Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 1 | # Copyright 2015 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. |
| 4 | |
| 5 | # Creates a symlink. |
| 6 | # Args: |
| 7 | # source: Path to link to. |
| 8 | # output: Where to create the symlink. |
| 9 | template("symlink") { |
| 10 | action(target_name) { |
| 11 | forward_variables_from(invoker, |
| 12 | [ |
| 13 | "deps", |
| 14 | "testonly", |
| 15 | "visibility", |
| 16 | ]) |
| 17 | outputs = [ |
| 18 | invoker.output, |
| 19 | ] |
| 20 | script = "//build/symlink.py" |
| 21 | args = [ |
| 22 | "-f", |
| 23 | rebase_path(invoker.source, get_path_info(invoker.output, "dir")), |
| 24 | rebase_path(invoker.output, root_build_dir), |
| 25 | ] |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | # Creates a symlink from root_build_dir/target_name to |binary_label|. This rule |
| 30 | # is meant to be used within if (current_toolchain == default_toolchain) blocks |
| 31 | # and point to targets in the non-default toolchain. |
| 32 | # Note that for executables, using a copy (as opposed to a symlink) does not |
| 33 | # work when is_component_build=true, since dependent libraries are found via |
| 34 | # relative location. |
| 35 | # |
| 36 | # Args: |
| 37 | # binary_label: Target that builds the file to symlink to. e.g.: |
| 38 | # ":$target_name($host_toolchain)". |
| 39 | # binary_output_name: The output_name set by the binary_label target |
| 40 | # (if applicable). |
| 41 | # output_name: Where to create the symlink |
| 42 | # (default="$root_out_dir/$binary_output_name"). |
| 43 | # |
| 44 | # Example: |
| 45 | # if (current_toolchain == host_toolchain) { |
| 46 | # executable("foo") { ... } |
| 47 | # } else if (current_toolchain == default_toolchain) { |
| 48 | # binary_symlink("foo") { |
| 49 | # binary_label = ":foo($host_toolchain)" |
| 50 | # } |
| 51 | # } |
| 52 | template("binary_symlink") { |
| 53 | symlink(target_name) { |
| 54 | forward_variables_from(invoker, |
| 55 | [ |
| 56 | "output", |
| 57 | "testonly", |
| 58 | "visibility", |
| 59 | ]) |
| 60 | deps = [ |
| 61 | invoker.binary_label, |
| 62 | ] |
| 63 | |
| 64 | _out_dir = get_label_info(invoker.binary_label, "root_out_dir") |
| 65 | if (defined(invoker.binary_output_name)) { |
| 66 | _name = invoker.binary_output_name |
| 67 | } else { |
| 68 | _name = get_label_info(invoker.binary_label, "name") |
| 69 | } |
| 70 | source = "$_out_dir/$_name" |
| 71 | |
| 72 | _output_name = _name |
| 73 | if (defined(invoker.output_name)) { |
| 74 | _output_name = invoker.output_name |
| 75 | } |
| 76 | output = "$root_out_dir/$_output_name" |
| 77 | } |
| 78 | } |