[MIPS] Add support to gyp files to build Native Client inside of Chromium

build/build_nexe.py

 #!/usr/bin/python
 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """NEXE building script
 
 This module will take a set of source files, include paths, library paths, and
 additional arguments, and use them to build.
 """
@@ skipping 151 matching lines @@
       self.is_pnacl_toolchain = True
 
     if arch in ['x86-32', 'x86-64']:
       mainarch = 'x86'
       self.subarch = arch.split('-')[1]
       self.tool_prefix = 'x86_64-nacl-'
     elif arch == 'arm':
       self.subarch = ''
       self.tool_prefix = 'arm-nacl-'
       mainarch = 'arm'
+    elif arch == 'mips':
+      self.is_pnacl_toolchain = True
     elif arch == 'pnacl':
       self.subarch = ''
       self.is_pnacl_toolchain = True
     else:
       raise Error('Toolchain architecture %s not supported.' % arch)
 
     if toolname not in ['newlib', 'glibc']:
       raise Error('Toolchain of type %s not supported.' % toolname)
 
     if arch == 'arm' and toolname == 'glibc':
       raise Error('arm glibc not yet supported.')
 
+    if arch == 'mips' and toolname == 'glibc':
+      raise Error('mips glibc not supported.')
+
     if arch == 'pnacl' and toolname == 'glibc':
       raise Error('pnacl glibc not yet supported.')
 
     if self.is_pnacl_toolchain:
       self.tool_prefix = 'pnacl-'
       tooldir = '%s_pnacl' % self.osname
     else:
       tooldir = '%s_%s_%s' % (self.osname, mainarch, toolname)
 
     self.root_path = options.root
@@ skipping 555 matching lines @@
       shutil.copy(objs[0], options.name)
     else:
       build.Generate(objs)
     return 0
   except Error as e:
     sys.stderr.write('%s\n' % e)
     return 1
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))