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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
3 # Use of this source code is governed by a BSD-style license that can be | 3 # Use of this source code is governed by a BSD-style license that can be |
4 # found in the LICENSE file. | 4 # found in the LICENSE file. |
5 | 5 |
6 """Compiler version checking tool for gcc | 6 """Compiler version checking tool for gcc |
7 | 7 |
8 Print gcc version as XY if you are running gcc X.Y.*. | 8 Print gcc version as XY if you are running gcc X.Y.*. |
9 This is used to tweak build flags for gcc 4.4. | 9 This is used to tweak build flags for gcc 4.4. |
10 """ | 10 """ |
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25 return 1 | 25 return 1 |
26 | 26 |
27 | 27 |
28 def ParseArgs(args): | 28 def ParseArgs(args): |
29 if len(args) != 2: | 29 if len(args) != 2: |
30 raise Exception('Invalid number of arguments') | 30 raise Exception('Invalid number of arguments') |
31 mode = args[0] | 31 mode = args[0] |
32 tool = args[1] | 32 tool = args[1] |
33 if mode not in ('host', 'target'): | 33 if mode not in ('host', 'target'): |
34 raise Exception('Invalid mode: %s' % mode) | 34 raise Exception('Invalid mode: %s' % mode) |
35 if tool not in ('assembler', 'compiler', 'linker'): | 35 if tool not in ('assembler',): |
Nico
2016/01/11 21:05:53
There's one call to this left in the gyp build to
| |
36 raise Exception('Invalid tool: %s' % tool) | 36 raise Exception('Invalid tool: %s' % tool) |
37 return mode, tool | 37 return mode, tool |
38 | 38 |
39 | 39 |
40 def GetEnvironFallback(var_list, default): | 40 def GetEnvironFallback(var_list, default): |
41 """Look up an environment variable from a possible list of variable names.""" | 41 """Look up an environment variable from a possible list of variable names.""" |
42 for var in var_list: | 42 for var in var_list: |
43 if var in os.environ: | 43 if var in os.environ: |
44 return os.environ[var] | 44 return os.environ[var] |
45 return default | 45 return default |
46 | 46 |
47 | 47 |
48 def GetVersion(compiler, tool): | 48 def GetVersion(compiler, tool): |
49 tool_output = tool_error = None | 49 tool_output = tool_error = None |
50 cache_key = (compiler, tool) | 50 cache_key = (compiler, tool) |
51 cached_version = compiler_version_cache.get(cache_key) | 51 cached_version = compiler_version_cache.get(cache_key) |
52 if cached_version: | 52 if cached_version: |
53 return cached_version | 53 return cached_version |
54 try: | 54 try: |
55 # Note that compiler could be something tricky like "distcc g++". | 55 # Note that compiler could be something tricky like "distcc g++". |
56 if tool == "compiler": | 56 if tool == "assembler": |
57 compiler = compiler + " -dumpversion" | |
58 # 4.6 | |
59 version_re = re.compile(r"(\d+)\.(\d+)") | |
60 elif tool == "assembler": | |
61 compiler = compiler + " -Xassembler --version -x assembler -c /dev/null" | 57 compiler = compiler + " -Xassembler --version -x assembler -c /dev/null" |
62 # Unmodified: GNU assembler (GNU Binutils) 2.24 | 58 # Unmodified: GNU assembler (GNU Binutils) 2.24 |
63 # Ubuntu: GNU assembler (GNU Binutils for Ubuntu) 2.22 | 59 # Ubuntu: GNU assembler (GNU Binutils for Ubuntu) 2.22 |
64 # Fedora: GNU assembler version 2.23.2 | 60 # Fedora: GNU assembler version 2.23.2 |
65 version_re = re.compile(r"^GNU [^ ]+ .* (\d+).(\d+).*?$", re.M) | 61 version_re = re.compile(r"^GNU [^ ]+ .* (\d+).(\d+).*?$", re.M) |
66 elif tool == "linker": | |
67 compiler = compiler + " -Xlinker --version" | |
68 # Using BFD linker | |
69 # Unmodified: GNU ld (GNU Binutils) 2.24 | |
70 # Ubuntu: GNU ld (GNU Binutils for Ubuntu) 2.22 | |
71 # Fedora: GNU ld version 2.23.2 | |
72 # Using Gold linker | |
73 # Unmodified: GNU gold (GNU Binutils 2.24) 1.11 | |
74 # Ubuntu: GNU gold (GNU Binutils for Ubuntu 2.22) 1.11 | |
75 # Fedora: GNU gold (version 2.23.2) 1.11 | |
76 version_re = re.compile(r"^GNU [^ ]+ .* (\d+).(\d+).*?$", re.M) | |
77 else: | 62 else: |
78 raise Exception("Unknown tool %s" % tool) | 63 raise Exception("Unknown tool %s" % tool) |
79 | 64 |
80 # Force the locale to C otherwise the version string could be localized | 65 # Force the locale to C otherwise the version string could be localized |
81 # making regex matching fail. | 66 # making regex matching fail. |
82 env = os.environ.copy() | 67 env = os.environ.copy() |
83 env["LC_ALL"] = "C" | 68 env["LC_ALL"] = "C" |
84 pipe = subprocess.Popen(compiler, shell=True, env=env, | 69 pipe = subprocess.Popen(compiler, shell=True, env=env, |
85 stdout=subprocess.PIPE, stderr=subprocess.PIPE) | 70 stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
86 tool_output, tool_error = pipe.communicate() | 71 tool_output, tool_error = pipe.communicate() |
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134 | 119 |
135 if compiler: | 120 if compiler: |
136 compiler_version = GetVersion(compiler, tool) | 121 compiler_version = GetVersion(compiler, tool) |
137 if compiler_version != "": | 122 if compiler_version != "": |
138 return (0, compiler_version) | 123 return (0, compiler_version) |
139 return (1, None) | 124 return (1, None) |
140 | 125 |
141 | 126 |
142 if __name__ == "__main__": | 127 if __name__ == "__main__": |
143 sys.exit(main(sys.argv)) | 128 sys.exit(main(sys.argv)) |
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