1 files changed, 36 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/nlohmann_json/default.nix b/nixpkgs/pkgs/development/libraries/nlohmann_json/default.nix
new file mode 100644
index 000000000000..84b86b47157d
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/nlohmann_json/default.nix
@@ -0,0 +1,36 @@
+{ stdenv, fetchFromGitHub, cmake
+}:
+
+stdenv.mkDerivation rec {
+  pname = "nlohmann_json";
+  version = "3.9.1";
+
+  src = fetchFromGitHub {
+    owner = "nlohmann";
+    repo = "json";
+    rev = "v${version}";
+    sha256 = "sha256-THordDPdH2qwk6lFTgeFmkl7iDuA/7YH71PTUe6vJCs=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  enableParallelBuilding = true;
+
+  cmakeFlags = [
+    "-DBuildTests=${if doCheck then "ON" else "OFF"}"
+    "-DJSON_MultipleHeaders=ON"
+  ];
+
+  # A test cause the build to timeout https://github.com/nlohmann/json/issues/1816
+  #doCheck = stdenv.hostPlatform == stdenv.buildPlatform;
+  doCheck = false;
+
+  postInstall = "rm -rf $out/lib64";
+
+  meta = with stdenv.lib; {
+    description = "Header only C++ library for the JSON file format";
+    homepage = "https://github.com/nlohmann/json";
+    license = licenses.mit;
+    platforms = platforms.all;
+  };
+}