#!/usr/bin/python # Copyright (c) 2011 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. import optparse import os import re import shutil import subprocess import sys # Where things are in relation to this script. SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__)) SRC_DIR = os.path.dirname(SCRIPT_DIR) NACL_DIR = os.path.join(SRC_DIR, 'native_client') # Pathing to the two command_buffer directories (relative to native_client). NACL_CMD_BUFFER_DIR = os.path.join('src', 'shared', 'ppapi_proxy', 'command_buffer') GPU_CMD_BUFFER_DIR = os.path.join('..', 'gpu', 'command_buffer') def RelativePath(path, base): """Find the relative path. Arguments: path: path we want a relative path to. base: path we want a relative path from. Returns: The relative path from base to path. """ path = os.path.abspath(path) base = os.path.abspath(base) path_parts = path.split(os.sep) base_parts = base.split(os.sep) while path_parts and base_parts and path_parts[0] == base_parts[0]: path_parts = path_parts[1:] base_parts = base_parts[1:] rel_parts = ['..'] * len(base_parts) + path_parts return os.sep.join(rel_parts) def PrintInputs(platforms): """Print all the transitive inputs required to build the IRT. Arguments: platforms: list of platform names to build for. """ inputs = set() for platform in platforms: # Invoke scons to get dependency tree. cmd = [ sys.executable, 'scons.py', '-n', '--tree=all', '--mode=nacl', 'platform=' + platform, 'scons-out/nacl_irt-' + platform + '/staging/irt.nexe', ] p = subprocess.Popen(cmd, cwd=NACL_DIR, stdout=subprocess.PIPE, stderr=subprocess.PIPE) (p_stdout, p_stderr) = p.communicate() # If things fail on windows, try running --help, if that fails, # emit this script as an input (to satiate gyp), and assume we're being # run on a test only bot. # TODO(bradnelson): add plumbing to the buildbots to allow this script # to know its on a test only bot + make scons return a _particular_ # return code so we can detect this kind of fail in one step. if p.returncode != 0 and sys.platform == 'win32': cmd = [sys.executable, 'scons.py', '--help'] p = subprocess.Popen(cmd, cwd=NACL_DIR, stdout=subprocess.PIPE, stderr=subprocess.PIPE) (p_stdout, p_stderr) = p.communicate() if p.returncode !=0: # If scons can't even run, emit just this script as an input. # See comment above this one. print RelativePath(__file__, SCRIPT_DIR).replace(os.sep, '/') return if p.returncode != 0: sys.exit(2) # Extract unique inputs. for line in p_stdout.splitlines(): m = re.match('^[ -+|]*\+\-(.+)', line) if not m: continue filename = m.group(1) if '[' in filename: continue if filename.startswith('scons-out'): continue if filename.endswith('.nexe'): continue # Apply the underlay of gpu/command_buffer (to match scons). if filename.startswith(NACL_CMD_BUFFER_DIR + os.sep): filename = GPU_CMD_BUFFER_DIR + filename[len(NACL_CMD_BUFFER_DIR):] inputs.add(filename) # Check that everything exists and make it script relative. # Exclude things above SRC_DIR. rel_inputs = set() for f in inputs: nf = os.path.join(NACL_DIR, f) if not os.path.exists(nf): raise Exception('missing input file "%s"' % nf) # If the relative path from SRC_DIR to the file starts with ../ ignore it. # (i.e. the file is outside the client). if RelativePath(nf, SRC_DIR).startswith('..' + os.sep): continue rel_inputs.add(RelativePath(nf, SCRIPT_DIR).replace(os.sep, '/')) # Print it sorted. rel_inputs = sorted(list(rel_inputs)) for f in rel_inputs: print f def BuildIRT(platforms, out_dir): """Build the IRT for several platforms. Arguments: platforms: list of platform names to build for. out_dir: directory to output the IRT to. """ # Make out_dir absolute. out_dir = os.path.abspath(out_dir) # Clean. scons_out = os.path.join(NACL_DIR, 'scons-out') if os.path.exists(scons_out): shutil.rmtree(scons_out) # Build for each platform. for platform in platforms: cmd = [ sys.executable, 'scons.py', '--verbose', '-j8', '--mode=nacl', 'platform=' + platform, 'scons-out/nacl_irt-' + platform + '/staging/irt.nexe', ] print 'Running: ' + ' '.join(cmd) # Work around the fact that python's readline module (used by scons), # attempts to alter file handle state on stdin in a way that blocks if # a process is not a member of a foreground job on a tty on OSX. # e.g. On a Mac: # # hydric:test mseaborn$ python -c 'import readline' & # [1] 67058 # hydric:test mseaborn$ # [1]+ Stopped python -c 'import readline' # # i.e. the process receives a stop signal when it's a background job. if sys.platform == 'darwin': devnull = open(os.devnull, 'r') else: devnull = None p = subprocess.Popen(cmd, cwd=NACL_DIR, stdin=devnull) p.wait() if p.returncode != 0: sys.exit(3) # Copy out each platform after stripping. for platform in platforms: uplatform = platform.replace('-', '_') platform2 = {'x86-32': 'i686', 'x86-64': 'x86_64'}.get(platform, platform) cplatform = { 'win32': 'win', 'cygwin': 'win', 'darwin': 'mac', }.get(sys.platform, 'linux') nexe = os.path.join(out_dir, 'nacl_irt_' + uplatform + '.nexe') cmd = [ '../native_client/toolchain/' + cplatform + '_x86_newlib/bin/' + platform2 + '-nacl-strip', '--strip-debug', '../native_client/scons-out/nacl_irt-' + platform + '/staging/irt.nexe', '-o', nexe ] print 'Running: ' + ' '.join(cmd) p = subprocess.Popen(cmd, cwd=SCRIPT_DIR) p.wait() if p.returncode != 0: sys.exit(4) def Main(argv): parser = optparse.OptionParser() parser.add_option('--inputs', dest='inputs', default=False, action='store_true', help='only emit the transitive inputs to the irt build') parser.add_option('--platform', dest='platforms', action='append', default=[], help='add a platform to build for (x86-32|x86-64)') parser.add_option('--outdir', dest='outdir', help='directory to out irt to') (options, args) = parser.parse_args(argv[1:]) if args or not options.platforms or ( not options.inputs and not options.outdir): parser.print_help() sys.exit(1) if options.inputs: PrintInputs(options.platforms) else: BuildIRT(options.platforms, options.outdir) if __name__ == '__main__': Main(sys.argv)