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Contents
require "fileutils"
module Rscons
# Namespace module in which to store builders for convenient grouping
module Builders; end
# Class to hold an object that knows how to build a certain type of file.
class Builder
# Return the name of the builder.
# If not overridden this defaults to the last component of the class name.
def name
self.class.name.split(":").last
end
# Return a set of default variable values for the Environment to use
# unless the user overrides any.
# @param env [Environment] The Environment.
def default_variables(env)
{}
end
# Return whether this builder object is capable of producing a given target
# file name from a given source file name.
# @param target [String] The target file name.
# @param source [String, Array] The source file name(s).
# @param env [Environment] The Environment.
def produces?(target, source, env)
false
end
# Check if the cache is up to date for the target and if not execute the
# build command.
# Return the name of the target or false on failure.
def standard_build(short_cmd_string, target, command, sources, env, cache)
unless cache.up_to_date?(target, command, sources, env)
cache.mkdir_p(File.dirname(target))
FileUtils.rm_f(target)
return false unless env.execute(short_cmd_string, command)
cache.register_build(target, command, sources, env)
end
target
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems