add nix-shell

.envrc

@@ -0,0 +1 @@
+use nix

shell.nix

@@ -0,0 +1,24 @@
+{ pkgs ? import <nixpkgs> { } }:
+pkgs.mkShell {
+  packages = with pkgs; [
+    gcc
+    gnumake
+    automake
+    autoconf
+  ];
+
+  env.MYSQL_DIR = toString (pkgs.symlinkJoin {
+    name ="libmysqlclient";
+    paths = with pkgs; [
+      libmysqlclient.out
+      libmysqlclient.dev
+    ];
+  });
+
+  env.BUILD = pkgs.writeShellScript "build" ''
+    make maintainer-clean
+    autoreconf --force --install --symlink
+    ./configure --with-mysql="$MYSQL_DIR" --sysconfdir=$(pwd)
+    make
+  '';
+}