Initial attempt to add support for using gyp to build V8 itself...

build/common.gypi

Index: build/common.gypi
===================================================================
--- build/common.gypi	(revision 0)
+++ build/common.gypi	(revision 0)
@@ -0,0 +1,58 @@
+# Copyright 2009 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
+#       with the distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+{
+  'variables': {
+    'library%': 'static_library',
+    'component%': 'static_library',
+    'target_arch%': 'ia32',
+    'host_arch%': 'ia32',
+  },
+  'target_defaults': {
+    'cflags': [ '-m32' ],
+    'ldflags': [ '-m32' ],
+  },
+  'conditions': [
+    ['OS=="linux"', {
+      'target_defaults': {
+        'ccflags': [
+          '-Wall',
+          '-m32',
+        ],
+        'ldflags': [
+          '-pthread',
+        ],
+      },
+      'conditions': [
+        [ 'target_arch=="ia32"', {
+          'cflags': [ '-m32', ],
+          'ldflags': [ '-m32' ],
+        }],
+      ],
+    },{'target_defaults': {'ccflags':['-xxx']}}],

[Evan Martin, 2010/12/09 22:03:13]

I'd rewrite this line as
 }, { # else: not linux
   'target_defaults': {'ccflags':['-xxx']}
 }],

[Søren Thygesen Gjesse, 2010/12/10 14:21:24]

This was testing leftovers, removed.

+  ],
+}