[NaCl SDK] Remove create_nmf dependency on NACL_SDK_ROOT env var

third_party/liblouis/liblouis_nacl.gyp

 # Copyright 2014 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.
 
 {
   'variables': {
     'braille_test_data_dir': '<(PRODUCT_DIR)/chromevox_test_data/braille',
     'braille_chromevox_dir': '<(PRODUCT_DIR)/resources/chromeos/chromevox/braille',
     'table_files': [
       '>!@pymod_do_main(liblouis_list_tables -D . -D src/tables -e cvox-common.cti tables.json)',
@@ skipping 120 matching lines @@
               'action_name': 'Generate NEWLIB NMF',
               'inputs': [
                 '>@(nexe_files)',
               ],
               'outputs': ['>(nmf)'],
               'action': [
                 'python',
                 '<(DEPTH)/native_client_sdk/src/tools/create_nmf.py',
                 '>@(_inputs)',
                 '--output=>(nmf)',
+                '--no-default-libpath',

[binji, 2015/04/07 19:44:02]

it seems that this change is the only difference between this CL and the
previous reverted CL. Do the trybots test this path? It seems that they
succeeded before without this change, so I would assume not.

[Sam Clegg, 2015/04/07 20:11:53]

No, I guess the bots don't test this otherwise the previous change would not
have landed.

I tested this by building this target locally.

+                '--objdump=>(nacl_glibc_tc_root)/bin/x86_64-nacl-objdump',

[binji, 2015/04/07 21:17:39]

does this need to be nacl_newlib_tc_root? Shouldn't make a difference I'd think,
but this build is newlib not glibc. Perhaps the toolchain won't be prepped if it
is built in isolation?

[Sam Clegg, 2015/04/09 00:26:01]

It won't actually use the objdump executable unless the nexe is dynamically
linked, so I think we are good.

               ],
             },
           ],
           # Copy specific files into the product directory to avoid
           # copying over the unstripped binary file.
           'copies': [
             {
               'destination': '<(braille_chromevox_dir)',
               'files': [
                 '<(nmf)',
@@ skipping 32 matching lines @@
               'files': [
                 '<@(table_files)',
               ],
             },
           ],
         },
       ],
     }],
   ],
 }