1 #!/usr/bin/python 2 3 # Copyright 2011 The Android Open Source Project 4 # 5 # Use of this source code is governed by a BSD-style license that can be 6 # found in the LICENSE file. 7 8 # This script is a wrapper which invokes gyp with the correct --depth argument, 9 # and supports the automatic regeneration of build files if all.gyp is 10 # changed (Linux-only). 11 12 import glob 13 import os 14 import platform 15 import shlex 16 import sys 17 18 script_dir = os.path.abspath(os.path.dirname(__file__)) 19 20 # Directory within which we can find the gyp source. 21 gyp_source_dir = os.path.join(script_dir, 'third_party', 'externals', 'gyp') 22 23 # Directory within which we can find most of Skia's gyp configuration files. 24 gyp_config_dir = os.path.join(script_dir, 'gyp') 25 26 # Ensure we import our current gyp source's module, not any version 27 # pre-installed in your PYTHONPATH. 28 sys.path.insert(0, os.path.join(gyp_source_dir, 'pylib')) 29 import gyp 30 31 ENVVAR_GYP_GENERATORS = 'GYP_GENERATORS' 32 ENVVAR_GYP_GENERATOR_FLAGS = 'GYP_GENERATOR_FLAGS' 33 34 35 def additional_include_files(args=[]): 36 # Determine the include files specified on the command line. 37 # This doesn't cover all the different option formats you can use, 38 # but it's mainly intended to avoid duplicating flags on the automatic 39 # makefile regeneration which only uses this format. 40 specified_includes = set() 41 for arg in args: 42 if arg.startswith('-I') and len(arg) > 2: 43 specified_includes.add(os.path.realpath(arg[2:])) 44 45 result = [] 46 def AddInclude(path): 47 if os.path.realpath(path) not in specified_includes: 48 result.append(path) 49 50 # Always include common.gypi. 51 # We do this, rather than including common.gypi explicitly in all our gyp 52 # files, so that gyp files we use but do not maintain (e.g., 53 # third_party/externals/libjpeg/libjpeg.gyp) will include common.gypi too. 54 AddInclude(os.path.join(gyp_config_dir, 'common.gypi')) 55 56 return result 57 58 # Return the directory where all the build files are to be written. 59 def get_output_dir(): 60 # SKIA_OUT can be any directory either as a child of the standard out/ 61 # directory or any given location on the file system (e.g. /tmp/skia) 62 output_dir = os.getenv('SKIA_OUT') 63 64 if not output_dir: 65 return os.path.join(os.path.abspath(script_dir), 'out') 66 67 if (sys.platform.startswith('darwin') and 68 (not os.getenv(ENVVAR_GYP_GENERATORS) or 69 'xcode' in os.getenv(ENVVAR_GYP_GENERATORS))): 70 print 'ERROR: variable SKIA_OUT is not valid on Mac (using xcodebuild)' 71 sys.exit(-1); 72 73 if os.path.isabs(output_dir): 74 return output_dir 75 else: 76 return os.path.join(os.path.abspath(script_dir), output_dir) 77 78 79 if __name__ == '__main__': 80 args = sys.argv[1:] 81 82 if not os.getenv(ENVVAR_GYP_GENERATORS): 83 print ('%s environment variable not set, using default' % 84 ENVVAR_GYP_GENERATORS) 85 if sys.platform.startswith('darwin'): 86 default_gyp_generators = 'ninja,xcode' 87 elif sys.platform.startswith('win'): 88 default_gyp_generators = 'ninja,msvs-ninja' 89 elif sys.platform.startswith('cygwin'): 90 default_gyp_generators = 'ninja,msvs-ninja' 91 else: 92 default_gyp_generators = 'ninja' 93 os.environ[ENVVAR_GYP_GENERATORS] = default_gyp_generators 94 print '%s is "%s"' % (ENVVAR_GYP_GENERATORS, os.getenv(ENVVAR_GYP_GENERATORS)) 95 96 vs2013_runtime_dll_dirs = None 97 if os.getenv('CHROME_HEADLESS', '0') == '1': 98 if sys.platform.startswith('win') or sys.platform.startswith('cygwin'): 99 chrome_path = os.getenv('CHROME_PATH') 100 os.chdir(chrome_path) 101 sys.path.append(os.path.join(chrome_path, 'build')) 102 sys.path.append(os.path.join(chrome_path, 'tools')) 103 import vs_toolchain 104 vs2013_runtime_dll_dirs = \ 105 vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs() 106 107 # Set CWD to the directory containing this script. 108 # This allows us to launch it from other directories, in spite of gyp's 109 # finickyness about the current working directory. 110 # See http://b.corp.google.com/issue?id=5019517 ('Linux make build 111 # (from out dir) no longer runs skia_gyp correctly') 112 os.chdir(os.path.abspath(script_dir)) 113 114 # This could give false positives since it doesn't actually do real option 115 # parsing. Oh well. 116 gyp_file_specified = False 117 for arg in args: 118 if arg.endswith('.gyp'): 119 gyp_file_specified = True 120 break 121 122 # If we didn't get a file, then fall back to assuming 'skia.gyp' from the 123 # same directory as the script. 124 # The gypfile must be passed as a relative path, not an absolute path, 125 # or else the gyp code doesn't write into the proper output dir. 126 if not gyp_file_specified: 127 args.append('skia.gyp') 128 129 args.extend(['-I' + i for i in additional_include_files(args)]) 130 args.extend(['--depth', '.']) 131 132 # Tell gyp to write the build files into output_dir. 133 args.extend(['--generator-output', os.path.abspath(get_output_dir())]) 134 135 # Tell ninja to write its output into the same directory. 136 args.extend(['-Goutput_dir=.']) 137 138 # By default, we build 'most' instead of 'all' or 'everything'. See skia.gyp. 139 args.extend(['-Gdefault_target=most']) 140 141 # Fail if any files specified in the project are missing 142 if sys.platform.startswith('win'): 143 gyp_generator_flags = os.getenv(ENVVAR_GYP_GENERATOR_FLAGS, '') 144 if not 'msvs_error_on_missing_sources' in gyp_generator_flags: 145 os.environ[ENVVAR_GYP_GENERATOR_FLAGS] = ( 146 gyp_generator_flags + ' msvs_error_on_missing_sources=1') 147 148 # GYP is very conservative about how many concurrent linker calls it allows, 149 # to fit in RAM. We don't need to be nearly as conservative as Chrome. We'll 150 # just turn that feature off. 151 os.environ['GYP_LINK_CONCURRENCY'] = '9001' 152 153 print 'Updating projects from gyp files...' 154 sys.stdout.flush() 155 156 if '--dry-run' in args: 157 args.remove('--dry-run') 158 print gyp_source_dir, ' '.join(args) 159 else: 160 # Off we go... 161 res = gyp.main(args) 162 if res: 163 sys.exit(res) 164 165 # This code is copied from Chrome's build/gyp_chromium. It's not clear why 166 # the *_runtime variables are reversed. 167 if vs2013_runtime_dll_dirs: 168 x64_runtime, x86_runtime = vs2013_runtime_dll_dirs 169 vs_toolchain.CopyVsRuntimeDlls( 170 os.path.join(os.getenv('CHROME_PATH'), get_output_dir()), 171 (x86_runtime, x64_runtime)) 172
