Set LLVM_BUILD_NATIVE=ON

flake.lock

@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1764522689,
-        "narHash": "sha256-SqUuBFjhl/kpDiVaKLQBoD8TLD+/cTUzzgVFoaHrkqY=",
+        "lastModified": 1752436162,
+        "narHash": "sha256-Kt1UIPi7kZqkSc5HVj6UY5YLHHEzPBkgpNUByuyxtlw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8bb5646e0bed5dbd3ab08c7a7cc15b75ab4e1d0f",
+        "rev": "dfcd5b901dbab46c9c6e80b265648481aafb01f8",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.11",
+        "ref": "nixos-25.05",
         "repo": "nixpkgs",
         "type": "github"
       }

flake.nix

@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
   };
 
   outputs = { self, nixpkgs, ... }:

m/common/base/env.nix

@@ -1,10 +1,10 @@
-{ pkgs, ... }:
+{ pkgs, config, ... }:
 
 {
   environment.systemPackages = with pkgs; [
     vim wget git htop tmux pciutils tcpdump ripgrep nix-index nixos-option
     nix-diff ipmitool freeipmi ethtool lm_sensors cmake gnumake file tree
-    ncdu perf ldns pv
+    ncdu config.boot.kernelPackages.perf ldns pv
     # From jungle overlay
     osumb nixgen
   ];

m/common/base/watchdog.nix

@@ -5,5 +5,5 @@
   boot.kernelModules = [ "ipmi_watchdog" ];
 
   # Enable systemd watchdog with 30 s interval
-  systemd.settings.Manager.RuntimeWatchdogSec = 30;
+  systemd.watchdog.runtimeTime = "30s";
 }

m/module/debuginfod.nix

@@ -1,10 +1,3 @@
 {
-  services.nixseparatedebuginfod2 = {
-    enable = true;
-    substituters = [
-      "local:"
-      "https://cache.nixos.org"
-      "http://hut/cache"
-    ];
-  };
+  services.nixseparatedebuginfod.enable = true;
 }

overlay.nix

@@ -30,8 +30,7 @@ let
       amd-uprof-driver = _prev.callPackage ./pkgs/amd-uprof/driver.nix { };
     });
     lmbench = callPackage ./pkgs/lmbench/default.nix { };
-    # Broken and unmantained
-    # mcxx = callPackage ./pkgs/mcxx/default.nix { };
+    mcxx = callPackage ./pkgs/mcxx/default.nix { };
     meteocat-exporter = prev.callPackage ./pkgs/meteocat-exporter/default.nix { };
     mpi = final.mpich; # Set MPICH as default
     mpich = callPackage ./pkgs/mpich/default.nix { mpich = prev.mpich; };

pkgs/amd-uprof/driver.nix

@@ -19,7 +19,7 @@ in stdenv.mkDerivation {
   '';
   hardeningDisable = [ "pic" "format" ];
   nativeBuildInputs = kernel.moduleBuildDependencies;
-  patches = [ ./makefile.patch ./hrtimer.patch ./remove-wr-rdmsrq.patch ];
+  patches = [ ./makefile.patch ./hrtimer.patch ];
   makeFlags = [
     "KERNEL_VERSION=${kernel.modDirVersion}"
     "KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"

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

@@ -1,20 +0,0 @@
-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/cudainfo/default.nix

@@ -12,7 +12,7 @@ stdenv.mkDerivation (finalAttrs: {
   src = ./.;
   buildInputs = [
     cudatoolkit # Required for nvcc
-    (lib.getOutput "static" cudaPackages.cuda_cudart) # Required for -lcudart_static
+    cudaPackages.cuda_cudart.static # Required for -lcudart_static
     autoAddDriverRunpath
   ];
   installPhase = ''

pkgs/intel-oneapi/2023.nix

@@ -10,7 +10,7 @@
 , zlib
 , autoPatchelfHook
 , libfabric
-, gcc
+, gcc13
 , wrapCCWith
 }:
 
@@ -33,6 +33,8 @@ let
     maintainers = with lib.maintainers.bsc; [ abonerib ];
   };
 
+  gcc = gcc13;
+
   v = {
     hpckit   = "2023.1.0";
     compiler = "2023.1.0";

pkgs/llvm-ompss2/clang.nix

@@ -17,6 +17,7 @@
 , gitUrl ? "ssh://git@bscpm04.bsc.es/llvm-ompss/llvm-mono.git"
 , gitBranch ? "master"
 , gitCommit ? "872ba63f86edaefc9787984ef3fae9f2f94e0124" # github-release-2025.11
+, buildLlvmPackages
 }:
 
 let
@@ -119,6 +120,8 @@ in stdenv.mkDerivation {
       "-DCMAKE_INSTALL_RPATH=${zlib}/lib:${gcc.cc.lib}/lib"
       "-DLLVM_APPEND_VC_REV=ON"
       "-DLLVM_FORCE_VC_REVISION=${source.version}"
+      "-DLLVM_TABLEGEN_EXE=${buildLlvmPackages.tblgen}/bin/llvm-tblgen"
+      "-DCLANG_TABLEGEN=${buildLlvmPackages.tblgen}/bin/clang-tblgen"
     )
   '';
 

pkgs/llvm-ompss2/default.nix

@@ -27,10 +27,10 @@ let
   # We need to replace the lld linker from bintools with our linker just built,
   # otherwise we run into incompatibility issues when mixing compiler and linker
   # versions.
-  bintools-unwrapped = llvmPackages_latest.bintools-unwrapped.override {
+  bintools-unwrapped = llvmPackages_latest.tools.bintools-unwrapped.override {
     lld = clangOmpss2Unwrapped;
   };
-  bintools = llvmPackages_latest.bintools.override {
+  bintools = llvmPackages_latest.tools.bintools.override {
     bintools = bintools-unwrapped;
   };
   targetConfig = stdenv.targetPlatform.config;

pkgs/mcxx/default.nix

@@ -65,7 +65,6 @@ stdenv.mkDerivation rec {
   ];
 
   meta = {
-    broken = true;
     homepage = "https://github.com/bsc-pm/mcxx";
     description = "C/C++/Fortran source-to-source compilation infrastructure aimed at fast prototyping";
     maintainers = with lib.maintainers.bsc; [ rpenacob ];

pkgs/meteocat-exporter/default.nix

@@ -1,11 +1,9 @@
 { python3Packages, lib }:
 
-python3Packages.buildPythonApplication {
+python3Packages.buildPythonApplication rec {
   pname = "meteocat-exporter";
   version = "1.0";
 
-  pyproject = true;
-
   src = ./.;
 
   doCheck = false;

pkgs/paraver/default.nix

@@ -12,7 +12,7 @@
 , paraverKernel
 , openssl
 , glibcLocales
-, wrapGAppsHook3
+, wrapGAppsHook
 }:
 
 let
@@ -64,7 +64,7 @@ stdenv.mkDerivation rec {
     autoconf
     automake
     autoreconfHook
-    wrapGAppsHook3
+    wrapGAppsHook
   ];
 
   buildInputs = [

pkgs/upc-qaire-exporter/default.nix

@@ -1,11 +1,9 @@
 { python3Packages, lib }:
 
-python3Packages.buildPythonApplication {
+python3Packages.buildPythonApplication rec {
   pname = "upc-qaire-exporter";
   version = "1.0";
 
-  pyproject = true;
-
   src = ./.;
 
   doCheck = false;