Class: Teapot::Build::Targets::Library

Inherits:
Teapot::Build::Target show all
Includes:
Compiler, Installation
Defined in:
lib/teapot/build/targets/library.rb

Direct Known Subclasses

Executable

Instance Attribute Summary collapse

Attributes inherited from Teapot::Build::Target

#parent

Instance Method Summary collapse

Methods included from Installation

#install_prefix!

Methods included from Compiler

#build_prefix!, #compile, #compile!, #link_prefix!

Methods inherited from Teapot::Build::Target

#configure, #execute, #root, target

Constructor Details

#initialize(parent, name, options = {}) ⇒ Library

Returns a new instance of Library.



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# File 'lib/teapot/build/targets/library.rb', line 38

def initialize(parent, name, options = {})
  super parent
      
  @name = name
  @options = options
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/teapot/build/targets/library.rb', line 45

def options
  @options
end

Instance Method Details

#build(environment) ⇒ Object 



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# File 'lib/teapot/build/targets/library.rb', line 93

def build(environment)
  prefix = install_prefix!(environment)
  
  compile_and_link(environment).each do |path|
    destination_path = prefix + subdirectory + path.basename
  
    destination_path.dirname.mkpath
  
    FileUtils.cp(path, destination_path, :preserve => true)
  end
  
  if self.respond_to? :headers
    install_file_list(self.headers(environment), prefix + "include")
  end
end

#compile_and_link(environment) ⇒ Object 



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# File 'lib/teapot/build/targets/library.rb', line 67

def compile_and_link(environment)
  file_list = self.source_files(environment)

  pool = Commands::Pool.new

  objects = file_list.collect do |source_file|
    relative_path = source_file.relative_path_from(file_list.root)
  
    compile(environment, file_list.root, relative_path, pool)
  end

  pool.wait

  return Array link(environment, objects)
end

#dependent_libraries(environment) ⇒ Object 



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# File 'lib/teapot/build/targets/library.rb', line 51

def dependent_libraries(environment)
  Extractors::LinkerExtractor.libraries(environment[:ldflags])
end

#install_file_list(file_list, prefix) ⇒ Object 



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# File 'lib/teapot/build/targets/library.rb', line 83

def install_file_list(file_list, prefix)
  file_list.each do |path|
    relative_path = path.relative_path_from(file_list.root)
    destination_path = prefix + file_list.prefix + relative_path
  
    destination_path.dirname.mkpath
    FileUtils.cp(path, destination_path, :preserve => true)
  end
end

#link(environment, objects) ⇒ Object 



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# File 'lib/teapot/build/targets/library.rb', line 55

def link(environment, objects)
  library_file = link_prefix!(environment) + "lib#{@name}.a"

  graph = Build::dependency_graph(environment)
  
  if graph.regenerate?(library_file, objects + dependent_libraries(environment))
    Linker.link_static(environment, library_file, objects)
  end
  
  return library_file
end

#subdirectory ⇒ Object 



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# File 'lib/teapot/build/targets/library.rb', line 47

def subdirectory
  options[:subdirectory] || "lib"
end