1# Copyright 2014, ARM Limited
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are met:
6#
7#   * Redistributions of source code must retain the above copyright notice,
8#     this list of conditions and the following disclaimer.
9#   * Redistributions in binary form must reproduce the above copyright notice,
10#     this list of conditions and the following disclaimer in the documentation
11#     and/or other materials provided with the distribution.
12#   * Neither the name of ARM Limited nor the names of its contributors may be
13#     used to endorse or promote products derived from this software without
14#     specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27import os
28import sys
29import subprocess
30import shlex
31import re
32
33
34def abort(message):
35  print('ABORTING: ' + message)
36  sys.exit(1)
37
38
39# Emulate python3 subprocess.getstatusoutput.
40def getstatusoutput(command):
41  try:
42    args = shlex.split(command)
43    output = subprocess.check_output(args, stderr=subprocess.STDOUT)
44    return 0, output.rstrip('\n')
45  except subprocess.CalledProcessError as e:
46    return e.returncode, e.output.rstrip('\n')
47
48
49def last_line(text):
50  lines = text.split('\n')
51  last = lines[-1].split('\r')
52  return last[-1]
53
54
55def has_compiler(compiler):
56  status, output = getstatusoutput('which ' + compiler)
57  return status == 0
58