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.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 def additional_include_files(args=[]): 32 # Determine the include files specified on the command line. 33 # This doesn't cover all the different option formats you can use, 34 # but it's mainly intended to avoid duplicating flags on the automatic 35 # makefile regeneration which only uses this format. 36 specified_includes = set() 37 for arg in args: 38 if arg.startswith('-I') and len(arg) > 2: 39 specified_includes.add(os.path.realpath(arg[2:])) 40 41 result = [] 42 def AddInclude(path): 43 if os.path.realpath(path) not in specified_includes: 44 result.append(path) 45 46 # Always include common.gypi. 47 # We do this, rather than including common.gypi explicitly in all our gyp 48 # files, so that gyp files we use but do not maintain (e.g., 49 # third_party/externals/libjpeg/libjpeg.gyp) will include common.gypi too. 50 AddInclude(os.path.join(gyp_config_dir, 'common.gypi')) 51 52 return result 53 54 # Return the directory where all generated files (including Makefiles) are to 55 # be written. 56 def get_output_dir(): 57 58 # SKIA_OUT can be any directory either as a child of the standard out/ 59 # directory or any given location on the file system (e.g. /tmp/skia) 60 output_dir = os.getenv('SKIA_OUT') 61 62 if not output_dir: 63 return os.path.join(os.path.abspath(script_dir), 'out') 64 65 if (os.name != 'posix' or 66 (sys.platform.startswith('darwin') and 67 (not os.getenv('GYP_GENERATORS') or 68 'make' not in os.getenv('GYP_GENERATORS')))): 69 print 'ERROR: variable SKIA_OUT is not valid on Mac (using xcodebuild)' \ 70 ' or Windows' 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 # Set CWD to the directory containing this script. 83 # This allows us to launch it from other directories, in spite of gyp's 84 # finickyness about the current working directory. 85 # See http://b.corp.google.com/issue?id=5019517 ('Linux make build 86 # (from out dir) no longer runs skia_gyp correctly') 87 os.chdir(os.path.abspath(script_dir)) 88 89 # This could give false positives since it doesn't actually do real option 90 # parsing. Oh well. 91 gyp_file_specified = False 92 for arg in args: 93 if arg.endswith('.gyp'): 94 gyp_file_specified = True 95 break 96 97 # If we didn't get a file, then fall back to assuming 'skia.gyp' from the 98 # same directory as the script. 99 # The gypfile must be passed as a relative path, not an absolute path, 100 # or else the gyp code doesn't write into the proper output dir. 101 if not gyp_file_specified: 102 args.append('skia.gyp') 103 104 args.extend(['-I' + i for i in additional_include_files(args)]) 105 args.extend(['--depth', '.']) 106 107 # Tell gyp to write the Makefiles into output_dir 108 args.extend(['--generator-output', os.path.abspath(get_output_dir())]) 109 110 # Tell make to write its output into the same dir 111 args.extend(['-Goutput_dir=.']) 112 113 # By default, we build 'most' instead of 'all' or 'everything'. See skia.gyp. 114 args.extend(['-Gdefault_target=most']) 115 116 # Special arguments for generating Visual Studio projects: 117 # - msvs_version forces generation of Visual Studio 2010 project so that we 118 # can use msbuild.exe 119 # - msvs_abspath_output is a workaround for 120 # http://code.google.com/p/gyp/issues/detail?id=201 121 args.extend(['-Gmsvs_version=2010']) 122 123 print 'Updating projects from gyp files...' 124 sys.stdout.flush() 125 126 # Off we go... 127 sys.exit(gyp.main(args)) 128
