Define os_posix in gyp files to get new Unix platforms added quickly

build/common.gypi

 # Copyright (c) 2011 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.
@@ skipping 20 matching lines @@
         # 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.
         'conditions': [
-          [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
-            # This handles the Linux platforms we generally deal with. Anything
-            # else gets passed through, which probably won't work very well; such
-            # hosts should pass an explicit target_arch to gyp.
+          [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+            # This handles the Unix platforms for which there is some support.
+            # Anything else gets passed through, which probably won't work very
+            # well; such hosts should pass an explicit target_arch to gyp.
             'host_arch%':
-              '<!(uname -m | sed -e "s/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/")',
-          }, {  # OS!="linux"
+              '<!(uname -m | sed -e "s/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/;s/i86pc/ia32/")',
+            'os_nix%': 1,
+          }, {  # OS=="win" or OS=="mac"
             'host_arch%': 'ia32',
+            'os_nix%': 0,
           }],
 
           # Set default value of toolkit_views on for Windows, Chrome OS
           # and the touch UI.
           ['OS=="win" or chromeos==1 or touchui==1', {
             'toolkit_views%': 1,
           }, {
             'toolkit_views%': 0,
           }],
         ],
       },
 
       # Copy conditionally-set variables out one scope.
       'chromeos%': '<(chromeos)',
       'touchui%': '<(touchui)',
       'host_arch%': '<(host_arch)',
       'library%': '<(library)',
       'toolkit_views%': '<(toolkit_views)',
+      'os_nix%': '<(os_nix)',
 
       # 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)
       # TODO(mmoss) Once 'buildtype' is fully supported (e.g. Windows gyp
       # conversion is done), some of the things which are now controlled by
       # 'branding', such as symbol generation, will need to be refactored based
@@ skipping 56 matching lines @@
       # Also note that this should be enabled for remoting to compile.
       'p2p_apis%': 1,
 
       # If this is set, the clang plugins used on the buildbot will be used.
       # Run tools/clang/scripts/update.sh to make sure they are compiled.
       # This causes 'clang_chrome_plugins_flags' to be set.
       # Has no effect if 'clang' is not set as well.
       'clang_use_chrome_plugins%': 0,
 
       'conditions': [
+        # A flag for POSIX platforms
+        ['os_nix==1 or OS=="mac"', {
+          'os_posix%': 1,
+        }, {
+          'os_posix%': 0,
+        }],
+
+        # Flags to use Gtk and X11 on non-Mac POSIX platforms
+        ['os_nix==1', {
+          'toolkit_uses_gtk%': 1,
+          'use_x11%': 1,
+        }, {
+          'toolkit_uses_gtk%': 0,
+          'use_x11%': 0,
+        }],
+
         # A flag to enable or disable our compile-time dependency
         # on gnome-keyring. If that dependency is disabled, no gnome-keyring
         # support will be available. This option is useful
         # for Linux distributions.
         ['chromeos==1', {
           'use_gnome_keyring%': 0,
         }, {
           'use_gnome_keyring%': 1,
         }],
 
@@ skipping 25 matching lines @@
         }],
       ],
     },
 
     # Copy conditionally-set variables out one scope.
     'branding%': '<(branding)',
     'buildtype%': '<(buildtype)',
     'target_arch%': '<(target_arch)',
     'host_arch%': '<(host_arch)',
     'toolkit_views%': '<(toolkit_views)',
+    'os_posix%': '<(os_posix)',
+    'toolkit_uses_gtk%': '<(toolkit_uses_gtk)',
+    'use_x11%': '<(use_x11)',
     'use_gnome_keyring%': '<(use_gnome_keyring)',
     'linux_fpic%': '<(linux_fpic)',
     'enable_flapper_hacks%': '<(enable_flapper_hacks)',
     'chromeos%': '<(chromeos)',
     'touchui%': '<(touchui)',
     'file_manager_extension%': '<(file_manager_extension)',
     'inside_chromium_build%': '<(inside_chromium_build)',
     'fastbuild%': '<(fastbuild)',
     'python_ver%': '<(python_ver)',
     'armv7%': '<(armv7)',
@@ skipping 200 matching lines @@
     # If debug_devtools is set to 1, JavaScript files for DevTools are
     # stored as is and loaded from disk. Otherwise, a concatenated file
     # is stored in resources.pak. It is still possible to load JS files
     # from disk by passing --debug-devtools cmdline switch.
     'debug_devtools%': 0,
 
     # Point to ICU directory.
     'icu_src_dir': '../third_party/icu',
 
     'conditions': [
-      ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
+      ['os_posix==1 and OS!="mac"', {
         # This will set gcc_version to XY if you are running gcc X.Y.*.
         # This is used to tweak build flags for gcc 4.4.
         'gcc_version%': '<!(python <(DEPTH)/build/compiler_version.py)',
         # Figure out the python architecture to decide if we build pyauto.
         'python_arch%': '<!(<(DEPTH)/build/linux/python_arch.sh <(sysroot)/usr/lib/libpython<(python_ver).so.1.0)',
         'conditions': [
           ['branding=="Chrome"', {
             'linux_breakpad%': 1,
           }],
           # All Chrome builds have breakpad symbols, but only process the
           # symbols from official builds.
           ['(branding=="Chrome" and buildtype=="Official")', {
             'linux_dump_symbols%': 1,
           }],
         ],
-      }],  # OS=="linux" or OS=="freebsd" or OS=="openbsd"
+      }],  # os_posix==1 and OS!="mac"
 
       ['OS=="mac"', {
         'conditions': [
           # mac_product_name is set to the name of the .app bundle as it should
           # appear on disk.  This duplicates data from
           # chrome/app/theme/chromium/BRANDING and
           # chrome/app/theme/google_chrome/BRANDING, but is necessary to get
           # these names into the build system.
           ['branding=="Chrome"', {
             'mac_product_name%': 'Google Chrome',
@@ skipping 41 matching lines @@
             'secure_atl%': 1,
           }],
         ],
         'nacl_win64_defines': [
           # This flag is used to minimize dependencies when building
           # Native Client loader for 64-bit Windows.
           'NACL_WIN64',
         ],
       }],
 
-      ['OS=="mac" or (OS=="linux" and chromeos==0 and target_arch!="arm")', {
+      ['os_posix==1 and chromeos==0 and target_arch!="arm"', {
         'use_cups%': 1,
       }, {
         'use_cups%': 0,
       }],
 
       # Set the relative path from this file to the GYP file of the JPEG
       # library used by Chromium.
       ['use_libjpeg_turbo==1', {
         'libjpeg_gyp_path': '../third_party/libjpeg_turbo/libjpeg.gyp',
       }, {
@@ skipping 228 matching lines @@
           '_SCL_SECURE_NO_DEPRECATE',
         ],
         'include_dirs': [
           '<(DEPTH)/third_party/wtl/include',
         ],
       }],  # OS==win
     ],  # conditions for 'target_defaults'
     'target_conditions': [
       ['chromium_code==0', {
         'conditions': [
-          [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
+          [ 'os_posix==1 and OS!="mac"', {
             # We don't want to get warnings from third-party code,
             # so remove any existing warning-enabling flags like -Wall.
             'cflags!': [
               '-Wall',
               '-Wextra',
               '-Werror',
             ],
             'cflags': [
               # Don't warn about hash_map in third-party code.
               '-Wno-deprecated',
@@ skipping 35 matching lines @@
           ['OS!="win"', {
             'sources/': [ ['exclude', '_win(_unittest)?\\.(h|cc)$'],
                           ['exclude', '(^|/)win/'],
                           ['exclude', '(^|/)win_[^/]*\\.(h|cc)$'] ],
           }],
           ['OS!="mac"', {
             'sources/': [ ['exclude', '_(cocoa|mac)(_unittest)?\\.(h|cc)$'],
                           ['exclude', '(^|/)(cocoa|mac)/'],
                           ['exclude', '\\.mm?$' ] ],
           }],
-          ['OS!="linux" and OS!="freebsd" and OS!="openbsd"', {
+          ['toolkit_uses_gtk!=1', {
             'sources/': [
               ['exclude', '_(chromeos|gtk|x|x11|xdg)(_unittest)?\\.(h|cc)$'],
               ['exclude', '(^|/)gtk/'],
               ['exclude', '(^|/)(gtk|x11)_[^/]*\\.(h|cc)$'],
             ],
           }],
           ['OS!="linux"', {
             'sources/': [
               ['exclude', '_linux(_unittest)?\\.(h|cc)$'],
               ['exclude', '(^|/)linux/'],
@@ skipping 214 matching lines @@
             'inherit_from': ['Common_Base', 'x64_Base', 'Release_Base'],
           },
           'Purify_x64': {
             'inherit_from': ['Common_Base', 'x64_Base', 'Release_Base', 'Purify_Base'],
           },
         }],
       ],
     },
   },
   'conditions': [
-    ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+    ['os_posix==1 and OS!="mac"', {
       'target_defaults': {
         # Enable -Werror by default, but put it in a variable so it can
         # be disabled in ~/.gyp/include.gypi on the valgrind builders.
         'variables': {
           # Use -fno-strict-aliasing, see http://crbug.com/32204
           'no_strict_aliasing%': 1,
-          'conditions': [['OS=="linux"', {'werror%': '-Werror',}],
-                         ['OS=="freebsd"', {'werror%': '',}],
-                         ['OS=="openbsd"', {'werror%': '',}],
+          'conditions': [
+            ['OS=="linux"', {
+              'werror%': '-Werror',
+              }, { # turn off -Werror on other Unices
+              'werror%': '',
+            }],
           ],
         },
         'cflags': [
           '<(werror)',  # See note above about the werror variable.
           '-pthread',
           '-fno-exceptions',
           '-Wall',
           # TODO(evan): turn this back on once all the builds work.
           # '-Wextra',
           # Don't warn about unused function params.  We use those everywhere.
@@ skipping 577 matching lines @@
           'VCResourceCompilerTool': {
             'Culture' : '1033',
             'AdditionalIncludeDirectories': [
               '<(DEPTH)',
               '<(SHARED_INTERMEDIATE_DIR)',
             ],
           },
         },
       },
     }],
-    ['disable_nacl==1 or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+    ['disable_nacl==1', {
       'target_defaults': {
         'defines': [
           'DISABLE_NACL',
         ],
       },
     }],
     ['OS=="win" and msvs_use_common_linker_extras', {
       'target_defaults': {
         'msvs_settings': {
           'VCLinkerTool': {
@@ skipping 67 matching lines @@
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }
 
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