# usage of environmental variables to set the # cross compiling toolchain proper MRuby::Toolchain.new(:openwrt) do |conf| [conf.cc, conf.objc, conf.asm].each do |cc| cc.command = ENV['TARGET_CC'] cc.flags = ENV['TARGET_CFLAGS'] cc.include_paths = ["#{MRUBY_ROOT}/include"] cc.option_include_path = %q[-I"%s"] cc.option_define = '-D%s' cc.compile_options = %q[%{flags} -MMD -o "%{outfile}" -c "%{infile}"] end [conf.cxx].each do |cxx| cxx.command = ENV['TARGET_CXX'] cxx.flags = ENV['TARGET_CXXFLAGS'] cxx.include_paths = ["#{MRUBY_ROOT}/include"] cxx.option_include_path = %q[-I"%s"] cxx.option_define = '-D%s' cxx.compile_options = %q[%{flags} -MMD -o "%{outfile}" -c "%{infile}"] end conf.linker do |linker| linker.command = ENV['TARGET_CC'] linker.flags = ENV['TARGET_LDFLAGS'] linker.libraries = %w(m) linker.library_paths = [] linker.option_library = '-l%s' linker.option_library_path = '-L%s' linker.link_options = '%{flags} -o "%{outfile}" %{objs} %{flags_before_libraries} %{libs} %{flags_after_libraries}' end conf.archiver do |archiver| archiver.command = ENV['TARGET_AR'] archiver.archive_options = 'rs "%{outfile}" %{objs}' end end