1 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file.
5 import("//build/config/sysroot.gni")
7 # Defines a config specifying the result of running pkg-config for the given
8 # packages. Put the package names you want to query in the "packages" variable
9 # inside the template invocation.
11 # You can also add defines via the "defines" variable. This can be useful to
12 # add this to the config to pass defines that the library expects to get by
13 # users of its headers.
16 # pkg_config("mything") {
17 # packages = [ "mything1", "mything2" ]
18 # defines = [ "ENABLE_AWESOME" ]
21 # You can also use "extra args" to filter out results (see pkg-config.py):
22 # extra_args = [ "-v, "foo" ]
23 # To ignore libs and ldflags (only cflags/defines will be set, which is useful
24 # when doing manual dynamic linking), set:
28 # A pkg-config wrapper to call instead of trying to find and call the right
29 # pkg-config directly. Wrappers like this are common in cross-compilation
31 # Leaving it blank defaults to searching PATH for 'pkg-config' and relying on
32 # the sysroot mechanism to find the right .pc files.
36 pkg_config_script = "//build/config/linux/pkg-config.py"
38 # Define the args we pass to the pkg-config script for other build files that
39 # need to invoke it manually.
41 # Pass the sysroot if we're using one (it requires the CPU arch also).
48 } else if (pkg_config != "") {
57 template("pkg_config") {
58 assert(defined(invoker.packages),
59 "Variable |packages| must be defined to be a list in pkg_config.")
61 args = pkg_config_args + invoker.packages
62 if (defined(invoker.extra_args)) {
63 args += invoker.extra_args
66 pkgresult = exec_script(pkg_config_script, args, "value")
67 include_dirs = pkgresult[0]
70 if (!defined(invoker.ignore_libs) || !invoker.ignore_libs) {
72 lib_dirs = pkgresult[3]
73 ldflags = pkgresult[4]
76 forward_variables_from(invoker,