blob: 9dc65618690e6cb832823d976cab27d806e480c2 [file] [log] [blame]
#!/usr/bin/env python
# Copyright (C) 2011 Igalia S.L.
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import errno
import os
import select
import subprocess
import sys
top_level_dir = None
build_dir = None
build_types = ('Release', 'Debug')
def top_level_path(*args):
global top_level_dir
if not top_level_dir:
top_level_dir = os.path.join(os.path.dirname(__file__), '..', '..')
return os.path.join(*(top_level_dir,) + args)
def set_build_types(new_build_types):
global build_types
build_types = new_build_types
def library_build_path(*args):
return build_path('lib', *args)
def binary_build_path(*args):
return build_path('bin', *args)
def get_build_path(fatal=True):
global build_dir
if build_dir:
return build_dir
def is_valid_build_directory(path):
return os.path.exists(os.path.join(path, 'CMakeCache.txt')) or \
os.path.exists(os.path.join(path, 'bin/WebKitTestRunner'))
if len(sys.argv[1:]) > 1 and os.path.exists(sys.argv[-1]) and is_valid_build_directory(sys.argv[-1]):
return sys.argv[-1]
# Debian and Ubuntu build both flavours of the library (with gtk2
# and with gtk3); they use directories build-2.0 and build-3.0 for
# that, which is not handled by the above cases; we check that the
# directory where we are called from is a valid build directory,
# which should handle pretty much all other non-standard cases.
build_dir = os.getcwd()
if is_valid_build_directory(build_dir):
return build_dir
global build_types
for build_type in build_types:
build_dir = top_level_path('WebKitBuild', build_type)
if is_valid_build_directory(build_dir):
return build_dir
# distcheck builds in a directory named _build in the top-level path.
build_dir = top_level_path("_build")
if is_valid_build_directory(build_dir):
return build_dir
build_dir = top_level_path()
if is_valid_build_directory(build_dir):
return build_dir
build_dir = top_level_path("WebKitBuild")
if is_valid_build_directory(build_dir):
return build_dir
print('Could not determine build directory.')
if fatal:
def build_path(*args):
return os.path.join(*(get_build_path(),) + args)
def pkg_config_file_variable(package, variable):
process = subprocess.Popen(['pkg-config', '--variable=%s' % variable, package],
stdout = process.communicate()[0].decode("utf-8")
if process.returncode:
return None
return stdout.strip()
def prefix_of_pkg_config_file(package):
return pkg_config_file_variable(package, 'prefix')
def parse_output_lines(fd, parse_line_callback):
output = ''
read_set = [fd]
while read_set:
rlist, wlist, xlist =, [], [])
except select.error as e:
parse_line_callback("WARNING: error while waiting for fd %d to become readable\n" % fd)
parse_line_callback(" error code: %d, error message: %s\n" % (e[0], e[1]))
if fd in rlist:
chunk =, 1024)
except OSError as e:
if e.errno == errno.EIO:
# Child process finished.
chunk = ''
raise e
if not chunk:
output += chunk
while '\n' in output:
pos = output.find('\n')
parse_line_callback(output[:pos + 1])
output = output[pos + 1:]
if not chunk and output:
output = ''