Add sccache option to bootstrap

script/bootstrap.py

@@ -110,6 +110,9 @@ def parse_args():
                       help='The static library path of libchromiumcontent.')
   parser.add_argument('--defines', default='',
                       help='The build variables passed to gyp')
+  parser.add_argument('--sccache',
+                      help='Enables sccache support, provide the path to ' +
+                        'sccache.  E.g.  $(which sccache)')
   return parser.parse_args()
 
 
@@ -120,6 +123,8 @@ def args_to_defines(args):
   if args.clang_dir:
     defines += ' make_clang_dir=' + args.clang_dir
     defines += ' clang_use_chrome_plugins=0'
+  if args.sccache is not None:
+    defines += ' sccache_path=' + args.sccache
   return defines
 
 

toolchain.gypi

@@ -5,6 +5,9 @@
     # Set this to true when building with Clang.
     'clang%': 1,
 
+    # Set this to the absolute path to sccache when building with sccache
+    'sccache_path%': '',
+
     # Path to mips64el toolchain.
     'make_mips64_dir%': 'vendor/gcc-4.8.3-d197-n64-loongson/usr',
 
@@ -101,6 +104,12 @@
     ],
   },
   'conditions': [
+    # Setup sccache
+    ['sccache_path!=""', {
+      'make_global_settings': [
+        ['CC_wrapper', '<(sccache_path)']
+      ],
+    }],
     # Setup building with clang.
     ['clang==1', {
       'make_global_settings': [