Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | # Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | # Use of this source code is governed by a BSD-style license that can be |
| 3 | # found in the LICENSE file. |
| 4 | |
| 5 | """ |
| 6 | Sets up various automatic gyp environment variables. These are used by |
| 7 | gyp_v8 and landmines.py which run at different stages of runhooks. To |
| 8 | make sure settings are consistent between them, all setup should happen here. |
| 9 | """ |
| 10 | |
| 11 | import os |
| 12 | import sys |
| 13 | import vs_toolchain |
| 14 | |
| 15 | SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__)) |
| 16 | V8_ROOT = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir)) |
| 17 | |
| 18 | |
| 19 | def apply_gyp_environment(file_path=None): |
| 20 | """ |
| 21 | Reads in a *.gyp_env file and applies the valid keys to os.environ. |
| 22 | """ |
| 23 | if not file_path or not os.path.exists(file_path): |
| 24 | return |
| 25 | file_contents = open(file_path).read() |
| 26 | try: |
| 27 | file_data = eval(file_contents, {'__builtins__': None}, None) |
| 28 | except SyntaxError, e: |
| 29 | e.filename = os.path.abspath(file_path) |
| 30 | raise |
| 31 | supported_vars = ( 'V8_GYP_FILE', |
| 32 | 'V8_GYP_SYNTAX_CHECK', |
| 33 | 'GYP_DEFINES', |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 34 | 'GYP_GENERATORS', |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 35 | 'GYP_GENERATOR_FLAGS', |
| 36 | 'GYP_GENERATOR_OUTPUT', ) |
| 37 | for var in supported_vars: |
| 38 | val = file_data.get(var) |
| 39 | if val: |
| 40 | if var in os.environ: |
| 41 | print 'INFO: Environment value for "%s" overrides value in %s.' % ( |
| 42 | var, os.path.abspath(file_path) |
| 43 | ) |
| 44 | else: |
| 45 | os.environ[var] = val |
| 46 | |
| 47 | |
| 48 | def set_environment(): |
| 49 | """Sets defaults for GYP_* variables.""" |
| 50 | |
| 51 | if 'SKIP_V8_GYP_ENV' not in os.environ: |
| 52 | # Update the environment based on v8.gyp_env |
| 53 | gyp_env_path = os.path.join(os.path.dirname(V8_ROOT), 'v8.gyp_env') |
| 54 | apply_gyp_environment(gyp_env_path) |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 55 | |
| 56 | if not os.environ.get('GYP_GENERATORS'): |
| 57 | # Default to ninja on all platforms. |
| 58 | os.environ['GYP_GENERATORS'] = 'ninja' |
| 59 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 60 | vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs() |