xref: /aosp_15_r20/external/pigweed/pw_rust/examples/basic_executable/BUILD.gn (revision 61c4878ac05f98d0ceed94b57d316916de578985) 
1# Copyright 2022 The Pigweed Authors
2#
3# Licensed under the Apache License, Version 2.0 (the "License"); you may not
4# use this file except in compliance with the License. You may obtain a copy of
5# the License at
6#
7#     https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12# License for the specific language governing permissions and limitations under
13# the License.
14
15import("//build_overrides/pigweed.gni")
16
17import("$dir_pw_build/target_types.gni")
18
19group("basic_executable") {
20  if (pw_rust_USE_STD) {
21    deps = [
22      ":hello",
23      ":hello_pw_log",
24      ":test_hello",
25      ":test_proc_macro",
26    ]
27  } else {
28    deps = [ ":hello_pw_log" ]
29  }
30}
31
32pw_rust_executable("hello") {
33  sources = [
34    "main.rs",
35    "other.rs",
36  ]
37  deps = [
38    ":a",
39    ":c",
40    ":proc_macro",
41  ]
42}
43
44# `hello_pw_log` is a re-implementation of `hello` with no_std support.
45# It uses `pw_log()` instead of `println!()`.
46pw_rust_executable("hello_pw_log") {
47  sources = [
48    "bin/hello_pw_log/main.rs",
49    "other.rs",
50  ]
51  deps = [
52    ":a",
53    ":c",
54    ":proc_macro",
55  ]
56  if (pw_rust_USE_STD) {
57    features = [ "std" ]
58  }
59}
60
61pw_rust_test("test_hello") {
62  sources = [
63    "main.rs",
64    "other.rs",
65  ]
66  deps = [
67    ":a",
68    ":c",
69    ":proc_macro",
70  ]
71}
72
73# The dep chain hello->a->b will exercise the functionality of both direct and
74# transitive deps for A
75pw_rust_library("a") {
76  crate_root = "a/lib.rs"
77  sources = [ "a/lib.rs" ]
78  deps = [ ":b" ]
79  if (pw_rust_USE_STD) {
80    features = [ "std" ]
81  }
82}
83
84pw_rust_library("b") {
85  crate_root = "b/lib.rs"
86  sources = [ "b/lib.rs" ]
87  deps = [ ":c" ]
88  if (pw_rust_USE_STD) {
89    features = [ "std" ]
90  }
91}
92
93pw_rust_library("c") {
94  crate_root = "c/lib.rs"
95  sources = [ "c/lib.rs" ]
96  if (pw_rust_USE_STD) {
97    features = [ "std" ]
98  }
99}
100
101pw_rust_proc_macro("proc_macro") {
102  crate_root = "proc_macro/lib.rs"
103  sources = [ "proc_macro/lib.rs" ]
104}
105
106pw_rust_test("test_proc_macro") {
107  sources = [ "proc_macro/test.rs" ]
108  deps = [ ":proc_macro" ]
109}
110