targetTarget might be missing when native build

.gitea/workflows/ci.yaml

@@ -1,15 +0,0 @@
-name: CI
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-
-jobs:
-  build:all:
-    runs-on: native
-    steps:
-      - uses: https://gitea.com/ScMi1/checkout@v1.4
-      - run: nix build -L --no-link --print-out-paths .#bsc-ci.all

flake.nix

@@ -2,25 +2,16 @@
   inputs.nixpkgs.url = "nixpkgs";
 
   outputs = { self, nixpkgs, ...}:
-    let
+  let
+    pkgs = import nixpkgs {
       # For now we only support x86
       system = "x86_64-linux";
-      pkgs = import nixpkgs {
-        inherit system;
-        overlays = [ self.overlays.default ];
-      };
-    in
+      overlays = [ self.overlays.default ];
+    };
+  in
     {
       bscOverlay = import ./overlay.nix;
       overlays.default = self.bscOverlay;
-      # full nixpkgs with our overlay applied
-      legacyPackages.${system} = pkgs;
-
-      hydraJobs = {
-        inherit (self.legacyPackages.${system}.bsc-ci) tests pkgs cross;
-      };
-
-      # propagate nixpkgs lib, so we can do bscpkgs.lib
-      inherit (nixpkgs) lib;
+      legacyPackages.x86_64-linux = pkgs;
     };
 }

overlay.nix

@@ -6,16 +6,20 @@ with final.lib;
 let
   callPackage = final.callPackage;
 
+  mkDeps = name: pkgs: final.runCommand name { }
+    "printf '%s\n' ${toString (collect (x: x ? outPath) pkgs)} > $out";
+
   bscPkgs = {
     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 { };
+
     #extrae = callPackage ./pkgs/extrae/default.nix { }; # Broken and outdated
-    gpi-2 = callPackage ./pkgs/gpi-2/default.nix { };
+    #gpi-2 = callPackage ./pkgs/gpi-2/default.nix { }; # Broken: https://jungle.bsc.es/git/rarias/bscpkgs/issues/7
     intelPackages_2023 = callPackage ./pkgs/intel-oneapi/2023.nix { };
     jemallocNanos6 = callPackage ./pkgs/nanos6/jemalloc.nix { };
     lmbench = callPackage ./pkgs/lmbench/default.nix { };
@@ -37,83 +41,65 @@ let
     #pscom = callPackage ./pkgs/parastation/pscom.nix { }; # Unmaintaned
     #psmpi = callPackage ./pkgs/parastation/psmpi.nix { }; # Unmaintaned
     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; };
-    tagaspi = callPackage ./pkgs/tagaspi/default.nix { };
+    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 { }; # Broken due gpi-2
     tampi = callPackage ./pkgs/tampi/default.nix { };
     wxparaver = callPackage ./pkgs/paraver/default.nix { };
   };
 
-  tests = rec {
-    #hwloc = callPackage ./test/bugs/hwloc.nix { }; # Broken, no /sys
-    #sigsegv = callPackage ./test/reproducers/sigsegv.nix { };
-    hello-c = callPackage ./test/compilers/hello-c.nix { };
-    hello-cpp = callPackage ./test/compilers/hello-cpp.nix { };
-    lto = callPackage ./test/compilers/lto.nix { };
-    asan = callPackage ./test/compilers/asan.nix { };
-    intel2023-icx-c   = hello-c.override   { stdenv = final.intelPackages_2023.stdenv; };
-    intel2023-icc-c   = hello-c.override   { stdenv = final.intelPackages_2023.stdenv-icc; };
-    intel2023-icx-cpp = hello-cpp.override { stdenv = final.intelPackages_2023.stdenv; };
-    intel2023-icc-cpp = hello-cpp.override { stdenv = final.intelPackages_2023.stdenv-icc; };
-    intel2023-ifort   = callPackage ./test/compilers/hello-f.nix {
-      stdenv = final.intelPackages_2023.stdenv-ifort;
-    };
-    clangOmpss2-lto   = lto.override       { stdenv = final.stdenvClangOmpss2Nanos6; };
-    clangOmpss2-asan  = asan.override      { stdenv = final.stdenvClangOmpss2Nanos6; };
-    clangOmpss2-task  = callPackage ./test/compilers/ompss2.nix {
-      stdenv = final.stdenvClangOmpss2Nanos6;
-    };
-    clangNodes-task = callPackage ./test/compilers/ompss2.nix {
-      stdenv = final.stdenvClangOmpss2Nodes;
-    };
-    clangNosvOpenmp-task = callPackage ./test/compilers/clang-openmp.nix {
-      stdenv = final.stdenvClangOmpss2Nodes;
-    };
-    clangNosvOmpv-nosv = callPackage ./test/compilers/clang-openmp-nosv.nix {
-      stdenv = final.stdenvClangOmpss2NodesOmpv;
-    };
-    clangNosvOmpv-ld = callPackage ./test/compilers/clang-openmp-ld.nix {
-      stdenv = final.stdenvClangOmpss2NodesOmpv;
-    };
-  };
-
-  pkgs = filterAttrs (_: isDerivation) bscPkgs;
-
-  crossTargets = [ "riscv64" ];
-  cross = prev.lib.genAttrs crossTargets (target:
-    final.pkgsCross.${target}.bsc-ci.pkgs
-  );
-
-  buildList = name: paths:
-    final.runCommandLocal name { } ''
-      printf '%s\n' ${toString paths} | tee $out
-    '';
-
-  buildList' = name: paths:
-    final.runCommandLocal name { } ''
-      deps="${toString paths}"
-      cat $deps
-      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 ];
-
 in bscPkgs // {
   # Prevent accidental usage of bsc attribute
   bsc = throw "the bsc attribute is deprecated, packages are now in the root";
 
   # Internal for our CI tests
   bsc-ci = {
-    inherit pkgs pkgsList;
-    inherit tests testList;
-    inherit cross crossList;
-    inherit all;
+    test = rec {
+      #hwloc = callPackage ./test/bugs/hwloc.nix { }; # Broken, no /sys
+      #sigsegv = callPackage ./test/reproducers/sigsegv.nix { };
+      hello-c = callPackage ./test/compilers/hello-c.nix { };
+      hello-cpp = callPackage ./test/compilers/hello-cpp.nix { };
+      lto = callPackage ./test/compilers/lto.nix { };
+      asan = callPackage ./test/compilers/asan.nix { };
+      intel2023-icx-c   = hello-c.override   { stdenv = final.intelPackages_2023.stdenv; };
+      intel2023-icc-c   = hello-c.override   { stdenv = final.intelPackages_2023.stdenv-icc; };
+      intel2023-icx-cpp = hello-cpp.override { stdenv = final.intelPackages_2023.stdenv; };
+      intel2023-icc-cpp = hello-cpp.override { stdenv = final.intelPackages_2023.stdenv-icc; };
+      intel2023-ifort   = callPackage ./test/compilers/hello-f.nix {
+        stdenv = final.intelPackages_2023.stdenv-ifort;
+      };
+      clangOmpss2-lto   = lto.override       { stdenv = final.stdenvClangOmpss2Nanos6; };
+      clangOmpss2-asan  = asan.override      { stdenv = final.stdenvClangOmpss2Nanos6; };
+      clangOmpss2-task  = callPackage ./test/compilers/ompss2.nix {
+        stdenv = final.stdenvClangOmpss2Nanos6;
+      };
+      clangNodes-task = callPackage ./test/compilers/ompss2.nix {
+        stdenv = final.stdenvClangOmpss2Nodes;
+      };
+      clangNosvOpenmp-task = callPackage ./test/compilers/clang-openmp.nix {
+        stdenv = final.stdenvClangOmpss2Nodes;
+      };
+      clangNosvOmpv-nosv = callPackage ./test/compilers/clang-openmp-nosv.nix {
+        stdenv = final.stdenvClangOmpss2NodesOmpv;
+      };
+      clangNosvOmpv-ld = callPackage ./test/compilers/clang-openmp-ld.nix {
+        stdenv = final.stdenvClangOmpss2NodesOmpv;
+      };
+    };
+
+    pkgs = final.runCommand "ci-pkgs" { }
+      "printf '%s\n' ${toString (collect isDerivation bscPkgs)} > $out";
+
+    tests = final.runCommand "ci-tests" { }
+      "printf '%s\n' ${toString (collect isDerivation final.bsc-ci.test)} > $out";
+
+    all = final.runCommand "ci-all" { }
+    ''
+      deps="${toString [ final.bsc-ci.pkgs final.bsc-ci.tests ]}"
+      cat $deps
+      printf '%s\n' $deps > $out
+    '';
   };
 }

pkgs/bench6/default.nix

@@ -27,13 +27,10 @@ stdenv.mkDerivation rec {
     rev = gitCommit;
   };
 
-  nativeBuildInputs = [
-    cmake
-    clangOmpss2
-  ];
-
   buildInputs = [
     bigotes
+    cmake
+    clangOmpss2
     openmp
     openmpv
     nanos6

pkgs/bigotes/default.nix

@@ -4,7 +4,7 @@
 , cmake
 }:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "bigotes";
   version = "9dce13";
   src = fetchFromGitHub {
@@ -13,5 +13,5 @@ stdenv.mkDerivation {
     rev = "9dce13446a8da30bea552d569d260d54e0188518";
     sha256 = "sha256-ktxM3pXiL8YXSK+/IKWYadijhYXqGoLY6adLk36iigE=";
   };
-  nativeBuildInputs = [ cmake ];
+  buildInputs = [ cmake ];
 }

pkgs/gpi-2/default.nix

@@ -34,8 +34,6 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  patches = [ ./rdma-core.patch ./max-mem.patch ];
-
   preConfigure = ''
     patchShebangs autogen.sh
     ./autogen.sh

pkgs/gpi-2/max-mem.patch

@@ -1,10 +0,0 @@
---- a/tests/tests/segments/max_mem.c	2025-09-12 13:30:53.449353591 +0200
-+++ b/tests/tests/segments/max_mem.c	2025-09-12 13:33:49.750352401 +0200
-@@ -1,5 +1,7 @@
- #include <test_utils.h>
- 
-+gaspi_size_t gaspi_get_system_mem (void);
-+
- /* Test allocates 45% of system memory and creates a segment that
-    large or if several ranks per node exist, divided among that
-    number */

pkgs/gpi-2/rdma-core.patch

@@ -1,12 +0,0 @@
---- a/src/devices/ib/GPI2_IB.h	2025-09-12 13:25:31.564181121 +0200
-+++ b/src/devices/ib/GPI2_IB.h	2025-09-12 13:24:49.105422150 +0200
-@@ -26,6 +26,9 @@ along with GPI-2. If not, see <http://ww
- 
- #include "GPI2_Dev.h"
- 
-+/* Missing prototype as driver.h is now private */
-+int ibv_read_sysfs_file(const char *dir, const char *file, char *buf, size_t size);
-+
- #define GASPI_GID_INDEX   (0)
- #define PORT_LINK_UP      (5)
- #define MAX_INLINE_BYTES  (128)

pkgs/intel-oneapi/2023.nix

@@ -78,7 +78,7 @@ let
   uncompressDebs = debs: name: stdenv.mkDerivation {
     name = name;
     srcs = debs;
-    nativeBuildInputs = [ dpkg ];
+    buildInputs = [ dpkg ];
     phases = [ "installPhase" ];
     installPhase = ''
       mkdir -p $out
@@ -108,17 +108,14 @@ let
       "intel-oneapi-mpi-${version}"
     ];
 
-    nativeBuildInputs = [
-      autoPatchelfHook
-      rsync
-    ];
-
     buildInputs = [
+      rsync
       libfabric
       zlib
       stdenv.cc.cc.lib
     ];
 
+    nativeBuildInputs = [ autoPatchelfHook ];
     phases = [ "installPhase" "fixupPhase" ];
     dontStrip = true;
     installPhase = ''
@@ -157,6 +154,7 @@ let
 
     buildInputs = [
       intel-mpi
+      rsync
       libffi_3_3
       libelf
       libxml2
@@ -164,10 +162,7 @@ let
       stdenv.cc.cc.lib
     ];
 
-    nativeBuildInputs = [
-      autoPatchelfHook
-      rsync
-    ];
+    nativeBuildInputs = [ autoPatchelfHook ];
     phases = [ "installPhase" "fixupPhase" ];
     dontStrip = true;
 
@@ -197,6 +192,7 @@ let
     buildInputs = [
       intel-mpi
       intel-tbb
+      rsync
       libffi_3_3
       libelf
       libxml2
@@ -205,10 +201,7 @@ let
       stdenv.cc.cc.lib
     ];
 
-    nativeBuildInputs = [
-      autoPatchelfHook
-      rsync
-    ];
+    nativeBuildInputs = [ autoPatchelfHook ];
     phases = [ "installPhase" "fixupPhase" ];
     dontStrip = true;
 
@@ -261,6 +254,7 @@ let
     buildInputs = [
       intel-mpi
       intel-compiler-shared
+      rsync
       libffi_3_3
       libelf
       libxml2
@@ -268,10 +262,7 @@ let
       stdenv.cc.cc.lib
     ];
 
-    nativeBuildInputs = [
-      autoPatchelfHook
-      rsync
-    ];
+    nativeBuildInputs = [ autoPatchelfHook ];
 
     phases = [ "installPhase" "fixupPhase" ];
 
@@ -346,6 +337,7 @@ let
 
     buildInputs = [
       intel-compiler-shared
+      rsync
       libffi_3_3
       libelf
       libxml2
@@ -353,10 +345,7 @@ let
       stdenv.cc.cc.lib
     ];
 
-    nativeBuildInputs = [
-      autoPatchelfHook
-      rsync
-    ];
+    nativeBuildInputs = [ autoPatchelfHook ];
     autoPatchelfIgnoreMissingDeps = [ "libtbb.so.12" "libtbbmalloc.so.2" "libze_loader.so.1" ];
 
     phases = [ "installPhase" "fixupPhase" ];

pkgs/llvm-ompss2/clang.nix

@@ -1,5 +1,6 @@
 {
-  llvmPackages_latest
+  stdenv
+, llvmPackages_latest
 , lib
 , fetchFromGitHub
 , cmake
@@ -11,7 +12,6 @@
 , 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 +20,10 @@
 }:
 
 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 = "2025.06";
@@ -43,38 +46,37 @@ let
 
   source = if (useGit) then git else release;
 
-in stdenv.mkDerivation {
+in llvmStdenv.mkDerivation rec {
   pname = "clang-ompss2";
   inherit (source) src version;
 
   enableParallelBuilding = true;
+  isClang = true;
 
   passthru = {
     CC = "clang";
     CXX = "clang++";
-
-    isClang = true;
-    isClangWithOmpss = true;
-
-    inherit gcc zlib;
   };
 
+  isClangWithOmpss = true;
+
   nativeBuildInputs = [
-    bash
-    cmake
-    elfutils
-    llvmPackages_latest.lld
-    pkg-config
-    python3
-    perl
-    which
     zlib
+    gcc.cc.lib # Required for libstdc++.so.6
+    cmake
+    python3
+    llvmPackages.lld
   ];
 
   buildInputs = [
+    which
+    bash
+    perl
+    llvmPackages.lld
+    elfutils
     libffi
+    pkg-config
     zlib
-    gcc.cc.lib # Required for libstdc++.so.6
   ];
 
   # Error with -D_FORTIFY_SOURCE=2, see https://bugs.gentoo.org/636604:
@@ -90,6 +92,7 @@ in stdenv.mkDerivation {
 
   dontUseCmakeBuildDir = true;
 
+
   # Fix the host triple, as it has changed in a newer config.guess:
   # https://git.savannah.gnu.org/gitweb/?p=config.git;a=commitdiff;h=ca9bfb8cc75a2be1819d89c664a867785c96c9ba
   preConfigure = ''
@@ -97,8 +100,13 @@ in stdenv.mkDerivation {
     cd build
     cmakeDir="../llvm"
     cmakeFlagsArray=(
-      "-DLLVM_HOST_TRIPLE=${stdenv.targetPlatform.config}"
+      "-DLLVM_HOST_TRIPLE=${llvmStdenv.targetPlatform.config}"
+    '' + (if "${llvmStdenv.targetPlatform.config}" == "riscv64-unknown-linux-gnu" then ''
+      "-DLLVM_DEFAULT_TARGET_TRIPLE=riscv64-unknown-linux-gnu"
+      "-DLLVM_TARGETS_TO_BUILD=RISCV"
+    '' else ''
       "-DLLVM_TARGETS_TO_BUILD=host"
+    '') + ''
       "-DLLVM_BUILD_LLVM_DYLIB=ON"
       "-DLLVM_LINK_LLVM_DYLIB=ON"
       # Required to run clang-ast-dump and clang-tblgen during build
@@ -107,7 +115,8 @@ in stdenv.mkDerivation {
       "-DCMAKE_CXX_FLAGS_DEBUG=-g -ggnu-pubnames"
       "-DCMAKE_EXE_LINKER_FLAGS_DEBUG=-Wl,--gdb-index"
       "-DLLVM_LIT_ARGS=-sv --xunit-xml-output=xunit.xml"
-      "-DLLVM_ENABLE_PROJECTS=clang;compiler-rt;lld"
+      "-DLLVM_ENABLE_PROJECTS=clang;lld"
+      #"-DLLVM_ENABLE_PROJECTS=clang;compiler-rt;lld"
       "-DLLVM_ENABLE_ASSERTIONS=ON"
       "-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON"
       "-DCMAKE_INSTALL_BINDIR=bin"
@@ -117,8 +126,8 @@ in stdenv.mkDerivation {
       # install
       "-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=ON"
       "-DCMAKE_INSTALL_RPATH=${zlib}/lib:${gcc.cc.lib}/lib"
-      "-DLLVM_APPEND_VC_REV=ON"
-      "-DLLVM_FORCE_VC_REVISION=${source.version}"
+      #"-DLLVM_APPEND_VC_REV=ON"
+      #"-DLLVM_FORCE_VC_REVISION=${source.version}"
     )
   '';
 

pkgs/llvm-ompss2/default.nix

@@ -3,25 +3,43 @@
 , lib
 , gcc
 , clangOmpss2Unwrapped
-, 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 = pkg: if pkg ? "__spliced" && pkg.__spliced ? "targetTarget" then pkg.__spliced.targetTarget 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.pname == "openmp-v" && ompss2rt.pname == "nodes");
+  sameNosvUnspliced = 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,
@@ -37,12 +55,13 @@ let
   inherit gcc;
   cc = clangOmpss2Unwrapped;
   gccVersion = with versions; let v = gcc.version; in concatStringsSep "." [(major v) (minor v) (patch v)];
-in wrapCCWith {
+in (wrapCCWith {
   inherit cc bintools;
   # extraPackages adds packages to depsTargetTargetPropagated
-  extraPackages = optional (openmp != null) openmp;
+  extraPackages = optional (omp != null) omp;
   extraBuildCommands = ''
     echo "-target ${targetConfig}" >> $out/nix-support/cc-cflags
+    #echo "-fuse-ld=lld" >> $out/nix-support/cc-cflags
     echo "-B${gcc.cc}/lib/gcc/${targetConfig}/${gccVersion}" >> $out/nix-support/cc-cflags
     echo "-L${gcc.cc}/lib/gcc/${targetConfig}/${gccVersion}" >> $out/nix-support/cc-ldflags
     echo "-L${gcc.cc.lib}/lib" >> $out/nix-support/cc-ldflags
@@ -56,15 +75,17 @@ in wrapCCWith {
 
     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 (openmp != null) ''
+  '' + 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.nosv}" >> $out/nix-support/cc-wrapper-hook
+    echo "export NOSV_HOME=${ompss2rt}" >> $out/nix-support/cc-wrapper-hook
   '';
-}
+}) // { inherit ompss2rt; }
+
 

pkgs/llvm-ompss2/openmp.nix

@@ -39,6 +39,9 @@ stdenv.mkDerivation rec {
     perl
     pkg-config
     python3
+  ];
+
+  buildInputs = [
   ] ++ lib.optionals enableNosv [
     nosv
   ] ++ lib.optionals enableOvni [

pkgs/mcxx/default.nix

@@ -32,20 +32,17 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [
+  buildInputs = [
     autoreconfHook
-    bison
-    flex
+    nanos6
+    gperf
     python3
     gfortran
     pkg-config
-    gperf
-    gcc
-  ];
-
-  buildInputs = [
-    nanos6
     sqlite.dev
+    bison
+    flex
+    gcc
   ];
 
   patches = [ ./intel.patch ];

pkgs/nanos6/default.nix

@@ -88,19 +88,11 @@ in
     dontStrip = enableDebug;
     separateDebugInfo = true;
 
-    nativeBuildInputs = [
+    buildInputs = [
       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
-      papi
-    ];
-
-    buildInputs = [
       boost
       numactl
       hwloc

pkgs/nosv/default.nix

@@ -6,8 +6,6 @@
 , pkg-config
 , numactl
 , hwloc
-, papi
-, enablePapi ? true
 , cacheline ? 64 # bits
 , ovni ? null
 , useGit ? false
@@ -58,5 +56,5 @@ in
       numactl
       hwloc
       ovni
-    ] ++ lib.optionals enablePapi [ papi ];
+    ];
   }

pkgs/osu/default.nix

@@ -24,7 +24,6 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
   enableParallelBuilding = true;
-  nativeBuildInputs = [ mpiAll ];
   buildInputs = [ mpiAll ];
   hardeningDisable = [ "all" ];
   configureFlags = [ 
@@ -41,7 +40,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "OSU Micro-Benchmarks";
-    homepage = "http://mvapich.cse.ohio-state.edu/benchmarks/";
+    homepage = http://mvapich.cse.ohio-state.edu/benchmarks/;
     maintainers = [ ];
     platforms = lib.platforms.all;
   };

pkgs/ovni/default.nix

@@ -13,6 +13,8 @@
 , useMpi ? (stdenv.buildPlatform.canExecute stdenv.hostPlatform)
 }:
 
+with lib;
+
 let
   release = rec {
     version = "1.12.0";
@@ -43,7 +45,7 @@ in
     postPatch = ''
       patchShebangs --build test/
     '';
-    nativeBuildInputs = [ cmake ] ++ lib.optionals (useMpi) [ mpi ];
+    nativeBuildInputs = [ cmake ];
     buildInputs = lib.optionals (useMpi) [ mpi ];
     cmakeBuildType = if (enableDebug) then "Debug" else "Release";
     cmakeFlags = [

pkgs/paraver/default.nix

@@ -60,17 +60,17 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    autoconf
-    automake
-    autoreconfHook
     wrapGAppsHook
   ];
 
   buildInputs = [
+    autoreconfHook
     boost
     libxml2.dev
     xml2
     wx
+    autoconf
+    automake
     paraverKernel
     openssl.dev
   ];

pkgs/paraver/kernel.nix

@@ -44,17 +44,14 @@ stdenv.mkDerivation rec {
     "--enable-openmp"
   ];
 
-  nativeBuildInputs = [
-    autoreconfHook
-    autoconf
-    automake
-    pkg-config
-  ];
-
   buildInputs = [
+    autoreconfHook
     boost
     libxml2.dev
     xml2
+    autoconf
+    automake
+    pkg-config
     zlib
   ];
 }

pkgs/paraver/release.nix

@@ -61,16 +61,13 @@ stdenv.mkDerivation rec {
     "--with-wx-config=${wx}/bin/wx-config"
   ];
 
-  nativeBuildInputs = [
-    autoconf
-    automake
-  ];
-
   buildInputs = [
     boost
     xml2
     libxml2.dev
     wx
+    autoconf
+    automake
     openssl.dev
   ];
 

pkgs/sonar/default.nix

@@ -18,12 +18,8 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "all" ];
   dontStrip = true;
   configureFlags = [ "--with-ovni=${ovni}" ];
-
-  nativeBuildInputs = [
-    autoreconfHook
-  ];
-
   buildInputs = [
+    autoreconfHook
     ovni
     mpi
   ];

pkgs/tampi/default.nix

@@ -8,6 +8,7 @@
 , gnumake
 , boost
 , mpi
+, gcc
 , autoreconfHook
 , enableOvni ? true
 , ovni ? null
@@ -40,20 +41,18 @@ let
     };
   };
   source = if (useGit) then git else release;
-in stdenv.mkDerivation {
+in stdenv.mkDerivation rec {
   pname = "tampi";
   inherit (source) src version;
   enableParallelBuilding = true;
   separateDebugInfo = true;
-
   nativeBuildInputs = [
-    autoconf
-    automake
     autoreconfHook
-    gnumake
+    automake
+    autoconf
     libtool
+    gnumake
   ];
-
   buildInputs = [
     boost
     mpi