set DESTDIR inside make install command

Author: cwjohnston

.packager

@@ -43,9 +43,6 @@ Packager.build do
     build do
       name 'heavywater-ruby'
       template :generic
-      environment(
-       { 'DESTDIR' => '$PKG_DIR' }
-      )
       commands do
         build [
           'wget http://ftp.ruby-lang.org/pub/ruby/2.1/ruby-2.1.5.tar.gz',
@@ -54,7 +51,7 @@ Packager.build do
           'autoconf',
           './configure --prefix=/usr --disable-install-doc',
           'make',
-          'make install'
+          'make install DESTDIR=$PKG_DIR'
         ]
       end
     end