xref: /aosp_15_r20/external/grpc-grpc/src/ruby/tools/platform_check.rb (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1# Copyright 2016 gRPC authors.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://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,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15require 'rbconfig'
16
17# This is based on http://stackoverflow.com/a/171011/159388 by Aaron Hinni
18
19module PLATFORM
20  def PLATFORM.os_name
21    case RbConfig::CONFIG['host_os']
22      when /cygwin|mswin|mingw|bccwin|wince|emx/
23        'windows'
24      when /darwin/
25        'macos'
26      else
27        'linux'
28    end
29  end
30
31  def PLATFORM.architecture
32    host_cpu = RbConfig::CONFIG['host_cpu']
33
34    # When we're on arm in macOS, we can rely on Rosetta and use the x86_64 binary
35    return 'x86_64' if RbConfig::CONFIG['host_os'] =~ /darwin/ && host_cpu =~ /arm|aarch/
36
37    case host_cpu
38      when /x86_64/
39        'x86_64'
40      else
41        'x86'
42    end
43  end
44end
45