Module: Prebake::Platform

Defined in:
lib/prebake/platform.rb

Constant Summary collapse

NORMALIZATIONS = 
[
  [/\Aarm64-darwin(-\d+)?\z/, "arm64-darwin"],
  [/\Ax86_64-darwin(-\d+)?\z/, "x86_64-darwin"],
  [/\Ax86_64-linux-musl\z/, "x86_64-linux-musl"],
  [/\Aaarch64-linux-musl\z/, "aarch64-linux-musl"],
  [/\Ax86_64-linux(-gnu)?\z/, "x86_64-linux"],
  [/\Aaarch64-linux(-gnu)?\z/, "aarch64-linux"]
].freeze

Class Method Summary collapse

Class Method Details

.generalized ⇒ Object 



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# File 'lib/prebake/platform.rb', line 22

def self.generalized
  platform = Gem::Platform.local
  base = normalize(platform.to_s)

  # On Linux, detect musl vs glibc - they produce incompatible binaries.
  # Gem::Platform.local may report "gnu" even on musl systems, so we
  # detect explicitly.
  if platform.os == "linux" && !base.include?("musl") && musl?
    base.sub(/\z/, "-musl")
  else
    base
  end
end

.musl? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prebake/platform.rb', line 36

def self.musl?
  return false unless RUBY_PLATFORM.include?("linux")

  File.exist?("/lib/ld-musl-x86_64.so.1") ||
    File.exist?("/lib/ld-musl-aarch64.so.1") ||
    begin
      `ldd --version 2>&1`.include?("musl")
    rescue StandardError
      false
    end
end

.normalize(platform_string) ⇒ Object 



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# File 'lib/prebake/platform.rb', line 14

def self.normalize(platform_string)
  NORMALIZATIONS.each do |pattern, normalized|
    return normalized if platform_string.match?(pattern)
  end

  platform_string
end