Use gcc13 for llvm-ompss2 for intel

New apt list does not have Package: as the first entry for all packages

flake.nix

@@ -13,5 +13,8 @@
       bscOverlay = import ./overlay.nix;
       overlays.default = self.bscOverlay;
       legacyPackages.x86_64-linux = pkgs;
+
+      # propagate nixpkgs lib, so we can do bscpkgs.lib
+      inherit (nixpkgs) lib;
     };
 }

overlay.nix

@@ -18,7 +18,7 @@ let
     clangOmpss2NodesOmpv = callPackage ./pkgs/llvm-ompss2/default.nix { ompss2rt = final.nodes; openmp = final.openmpv; };
     clangOmpss2Unwrapped = callPackage ./pkgs/llvm-ompss2/clang.nix { };
     #extrae = callPackage ./pkgs/extrae/default.nix { }; # Broken and outdated
-    #gpi-2 = callPackage ./pkgs/gpi-2/default.nix { }; # Broken: https://jungle.bsc.es/git/rarias/bscpkgs/issues/7
+    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;
@@ -49,7 +49,7 @@ let
     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 { }; # Broken due gpi-2
+    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; };

pkgs/gpi-2/default.nix

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

pkgs/gpi-2/max-mem.patch

@@ -0,0 +1,10 @@
+--- 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

@@ -0,0 +1,12 @@
+--- 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/llvm-ompss2/default.nix

@@ -2,6 +2,7 @@
   stdenv
 , lib
 , gcc
+, gcc13
 , clangOmpss2Unwrapped
 , writeShellScript
 , openmp ? null
@@ -92,7 +93,8 @@ let
   '';
 
   wrappedCCIntel = wrapCCWith {
-    inherit cc bintools extraPackages;
+    inherit bintools extraPackages;
+    cc = cc.override { gcc = gcc13; }; # Intel uses gcc13, so we have to match it
     # extraPackages adds packages to depsTargetTargetPropagated
     extraBuildCommands = intelExtraBuildCommands + envExports;
   };