Adding libatomic_ops

pkgs/development/libraries/libatomic_ops/default.nix

@@ -0,0 +1,28 @@
+{stdenv, fetchurl}:
+let
+  s = # Generated upstream information
+  rec {
+    baseName="libatomic_ops";
+    version="7.4.2";
+    name="${baseName}-${version}";
+    hash="1pdm0h1y7bgkczr8byg20r6bq15m5072cqm5pny4f9crc9gn3yh4";
+    url="http://www.ivmaisoft.com/_bin/atomic_ops/libatomic_ops-7.4.2.tar.gz";
+    sha256="1pdm0h1y7bgkczr8byg20r6bq15m5072cqm5pny4f9crc9gn3yh4";
+  };
+  buildInputs = [
+  ];
+in
+stdenv.mkDerivation {
+  inherit (s) name version;
+  inherit buildInputs;
+  src = fetchurl {
+    inherit (s) url sha256;
+  };
+  meta = {
+    inherit (s) version;
+    description = ''A library for semi-portable access to hardware-provided atomic memory update operations'';
+    license = stdenv.lib.licenses.gpl2Plus ;
+    maintainers = [stdenv.lib.maintainers.raskin];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/development/libraries/libatomic_ops/default.upstream

@@ -0,0 +1 @@
+url https://github.com/ivmai/libatomic_ops/wiki/Download

pkgs/top-level/all-packages.nix

@@ -4965,6 +4965,8 @@ let
 
   libassuan2_1 = callPackage ../development/libraries/libassuan/git.nix { };
 
+  libatomic_ops = callPackage ../development/libraries/libatomic_ops {};
+
   libav = libav_10;
   libav_all = callPackage ../development/libraries/libav { };
   inherit (libav_all) libav_0_8 libav_9 libav_10;