diff --git a/pkgs/default.nix b/pkgs/default.nix

index d3c320be26261950bdc1a4f214827b2685cc9d27..e46b0fcf25cff72a9c456a32e6823272669c7fa7 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -207,6 +207,10 @@ qmapshack-bin = callPackage ./gis/qmapshack/bin.nix { };

 sasplanet-bin = callPackage ./gis/sasplanet/bin.nix { };

 tdh = callPackage ./gis/tdh { };

• GNSS

• rtklib = callPackage ./gnss/rtklib { };

 ### GPX

 cmpgpx = callPackage ./gpx/cmpgpx { };

diff --git a/pkgs/gnss/rtklib/default.nix b/pkgs/gnss/rtklib/default.nix

new file mode 100644

index 0000000000000000000000000000000000000000..24494ec38d91cdff4b75740e224ffeacc3dc7c7e

--- /dev/null

+++ b/pkgs/gnss/rtklib/default.nix

@@ -0,0 +1,39 @@

+{ lib, stdenv, fetchFromGitHub, gfortran }:

+stdenv.mkDerivation rec {

• pname = "rtklib";

• version = "2.4.3-b34";

• src = fetchFromGitHub {

• owner = "tomojitakasu";

• repo = pname;

• rev = "v${version}";

• hash = "sha256-d9hpvmIdSZ3BervVZVvfRTc+q7wUWoWLF81TAsMGe68=";

• };

• nativeBuildInputs = [ gfortran ];

• buildPhase = ''

• make -C lib/iers/gcc

• make -C app/consapp

• '';

• installPhase = ''

• install -Dm755 app/consapp/pos2kml/gcc/pos2kml -t $out/bin

• install -Dm755 app/consapp/str2str/gcc/str2str -t $out/bin

• install -Dm755 app/consapp/rnx2rtkp/gcc/rnx2rtkp -t $out/bin

• install -Dm755 app/consapp/rtkrcv/gcc/rtkrcv -t $out/bin

• install -Dm755 app/consapp/convbin/gcc/convbin -t $out/bin

• install -Dm644 app/consapp/rnx2rtkp/gcc/*.conf -t $out/share/rtklib/rnx2rtkp

• '';

• meta = with lib; {

• description = "An Open Source Program Package for GNSS Positioning";

• homepage = "http://www.rtklib.com/";

• license = licenses.bsd2;

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.linux;

• skip.ci = stdenv.isDarwin;

• };

+}