xref: /aosp_15_r20/external/pigweed/pw_toolchain/BUILD.bazel (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
15load("@bazel_skylib//rules:common_settings.bzl", "string_flag")
16load("//pw_unit_test:pw_cc_test.bzl", "pw_cc_test")
17
18package(default_visibility = ["//visibility:public"])
19
20licenses(["notice"])
21
22# One specific flavor of duct tape for now.
23string_flag(
24    name = "cortex-m_toolchain_kind",
25    build_setting_default = "gcc",
26    values = [
27        "clang",
28        "gcc",
29    ],
30)
31
32config_setting(
33    name = "use_clang_for_cortex-m",
34    flag_values = {":cortex-m_toolchain_kind": "clang"},
35)
36
37alias(
38    name = "cortex-m_cc_toolchain",
39    actual = select({
40        ":use_clang_for_cortex-m": "//pw_toolchain/arm_clang:arm_clang_toolchain_cortex-m",
41        "//conditions:default": "//pw_toolchain/arm_gcc:arm_gcc_toolchain_cortex-m",
42    }),
43)
44
45# This is an interim solution to allow flag-based toolchain selection.
46# Do not rely on this, as it is likely to change.
47toolchain(
48    name = "cc_toolchain_cortex-m0",
49    target_compatible_with = [
50        "@pw_toolchain//constraints/arm_mcpu:cortex-m0",
51    ],
52    toolchain = ":cortex-m_cc_toolchain",
53    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
54)
55
56toolchain(
57    name = "cc_toolchain_cortex-m0plus",
58    target_compatible_with = [
59        "@pw_toolchain//constraints/arm_mcpu:cortex-m0plus",
60    ],
61    toolchain = ":cortex-m_cc_toolchain",
62    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
63)
64
65toolchain(
66    name = "cc_toolchain_cortex-m33",
67    target_compatible_with = [
68        "@pw_toolchain//constraints/arm_mcpu:cortex-m33",
69    ],
70    toolchain = ":cortex-m_cc_toolchain",
71    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
72)
73
74cc_library(
75    name = "no_destructor",
76    hdrs = ["public/pw_toolchain/no_destructor.h"],
77    strip_include_prefix = "public",
78)
79
80pw_cc_test(
81    name = "no_destructor_test",
82    srcs = ["no_destructor_test.cc"],
83    deps = [
84        ":no_destructor",
85        "//pw_assert",
86        "//pw_unit_test",
87    ],
88)
89
90cc_library(
91    name = "sibling_cast",
92    hdrs = ["public/pw_toolchain/internal/sibling_cast.h"],
93    strip_include_prefix = "public",
94    visibility = ["//:__subpackages__"],  # Restrict to Pigweed
95    deps = ["//pw_compilation_testing:negative_compilation_testing"],
96)
97
98pw_cc_test(
99    name = "sibling_cast_test",
100    srcs = ["sibling_cast_test.cc"],
101    deps = [
102        ":sibling_cast",
103        "//pw_unit_test",
104    ],
105)
106
107cc_library(
108    name = "wrap_abort",
109    srcs = ["wrap_abort.cc"],
110    linkopts = ["-Wl,--wrap=abort"],
111    deps = ["//pw_assert"],
112    alwayslink = 1,
113)
114
115filegroup(
116    name = "doxygen",
117    srcs = [
118        "public/pw_toolchain/no_destructor.h",
119    ],
120)
121