fail2ban: fix build on darwin (close #933)

pkgs/development/libraries/gamin/default.nix

@@ -17,4 +17,15 @@ stdenv.mkDerivation rec {
   configureFlags = "--disable-debug --with-python=${python} CPPFLAGS=-D_GNU_SOURCE";
 
   patches = [ ./deadlock.patch ] ++ map fetchurl (import ./debian-patches.nix);
+
+  preBuild = stdenv.lib.optionalString stdenv.isDarwin ''
+    sed -i 's/,--version-script=.*$/\\/' libgamin/Makefile
+  '';
+
+  meta = with stdenv.lib; {
+    homepage    = https://people.gnome.org/~veillard/gamin/;
+    description = "A file and directory monitoring system";
+    maintainers = with maintainers; [ lovek323 ];
+    platforms   = platforms.unix;
+  };
 }

pkgs/tools/security/fail2ban/default.nix

@@ -16,8 +16,7 @@ pythonPackages.buildPythonPackage {
 
   pythonPath = [ gamin ];
 
-  preConfigure =
-    ''
+  preConfigure = ''
     substituteInPlace setup.cfg \
       --replace /usr $out
 
@@ -39,15 +38,15 @@ pythonPackages.buildPythonPackage {
 
   doCheck = false;
   
-  installCommand =
-    ''
+  installCommand = ''
     python setup.py install --prefix=$out
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage    = http://www.fail2ban.org/;
     description = "A program that scans log files for repeated failing login attempts and bans IP addresses";
-    license = stdenv.lib.licenses.gpl2Plus;
-    maintainers = [ stdenv.lib.maintainers.eelco ];
+    license     = licenses.gpl2Plus;
+    maintainers = with maintainers; [ eelco lovek323 ];
+    platforms   = platforms.unix;
   };
 }