Switch default float-abi for ARM linux from softfp to hard

native_client_sdk/src/build_tools/build_sdk.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Entry point for both build and try bots.
 
 This script is invoked from XXX, usually without arguments
 to package an SDK. It automatically determines whether
 this SDK is for mac, win, linux.
@@ skipping 543 matching lines @@
   gyp_defines = gyp_defines or []
   gyp_defines.append('nacl_allow_thin_archives=0')
   gyp_defines.append('use_sysroot=1')
   if options.mac_sdk:
     gyp_defines.append('mac_sdk=%s' % options.mac_sdk)
 
   if arch is not None:
     gyp_defines.append('target_arch=%s' % arch)
     if arch == 'arm':
       gyp_env['GYP_CROSSCOMPILE'] = '1'
-      gyp_defines.append('arm_float_abi=hard')
       if options.no_arm_trusted:
         gyp_defines.append('disable_cross_trusted=1')
   if getos.GetPlatform() == 'mac':
     gyp_defines.append('clang=1')
 
   gyp_env['GYP_DEFINES'] = ' '.join(gyp_defines)
   # We can't use windows path separators in GYP_GENERATOR_FLAGS since
   # gyp uses shlex to parse them and treats '\' as an escape char.
   gyp_env['GYP_GENERATOR_FLAGS'] = 'output_dir=%s' % out_dir.replace('\\', '/')
 
@@ skipping 611 matching lines @@
       BuildStepArchivePNaClComponent()
 
   return 0
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv[1:]))
   except KeyboardInterrupt:
     buildbot_common.ErrorExit('build_sdk: interrupted')