Fix Nanos6 4.0 build

It looks like after upgrading the compiler the build breaks. The patch
simply adds the missing cstdint include, until a new release is made.

Reviewed-by: Aleix Roca Nonell <aleix.rocanonell@bsc.es>
Tested-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>

overlay.nix

@@ -13,10 +13,9 @@ let
     bench6 = callPackage ./pkgs/bench6/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; };
-    clangOmpss2OpenmpNodes = callPackage ./pkgs/llvm-ompss2/default.nix { ompss2rt = final.nodes; clangOmpss2Unwrapped = final.clangOmpss2OpenmpUnwrapped; };
+    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; };
     clangOmpss2Unwrapped = callPackage ./pkgs/llvm-ompss2/clang.nix { };
-    clangOmpss2OpenmpUnwrapped = final.clangOmpss2Unwrapped.override { enableNosv = true; };
     #extrae = callPackage ./pkgs/extrae/default.nix { }; # Broken and outdated
     gpi-2 = callPackage ./pkgs/gpi-2/default.nix { };
     intelPackages_2023 = callPackage ./pkgs/intel-oneapi/2023.nix { };
@@ -31,6 +30,8 @@ let
     #nix-wrap = callPackage ./pkgs/nix-wrap/default.nix { };
     nodes = callPackage ./pkgs/nodes/default.nix { };
     nosv = callPackage ./pkgs/nosv/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; };
@@ -41,7 +42,7 @@ let
     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; };
-    stdenvClangOmpss2OpenmpNodes = final.stdenv.override { cc = final.clangOmpss2OpenmpNodes; allowedRequisites = null; };
+    stdenvClangOmpss2NodesOmpv = final.stdenv.override { cc = final.clangOmpss2NodesOmpv; allowedRequisites = null; };
     tagaspi = callPackage ./pkgs/tagaspi/default.nix { };
     tampi = callPackage ./pkgs/tampi/default.nix { };
     wxparaver = callPackage ./pkgs/paraver/default.nix { };
@@ -76,10 +77,13 @@ in bscPkgs // {
         stdenv = final.stdenvClangOmpss2Nodes;
       };
       clangNosvOpenmp-task = callPackage ./test/compilers/clang-openmp.nix {
-        stdenv = final.stdenvClangOmpss2OpenmpNodes;
+        stdenv = final.stdenvClangOmpss2Nodes;
       };
-      clangNosvOpenmp-nosv = callPackage ./test/compilers/clang-openmp-nosv.nix {
-        stdenv = final.stdenvClangOmpss2OpenmpNodes;
+      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/llvm-ompss2/clang.nix

@@ -10,11 +10,9 @@
 , elfutils
 , libffi
 , zlib
-, nosv
 , pkg-config
 , gcc # needed to set the rpath of libstdc++ for clang-tblgen
 , enableDebug ? false
-, enableNosv ? false
 , useGit ? false
 , gitUrl ? "ssh://git@bscpm03.bsc.es/llvm-ompss/llvm-mono.git"
 , gitBranch ? "master"
@@ -25,12 +23,12 @@ let
   stdenv = llvmPackages_latest.stdenv;
 
   release = rec {
-    version = "2023.11";
+    version = "18.0.0-ompss-2";
     src = fetchFromGitHub {
       owner = "bsc-pm";
       repo = "llvm";
-      rev = "refs/tags/github-release-${version}";
-      hash = "sha256-XLYS401BixGw3Ke/JKuikVKvbA92ENCdUvYLyZX9UtI=";
+      rev = "refs/tags/${version}";
+      hash = "sha256-Z0TVrujOQNHiAuTlyexbIBA2pOk2Tdmv7JuQn3M3foY=";
     };
   };
 
@@ -73,8 +71,6 @@ in stdenv.mkDerivation rec {
     pkg-config
     zlib
     gcc.cc.lib # Required for libstdc++.so.6
-  ] ++ lib.optionals enableNosv [
-    nosv
   ];
 
   # Error with -D_FORTIFY_SOURCE=2, see https://bugs.gentoo.org/636604:
@@ -107,27 +103,19 @@ in stdenv.mkDerivation rec {
       "-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;openmp;compiler-rt;lld"
+      "-DLLVM_ENABLE_PROJECTS=clang;compiler-rt;lld"
       "-DLLVM_ENABLE_ASSERTIONS=ON"
       "-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON"
       "-DCMAKE_INSTALL_BINDIR=bin"
       "-DLLVM_ENABLE_ZLIB=FORCE_ON"
       "-DLLVM_ENABLE_LIBXML2=OFF"
-  '' + (lib.optionalString enableNosv ''
-      "-DCLANG_DEFAULT_NOSV_HOME=${nosv}"
-  '') + ''
       # Set the rpath to include external libraries (zlib) both on build and
       # install
       "-DCMAKE_INSTALL_RPATH_USE_LINK_PATH=ON"
       "-DCMAKE_INSTALL_RPATH=${zlib}/lib:${gcc.cc.lib}/lib"
+      "-DLLVM_APPEND_VC_REV=ON"
+      "-DLLVM_FORCE_VC_REVISION=${source.version}"
     )
-
-  '';
-
-  # Remove support for GNU and Intel Openmp
-  postInstall = ''
-    rm -f $out/lib/libgomp*
-    rm -f $out/lib/libiomp*
   '';
 
 # About "-DCLANG_DEFAULT_NANOS6_HOME=${nanos6}", we could specify a default

pkgs/llvm-ompss2/default.nix

@@ -3,15 +3,24 @@
 , lib
 , gcc
 , clangOmpss2Unwrapped
+, openmp ? null
 , wrapCCWith
 , llvmPackages_latest
 , ompss2rt ? null
 }:
 
+let
+  usingNodesAndOmpv = (openmp.pname == "openmp-v" && ompss2rt.pname == "nodes");
+  sameNosv = openmp.nosv == ompss2rt.nosv;
+in
+
+assert lib.assertMsg (usingNodesAndOmpv -> sameNosv) "OpenMP-V and NODES must share the same nOS-V";
 
 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";
+
 
   # 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
@@ -27,6 +36,8 @@ let
   cc = clangOmpss2Unwrapped;
 in wrapCCWith {
   inherit cc bintools;
+  # extraPackages adds packages to depsTargetTargetPropagated
+  extraPackages = lib.optional (openmp != null) openmp;
   extraBuildCommands = ''
     echo "-target ${targetConfig}" >> $out/nix-support/cc-cflags
     echo "-B${gcc.cc}/lib/gcc/${targetConfig}/${gcc.version}" >> $out/nix-support/cc-cflags
@@ -43,6 +54,9 @@ in wrapCCWith {
     echo "--gcc-toolchain=${gcc}" >> $out/nix-support/cc-cflags
 
     wrap clang++  $wrapper $ccPath/clang++
+
+  '' + lib.optionalString (openmp != null) ''
+    echo "export OPENMP_RUNTIME=${ompname}" >> $out/nix-support/cc-wrapper-hook
   '' + lib.optionalString (ompss2rt != null) ''
     echo "export OMPSS2_RUNTIME=${rtname}" >> $out/nix-support/cc-wrapper-hook
     echo "export ${homevar}=${ompss2rt}"   >> $out/nix-support/cc-wrapper-hook

pkgs/llvm-ompss2/openmp.nix

@@ -0,0 +1,75 @@
+{ lib
+, llvmPackages_latest
+, monorepoSrc
+, runCommand
+, cmake
+, ninja
+, llvm
+, perl
+, pkg-config
+, version
+, nosv
+, ovni
+, enableNosv ? false
+, enableDebug ? false
+, enableOvni ? false
+}:
+
+assert enableOvni -> enableNosv;
+
+let
+  stdenv = llvmPackages_latest.stdenv;
+in
+stdenv.mkDerivation rec {
+  pname = "openmp" + (lib.optionalString enableNosv "-v");
+  inherit version;
+
+  src = runCommand "${pname}-src" {} ''
+    mkdir -p "$out"
+    cp -r ${monorepoSrc}/cmake "$out"
+    cp -r ${monorepoSrc}/openmp "$out"
+  '';
+
+  sourceRoot = "${src.name}/openmp";
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    perl
+    pkg-config
+  ] ++ lib.optionals enableNosv [
+    nosv
+  ] ++ lib.optionals enableOvni [
+    ovni
+  ];
+
+  doCheck = false;
+
+  hardeningDisable = [ "all" ];
+
+  cmakeBuildType = if enableDebug then "Debug" else "Release";
+
+  dontStrip = enableDebug;
+
+  separateDebugInfo = true;
+
+  cmakeFlags = [
+    "-DLIBOMP_OMPD_SUPPORT=OFF"
+    "-DOPENMP_ENABLE_LIBOMPTARGET=OFF"
+  ];
+
+  # Remove support for GNU and Intel Openmp.
+  # Also, remove libomp if building with nosv, as there is no support to build
+  # only one runtime at a time.
+  postInstall = ''
+    rm -f $out/lib/libgomp*
+    rm -f $out/lib/libiomp*
+  '' + lib.optionalString enableNosv ''
+    rm -f $out/lib/libomp.*
+  '';
+
+  passthru = {
+    inherit nosv;
+  };
+}
+

pkgs/nanos6/0001-Add-missing-cstdint-include.patch

@@ -0,0 +1,32 @@
+From 6fc5bef066ac011d6b15a7c090f4498b0b730818 Mon Sep 17 00:00:00 2001
+From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
+Date: Fri, 12 Apr 2024 14:44:43 +0200
+Subject: [PATCH] Add missing cstdint include
+
+---
+ src/dependencies/DataTrackingSupport.hpp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/dependencies/DataTrackingSupport.hpp b/src/dependencies/DataTrackingSupport.hpp
+index 56226085..cdfd5e1c 100644
+--- a/src/dependencies/DataTrackingSupport.hpp
++++ b/src/dependencies/DataTrackingSupport.hpp
+@@ -1,13 +1,14 @@
+ /*
+ 	This file is part of Nanos6 and is licensed under the terms contained in the COPYING file.
+ 
+-	Copyright (C) 2020 Barcelona Supercomputing Center (BSC)
++	Copyright (C) 2020-2024 Barcelona Supercomputing Center (BSC)
+ */
+ 
+ #ifndef DATA_TRACKING_SUPPORT_HPP
+ #define DATA_TRACKING_SUPPORT_HPP
+ 
+ #include "support/config/ConfigVariable.hpp"
++#include <cstdint>
+ 
+ class Task;
+ 
+-- 
+2.44.0
+

pkgs/nanos6/default.nix

@@ -35,6 +35,10 @@ let
       rev = "version-${version}";
       hash = "sha256-o2j7xNufdjcWykbwDDHQYxYCs4kpyQvJnuFyeXYZULw=";
     };
+    patches = [
+      # https://pm.bsc.es/gitlab/nanos6/nanos6/-/issues/185
+      ./0001-Add-missing-cstdint-include.patch
+    ];
   };
 
   git = rec {
@@ -48,9 +52,8 @@ let
 
   source = if (useGit) then git else release;
 in
-  stdenv.mkDerivation rec {
+  stdenv.mkDerivation (source // rec {
     pname = "nanos6";
-    inherit (source) src version;
 
     prePatch = ''
       patchShebangs scripts/generate_config.sh
@@ -114,4 +117,4 @@ in
       platforms = platforms.linux;
       license = licenses.gpl3;
     };
-  }
+  })

pkgs/nodes/default.nix

@@ -84,6 +84,6 @@ in
     ];
 
     passthru = {
-      nosv = nosv;
+      inherit nosv;
     };
   }

pkgs/paraver/default.nix

@@ -10,6 +10,7 @@
 , paraverKernel
 , openssl
 , glibcLocales
+, wrapGAppsHook
 }:
 
 let
@@ -48,6 +49,10 @@ stdenv.mkDerivation rec {
     "--with-openssl=${openssl.dev}"
   ];
 
+  nativeBuildInputs = [
+    wrapGAppsHook
+  ];
+
   buildInputs = [
     autoreconfHook
     boost

pkgs/tampi/default.nix

@@ -1,5 +1,6 @@
 {
   stdenv
+, lib
 , fetchFromGitHub
 , automake
 , autoconf
@@ -9,12 +10,18 @@
 , mpi
 , gcc
 , autoreconfHook
+, enableOvni ? true
+, ovni ? null
 , useGit ? false
 , gitUrl ? "ssh://git@bscpm03.bsc.es/interoperability/tampi.git"
 , gitBranch ? "master"
 , gitCommit ? "16f92094ca6da25e2f561c000f5fbc2901944f7b"
 }:
 
+with lib;
+
+assert enableOvni -> (ovni != null);
+
 let
   release = rec {
     version = "3.0";
@@ -48,7 +55,8 @@ in stdenv.mkDerivation rec {
     boost
     mpi
     gcc
-  ];
+  ] ++ optional (enableOvni) ovni;
+  configureFlags = optional (enableOvni) "--with-ovni=${ovni}";
   dontDisableStatic = true;
   hardeningDisable = [ "all" ];
 }

test/compilers/clang-openmp-ld.nix

@@ -0,0 +1,46 @@
+{
+  stdenv
+, writeText
+, openmp
+}:
+
+let
+  hello_c = writeText "hello.c" ''
+  int main(int argc, char *argv[])
+  {
+    #pragma omp parallel
+    {
+    }
+
+    return 0;
+  }
+  '';
+
+in stdenv.mkDerivation {
+  pname = "openmp-test-ld";
+  version = "1.0.0";
+
+  dontUnpack = true;
+  dontConfigure = true;
+
+  # nOS-V requires access to /sys/devices to request NUMA information. It will
+  # fail to run otherwise, so we disable the sandbox for this test.
+  __noChroot = true;
+
+  buildInputs = [ openmp ];
+
+  buildPhase = ''
+    set -x
+
+    cp ${hello_c} hello.c
+    clang -fopenmp=libompv ./hello.c -o hello
+
+    set +x
+  '';
+
+  installPhase = ''
+    touch $out
+  '';
+
+}
+