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| 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 # ":foo($host_toolchain)". |
| 39 # output: Where to create the symlink (default="$root_out_dir/$target_name") |
| 40 # |
| 41 # Example: |
| 42 # if (current_toolchain == host_toolchain) { |
| 43 # executable("foo") { ... } |
| 44 # } else if (current_toolchain == default_toolchain) { |
| 45 # binary_symlink("foo") { |
| 46 # binary_label = ":foo($host_toolchain)" |
| 47 # } |
| 48 # } |
| 49 template("binary_symlink") { |
| 50 symlink(target_name) { |
| 51 forward_variables_from(invoker, |
| 52 [ |
| 53 "output", |
| 54 "testonly", |
| 55 "visibility", |
| 56 ]) |
| 57 deps = [ |
| 58 invoker.binary_label, |
| 59 ] |
| 60 |
| 61 _out_dir = get_label_info(invoker.binary_label, "root_out_dir") |
| 62 source = "$_out_dir/" + get_label_info(invoker.binary_label, "name") |
| 63 |
| 64 if (!defined(output)) { |
| 65 output = "$root_out_dir/${invoker.target_name}" |
| 66 } |
| 67 } |
| 68 } |
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