Add a flag to generate the Makefile in a different directory than...

test/variables/filelist/filelist.gyp.stdout

Index: test/variables/filelist/filelist.gyp.stdout
===================================================================
--- test/variables/filelist/filelist.gyp.stdout	(revision 818)
+++ test/variables/filelist/filelist.gyp.stdout	(working copy)
@@ -1,16 +1,17 @@
 GENERAL: running with these options:
+GENERAL:   check: None
+GENERAL:   circular_check: True
+GENERAL:   debug: ['variables', 'general']
+GENERAL:   defines: None
+GENERAL:   depth: '.'
+GENERAL:   formats: ['gypd']
+GENERAL:   generator_flags: []
+GENERAL:   generator_output: None
+GENERAL:   includes: None
 GENERAL:   msvs_version: None
 GENERAL:   suffix: ''
-GENERAL:   includes: None
+GENERAL:   toplevel_dir: None
 GENERAL:   use_environment: True
-GENERAL:   depth: '.'
-GENERAL:   generator_flags: []
-GENERAL:   generator_output: None
-GENERAL:   formats: ['gypd']
-GENERAL:   debug: ['variables', 'general']
-GENERAL:   circular_check: True
-GENERAL:   check: None
-GENERAL:   defines: None
 GENERAL: cmdline_default_variables: {}
 GENERAL: generator_flags: {}
 VARIABLES: Expanding 'exclude' to 'exclude'