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Diffstat (limited to 'chromium/build/config/linux/pkg-config.py')
-rw-r--r-- | chromium/build/config/linux/pkg-config.py | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/chromium/build/config/linux/pkg-config.py b/chromium/build/config/linux/pkg-config.py new file mode 100644 index 00000000000..40988d9792e --- /dev/null +++ b/chromium/build/config/linux/pkg-config.py @@ -0,0 +1,76 @@ +# Copyright (c) 2013 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 json +import subprocess +import sys +import re +from optparse import OptionParser + +# This script runs pkg-config, optionally filtering out some results, and +# returns the result. +# +# The result will be [ <includes>, <cflags>, <libs>, <lib_dirs> ] where each +# member is itself a list of strings. +# +# You can filter out matches using "-v <regexp>" where all results from +# pkgconfig matching the given regular expression will be ignored. You can +# specify more than one regular expression my specifying "-v" more than once. + +# 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 sys.platform.find("linux") == -1: + print "[[],[],[]]" + sys.exit(0) + +parser = OptionParser() +parser.add_option('-v', action='append', dest='strip_out', type='string') +(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)) + +try: + flag_string = subprocess.check_output(["pkg-config", "--cflags", "--libs"] + + args) + # 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(' ') +except: + print "Could not run pkg-config." + sys.exit(1) + +includes = [] +cflags = [] +libs = [] +lib_dirs = [] + +def MatchesAnyRegexp(flag, list_of_regexps): + for regexp in list_of_regexps: + if regexp.search(flag) != None: + return True + return False + +for flag in all_flags[:]: + if len(flag) == 0 or MatchesAnyRegexp(flag, strip_out): + continue; + + if flag[:2] == '-l': + libs.append(flag[2:]) + if flag[:2] == '-L': + lib_dirs.append(flag[2:]) + elif flag[:2] == '-I': + includes.append(flag[2:]) + 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]) |