Support cross-compiling

script/lib/config.py

@@ -20,29 +20,18 @@ verbose_mode = False
 
 
 def get_target_arch():
-  # Always build 64bit on OS X.
-  if PLATFORM == 'darwin':
-    return 'x64'
-  # Only build for host's arch on Linux.
-  elif PLATFORM == 'linux':
-    if platform.architecture()[0] == '32bit':
-      return 'ia32'
-    else:
-      return 'x64'
-  # On Windows it depends on user.
-  elif PLATFORM == 'win32':
-    try:
-      target_arch_path = os.path.join(__file__, '..', '..', '..', 'vendor',
-                                      'brightray', 'vendor', 'download',
-                                      'libchromiumcontent', '.target_arch')
-      with open(os.path.normpath(target_arch_path)) as f:
-        return f.read().strip()
-    except IOError as e:
-      if e.errno != errno.ENOENT:
-        raise
-    # Build 32bit by default.
+  try:
+    target_arch_path = os.path.join(__file__, '..', '..', '..', 'vendor',
+                                    'brightray', 'vendor', 'download',
+                                    'libchromiumcontent', '.target_arch')
+    with open(os.path.normpath(target_arch_path)) as f:
+      return f.read().strip()
+  except IOError as e:
+    if e.errno != errno.ENOENT:
+      raise
+
+  if PLATFORM == 'win32':
     return 'ia32'
-  # Maybe we will support other platforms in future.
   else:
     return 'x64'