2021-09-29 17:44:26 -07:00

50 lines
1.1 KiB
Ruby

# typed: true
# frozen_string_literal: true
module OS
module Linux
# Helper functions for querying `glibc` information.
#
# @api private
module Glibc
extend T::Sig
module_function
sig { returns(Version) }
def system_version
@system_version ||= begin
version = Utils.popen_read("/usr/bin/ldd", "--version")[/ (\d+\.\d+)/, 1]
if version
Version.new version
else
Version::NULL
end
end
end
sig { returns(Version) }
def version
@version ||= begin
version = Utils.popen_read(HOMEBREW_PREFIX/"opt/glibc/bin/ldd", "--version")[/ (\d+\.\d+)/, 1]
if version
Version.new version
else
system_version
end
end
end
sig { returns(Version) }
def minimum_version
Version.new(ENV.fetch("HOMEBREW_LINUX_MINIMUM_GLIBC_VERSION"))
end
sig { returns(T::Boolean) }
def below_minimum_version?
system_version < minimum_version
end
end
end
end