Added command line switches and UI (controlled via a build option)

build/common.gypi

 # Copyright (c) 2010 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # IMPORTANT:
 # Please don't directly include this file if you are building via gyp_chromium,
 # since gyp_chromium is automatically forcing its inclusion.
 {
   # Variables expected to be overriden on the GYP command line (-D) or by
   # ~/.gyp/include.gypi.
   'variables': {
     # Putting a variables dict inside another variables dict looks kind of
     # weird.  This is done so that 'host_arch', 'chromeos', etc are defined as
     # variables within the outer variables dict here.  This is necessary
     # to get these variables defined for the conditions within this variables
     # dict that operate on these variables (e.g., for setting 'toolkit_views',
     # we need to have 'chromeos' already set).
     'variables': {
       'variables': {
         'variables': {
           # Whether we're building a ChromeOS build.
           'chromeos%': 0,
 
           # Disable touch support by default.
           'touchui%': 0,
+          
+          # Disable profiling build by default.
+          'profiling%': 0,

[Evan Martin, 2011/02/01 02:45:59]

Gyp is super-confusing, but you can either ask me about it or trust me that you
can eliminate this line...

[DaveMoore, 2011/02/01 19:21:55]

Done.

         },
         # Copy conditionally-set variables out one scope.
         'chromeos%': '<(chromeos)',
         'touchui%': '<(touchui)',
+        'profiling%': '<(profiling)',

[Evan Martin, 2011/02/01 02:45:59]

And this one...

[DaveMoore, 2011/02/01 19:21:55]

Done.

 
         # To do a shared build on linux we need to be able to choose between
         # type static_library and shared_library. We default to doing a static
         # build but you can override this with "gyp -Dlibrary=shared_library"
         # or you can add the following line (without the #) to
         # ~/.gyp/include.gypi {'variables': {'library': 'shared_library'}}
         # to compile as shared by default
         'library%': 'static_library',
 
         # Compute the architecture that we're building on.
@@ skipping 14 matching lines @@
             'toolkit_views%': 1,
           }, {
             'toolkit_views%': 0,
           }],
         ],
       },
 
       # Copy conditionally-set variables out one scope.
       'chromeos%': '<(chromeos)',
       'touchui%': '<(touchui)',
+      'profiling%': '<(profiling)',

[Evan Martin, 2011/02/01 02:45:59]

and this one...

[DaveMoore, 2011/02/01 19:21:55]

Done.

       'host_arch%': '<(host_arch)',
       'library%': '<(library)',
       'toolkit_views%': '<(toolkit_views)',
 
       # Override branding to select the desired branding flavor.
       'branding%': 'Chromium',
 
       # Override buildtype to select the desired build flavor.
       # Dev - everyday build for development/testing
       # Official - release build (generally implies additional processing)
@@ skipping 85 matching lines @@
     'branding%': '<(branding)',
     'buildtype%': '<(buildtype)',
     'target_arch%': '<(target_arch)',
     'host_arch%': '<(host_arch)',
     'toolkit_views%': '<(toolkit_views)',
     'use_gnome_keyring%': '<(use_gnome_keyring)',
     'linux_fpic%': '<(linux_fpic)',
     'enable_flapper_hacks%': '<(enable_flapper_hacks)',
     'chromeos%': '<(chromeos)',
     'touchui%': '<(touchui)',
+    'profiling%': '<(profiling)',

[Evan Martin, 2011/02/01 02:45:59]

And then move this one a bit lower, where you'll see there are some introduced
there that are commented.  So move this line down to there and move the comment
from above to join it.

[DaveMoore, 2011/02/01 19:21:55]

Done.

     'inside_chromium_build%': '<(inside_chromium_build)',
     'fastbuild%': '<(fastbuild)',
     'python_ver%': '<(python_ver)',
     'armv7%': '<(armv7)',
     'arm_neon%': '<(arm_neon)',
     'sysroot%': '<(sysroot)',
     'disable_sse2%': '<(disable_sse2)',
     'library%': '<(library)',
     'component%': '<(component)',
     'use_titlecase_in_grd_files%': '<(use_titlecase_in_grd_files)',
@@ skipping 350 matching lines @@
       }],
       ['toolkit_views==1', {
         'defines': ['TOOLKIT_VIEWS=1'],
       }],
       ['chromeos==1', {
         'defines': ['OS_CHROMEOS=1'],
       }],
       ['touchui==1', {
         'defines': ['TOUCH_UI=1'],
       }],
+      ['profiling==1', {
+        'defines': ['ENABLE_PROFILING=1'],
+      }],
       ['remoting==1', {
         'defines': ['ENABLE_REMOTING=1'],
       }],
       ['proprietary_codecs==1', {
         'defines': ['USE_PROPRIETARY_CODECS'],
       }],
       ['enable_flapper_hacks==1', {
         'defines': ['ENABLE_FLAPPER_HACKS=1'],
       }],
       ['fastbuild!=0', {
@@ skipping 458 matching lines @@
               ['no_gc_sections==0', {
                 'ldflags': [
                   '-Wl,--gc-sections',
                 ],
               }],
               ['clang==1', {
                 'cflags!': [
                   '-fno-ident',
                 ],
               }],
+              ['profiling==1', {
+                'cflags': [
+                  '-fno-omit-frame-pointer',
+                  '-g',
+                ],
+              }],
             ]
           },
         },
         'variants': {
           'coverage': {
             'cflags': ['-fprofile-arcs', '-ftest-coverage'],
             'ldflags': ['-fprofile-arcs'],
           },
           'profile': {
             'cflags': ['-pg', '-g'],
@@ skipping 510 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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