v8: fix dragonflybsd build

build/standalone.gypi

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 20 matching lines @@
   'variables': {
     'library%': 'static_library',
     'component%': 'static_library',
     'visibility%': 'hidden',
     'msvs_multi_core_compile%': '1',
     'mac_deployment_target%': '10.5',
     'variables': {
       'variables': {
         'variables': {
           'conditions': [
-            ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or \
-               OS=="netbsd" or OS=="mac"', {
+            ['OS!="win"', {
               # This handles the Unix 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.
               'host_arch%':
                 '<!(uname -m | sed -e "s/i.86/ia32/;\
                   s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/;s/mips.*/mipsel/")',
-            }, {
-              # OS!="linux" and OS!="freebsd" and OS!="openbsd" and
-              # OS!="netbsd" and OS!="mac"
+            }],
+            ['OS=="win"', {
               'host_arch%': 'ia32',
             }],
           ],
         },
         'host_arch%': '<(host_arch)',
         'target_arch%': '<(host_arch)',
       },
       'host_arch%': '<(host_arch)',
       'target_arch%': '<(target_arch)',
       'v8_target_arch%': '<(target_arch)',
@@ skipping 19 matching lines @@
   },
   'target_defaults': {
     'default_configuration': 'Debug',
     'configurations': {
       'Debug': {
         'cflags': [ '-g', '-O0' ],
       },
     },
   },
   'conditions': [
-    ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
-       or OS=="netbsd"', {
+    ['OS!="win"', {
       'target_defaults': {
         'cflags': [ '-Wall', '<(werror)', '-W', '-Wno-unused-parameter',
                     '-Wnon-virtual-dtor', '-pthread', '-fno-rtti',
                     '-fno-exceptions', '-pedantic' ],
         'ldflags': [ '-pthread', ],
         'conditions': [
           [ 'OS=="linux"', {
             'cflags': [ '-ansi' ],
           }],
           [ 'visibility=="hidden"', {
             'cflags': [ '-fvisibility=hidden' ],
           }],
           [ 'component=="shared_library"', {
             'cflags': [ '-fPIC', ],
           }],
         ],
       },
     }],
-    # 'OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"
-    #  or OS=="netbsd"'
     ['OS=="win"', {
       'target_defaults': {
         'defines': [
           '_CRT_SECURE_NO_DEPRECATE',
           '_CRT_NONSTDC_NO_DEPRECATE',
         ],
         'conditions': [
           ['component=="static_library"', {
             'defines': [
               '_HAS_EXCEPTIONS=0',
@@ skipping 87 matching lines @@
         },
         'target_conditions': [
           ['_type!="static_library"', {
             'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-search_paths_first']},
           }],
         ],  # target_conditions
       },  # target_defaults
     }],  # OS=="mac"
   ],
 }