in build/config/linux/pkg-config.py [0:0]
def main():
# If this is run on non-Linux platforms, just return nothing and indicate
# success. This allows us to "kind of emulate" a Linux build from other
# platforms.
if "linux" not in sys.platform:
print("[[],[],[],[],[]]")
return 0
parser = OptionParser()
parser.add_option('-d', '--debug', action='store_true')
parser.add_option('-p', action='store', dest='pkg_config', type='string',
default='pkg-config')
parser.add_option('-v', action='append', dest='strip_out', type='string')
parser.add_option('-s', action='store', dest='sysroot', type='string')
parser.add_option('-a', action='store', dest='arch', type='string')
parser.add_option('--system_libdir', action='store', dest='system_libdir',
type='string', default='lib')
parser.add_option('--atleast-version', action='store',
dest='atleast_version', type='string')
parser.add_option('--libdir', action='store_true', dest='libdir')
parser.add_option('--dridriverdir', action='store_true', dest='dridriverdir')
parser.add_option('--version-as-components', action='store_true',
dest='version_as_components')
(options, args) = parser.parse_args()
# Make a list of regular expressions to strip out.
strip_out = []
if options.strip_out != None:
for regexp in options.strip_out:
strip_out.append(re.compile(regexp))
if options.sysroot:
libdir = SetConfigPath(options)
if options.debug:
sys.stderr.write('PKG_CONFIG_LIBDIR=%s\n' % libdir)
prefix = GetPkgConfigPrefixToStrip(options, args)
else:
prefix = ''
if options.atleast_version:
# When asking for the return value, just run pkg-config and print the return
# value, no need to do other work.
if not subprocess.call([options.pkg_config,
"--atleast-version=" + options.atleast_version] +
args):
print("true")
else:
print("false")
return 0
if options.version_as_components:
cmd = [options.pkg_config, "--modversion"] + args
try:
version_string = subprocess.check_output(cmd).decode('utf-8')
except:
sys.stderr.write('Error from pkg-config.\n')
return 1
print(json.dumps(list(map(int, version_string.strip().split(".")))))
return 0
if options.libdir:
cmd = [options.pkg_config, "--variable=libdir"] + args
if options.debug:
sys.stderr.write('Running: %s\n' % cmd)
try:
libdir = subprocess.check_output(cmd).decode('utf-8')
except:
print("Error from pkg-config.")
return 1
sys.stdout.write(libdir.strip())
return 0
if options.dridriverdir:
cmd = [options.pkg_config, "--variable=dridriverdir"] + args
if options.debug:
sys.stderr.write('Running: %s\n' % cmd)
try:
dridriverdir = subprocess.check_output(cmd).decode('utf-8')
except:
print("Error from pkg-config.")
return 1
sys.stdout.write(dridriverdir.strip())
return
cmd = [options.pkg_config, "--cflags", "--libs"] + args
if options.debug:
sys.stderr.write('Running: %s\n' % ' '.join(cmd))
try:
flag_string = subprocess.check_output(cmd).decode('utf-8')
except:
sys.stderr.write('Could not run pkg-config.\n')
return 1
# For now just split on spaces to get the args out. This will break if
# pkgconfig returns quoted things with spaces in them, but that doesn't seem
# to happen in practice.
all_flags = flag_string.strip().split(' ')
sysroot = options.sysroot
if not sysroot:
sysroot = ''
includes = []
cflags = []
libs = []
lib_dirs = []
for flag in all_flags[:]:
if len(flag) == 0 or MatchesAnyRegexp(flag, strip_out):
continue;
if flag[:2] == '-l':
libs.append(RewritePath(flag[2:], prefix, sysroot))
elif flag[:2] == '-L':
lib_dirs.append(RewritePath(flag[2:], prefix, sysroot))
elif flag[:2] == '-I':
includes.append(RewritePath(flag[2:], prefix, sysroot))
elif flag[:3] == '-Wl':
# Don't allow libraries to control ld flags. These should be specified
# only in build files.
pass
elif flag == '-pthread':
# Many libs specify "-pthread" which we don't need since we always include
# this anyway. Removing it here prevents a bunch of duplicate inclusions
# on the command line.
pass
else:
cflags.append(flag)
# Output a GN array, the first one is the cflags, the second are the libs. The
# JSON formatter prints GN compatible lists when everything is a list of
# strings.
print(json.dumps([includes, cflags, libs, lib_dirs]))
return 0