diff --git a/lib/commands/compile.js b/lib/commands/compile.js
index 6e5fcf7..c616f37 100644
--- a/lib/commands/compile.js
+++ b/lib/commands/compile.js
@@ -159,8 +159,9 @@ exports.compile = function (opt, callback) {
         }
 
         var configfile = path.resolve(opt.pkgdir, 'require.config');
+        var requireCfg = require(configfile);
 
-        var packages = require(configfile).packages;
+        var packages = requireCfg.packages;
         var pkgnames = packages.map(function (p) {
             return p.name;
         });
@@ -216,7 +217,7 @@ exports.compile = function (opt, callback) {
                     optimize: 'uglify',
                     include: includes,
                     out: opt.output,
-                    paths: {requireLib: impl}
+                    paths: _.extend({requireLib: impl}, requireCfg.paths || {})
                 };
                 if (opt.verbose) {
                     config.logLevel = 0;
diff --git a/lib/project.js b/lib/project.js
index 73e1220..1be7cd3 100644
--- a/lib/project.js
+++ b/lib/project.js
@@ -156,6 +156,7 @@ exports.updateRequireConfig = function (package_dir, baseurl, /*opt*/rcfg, callb
 
     var packages = [];
     var shims = {};
+    var rconfig = {};
 
     var basedir = baseurl ? path.relative(baseurl, package_dir): package_dir;
     var dir = basedir.split(path.sep).map(encodeURIComponent).join('/');
@@ -216,46 +217,53 @@ exports.updateRequireConfig = function (package_dir, baseurl, /*opt*/rcfg, callb
                 return callback(err);
             }
 
-            var data = {
+            exports.readPackageJSON( path.resolve( '.', 'package.json' ), function ( err, packageConfig, p ) {
+              if ( packageConfig.jam && packageConfig.jam.rconfig ) {
+                rconfig = packageConfig.jam.rconfig;
+              }
+
+              var data = _.extend( rconfig, {
                 // TODO: useful option for cache-busting
                 //urlArgs: '_jam_build=' + (new Date().getTime()),
-                packages: packages,
-                version: version,
-                shim: shims
-            }
+                packages : packages,
+                version : version,
+                shim : shims
+              } );
             
-            // now bring in other require.config.js options to make available
-            // earlier versions had variable substitution that breaks on r.js compilation
-            // now there is duplication - however, the original jam has been left untouched.
-            var cfg = _.clone(rcfg);
-            cfg.packages = _.union(rcfg.packages || [], packages);
-            cfg.shim = _.extend({}, rcfg.shim || {}, shims);
+              // now bring in other require.config.js options to make available
+              // earlier versions had variable substitution that breaks on r.js compilation
+              // now there is duplication - however, the original jam has been left untouched.
+              var cfg = _.clone(rcfg);
+              cfg = _.extend( cfg, rconfig || {} );
+              cfg.packages = _.union(rcfg.packages || [], packages);
+              cfg.shim = _.extend({}, rcfg.shim || {}, shims);
             var configStr = JSON.stringify(cfg, null, 4);
             
-            var src = 'var jam = ' + JSON.stringify(data, null, 4) + ';\n' +
-                '\n' +
-                'if (typeof require !== "undefined" && require.config) {\n' +
-                '    require.config(' + configStr + ');\n' +
-                '}\n' +
-                'else {\n' +
-                '    var require = ' + configStr + ';\n' +
-                '}\n' +
-                '\n' +
-                'if (typeof exports !== "undefined" && ' +
-                    'typeof module !== "undefined") {\n' +
-                '    module.exports = jam;\n' +
-                '}';
-            
-            var filename = path.resolve(package_dir, 'require.config.js');
-            mkdirp(package_dir, function (err) {
-                if (err) {
-                    return callback(err);
-                }
-                logger.info('updating', path.relative(process.cwd(), filename));
-                async.parallel([
-                    async.apply(fs.writeFile, filename, src),
-                    async.apply(exports.makeRequireJS, package_dir, src)
-                ], callback);
+              var src = 'var jam = ' + JSON.stringify(data, null, 4) + ';\n' +
+                  '\n' +
+                  'if (typeof require !== "undefined" && require.config) {\n' +
+                  '    require.config(' + configStr + ');\n' +
+                  '}\n' +
+                  'else {\n' +
+                  '    var require = ' + configStr + ';\n' +
+                  '}\n' +
+                  '\n' +
+                  'if (typeof exports !== "undefined" && ' +
+                      'typeof module !== "undefined") {\n' +
+                  '    module.exports = jam;\n' +
+                  '}';
+
+              var filename = path.resolve(package_dir, 'require.config.js');
+              mkdirp(package_dir, function (err) {
+                  if (err) {
+                      return callback(err);
+                  }
+                  logger.info('updating', path.relative(process.cwd(), filename));
+                  async.parallel([
+                      async.apply(fs.writeFile, filename, src),
+                      async.apply(exports.makeRequireJS, package_dir, src)
+                  ], callback);
+              });
             });
         });
     });