add calendar functions to PHP by default

pkgs/development/interpreters/php/5.4.nix

@@ -189,6 +189,10 @@ composableDerivation.composableDerivation {} ( fixed : let inherit (fixed.fixed)
         configureFlags = ["--enable-maintainer-zts"];
       };
 
+      calendar = {
+        configureFlags = ["--enable-calendar"];
+      };
+
       /*
          php is build within this derivation in order to add the xdebug lines to the php.ini.
          So both Apache and command line php both use xdebug without having to configure anything.
@@ -229,6 +233,7 @@ composableDerivation.composableDerivation {} ( fixed : let inherit (fixed.fixed)
     fpmSupport = config.php.fpm or true;
     mssqlSupport = config.php.mssql or (!stdenv.isDarwin);
     ztsSupport = config.php.zts or false;
+    calendarSupport = config.php.calendar or false;
   };
 
   configurePhase = ''

pkgs/development/interpreters/php/5.5.nix

@@ -193,6 +193,9 @@ composableDerivation.composableDerivation {} ( fixed : let inherit (fixed.fixed)
         buildInputs = [freetds];
       };
 
+      calendar = {
+        configureFlags = ["--enable-calendar"];
+      };
     };
 
   cfg = {
@@ -227,6 +230,7 @@ composableDerivation.composableDerivation {} ( fixed : let inherit (fixed.fixed)
     fpmSupport = config.php.fpm or true;
     gmpSupport = config.php.gmp or true;
     mssqlSupport = config.php.mssql or (!stdenv.isDarwin);
+    calendarSupport = config.php.calendar or true;
   };
 
   configurePhase = ''

pkgs/development/interpreters/php/5.6.nix

@@ -193,6 +193,11 @@ composableDerivation.composableDerivation {} ( fixed : let inherit (fixed.fixed)
         buildInputs = [freetds];
       };
 
+
+      calendar = {
+        configureFlags = ["--enable-calendar"];
+      };
+
     };
 
   cfg = {
@@ -227,6 +232,7 @@ composableDerivation.composableDerivation {} ( fixed : let inherit (fixed.fixed)
     fpmSupport = config.php.fpm or true;
     gmpSupport = config.php.gmp or true;
     mssqlSupport = config.php.mssql or (!stdenv.isDarwin);
+    calendarSupport = config.php.calendar or true;
   };
 
   configurePhase = ''