class EnscriptenToolchain
	super MakefileToolchain

	redef fun makefile_name do return "{super}.js.mk"

	redef fun default_outname do return "{super}.js"

	redef fun write_makefile(compile_dir, cfiles)
	do
		super

		var emcc_make_flags = "CC=emcc CXX=em++ CFLAGS='-Wno-unused-value -Wno-switch -Qunused-arguments -s ALLOW_MEMORY_GROWTH=1"

		var release = toolcontext.opt_release.value
		if release then
			emcc_make_flags += "' LDFLAGS='--minify 1'"
		else emcc_make_flags += " -g'"

		var make_flags = self.toolcontext.opt_make_flags.value or else ""
		make_flags += emcc_make_flags
		self.toolcontext.opt_make_flags.value = make_flags
	end
end