# Actual compilation instructions
#
# Backends:
# - make
#   pass if no Makefile

class Package::Backend::Build

	def self.make : Backend::Building
		Backend::Building.new "build", "make" do |context, recipe|
			unless Dir.exists? recipe.dirname
				Baguette::Log.detail "no '#{recipe.dirname}' directory: pass"
				next BuildStatus::Pass
			end
			Do.cd recipe.dirname

			unless File.exists? "Makefile"
				Baguette::Log.detail "no Makefile: pass"
				next BuildStatus::Pass
			end

			ncores = recipe.options["build-cores"]? || context.build_cores

			options = [
				"-j#{ncores}",
				recipe.options["make"]? || ""
			]

			child = Do.sh "make #{options.join " "}"

			if child.exit_status == 0
				BuildStatus::Success
			else
				BuildStatus::Failed
			end
		end
	end

end