source: EcnlProtoTool/trunk/mruby-1.3.0/examples/targets/build_config_RX630.rb@ 331

MRuby::Build.new do |conf|

  # Gets set by the VS command prompts.
  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
    toolchain :visualcpp
  else
    toolchain :gcc
  end

  enable_debug

  # include the default GEMs
  conf.gembox 'default'

end

# Cross Compiling configuration for RX630
# http://gadget.renesas.com/
#
# Requires gnurx_v14.03
MRuby::CrossBuild.new("RX630") do |conf|
  toolchain :gcc

  # Linux
  BIN_PATH = "/usr/share/gnurx_v14.03_elf-1/bin"

  conf.cc do |cc|
    cc.command = "#{BIN_PATH}/rx-elf-gcc"
    cc.flags = "-Wall -g -O2 -flto -mcpu=rx600 -m64bit-doubles"
    cc.compile_options = "%{flags} -o %{outfile} -c %{infile}"

    #configuration for low memory environment
    cc.defines << %w(MRB_USE_FLOAT)
    cc.defines << %w(MRB_HEAP_PAGE_SIZE=64)
    cc.defines << %w(MRB_USE_IV_SEGLIST)
    cc.defines << %w(KHASH_DEFAULT_SIZE=8)
    cc.defines << %w(MRB_STR_BUF_MIN_SIZE=20)
    cc.defines << %w(MRB_GC_STRESS)
    cc.defines << %w(MRB_DISABLE_STDIO) #if you dont need stdio.
    #cc.defines << %w(POOL_PAGE_SIZE=1000) #effective only for use with mruby-eval
  end

  conf.cxx do |cxx|
    cxx.command = conf.cc.command.dup
    cxx.include_paths = conf.cc.include_paths.dup
    cxx.flags = conf.cc.flags.dup
    cxx.defines = conf.cc.defines.dup
    cxx.compile_options = conf.cc.compile_options.dup
  end

  conf.linker do |linker|
    linker.command="#{BIN_PATH}/rx-elf-ld"
  end

  conf.archiver do |archiver|
    archiver.command = "#{BIN_PATH}/rx-elf-ar"
    archiver.archive_options = 'rcs %{outfile} %{objs}'
  end

  #no executables
  conf.bins = []

  #do not build executable test
  conf.build_mrbtest_lib_only

  #disable C++ exception
  conf.disable_cxx_exception

  #gems from core
  conf.gem :core => "mruby-sprintf"
  conf.gem :core => "mruby-print"
  conf.gem :core => "mruby-math"
  conf.gem :core => "mruby-enum-ext"
  conf.gem :core => "mruby-numeric-ext"

  #light-weight regular expression
  #conf.gem :github => "masamitsu-murase/mruby-hs-regexp", :branch => "master"

  #Arduino API
  #conf.gem :github =>"kyab/mruby-arduino", :branch => "master"

end