rdma-core: drop systemd dependency

bsc/rdma-core/default.nix

@@ -0,0 +1,60 @@
+{ stdenv, fetchFromGitHub, cmake, pkgconfig, docutils
+, pandoc, ethtool, iproute, libnl, udev, python, perl
+, makeWrapper
+} :
+
+let
+  version = "31.1";
+
+in stdenv.mkDerivation {
+  pname = "rdma-core";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "linux-rdma";
+    repo = "rdma-core";
+    rev = "v${version}";
+    sha256 = "1xkmdix6mgv6kjjj6wi844bfddhl0ybalrp5g8pf5izasc43brg7";
+  };
+
+  nativeBuildInputs = [ cmake pkgconfig pandoc docutils makeWrapper ];
+  buildInputs = [ libnl ethtool iproute udev python perl ];
+
+  cmakeFlags = [
+    "-DCMAKE_INSTALL_RUNDIR=/run"
+    "-DCMAKE_INSTALL_SHAREDSTATEDIR=/var/lib"
+  ];
+
+  postPatch = ''
+    substituteInPlace srp_daemon/srp_daemon.sh.in \
+      --replace /bin/rm rm
+  '';
+
+  postInstall = ''
+    # cmake script is buggy, move file manually
+    mkdir -p $out/${perl.libPrefix}
+    mv $out/share/perl5/* $out/${perl.libPrefix}
+  '';
+
+  postFixup = ''
+    for pls in $out/bin/{ibfindnodesusing.pl,ibidsverify.pl}; do
+      echo "wrapping $pls"
+      chmod +x "$pls"
+      wrapProgram $pls --prefix PERL5LIB : "$out/${perl.libPrefix}"
+    done
+
+    # Remove any non-library as we are not using them
+    rm -rf $out/etc 
+    rm -rf $out/lib/systemd
+    rm -rf $out/bin
+    rm -rf $out/sbin
+  '';
+
+  meta = with stdenv.lib; {
+    description = "RDMA Core Userspace Libraries and Daemons";
+    homepage = "https://github.com/linux-rdma/rdma-core";
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ markuskowa ];
+  };
+}

overlay.nix

@@ -138,6 +138,8 @@ let
 
     dummy = callPackage ./bsc/dummy/default.nix { };
 
+    rdma-core = callPackage ./bsc/rdma-core/default.nix { };
+
     clangOmpss2Unwrapped = callPackage ./bsc/llvm-ompss2/clang.nix {
       stdenv = self.llvmPackages_10.stdenv;
       enableDebug = false;