Module: OS::Linux::Libstdcxx Private

Defined in:
os/linux/libstdcxx.rb

Overview

This module is part of a private API. This module may only be used in the Homebrew/brew repository. Third parties should avoid using this module if possible, as it may be removed or changed without warning.

Helper functions for querying libstdc++ information.

Constant Summary collapse

SOVERSION =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

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SONAME =

This constant is part of a private API. This constant may only be used in the Homebrew/brew repository. Third parties should avoid using this constant if possible, as it may be removed or changed without warning. 

T.let("libstdc++.so.#{SOVERSION}".freeze, String)

Class Method Summary collapse

Class Method Details

.below_ci_version? ⇒ Boolean

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:

  • (Boolean) 


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# File 'os/linux/libstdcxx.rb', line 14

def self.below_ci_version?
  system_version < LINUX_LIBSTDCXX_CI_VERSION
end

.system_path ⇒ Pathname?

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'os/linux/libstdcxx.rb', line 29

def self.system_path
  @system_path ||= T.let(nil, T.nilable(Pathname))
  @system_path ||= find_library(OS::Linux::Ld.library_paths(brewed: false))
  @system_path ||= find_library(OS::Linux::Ld.system_dirs(brewed: false))
end

.system_version ⇒ Version

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

Returns:



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# File 'os/linux/libstdcxx.rb', line 19

def self.system_version
  @system_version ||= T.let(nil, T.nilable(Version))
  @system_version ||= if (path = system_path)
    Version.new("#{SOVERSION}#{path.realpath.basename.to_s.delete_prefix!(SONAME)}")
  else
    Version::NULL
  end
end