "[ {" } \
+        NR>1 && /^Package: / { print "} {"; } \
+        /: /    { printf "%s = \"%s\";\n", $1, $2 } \
+        END     { print "} ]" }' $srcs > $out
+    '';
+  };
 
-    apthost = "https://apt.repos.intel.com/oneapi/";
+  aptPackages = import aptPackageIndex;
+
+  apthost = "https://apt.repos.intel.com/oneapi/";
+
+  getSum = pkgList: name:
+  let
+    matches = lib.filter (x: name == x.Package) pkgList;
+    #n = lib.length matches;
+    #match = builtins.trace (name + " -- ${builtins.toString n}") (lib.elemAt matches 0);
+    match = lib.elemAt matches 0;
   in
-    {
-      url = apthost + match.filename;
-      sha256 = match.sha256;
-    };
+    match.SHA256;
+
+  getUrl = pkgList: name:
+  let
+    matches = lib.filter (x: name == x.Package) pkgList;
+    #match = assert lib.length matches == 1; lib.elemAt matches 0;
+    n = lib.length matches;
+    match =
+      #builtins.trace (name + " -- n=${builtins.toString n}")
+      (lib.elemAt matches 0);
+  in
+    apthost + match.Filename;
 
   uncompressDebs = debs: name: stdenv.mkDerivation {
     name = name;
@@ -72,7 +98,10 @@ let
 
   joinDebs = name: names:
   let
-    debs = builtins.map (x: builtins.fetchurl (findMatch x)) names;
+    urls = builtins.map (x: getUrl aptPackages x) names;
+    sums = builtins.map (x: getSum aptPackages x) names;
+    getsrc = url: sha256: builtins.fetchurl { inherit url sha256; };
+    debs = lib.zipListsWith getsrc urls sums;
   in
     uncompressDebs debs "${name}-source";
 
@@ -99,6 +128,7 @@ let
 
     phases = [ "installPhase" "fixupPhase" ];
     dontStrip = true;
+    strictDeps = true;
     installPhase = ''
       mkdir -p $out/{bin,etc,lib,include}
       mkdir -p $out/share/man
@@ -150,6 +180,7 @@ let
     ];
     phases = [ "installPhase" "fixupPhase" ];
     dontStrip = true;
+    strictDeps = true;
 
     autoPatchelfIgnoreMissingDeps = [ "libhwloc.so.5" ];
 
@@ -193,6 +224,7 @@ let
     ];
     phases = [ "installPhase" "fixupPhase" ];
     dontStrip = true;
+    strictDeps = true;
 
     autoPatchelfIgnoreMissingDeps = [ "libsycl.so.6" ];
 
@@ -260,6 +292,7 @@ let
     phases = [ "installPhase" "fixupPhase" ];
 
     dontStrip = true;
+    strictDeps = true;
 
     installPhase = ''
       mkdir -p $out/{bin,lib,include}
@@ -348,6 +381,7 @@ let
     phases = [ "installPhase" "fixupPhase" ];
 
     dontStrip = true;
+    strictDeps = true;
 
     installPhase = ''
       mkdir -p $out/{bin,lib}
@@ -441,7 +475,7 @@ let
     '';
   };
 
-  ifort-wrapper = wrapIntel {
+  ifort-wrapper = wrapIntel rec {
     cc = intel-compiler-fortran;
     mygcc = gcc;
     extraBuild = ''

pkgs/intel-oneapi/packages.nix

@@ -1,204 +0,0 @@
-{ lib
-, stdenv
-, callPackage
-, dpkg
-, fetchurl
-
-, sqlite
-, elfutils
-}:
-
-let
-  inherit (builtins)
-    elem attrNames attrValues concatMap filter fromJSON getAttr groupBy head isNull listToAttrs map mapAttrs readFile replaceStrings splitVersion ;
-  inherit (lib)
-    converge findFirst groupBy' hasPrefix optional pipe take toInt toList versionAtLeast versionOlder ;
-
-  aptData = fromJSON (readFile ./packages.json);
-
-  # Compare versions in debian control file syntax
-  # See: https://www.debian.org/doc/debian-policy/ch-relationships.html#syntax-of-relationship-fields
-  #
-  # NOTE: this is not a proper version comparison
-  #
-  # A proper version solver, should aggregate dependencies with the same name
-  # and compute the constraint (e.g. a (>= 2) a (<< 5) -> 2 <= a << 5)
-  #
-  # But in the intel repo, there are no such "duplicated" dependencies to specify
-  # upper limits, which leads to issues when intel-hpckit-2021 depends on things
-  # like intel-basekit >= 2021.1.0-2403 and we end up installing the newest
-  # basekit instead of the one from 2021.
-  #
-  # To mitigate this, >= is set to take the latest version with matching major
-  # and minor (only revision and patch are allowed to change)
-  compareVersions = got: kind: want:
-    let
-      g0 = take 2 (splitVersion got);
-      w0 = take 2 (splitVersion want);
-    in if isNull want then true
-    else if kind == "=" then got == want
-    else if kind == "<<" then versionOlder got want
-    else if kind == "<=" then versionAtLeast want got
-    else if kind == ">>" then versionOlder want got
-    else if kind == ">=" then (g0 == w0) && versionAtLeast got want # always match major version
-    else throw "unknown operation: ${kind}";
-
-  findMatching = { pname, kind, version }:
-    findFirst (x: pname == x.pname && compareVersions x.version kind version) null aptData;
-
-  isIntel = pkg: (hasPrefix "intel-" pkg.pname);
-
-  expandDeps = pkg: (map findMatching (filter isIntel pkg.dependencies)) ++ (optional (pkg.size != 0) pkg);
-
-  # get the oldest by major version. If they have the same major version, take
-  # the newest. This prevents most issues with resolutions
-  # versionOlder b a -> true if b is older than a (b `older` a)
-  getNewerInMajor = a: b: let
-    va = a.version;
-    vb = b.version;
-    va0 = head (splitVersion va);
-    vb0 = head (splitVersion vb);
-  in
-  if isNull a then b
-  else if va0 != vb0 then
-    if va0 > vb0 then b else a
-  else if versionOlder vb va then a else b;
-  removeDups = l: attrValues (groupBy' getNewerInMajor null (getAttr "provides") l);
-
-  _resolveDeps = converge (l: removeDups (concatMap expandDeps l));
-  resolveDeps = pkg: let deps = _resolveDeps (toList pkg);
-      namedDeps = (map (x: "${x.pname}-${x.version}") deps);
-    in builtins.traceVerbose (builtins.deepSeq namedDeps namedDeps) deps;
-
-  blacklist = [
-    "intel-basekit-env"
-    "intel-basekit-getting-started"
-    "intel-hpckit-env"
-    "intel-hpckit-getting-started"
-    "intel-oneapi-advisor"
-    "intel-oneapi-common-licensing"
-    "intel-oneapi-common-oneapi-vars"
-    "intel-oneapi-common-vars"
-    "intel-oneapi-compiler-cpp-eclipse-cfg"
-    "intel-oneapi-compiler-dpcpp-eclipse-cfg"
-    "intel-oneapi-condaindex"
-    "intel-oneapi-dev-utilities-eclipse-cfg"
-    "intel-oneapi-dpcpp-ct-eclipse-cfg"
-    "intel-oneapi-eclipse-ide"
-    "intel-oneapi-hpc-toolkit-getting-started"
-    "intel-oneapi-icc-eclipse-plugin-cpp"
-    "intel-oneapi-vtune"
-    "intel-oneapi-vtune-eclipse-plugin-vtune"
-  ];
-
-  isInBlacklist = pkg: elem pkg.provides blacklist;
-  removeBlacklist = filter (e: !(isInBlacklist e));
-
-  dpkgExtractAll = pname: version: {srcs, deps}: stdenv.mkDerivation {
-    inherit pname version srcs;
-
-    nativeBuildInputs = [ dpkg ];
-    phases = [ "installPhase" ];
-
-    passthru = { inherit deps; };
-
-    installPhase = ''
-      mkdir -p $out
-      for src in $srcs; do
-        echo "Unpacking $src"
-        dpkg -x $src $out
-      done
-    '';
-  };
-
-  apthost = "https://apt.repos.intel.com/oneapi/";
-  fetchDeb = p: fetchurl { url = apthost + p.filename; inherit (p) sha256; };
-
-  buildIntel = pkg: pipe pkg [
-    resolveDeps
-    removeBlacklist
-    (l: {srcs = map fetchDeb l; deps = l; })
-    (dpkgExtractAll "${pkg.provides}-extracted" pkg.version)
-  ];
-
-  findHpcKit = year: findMatching { pname = "intel-hpckit"; kind = "<<"; version = toString (year+1); };
-  years = map toInt (attrNames components);
-
-  patchIntel = callPackage ./patch_intel.nix { };
-
-  # Version information for each hpckit. This is used to normalize the paths
-  # so that files are in $out/{bin,lib,include...} instead of all over the place
-  # in $out/opt/intel/oneapi/*/*/{...}.
-  #
-  # The most important is the compiler component, which is used to build the
-  # stdenv for the hpckit.
-  #
-  # NOTE: this have to be manually specified, so we can avoid IFD. To add a
-  # new version, add a new field with an empty attrset, (e.g. "2026" = {}; ),
-  # build hpckit_2026.unpatched and use the values from
-  # result/opt/intel/oneapi/* to populate the attrset.
-  #
-  # WARN: if there are more than one version in the folders of the unpatched
-  # components, our dependency resolution hacks have probably failed and the
-  # package set may be broken.
-  components = {
-    "2025" = {
-      ishmem = "1.4";
-      pti = "0.13";
-      tcm = "1.4";
-      umf = "0.11";
-
-      ccl = "2021.16";
-      compiler = "2025.2";
-      dal = "2025.8";
-      debugger = "2025.2";
-      dev-utilities = "2025.2";
-      dnnl = "2025.2";
-      dpcpp-ct = "2025.2";
-      dpl = "2022.9";
-      ipp = "2022.2";
-      ippcp = "2025.2";
-      mkl = "2025.2";
-      mpi = "2021.16";
-      tbb = "2022.2";
-    };
-    "2024" = {
-      tcm = "1.1";
-
-      ccl = "2021.13";
-      compiler = "2024.2";
-      dal = "2024.6";
-      debugger = "2024.2";
-      dev-utilities = "2024.2";
-      diagnostics = "2024.2";
-      dnnl = "2024.2";
-      dpcpp-ct = "2024.2";
-      dpl = "2022.6";
-      ipp = "2021.12";
-      ippcp = "2021.12";
-      mkl = "2024.2";
-      mpi = "2021.13";
-      tbb = "2021.13";
-
-      extraPackages = [
-        sqlite
-        elfutils
-      ];
-    };
-  };
-
-  replaceDots = replaceStrings ["."] ["_"];
-
-in lib.recurseIntoAttrs (listToAttrs (map (year: let
-      year_str = toString year;
-    in {
-      name = "hpckit_${year_str}";
-      value = patchIntel {unpatched = buildIntel (findHpcKit year); components = components.${year_str}; };
-  }) years)) // {
-  apt = pipe aptData [
-    (groupBy (p: replaceDots p.provides))
-    (mapAttrs (_: l: listToAttrs (map (pkg: { name = replaceDots ("v" + pkg.version); value = pkg; }) l)))
-  ] ;
-
-  inherit resolveDeps patchIntel buildIntel;
-}

pkgs/intel-oneapi/patch_intel.nix

@@ -1,174 +0,0 @@
-{ stdenv
-, stdenvNoCC
-, lib
-, symlinkJoin
-, autoPatchelfHook
-, wrapCCWith
-, overrideCC
-, gcc
-, hwloc
-, libelf
-, libffi_3_3
-, libpsm2
-, libuuid
-, libxml2
-, numactl
-, ocl-icd
-, openssl
-, python3
-, rdma-core
-, ucx
-, zlib
-}:
-
-lib.makeOverridable (
-{
-  unpatched,
-  components ? { },
-  extraPackages ? components.extraPackages or []
-}:
-
-let
-  inherit (builtins) attrValues filter mapAttrs removeAttrs;
-
-  __components = removeAttrs components ["extraPackages"];
-  _components = __components;
-  # _components = lib.traceSeqN 2 {
-  #   inherit unpatched __components;
-  #   deps = builtins.map (x: "${x.pname}-${x.version}") unpatched.deps;
-  # } __components;
-
-  wrapIntel = { cc, extraBuildCommands ? "", extraInstall ? "", ... }@args:
-    let
-      targetConfig = stdenv.targetPlatform.config;
-    in (wrapCCWith {
-      inherit cc;
-      extraBuildCommands = ''
-        echo "-L${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-ldflags
-        echo "-L${gcc.cc.lib}/lib" >> $out/nix-support/cc-ldflags
-        echo "-L${cc}/lib" >> $out/nix-support/cc-ldflags
-
-        # echo "--gcc-toolchain=${gcc.cc}" >> $out/nix-support/libcxx-cxxflags
-        echo "--gcc-toolchain=${gcc.cc}" >> $out/nix-support/cc-cflags
-
-        # For some reason, If we don't resolve the realpath things go wrong
-        for stddef in ${cc}/lib/clang/*/include/stddef.h ; do
-          dir=$(dirname $(realpath "$stddef"))
-          echo "-isystem $dir" >> $out/nix-support/cc-cflags
-        done
-
-        echo "-isystem ${cc}/include" >> $out/nix-support/cc-cflags
-        echo "-isystem ${cc}/include/intel64" >> $out/nix-support/cc-cflags
-
-        for dir in ${gcc.cc}/lib/gcc/${targetConfig}/*/include; do
-          echo "-isystem $dir" >> $out/nix-support/cc-cflags
-        done
-
-        for dir in ${gcc.cc}/include/c++/*; do
-          echo "-isystem $dir" >> $out/nix-support/libcxx-cxxflags
-        done
-        for dir in ${gcc.cc}/include/c++/*/${targetConfig}; do
-          echo "-isystem $dir" >> $out/nix-support/libcxx-cxxflags
-        done
-
-        # FIXME: We should find a better way to modify the PATH instead of using
-        # this ugly hack. See https://jungle.bsc.es/git/rarias/bscpkgs/issues/9
-        echo 'path_backup="${gcc.cc}/bin:$path_backup"' >> $out/nix-support/cc-wrapper-hook
-
-        # Disable hardening by default
-        echo "" > $out/nix-support/add-hardening.sh
-      '' + extraBuildCommands;
-    } // (removeAttrs args ["cc" "extraBuildCommands" "extraInstall"])
-    ).overrideAttrs (old: {
-      installPhase = old.installPhase + extraInstall;
-    });
-
-in
-stdenvNoCC.mkDerivation (finalAttrs: {
-  pname = lib.removeSuffix "-extracted" unpatched.pname;
-  inherit (unpatched) version;
-  src = unpatched;
-
-  phases = [ "installPhase" "fixupPhase" ];
-  buildInputs = [
-    libffi_3_3
-    libelf
-    libxml2
-    hwloc
-    numactl
-    libuuid
-    libpsm2
-    zlib
-    ocl-icd
-    rdma-core
-    ucx
-    openssl
-    python3
-    stdenv.cc.cc.lib
-  ] ++ extraPackages;
-
-  autoPatchelfIgnoreMissingDeps = [ "libhwloc.so.5" "libcuda.so.1" "libze_loader.so.1" ];
-
-  # There are broken symlinks that go outside packages, ignore them
-  dontCheckForBrokenSymlinks = true;
-
-  nativeBuildInputs = [ autoPatchelfHook ];
-  installPhase = ''
-    cp -r $src/opt/intel/oneapi/ $out
-  '';
-
-  passthru = let
-    pkgs = mapAttrs
-      (folder: version: symlinkJoin {
-        pname = "intel-${folder}";
-        inherit version;
-        paths = ["${finalAttrs.finalPackage}/${folder}/${version}"];
-      })
-      _components;
-  in pkgs // {
-    inherit unpatched;
-    pkgs = lib.recurseIntoAttrs pkgs;
-    components = _components;
-
-    # This contains all packages properly symlinked into toplevel directories
-    # in $out.
-    #
-    # NOTE: there are clashes with packages that have symlinks outside their
-    # scope (libtcm and env/vars.sh)
-    all = symlinkJoin {
-      pname = finalAttrs.finalPackage + "-symlinked";
-      inherit (finalAttrs.finalPackage) version;
-      paths = filter lib.isDerivation (attrValues finalAttrs.finalPackage.pkgs);
-    };
-
-    stdenv = overrideCC stdenv finalAttrs.finalPackage.cc;
-
-    cc = wrapIntel {
-      cc = finalAttrs.finalPackage.pkgs.compiler;
-      extraBuildCommands = ''
-        wrap icx  $wrapper $ccPath/icx
-        wrap icpx $wrapper $ccPath/icpx
-        wrap ifx  $wrapper $ccPath/ifx
-
-        ln -s $out/bin/icpx $out/bin/c++
-        ln -s $out/bin/icx  $out/bin/cc
-
-        # Use this to detect when a compiler subprocess is called
-        # from icpx (--fsycl-host-compiler)
-        echo 'export "NIX_CC_WRAPPER_INTEL=1"' >> $out/nix-support/cc-wrapper-hook
-
-        sed -i 's/.*isCxx=0/isCxx=1/' $out/bin/icpx
-
-        # oneMath looks for sycl libraries in bin/../lib
-        ln -s ${finalAttrs.finalPackage.pkgs.compiler}/lib $out/lib
-        ln -s ${finalAttrs.finalPackage.pkgs.compiler}/include $out/include
-      '';
-      extraInstall = ''
-        export named_cc="icx"
-        export named_cxx="icpx"
-        export named_fc="ifx"
-      '';
-    };
-  };
-
-}))

pkgs/intel-oneapi/process.jq

@@ -1,29 +0,0 @@
-#!/usr/bin/env -S jq -f
-
-def extract_fields: {
-        pname : .Package,
-        version : .Version,
-        provides : .Package | sub("[0-9.-]*$"; ""),
-        filename : .Filename,
-        size : ."Installed-Size" | tonumber,
-        sha256 : .SHA256,
-        dependencies : .Depends,
-    } ;
-
-# parses dependencies into a list of [{.pname, .kind, .version}]
-# some dependencies do not have a version specified, in which case, kind = version = null
-#
-# example dependencies:
-# intel-oneapi-common-vars (>= 2023.0.0-25325), intel-oneapi-common-licensing-2023.0.0
-
-def split_dependencies : map(try(.dependencies |= split(",\\s?"; "")) // .dependencies |= []) ;
-
-def match_version : capture("(?<pname>[a-zA-Z0-9_\\-.]*) *(\\((?<kind>[<>=]*) *(?<version>.*)\\))?"; "") ;
-
-def parse_dependencies : map_values(.dependencies.[] |= match_version) ;
-
-def sort_version_decreasing : sort_by(.version | split("[-.]"; "") | map(tonumber)) | reverse ;
-
-map(extract_fields) | split_dependencies | parse_dependencies | sort_version_decreasing
-
-# [.[] | select(.pname == "intel-hpckit") | .version]

pkgs/intel-oneapi/toJson.awk

@@ -1,29 +0,0 @@
-#!/usr/bin/env -S awk -f
-
-BEGIN   {
-    FS=": "
-
-    prev_empty=1
-    t="  "
-
-    print "[ {"
-}
-
-!NF { # empty line, update separator so next non empty line closes the dict
-    prev_empty=1
-    t="},\n{ "
-    next # skip line (we won't match anything else)
-}
-
-{
-    printf t "\"%s\" : \"%s\"\n", $1, $2
-
-    if (prev_empty) {
-        # we were the first after a group of empty lines, following ones have to
-        # have a comma
-        prev_empty=0
-        t=", "
-    }
-}
-
-END     { print "} ]" }

pkgs/intel-oneapi/update.sh

@@ -1,11 +1,4 @@
 #!/bin/sh
 
-out_64=$(mktemp intel-api.64.XXXXXX)
-out_all=$(mktemp intel-api.all.XXXXXX)
-trap 'rm -f "$out_64" "$out_all"' EXIT INT HUP
-
-curl https://apt.repos.intel.com/oneapi/dists/all/main/binary-amd64/Packages -o "$out_64"
-curl https://apt.repos.intel.com/oneapi/dists/all/main/binary-all/Packages -o "$out_all"
-
-# NOTE: we use `jq -r tostring` to minify the json (3.2Mb -> 2.3Mb)
-cat "$out_64" "$out_all" | ./toJson.awk | ./process.jq | jq -r tostring >packages.json
+curl https://apt.repos.intel.com/oneapi/dists/all/main/binary-amd64/Packages -o amd64-packages
+curl https://apt.repos.intel.com/oneapi/dists/all/main/binary-all/Packages -o all-packages

pkgs/llvm-ompss2/clang.nix

@@ -1,9 +1,9 @@
 {
-  llvmPackages_latest
+  stdenv
+, llvmPackages_latest
 , lib
 , fetchFromGitHub
 , cmake
-, bash
 , python3
 , perl
 , which
@@ -11,7 +11,6 @@
 , libffi
 , zlib
 , pkg-config
-, gcc # needed to set the rpath of libstdc++ for clang-tblgen
 , enableDebug ? false
 , useGit ? false
 , gitUrl ? "ssh://git@bscpm04.bsc.es/llvm-ompss/llvm-mono.git"
@@ -20,7 +19,10 @@
 }:
 
 let
-  stdenv = llvmPackages_latest.stdenv;
+  llvmPackages = llvmPackages_latest;
+  llvmStdenv = llvmPackages.stdenv;
+  # needed to set the rpath of libstdc++ for clang-tblgen
+  gcc = stdenv.cc;
 
   release = rec {
     version = "2025.11";
@@ -43,11 +45,12 @@ let
 
   source = if (useGit) then git else release;
 
-in stdenv.mkDerivation {
+in llvmStdenv.mkDerivation {
   pname = "clang-ompss2";
   inherit (source) src version;
 
   enableParallelBuilding = true;
+  strictDeps = true;
 
   passthru = {
     CC = "clang";
@@ -60,13 +63,12 @@ in stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [
-    bash
     cmake
     elfutils
-    llvmPackages_latest.lld
+    llvmPackages.lld
+    perl
     pkg-config
     python3
-    perl
     which
     zlib
   ];
@@ -97,8 +99,13 @@ in stdenv.mkDerivation {
     cd build
     cmakeDir="../llvm"
     cmakeFlagsArray=(
-      "-DLLVM_HOST_TRIPLE=${stdenv.targetPlatform.config}"
+      "-DLLVM_HOST_TRIPLE=${llvmStdenv.targetPlatform.config}"
+    '' + (if "${llvmStdenv.targetPlatform.config}" == "riscv64-unknown-linux-gnu" then ''
+      "-DLLVM_DEFAULT_TARGET_TRIPLE=riscv64-unknown-linux-gnu"
+      "-DLLVM_TARGETS_TO_BUILD=RISCV"
+    '' else ''
       "-DLLVM_TARGETS_TO_BUILD=host"
+    '') + ''
       "-DLLVM_BUILD_LLVM_DYLIB=ON"
       "-DLLVM_LINK_LLVM_DYLIB=ON"
       # Required to run clang-ast-dump and clang-tblgen during build
@@ -107,7 +114,8 @@ in stdenv.mkDerivation {
       "-DCMAKE_CXX_FLAGS_DEBUG=-g -ggnu-pubnames"
       "-DCMAKE_EXE_LINKER_FLAGS_DEBUG=-Wl,--gdb-index"
       "-DLLVM_LIT_ARGS=-sv --xunit-xml-output=xunit.xml"
-      "-DLLVM_ENABLE_PROJECTS=clang;compiler-rt;lld"
+      "-DLLVM_ENABLE_PROJECTS=clang;lld"
+      "-DLLVM_ENABLE_RUNTIMES=compiler-rt"
       "-DLLVM_ENABLE_ASSERTIONS=ON"
       "-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON"
       "-DCMAKE_INSTALL_BINDIR=bin"

pkgs/llvm-ompss2/default.nix

@@ -3,26 +3,42 @@
 , lib
 , gcc
 , clangOmpss2Unwrapped
-, writeShellScript
-, openmp ? null
+
+, openmp
+, useOpenmp  ? false
+, openmpv
+, useOpenmpV ? false
+, nanos6
+, useNanos6 ? false
+, nodes
+, useNodes ? false
+
 , wrapCCWith
 , llvmPackages_latest
-, ompss2rt ? null
 }:
 
 with lib;
 
 let
-  usingNodesAndOmpv = (openmp.pname == "openmp-v" && ompss2rt.pname == "nodes");
-  sameNosv = openmp.nosv == ompss2rt.nosv;
+  getSplice = target: pkg: if pkg ? "__spliced" && pkg.__spliced ? target then pkg.__spliced."${target}" else pkg;
+  getSpliceTargetTarget = getSplice "targetTarget";
+  omp = if useOpenmp then openmp else if useOpenmpV then openmpv else null;
+  ompss2rtUnspliced = if useNanos6 then nanos6 else if useNodes then nodes else null;
+  ompss2rt = getSpliceTargetTarget ompss2rtUnspliced;
+  usingNodesAndOmpv = omp != null && ompss2rt != null && (omp.pname == "openmp-v" && ompss2rt.pname == "nodes");
+  sameNosvUnspliced = omp != null && ompss2rtUnspliced != null && omp.nosv == ompss2rtUnspliced.nosv;
+  sameNosvSpliced = (getSpliceTargetTarget omp.nosv) == ompss2rt.nosv;
 in
 
-assert assertMsg (usingNodesAndOmpv -> sameNosv) "OpenMP-V and NODES must share the same nOS-V";
+assert assertMsg (usingNodesAndOmpv -> sameNosvUnspliced) "OpenMP-V and NODES must share the same nOS-V before splice";
+assert assertMsg (usingNodesAndOmpv -> sameNosvSpliced) "OpenMP-V and NODES must share the same nOS-V after splice";
+assert assertMsg (useOpenmp -> !useOpenmpV) "Either OpenMP or OpenMP-V may be enabled, but not both";
+assert assertMsg (useNanos6 -> !useNodes) "Either Nanos6 or NODES may be enabled, but not both";
 
 let
   homevar = if ompss2rt.pname == "nanos6" then "NANOS6_HOME" else "NODES_HOME";
   rtname  = if ompss2rt.pname == "nanos6" then "libnanos6" else "libnodes";
-  ompname = if openmp.pname == "openmp-v" then  "libompv" else "libomp";
+  ompname = if omp.pname == "openmp-v" then  "libompv" else "libomp";
 
 
   # We need to replace the lld linker from bintools with our linker just built,
@@ -38,7 +54,10 @@ let
   inherit gcc;
   cc = clangOmpss2Unwrapped;
   gccVersion = with versions; let v = gcc.version; in concatStringsSep "." [(major v) (minor v) (patch v)];
-
+in (wrapCCWith {
+  inherit cc bintools;
+  # extraPackages adds packages to depsTargetTargetPropagated
+  extraPackages = optional (omp != null) omp;
   extraBuildCommands = ''
     echo "-target ${targetConfig}" >> $out/nix-support/cc-cflags
     echo "-B${gcc.cc}/lib/gcc/${targetConfig}/${gccVersion}" >> $out/nix-support/cc-cflags
@@ -54,51 +73,15 @@ let
 
     echo "--gcc-toolchain=${gcc}" >> $out/nix-support/cc-cflags
 
-    wrap clang++  $wrapper $ccPath/clang++
+    wrap ${targetConfig}clang++  $wrapper $ccPath/clang++
+    wrap ${targetConfig}clang    $wrapper $ccPath/clang
+
+  '' + optionalString (omp != null) ''
+    echo "export OPENMP_RUNTIME=${ompname}" >> $out/nix-support/cc-wrapper-hook
+  '' + optionalString (ompss2rt != null) ''
+    echo "export OMPSS2_RUNTIME=${rtname}" >> $out/nix-support/cc-wrapper-hook
+    echo "export ${homevar}=${ompss2rt}"   >> $out/nix-support/cc-wrapper-hook
+  '' + optionalString (ompss2rt != null && ompss2rt.pname == "nodes") ''
+    echo "export NOSV_HOME=${ompss2rt}" >> $out/nix-support/cc-wrapper-hook
   '';
-
-  envExports = lib.optionalString (openmp != null) ''
-      echo "export OPENMP_RUNTIME=${ompname}" >> $out/nix-support/cc-wrapper-hook
-    '' + optionalString (ompss2rt != null) ''
-      echo "export OMPSS2_RUNTIME=${rtname}" >> $out/nix-support/cc-wrapper-hook
-      echo "export ${homevar}=${ompss2rt}"   >> $out/nix-support/cc-wrapper-hook
-    '' + optionalString (ompss2rt != null && ompss2rt.pname == "nodes") ''
-      echo "export NOSV_HOME=${ompss2rt.nosv}" >> $out/nix-support/cc-wrapper-hook
-    '';
-
-  extraPackages = optional (openmp != null) openmp;
-
-  wrappedCC = wrapCCWith {
-    # extraPackages adds packages to depsTargetTargetPropagated
-    inherit cc bintools extraPackages;
-    extraBuildCommands = extraBuildCommands + envExports;
-  };
-
-  resetIntelCCFlags = let tconf = builtins.replaceStrings ["-"] ["_"] targetConfig;
-  in writeShellScript "remove-intel.sh" ''
-    if [ "''${NIX_CC_WRAPPER_INTEL:-0}" = 1 ]; then
-      unset NIX_CFLAGS_COMPILE_${tconf}
-      unset NIX_CC_WRAPPER_FLAGS_SET_${tconf}
-
-      if (( "''${NIX_DEBUG:-0}" >= 1 )); then
-        echo "ompss2: cleaned NIX_CFLAGS_COMPILE_${tconf} (invokation from intel compiler detected)"
-      fi
-    fi
-  '';
-
-  intelExtraBuildCommands = ''
-    sed -i 's|# Flirting.*|source ${resetIntelCCFlags}\n\n&|' $out/bin/clang
-    sed -i 's|# Flirting.*|source ${resetIntelCCFlags}\n\n&|' $out/bin/clang++
-  '';
-
-  wrappedCCIntel = wrapCCWith {
-    inherit cc bintools extraPackages;
-    # extraPackages adds packages to depsTargetTargetPropagated
-    extraBuildCommands = intelExtraBuildCommands + envExports;
-  };
-
-in wrappedCC.overrideAttrs (oldAttrs: {
-    passthru = oldAttrs.passthru // {
-      forIcpx = wrappedCCIntel;
-    };
-  })
+}).overrideAttrs (prev: { passthru = (prev.passthru or {}) // { inherit ompss2rt; }; })

pkgs/llvm-ompss2/openmp.nix

@@ -39,7 +39,9 @@ stdenv.mkDerivation rec {
     perl
     pkg-config
     python3
-  ] ++ lib.optionals enableNosv [
+  ];
+
+  buildInputs = lib.optionals enableNosv [
     nosv
   ] ++ lib.optionals enableOvni [
     ovni
@@ -54,6 +56,7 @@ stdenv.mkDerivation rec {
   dontStrip = enableDebug;
 
   separateDebugInfo = true;
+  strictDeps = true;
 
   cmakeFlags = [
     "-DLIBOMP_OMPD_SUPPORT=OFF"
@@ -71,6 +74,28 @@ stdenv.mkDerivation rec {
     rm -f $out/libllvmrt/libomp.*
   '';
 
+  doInstallCheck = true;
+  # There are not cmake flags to force nOS-V, it enables it when found through
+  # pkg-config. If enableNosv is set, but we fail to find it at build time,
+  # the build will succeed but won't use nOS-V (libompv won't be created).
+  # This is a sanity check to ensure that after install we have the proper
+  # files.
+  installCheckPhase =
+    if enableNosv then
+      ''
+        test -f $out/lib/libompv.so
+        test -f $out/libllvmrt/libompv.so
+        test ! -f $out/lib/libomp.so
+        test ! -f $out/libllvmrt/libomp.so
+      ''
+    else
+      ''
+        test -f $out/lib/libomp.so
+        test -f $out/libllvmrt/libomp.so
+        test ! -f $out/lib/libompv.so
+        test ! -f $out/libllvmrt/libompv.so
+      '';
+
   passthru = {
     inherit nosv;
   };

pkgs/lmbench/default.nix

@@ -27,6 +27,7 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "all" ];
 
   enableParallelBuilding = false;
+  strictDeps = true;
 
   preBuild = ''
     makeFlagsArray+=(

pkgs/meteocat-exporter/default.nix

@@ -9,6 +9,7 @@ python3Packages.buildPythonApplication {
   src = ./.;
 
   doCheck = false;
+  strictDeps = true;
 
   build-system = with python3Packages; [
     setuptools

pkgs/mpich/default.nix

@@ -53,6 +53,7 @@ in mpich.overrideAttrs (old: {
   '';
 
   hardeningDisable = [ "all" ];
+  strictDeps = true;
 
   meta = old.meta // {
     maintainers = old.meta.maintainers ++ (with lib.maintainers.bsc; [ rarias ]);

pkgs/nanos6/default.nix

@@ -16,7 +16,7 @@
 , jemallocNanos6 ? null
 , cachelineBytes ? 64
 , enableGlibcxxDebug ? false
-, enablePapi ? stdenv.hostPlatform == stdenv.buildPlatform # Disabled when cross-compiling
+, enablePapi ? true
 , useGit ? false
 , gitUrl ? "ssh://git@bscpm04.bsc.es/nanos6/nanos6"
 , gitBranch ? "master"
@@ -80,7 +80,8 @@ in
       (optional enableGlibcxxDebug "CXXFLAGS=-D_GLIBCXX_DEBUG") ++
       # Most nanos6 api symbols are resolved at runtime, so prefer
       # ifunc by default
-      (optional isCross "--with-symbol-resolution=ifunc");
+      (optional isCross "--with-symbol-resolution=ifunc") ++
+      (optional enablePapi "--with-papi=${papi}");
 
     postConfigure = lib.optionalString (!enableDebug) ''
       # Disable debug
@@ -95,16 +96,14 @@ in
     dontStrip = enableDebug;
     separateDebugInfo = true;
 
+    strictDeps = true;
+
     nativeBuildInputs = [
       autoconf
       automake
       libtool
       pkg-config
-
-      # TODO: papi_version is needed for configure:
-      # ./configure: line 27378: papi_version: command not found
-      # This probably breaks cross-compilation
-    ] ++ lib.optionals enablePapi [ papi ];
+    ];
 
     buildInputs = [
       boost

pkgs/nixgen/default.nix

@@ -8,6 +8,7 @@ stdenv.mkDerivation {
   version = "0.0.1";
   src = ./nixgen;
   dontUnpack = true;
+  strictDeps = true;
   phases = [ "installPhase" ];
   installPhase = ''
     mkdir -p $out/bin

pkgs/nixtools/default.nix

@@ -16,6 +16,7 @@ stdenv.mkDerivation rec {
   makeFlags = [ "DESTDIR=$(out)" ];
   preBuild = "env";
   dontPatchShebangs = true;
+  strictDeps = true;
 
   meta = {
     homepage = "https://gitlab.pm.bsc.es/rarias/nixtools";

pkgs/nodes/default.nix

@@ -48,6 +48,7 @@ in
     enableParallelBuilding = true;
     dontStrip = true;
     separateDebugInfo = true;
+    strictDeps = true;
 
     configureFlags = [
       "--with-nosv=${nosv}"

pkgs/nosv/default.nix

@@ -7,7 +7,7 @@
 , numactl
 , hwloc
 , papi
-, enablePapi ? stdenv.hostPlatform == stdenv.buildPlatform # Disabled when cross-compiling
+, enablePapi ? true
 , cacheline ? 64 # bits
 , ovni ? null
 , useGit ? false
@@ -40,16 +40,17 @@ let
 
   source = if (useGit) then git else release;
 in
-  stdenv.mkDerivation rec {
+  stdenv.mkDerivation {
     pname = "nosv";
     inherit (source) src version;
     hardeningDisable = [ "all" ];
     dontStrip = true;
     separateDebugInfo = true;
+    strictDeps = true;
     configureFlags = [
       "--with-ovni=${ovni}"
       "CACHELINE_WIDTH=${toString cacheline}"
-    ];
+    ] ++ lib.optionals enablePapi [ "--with-papi=${papi}" ];
     nativeBuildInputs = [
       autoreconfHook
       pkg-config
@@ -59,6 +60,7 @@ in
       hwloc
       ovni
     ] ++ lib.optionals enablePapi [ papi ];
+    patches = [ ./fix-papi.patch ];
 
     meta = {
       homepage = "https://gitlab.bsc.es/nos-v/nos-v";

pkgs/nosv/fix-papi.patch

@@ -0,0 +1,136 @@
+Commit ID: c09633f172ce4075e0a05a33f6dcbe8e03e1202a
+Change ID: onmwypnnrysktutwsvotqovzponvwrxs
+Bookmarks: fix/papi fix/papi@git fix/papi@origin
+Author   : Aleix Boné <aleix.boneribo@bsc.es> (2025-12-10 11:14:14)
+Committer: Aleix Boné <aleix.boneribo@bsc.es> (2025-12-12 12:56:48)
+
+    Improve PAPI m4 module for cross compilation
+
+diff --git a/m4/papi.m4 b/m4/papi.m4
+index de90584870..8398f856f5 100644
+--- a/m4/papi.m4
++++ b/m4/papi.m4
+@@ -1,6 +1,6 @@
+ #	This file is part of Nanos6 and is licensed under the terms contained in the COPYING file.
+ #
+-#	Copyright (C) 2021-2022 Barcelona Supercomputing Center (BSC)
++#	Copyright (C) 2021-2025 Barcelona Supercomputing Center (BSC)
+ 
+ AC_DEFUN([AC_CHECK_PAPI],
+ 	[
+@@ -8,34 +8,38 @@
+ 			[papi],
+ 			[AS_HELP_STRING([--with-papi=prefix], [specify the installation prefix of PAPI])],
+ 			[ ac_cv_use_papi_prefix=$withval ],
+-			[ ac_cv_use_papi_prefix="" ]
++			[ ac_cv_use_papi_prefix="check" ]
+ 		)
+ 
+ 		if test x"${ac_cv_use_papi_prefix}" = x"no"; then
+ 			AC_MSG_CHECKING([the PAPI installation prefix])
+ 			AC_MSG_RESULT([${ac_cv_use_papi_prefix}])
+ 			ac_use_papi=no
+-		elif test x"${ac_cv_use_papi_prefix}" != x"" ; then
+-			AC_MSG_CHECKING([the PAPI installation prefix])
+-			AC_MSG_RESULT([${ac_cv_use_papi_prefix}])
+-			papi_LIBS="-L${ac_cv_use_papi_prefix}/lib -lpapi -Wl,-rpath,${ac_cv_use_papi_prefix}/lib"
+-			papi_CFLAGS="-I$ac_cv_use_papi_prefix/include"
+-			ac_use_papi=yes
+-		else
++		elif test x"${ac_cv_use_papi_prefix}" = x""; then
++			AC_MSG_RESULT([invalid prefix])
++			AC_MSG_ERROR([papi prefix specified but empty])
++		elif test x"${ac_cv_use_papi_prefix}" = x"yes" -o x"${ac_cv_use_papi_prefix}" = x"check"; then
+ 			PKG_CHECK_MODULES(
+ 				[papi],
+-				[papi],
++				[papi >= 5.6.0],
+ 				[
+ 					AC_MSG_CHECKING([the PAPI installation prefix])
+ 					AC_MSG_RESULT([retrieved from pkg-config])
+ 					papi_CFLAGS="${papi_CFLAGS}"
+ 					ac_use_papi=yes
++					ac_papi_version_correct=yes
+ 				], [
+ 					AC_MSG_CHECKING([the PAPI installation prefix])
+ 					AC_MSG_RESULT([not available])
+ 					ac_use_papi=no
+ 				]
+ 			)
++		else
++			AC_MSG_CHECKING([the PAPI installation prefix])
++			AC_MSG_RESULT([${ac_cv_use_papi_prefix}])
++			papi_LIBS="-L${ac_cv_use_papi_prefix}/lib -lpapi -Wl,-rpath,${ac_cv_use_papi_prefix}/lib"
++			papi_CFLAGS="-I$ac_cv_use_papi_prefix/include"
++			ac_use_papi=yes
+ 		fi
+ 
+ 		if test x"${ac_use_papi}" = x"yes" ; then
+@@ -53,10 +57,10 @@
+ 					ac_use_papi=yes
+ 				],
+ 				[
+-					if test x"${ac_cv_use_papi_prefix}" != x"" ; then
+-						AC_MSG_ERROR([PAPI cannot be found.])
++					if test x"${ac_cv_use_papi_prefix}" = x"yes" ; then
++						AC_MSG_ERROR([PAPI >= 5.6.0 cannot be found.])
+ 					else
+-						AC_MSG_WARN([PAPI cannot be found.])
++						AC_MSG_WARN([PAPI >= 5.6.0 not available.])
+ 					fi
+ 					ac_use_papi=no
+ 				]
+@@ -64,30 +68,38 @@
+ 
+ 			CFLAGS="${ac_save_CFLAGS}"
+ 			LIBS="${ac_save_LIBS}"
++		elif test x"${ac_cv_use_papi_prefix}" = x"yes" ; then
++			AC_MSG_ERROR([PAPI >= 5.6.0 cannot be found.])
+ 		fi
+ 
+-		if test x"${ac_use_papi}" = x"yes" ; then
+-			if test x"${ac_cv_use_papi_prefix}" != x"" ; then
++		if test x"${ac_use_papi}" = x"yes" -a x"${ac_papi_version_correct}" != x"yes" ; then
++			if test x"${ac_cv_use_papi_prefix}" != x"yes" -a x"${ac_cv_use_papi_prefix}" != x"check" ; then
+ 				papiBinary=${ac_cv_use_papi_prefix}/bin/papi_version
+ 			else
+ 				papiBinary=papi_version
+ 			fi
+-			papiVersion=`$papiBinary | sed 's/[[^0-9.]]*\([[0-9.]]*\).*/\1/'`
+ 
+-			AX_COMPARE_VERSION(
+-				[[${papiVersion}]],
+-				[[ge]],
+-				[[5.6.0]],
+-				[[ac_papi_version_correct=yes]],
+-				[[ac_papi_version_correct=no]]
+-			)
+ 
+-			if test x"${ac_papi_version_correct}" != x"yes" ; then
+-				AC_MSG_ERROR([PAPI version must be >= 5.6.0.])
+-				ac_use_papi=no
++			if test x"$cross_compiling" = x"yes" ; then
++				AC_MSG_WARN([Cross-compiling detected, skipping PAPI version check])
+ 			else
+-				AC_MSG_CHECKING([if the PAPI version >= 5.6.0.])
+-				AC_MSG_RESULT([${ac_papi_version_correct}])
++				papiVersion=`$papiBinary | sed 's/[[^0-9.]]*\([[0-9.]]*\).*/\1/'`
++
++				AX_COMPARE_VERSION(
++					[[${papiVersion}]],
++					[[ge]],
++					[[5.6.0]],
++					[[ac_papi_version_correct=yes]],
++					[[ac_papi_version_correct=no]]
++				)
++
++				if test x"${ac_papi_version_correct}" != x"yes" ; then
++					AC_MSG_ERROR([PAPI version must be >= 5.6.0.])
++					ac_use_papi=no
++				else
++					AC_MSG_CHECKING([if the PAPI version >= 5.6.0.])
++					AC_MSG_RESULT([${ac_papi_version_correct}])
++				fi
+ 			fi
+ 		fi
+ 

pkgs/onemath/default.nix

@@ -1,84 +0,0 @@
-{ lib
-, fetchFromGitHub
-, cmake
-, withCFlags
-, intelPackages
-
-, mklSupport ? true
-
-, config
-
-, cudaSupport ? config.cudaSupport
-, cudaPackages ? { }
-
-, rocmSupport ? config.rocmSupport
-, hipTargets ? null # only one target at a time supported
-, rocmPackages ? { }
-}:
-
-let
-  # rocmSupport is not enough, we need a specific target
-  enableHip = rocmSupport && hipTargets != null;
-
-  stdenv = withCFlags (lib.optionals cudaSupport [ "--cuda-path=${cudaPackages.cudatoolkit}" ]) intelPackages.stdenv;
-in
-
-  # at least one backend has to be enabled
-  assert mklSupport || cudaSupport || enableHip;
-
-stdenv.mkDerivation rec {
-  pname = "oneMath";
-  version = "0.8";
-
-  src = fetchFromGitHub {
-    owner = "uxlfoundation";
-    repo = "oneMath";
-    rev = "v${version}";
-    sha256 = "sha256-xK8lKI3oqKlx3xtvdScpMq+HXAuoYCP0BZdkEqnJP5o=";
-  };
-
-  cmakeFlags = [
-    (lib.cmakeBool "ENABLE_MKLCPU_BACKEND"    mklSupport)
-    (lib.cmakeBool "ENABLE_MKLGPU_BACKEND"    mklSupport)
-
-    (lib.cmakeBool "ENABLE_CUBLAS_BACKEND"    cudaSupport)
-    (lib.cmakeBool "ENABLE_CUFFT_BACKEND"     cudaSupport)
-    (lib.cmakeBool "ENABLE_CURAND_BACKEND"    cudaSupport)
-    (lib.cmakeBool "ENABLE_CUSOLVER_BACKEND"  cudaSupport)
-    (lib.cmakeBool "ENABLE_CUSPARSE_BACKEND"  cudaSupport)
-
-    (lib.cmakeBool "ENABLE_ROCBLAS_BACKEND"   enableHip)
-    (lib.cmakeBool "ENABLE_ROCFFT_BACKEND"    enableHip)
-    (lib.cmakeBool "ENABLE_ROCSOLVER_BACKEND" enableHip)
-    (lib.cmakeBool "ENABLE_ROCRAND_BACKEND"   enableHip)
-    (lib.cmakeBool "ENABLE_ROCSPARSE_BACKEND" enableHip)
-
-    (lib.cmakeBool "BUILD_FUNCTIONAL_TESTS" false)
-    (lib.cmakeBool "BUILD_EXAMPLES" false)
-  ] ++ lib.optionals enableHip [
-    (lib.cmakeFeature "HIP_TARGETS" hipTargets)
-  ];
-
-  nativeBuildInputs = [ cmake ];
-  buildInputs = lib.optionals (mklSupport) [
-    intelPackages.mkl
-    intelPackages.tbb
-  ] ++ lib.optionals (enableHip) [
-    rocmPackages.rocmPath
-    rocmPackages.rocblas
-    rocmPackages.rocfft
-    rocmPackages.rocsolver
-    rocmPackages.rocrand
-    rocmPackages.rocsparse
-  ] ++ lib.optionals (cudaSupport) [
-    (lib.getDev cudaPackages.cuda_cudart)
-    cudaPackages.cudatoolkit
-
-    cudaPackages.libcublas
-    cudaPackages.libcurand
-    cudaPackages.libcufft
-    cudaPackages.libcusparse
-    cudaPackages.libcusolver
-  ];
-
-}

pkgs/osu/default.nix

@@ -24,6 +24,7 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
   enableParallelBuilding = true;
+  strictDeps = true;
   nativeBuildInputs = [ mpiAll ];
   buildInputs = [ mpiAll ];
   hardeningDisable = [ "all" ];

pkgs/ovni/default.nix

@@ -40,6 +40,7 @@ in
     inherit (source) src version;
     dontStrip = true;
     separateDebugInfo = true;
+    strictDeps = true;
     postPatch = ''
       patchShebangs --build test/
     '';

pkgs/papi/default.nix

@@ -0,0 +1,22 @@
+{
+  stdenv,
+  papi,
+}:
+
+if stdenv.hostPlatform == stdenv.buildPlatform then
+  papi
+else
+  papi.overrideAttrs (old: {
+    configureFlags = (old.configureFlags or [ ]) ++ [
+      "--enable-perf_event_uncore=no"
+      "--with-sysdetect=no"
+      "--with-ffsll"
+      "--with-tls=__thread"
+      "--with-virtualtimer=clock_thread_cputime_id"
+      "--with-walltimer=clock_realtime"
+      "--with-perf-events"
+      "--with-CPU=${stdenv.hostPlatform.uname.processor}"
+      "--with-arch=${stdenv.hostPlatform.uname.processor}"
+    ];
+    patches = (old.patches or [ ]) ++ [ ./fix-ar-cross.patch ];
+  })

pkgs/papi/fix-ar-cross.patch

@@ -0,0 +1,19 @@
+diff --git a/sde_lib/Makefile b/sde_lib/Makefile
+index 8518f92..90a9953 100644
+--- a/sde_lib/Makefile
++++ b/sde_lib/Makefile
+@@ -1,4 +1,5 @@
+ CC ?= gcc
++AR ?= ar
+ SDE_INC = -I. -I..
+ SDE_LD = -ldl -pthread
+ CFLAGS += -Wextra -Wall -O2
+@@ -18,7 +19,7 @@ dynamic: $(DOBJS)
+ 	rm -f *_d.o
+ 
+ static: $(SOBJS)
+-	ar rs libsde.a $(SOBJS)
++	$(AR) rs libsde.a $(SOBJS)
+ 	rm -f *_s.o
+ 
+ clean:

pkgs/paraver/default.nix

@@ -47,6 +47,7 @@ stdenv.mkDerivation rec {
 
   dontStrip = true;
   enableParallelBuilding = true;
+  strictDeps = true;
 
   preConfigure = ''
     export CFLAGS="-O3"

pkgs/paraver/kernel.nix

@@ -34,6 +34,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   dontStrip = true;
+  strictDeps = true;
 
   preConfigure = ''
     export CFLAGS="-O3 -DPARALLEL_ENABLED"

pkgs/slurm-exporter/default.nix

@@ -13,6 +13,7 @@ buildGoModule rec {
 
   vendorHash = "sha256-A1dd9T9SIEHDCiVT2UwV6T02BSLh9ej6LC/2l54hgwI=";
   doCheck = false;
+  strictDeps = true;
 
   meta = with lib; {
     description = "Prometheus SLURM Exporter";

pkgs/sonar/default.nix

@@ -18,6 +18,7 @@ stdenv.mkDerivation rec {
   };
   hardeningDisable = [ "all" ];
   dontStrip = true;
+  strictDeps = true;
   configureFlags = [ "--with-ovni=${ovni}" ];
 
   nativeBuildInputs = [

pkgs/tagaspi/default.nix

@@ -17,6 +17,7 @@ stdenv.mkDerivation rec {
   pname = "tagaspi";
   enableParallelBuilding = true;
   separateDebugInfo = true;
+  strictDeps = true;
 
   version = "2.0";
   src = fetchFromGitHub {

pkgs/tampi/default.nix

@@ -45,6 +45,7 @@ in stdenv.mkDerivation {
   inherit (source) src version;
   enableParallelBuilding = true;
   separateDebugInfo = true;
+  strictDeps = true;
 
   nativeBuildInputs = [
     autoconf

pkgs/tasycl/default.nix

@@ -1,87 +0,0 @@
-{
-  lib,
-  stdenv,
-  autoconf,
-  automake,
-  autoreconfHook,
-  boost,
-  fetchFromGitHub,
-  gnumake,
-  libtool,
-  withCFlags,
-
-  useIntel ? true,
-  adaptivecpp ? null,
-  intelPackages ? null,
-
-  useGit ? false,
-  gitUrl ? "git@gitlab-internal.bsc.es:task-awareness/tasycl/tasycl.git",
-  gitBranch ? "main",
-  gitCommit ? "78f98dcf60a66e0eaa3b4ebcf55be076bec64825",
-}:
-
-assert !useIntel -> adaptivecpp != null;
-assert useIntel -> intelPackages != null;
-
-let
-  variant = if useIntel then "intel" else "acpp";
-
-  syclStdenv = withCFlags [ "-O3" ] (if useIntel then intelPackages.stdenv else stdenv);
-
-  release = rec {
-    version = "2.1.0";
-    src = fetchFromGitHub {
-      owner = "bsc-pm";
-      repo = "tasycl";
-      rev = version;
-      hash = "sha256-0kXnb0lHeQNHR27GTLbJ8xbiICLU8k2+FqEnnFSrzzo=";
-    };
-  };
-
-  git = rec {
-    version = src.shortRev;
-    src = builtins.fetchGit {
-      url = gitUrl;
-      ref = gitBranch;
-      rev = gitCommit;
-    };
-  };
-
-  source = if (useGit) then git else release;
-
-in
-
-syclStdenv.mkDerivation {
-  pname = "tasycl-${variant}";
-  inherit (source) src version;
-
-  enableParallelBuilding = true;
-  separateDebugInfo = true;
-
-  nativeBuildInputs = [
-    autoreconfHook
-    automake
-    autoconf
-    libtool
-    gnumake
-  ];
-
-  buildInputs = [
-    boost
-  ];
-
-  configureFlags = lib.optionals (!useIntel) [
-    "CXX=${lib.getExe adaptivecpp}"
-  ];
-
-  # add symlinks so we can explicitly link with tasycl-intel / tasycl-acpp
-  postInstall = ''
-    pushd $out/lib
-    for i in libtasycl* ; do
-      ln -s "$i" "''\${i/tasycl/tasycl-${variant}}"
-    done
-    popd
-  '';
-
-  hardeningDisable = [ "all" ];
-}

pkgs/upc-qaire-exporter/default.nix

@@ -9,6 +9,7 @@ python3Packages.buildPythonApplication {
   src = ./.;
 
   doCheck = false;
+  strictDeps = true;
 
   build-system = with python3Packages; [
     setuptools

test/compilers/clang-openmp-ld.nix

@@ -23,9 +23,6 @@ in stdenv.mkDerivation {
   dontUnpack = true;
   dontConfigure = true;
 
-  # nOS-V requires access to /sys/devices to request NUMA information
-  requiredSystemFeatures = [ "sys-devices" ];
-
   buildInputs = [ openmp ];
 
   buildPhase = ''

test/compilers/hello-sycl.nix

@@ -1,55 +0,0 @@
-{ intelPackages,  writeText, strace }:
-
-let
-  stdenv = intelPackages.stdenv;
-  hello_sycl = writeText "hello.cpp" ''
-    #include <sycl/sycl.hpp>
-
-    class hello_world;
-
-    int main(int argc, char** argv) try {
-        auto device_selector = sycl::default_selector_v;
-
-        sycl::queue queue(device_selector);
-
-        std::cout << "Running on: "
-                  << queue.get_device().get_info<sycl::info::device::name>()
-                  << std::endl;
-
-        queue.submit([&] (sycl::handler& cgh) {
-            auto os = sycl::stream{128, 128, cgh};
-            cgh.single_task<hello_world>([=]() {
-                os << "Hello World! (on device)\n";
-            });
-        });
-
-        return 0;
-    } catch (sycl::exception &e) {
-        std::cout << "SYCL exception: " << e.what() << std::endl;
-        return 0; // we excpect to fail since no devices should be available;
-    }
-  '';
-in
-
-stdenv.mkDerivation {
-  version = "0.0.1";
-  name = "hello-sycl";
-  buildInputs = [ stdenv strace ];
-  src = hello_sycl;
-  dontUnpack = true;
-  dontConfigure = true;
-  NIX_DEBUG = 0;
-  buildPhase = ''
-    cp $src hello.cpp
-    set -x
-    echo CXX=$CXX
-    command -v $CXX
-    $CXX -fsycl hello.cpp -o hello
-    ./hello
-    set +x
-  '';
-
-  installPhase = ''
-    touch $out
-  '';
-}

test/compilers/icpx-ompss2.nix

@@ -1,74 +0,0 @@
-{ writeText, intelPackages, nodes, nosv, clangOmpss2Nodes, strace }:
-
-let
-  hello_cpp = writeText "hello.cpp" ''
-    #include <cstdio>
-    #include <sycl/sycl.hpp>
-
-    int main(int argc, char** argv) try {
-        sycl::queue queue;
-
-        std::cout << "Running on: "
-                  << queue.get_device().get_info<sycl::info::device::name>()
-                  << std::endl;
-
-        #pragma oss task
-        queue.submit([&] (sycl::handler& cgh) {
-            auto os = sycl::stream{128, 128, cgh};
-            cgh.single_task<class hello_world>([=]() {
-                os << "Hello World! (on device)\n";
-            });
-        }).wait();
-
-        return 0;
-    } catch (sycl::exception &e) {
-        std::cout << "SYCL exception: " << e.what() << std::endl;
-        return 0; // we expect to fail since no devices should be available;
-    }
-
-  '';
-in
-
-intelPackages.stdenv.mkDerivation {
-  version = "0.0.1";
-  name = "hello-syclompss";
-
-  src = hello_cpp;
-
-  nativeBuildInputs = [
-    strace
-    nodes
-    nosv
-  ];
-
-  dontUnpack = true;
-  dontConfigure = true;
-
-  # NODES requires access to /sys/devices to request NUMA information
-  requiredSystemFeatures = [ "sys-devices" ];
-
-  env.NODES_HOME = nodes;
-
-  NIX_DEBUG = 1;
-  buildPhase = ''
-    cp $src hello.cpp
-    set -x
-    echo CXX=$CXX
-    echo NODES_HOME=$NODES_HOME
-    command -v $CXX
-
-    icpx -Wno-deprecated-declarations -fsycl \
-        -fsycl-host-compiler=${clangOmpss2Nodes.forIcpx}/bin/clang++ \
-        -fsycl-host-compiler-options='-Wno-deprecated-declarations -fompss-2=libnodes' \
-        -lnodes -lnosv \
-        $NODES_HOME/lib/nodes-main-wrapper.o \
-        hello.cpp -o hello
-
-    ./hello
-    set +x
-  '';
-
-  installPhase = ''
-    touch $out
-  '';
-}