1 # Copyright 2014 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/chrome_build.gni")
7 # Runs the version processing script over the given template file to produce
8 # an output file. This is used for generating various forms of files that
9 # incorporate the product name and version.
11 # Unlike GYP, this will actually compile the resulting file, so you don't need
12 # to add it separately to the sources, just depend on the target.
14 # This template automatically includes VERSION, LASTCHANGE, and BRANDING. It
15 # automatically uses the template file .
16 # GYP parameterizes this template file but all current invocations use this
17 # same one. If in the future we need to set it, this should be added as an
20 # In GYP this is a rule that runs once per ".ver" file. In GN this just
21 # processes one file per invocation of the template so you may have to have
26 # List of file names to read. When converting a GYP target, this should
27 # list the 'source' (see above) as well as any extra_variable_files.
30 # File name of file to write. In GYP this is unspecified and it will
31 # make up a file name for you based on the input name, and tack on
32 # "_version.rc" to the end. But in GN you need to specify the full name.
34 # template_file (optional):
35 # Template file to use (not a list). Most Windows uses for generating
36 # resources will want to specify the chrome_version_rc_template defined
39 # extra_args (optional):
40 # Extra arguments to pass to version.py. Any "-f <filename>" args should
41 # use sources instead.
43 # process_only (optional, defaults to false)
44 # Set to generate only one action that processes the version file and
45 # doesn't attempt to link the result into a source set. This is for if
46 # you are processing the version as data only.
48 # visibility (optional)
51 # process_version("myversion") {
52 # sources = [ "myfile.h.in" ]
53 # output = "$target_gen_dir/myfile.h"
54 # extra_args = ["-e", "FOO=42"]
55 # extra_files = [ "foo/BRANDING" ]
57 template("process_version") {
58 assert(defined(invoker.output), "Output must be defined for $target_name")
60 process_only = defined(invoker.process_only) && invoker.process_only
63 action_name = target_name
65 action_name = target_name + "_action"
66 source_set_name = target_name
70 script = "//build/util/version.py"
72 lastchange_path = "//build/util/LASTCHANGE"
73 version_path = "//chrome/VERSION"
74 if (is_chrome_branded) {
75 branding_path = "//chrome/app/theme/google_chrome/BRANDING"
77 branding_path = "//chrome/app/theme/chromium/BRANDING"
85 if (defined(invoker.template_file)) {
86 inputs += [ invoker.template_file ]
95 if (defined(invoker.sources)) {
96 inputs += invoker.sources
97 foreach(i, invoker.sources) {
100 rebase_path(i, root_build_dir),
107 rebase_path(version_path, root_build_dir),
109 rebase_path(branding_path, root_build_dir),
111 rebase_path(lastchange_path, root_build_dir),
113 if (defined(invoker.extra_args)) {
114 args += invoker.extra_args
118 rebase_path(invoker.output, root_build_dir),
120 if (defined(invoker.template_file)) {
121 args += [ rebase_path(invoker.template_file, root_build_dir) ]
125 # When processing only, visibility gets applied to this target.
126 forward_variables_from(invoker, [ "visibility" ])
128 # When linking the result, only the source set can depend on the action.
129 visibility = [ ":$source_set_name" ]
134 source_set(source_set_name) {
135 forward_variables_from(invoker, [ "visibility" ])
136 sources = get_target_outputs(":$action_name")
144 chrome_version_rc_template = "//chrome/app/chrome_version.rc.version"