1 #!/usr/bin/env python 2 # 3 # Copyright 2012 the V8 project authors. All rights reserved. 4 # Redistribution and use in source and binary forms, with or without 5 # modification, are permitted provided that the following conditions are 6 # met: 7 # 8 # * Redistributions of source code must retain the above copyright 9 # notice, this list of conditions and the following disclaimer. 10 # * Redistributions in binary form must reproduce the above 11 # copyright notice, this list of conditions and the following 12 # disclaimer in the documentation and/or other materials provided 13 # with the distribution. 14 # * Neither the name of Google Inc. nor the names of its 15 # contributors may be used to endorse or promote products derived 16 # from this software without specific prior written permission. 17 # 18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 # This script is wrapper for V8 that adds some support for how GYP 31 # is invoked by V8 beyond what can be done in the gclient hooks. 32 33 import argparse 34 import glob 35 import gyp_environment 36 import os 37 import platform 38 import shlex 39 import subprocess 40 import sys 41 import vs_toolchain 42 43 script_dir = os.path.dirname(os.path.realpath(__file__)) 44 v8_root = os.path.abspath(os.path.join(script_dir, os.pardir)) 45 46 sys.path.insert(0, os.path.join(v8_root, 'tools', 'gyp', 'pylib')) 47 import gyp 48 49 # Add paths so that pymod_do_main(...) can import files. 50 sys.path.insert( 51 1, os.path.abspath(os.path.join(v8_root, 'tools', 'generate_shim_headers'))) 52 53 54 def GetOutputDirectory(): 55 """Returns the output directory that GYP will use.""" 56 57 # Handle command line generator flags. 58 parser = argparse.ArgumentParser() 59 parser.add_argument('-G', dest='genflags', default=[], action='append') 60 genflags = parser.parse_known_args()[0].genflags 61 62 # Handle generator flags from the environment. 63 genflags += shlex.split(os.environ.get('GYP_GENERATOR_FLAGS', '')) 64 65 needle = 'output_dir=' 66 for item in genflags: 67 if item.startswith(needle): 68 return item[len(needle):] 69 70 return 'out' 71 72 73 def additional_include_files(args=[]): 74 """ 75 Returns a list of additional (.gypi) files to include, without 76 duplicating ones that are already specified on the command line. 77 """ 78 # Determine the include files specified on the command line. 79 # This doesn't cover all the different option formats you can use, 80 # but it's mainly intended to avoid duplicating flags on the automatic 81 # makefile regeneration which only uses this format. 82 specified_includes = set() 83 for arg in args: 84 if arg.startswith('-I') and len(arg) > 2: 85 specified_includes.add(os.path.realpath(arg[2:])) 86 87 result = [] 88 def AddInclude(path): 89 if os.path.realpath(path) not in specified_includes: 90 result.append(path) 91 92 # Always include standalone.gypi 93 AddInclude(os.path.join(v8_root, 'gypfiles', 'standalone.gypi')) 94 95 # Optionally add supplemental .gypi files if present. 96 supplements = glob.glob(os.path.join(v8_root, '*', 'supplement.gypi')) 97 for supplement in supplements: 98 AddInclude(supplement) 99 100 return result 101 102 103 def run_gyp(args): 104 rc = gyp.main(args) 105 106 vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs() 107 if vs2013_runtime_dll_dirs: 108 x64_runtime, x86_runtime = vs2013_runtime_dll_dirs 109 vs_toolchain.CopyVsRuntimeDlls( 110 os.path.join(v8_root, GetOutputDirectory()), 111 (x86_runtime, x64_runtime)) 112 113 if rc != 0: 114 print 'Error running GYP' 115 sys.exit(rc) 116 117 118 if __name__ == '__main__': 119 args = sys.argv[1:] 120 121 gyp_chromium_no_action = os.environ.get('GYP_CHROMIUM_NO_ACTION') 122 if gyp_chromium_no_action == '1': 123 print 'Skipping gyp_v8 due to GYP_CHROMIUM_NO_ACTION env var.' 124 sys.exit(0) 125 126 running_as_hook = '--running-as-hook' 127 if running_as_hook in args and gyp_chromium_no_action != '0': 128 print 'GYP is now disabled by default in runhooks.\n' 129 print 'If you really want to run this, either run ' 130 print '`python gypfiles/gyp_v8` explicitly by hand ' 131 print 'or set the environment variable GYP_CHROMIUM_NO_ACTION=0.' 132 sys.exit(0) 133 134 if running_as_hook in args: 135 args.remove(running_as_hook) 136 137 gyp_environment.set_environment() 138 139 # This could give false positives since it doesn't actually do real option 140 # parsing. Oh well. 141 gyp_file_specified = False 142 for arg in args: 143 if arg.endswith('.gyp'): 144 gyp_file_specified = True 145 break 146 147 # If we didn't get a file, check an env var, and then fall back to 148 # assuming 'all.gyp' from the same directory as the script. 149 if not gyp_file_specified: 150 gyp_file = os.environ.get('V8_GYP_FILE') 151 if gyp_file: 152 # Note that V8_GYP_FILE values can't have backslashes as 153 # path separators even on Windows due to the use of shlex.split(). 154 args.extend(shlex.split(gyp_file)) 155 else: 156 args.append(os.path.join(script_dir, 'all.gyp')) 157 158 args.extend(['-I' + i for i in additional_include_files(args)]) 159 160 # There shouldn't be a circular dependency relationship between .gyp files 161 args.append('--no-circular-check') 162 163 # Set the GYP DEPTH variable to the root of the V8 project. 164 args.append('--depth=' + os.path.relpath(v8_root)) 165 166 # If V8_GYP_SYNTAX_CHECK is set to 1, it will invoke gyp with --check 167 # to enfore syntax checking. 168 syntax_check = os.environ.get('V8_GYP_SYNTAX_CHECK') 169 if syntax_check and int(syntax_check): 170 args.append('--check') 171 172 print 'Updating projects from gyp files...' 173 sys.stdout.flush() 174 175 # Generate for the architectures supported on the given platform. 176 gyp_args = list(args) 177 gyp_args.extend(['-D', 'gyp_output_dir=' + GetOutputDirectory()]) 178 gyp_generators = os.environ.get('GYP_GENERATORS', '') 179 if platform.system() == 'Linux' and gyp_generators != 'ninja': 180 # Work around for crbug.com/331475. 181 for f in glob.glob(os.path.join(v8_root, 'out', 'Makefile.*')): 182 os.unlink(f) 183 # --generator-output defines where the Makefile goes. 184 gyp_args.append('--generator-output=out') 185 # -Goutput_dir defines where the build output goes, relative to the 186 # Makefile. Set it to . so that the build output doesn't end up in out/out. 187 gyp_args.append('-Goutput_dir=.') 188 189 gyp_defines = os.environ.get('GYP_DEFINES', '') 190 191 # Automatically turn on crosscompile support for platforms that need it. 192 if all(('ninja' in gyp_generators, 193 'OS=android' in gyp_defines, 194 'GYP_CROSSCOMPILE' not in os.environ)): 195 os.environ['GYP_CROSSCOMPILE'] = '1' 196 197 run_gyp(gyp_args) 198
