diff --git a/pkgs/osm/sdlmap/Makefile.patch b/pkgs/osm/sdlmap/Makefile.patch

new file mode 100644

index 0000000000000000000000000000000000000000..867bba1cd0f1e1e969d9b3814cae29726a117e0a

--- /dev/null

+++ b/pkgs/osm/sdlmap/Makefile.patch

@@ -0,0 +1,14 @@

+diff --git i/Makefile w/Makefile

+index 569a347..a7f4032 100644

+--- i/Makefile

++++ w/Makefile

+@@ -1,6 +1,6 @@

+-SDL_CONFIG=sdl2-config

+-CXXFLAGS=$(SDL_CONFIG) --cflags -g

+-LIBS=$(SDL_CONFIG) --libs -lcurl -lSDL2_image

++PKG_CONFIG=pkg-config

++CXXFLAGS=$(PKG_CONFIG) --cflags SDL2 $(PKG_CONFIG) --cflags SDL2_image -g

++LIBS=$(PKG_CONFIG) --libs SDL2 $(PKG_CONFIG) --libs SDL2_image -lcurl

• TARGET=sdlmap

• sdlmap: sdlmap.o tile_downloader.o tile_collection.o map_view.o tile.o

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

index 898b41f25d9ae4b5523372b38749f10ca446e4d5..782629622864b87f446605770df552bfa3335986 100644

--- a/pkgs/osm/sdlmap/default.nix

+++ b/pkgs/osm/sdlmap/default.nix

@@ -1,4 +1,4 @@

-{ lib, stdenv, fetchFromGitHub, curl, SDL2, SDL2_image }:

+{ lib, stdenv, fetchFromGitHub, pkg-config, curl, SDL2, SDL2_image }:

stdenv.mkDerivation rec {

pname = "sdlmap";

@@ -11,7 +11,9 @@ rev = "0baa8fb4472751c28bfe8b063070ea8b2d459224";

 hash = "sha256-W09WzCKmuMjV1L2c1bvlBCmNvXxYgGNU/MLtu6TTsIg=";

};

• patches = [ ./tile.patch ];

• patches = [ ./tile.patch ./Makefile.patch ];

• nativeBuildInputs = [ pkg-config ];

buildInputs = [ curl SDL2 SDL2_image ];