build_config_mruby.rb

MRuby::Build.new do |conf|
  # load specific toolchain settings

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

  enable_debug

  # Use mrbgems
  # conf.gem 'examples/mrbgems/ruby_extension_example'
  # conf.gem 'examples/mrbgems/c_extension_example' do |g|
  #   g.cc.flags << '-g' # append cflags in this gem
  # end
  # conf.gem 'examples/mrbgems/c_and_ruby_extension_example'
  # conf.gem :github => 'masuidrive/mrbgems-example', :checksum_hash => '76518e8aecd131d047378448ac8055fa29d974a9'
  # conf.gem :git => 'git@github.com:masuidrive/mrbgems-example.git', :branch => 'master', :options => '-v'

  # include the default GEMs
  conf.gembox 'default'

  # C compiler settings
  # conf.cc do |cc|
  #   cc.command = ENV['CC'] || 'gcc'
  #   cc.flags = [ENV['CFLAGS'] || %w()]
  #   cc.include_paths = ["#{root}/include"]
  #   cc.defines = %w(DISABLE_GEMS)
  #   cc.option_include_path = '-I%s'
  #   cc.option_define = '-D%s'
  #   cc.compile_options = "%{flags} -MMD -o %{outfile} -c %{infile}"
  # end

  # mrbc settings
  # conf.mrbc do |mrbc|
  #   mrbc.compile_options = "-g -B%{funcname} -o-" # The -g option is required for line numbers
  # end

  # Linker settings
  # conf.linker do |linker|
  #   linker.command = ENV['LD'] || 'gcc'
  #   linker.flags = [ENV['LDFLAGS'] || []]
  #   linker.flags_before_libraries = []
  #   linker.libraries = %w()
  #   linker.flags_after_libraries = []
  #   linker.library_paths = []
  #   linker.option_library = '-l%s'
  #   linker.option_library_path = '-L%s'
  #   linker.link_options = "%{flags} -o %{outfile} %{objs} %{libs}"
  # end

  # Archiver settings
  # conf.archiver do |archiver|
  #   archiver.command = ENV['AR'] || 'ar'
  #   archiver.archive_options = 'rs %{outfile} %{objs}'
  # end

  # Parser generator settings
  # conf.yacc do |yacc|
  #   yacc.command = ENV['YACC'] || 'bison'
  #   yacc.compile_options = '-o %{outfile} %{infile}'
  # end

  # gperf settings
  # conf.gperf do |gperf|
  #   gperf.command = 'gperf'
  #   gperf.compile_options = '-L ANSI-C -C -p -j1 -i 1 -g -o -t -N mrb_reserved_word -k"1,3,$" %{infile} > %{outfile}'
  # end

  # file extensions
  # conf.exts do |exts|
  #   exts.object = '.o'
  #   exts.executable = '' # '.exe' if Windows
  #   exts.library = '.a'
  # end

  # file separetor
  # conf.file_separator = '/'

  # bintest
  # conf.enable_bintest
end

# Define cross build settings
MRuby::CrossBuild.new('stm32f429') do |conf|
  toolchain :gcc

  conf.bins = [] # target is just 'libmruby.a'.

  #official mrbgems
  conf.gem :core => "mruby-sprintf"
  conf.gem :core => "mruby-print"
  conf.gem :core => "mruby-math"
  conf.gem :core => "mruby-time"
  conf.gem :core => "mruby-struct"
  conf.gem :core => "mruby-enum-ext"
  conf.gem :core => "mruby-string-ext"
  conf.gem :core => "mruby-numeric-ext"
  conf.gem :core => "mruby-array-ext"
  conf.gem :core => "mruby-hash-ext"
  conf.gem :core => "mruby-range-ext"
  conf.gem :core => "mruby-proc-ext"
  conf.gem :core => "mruby-symbol-ext"
  conf.gem :core => "mruby-random"
  conf.gem :core => "mruby-object-ext"
  conf.gem :core => "mruby-objectspace"
  conf.gem :core => "mruby-fiber"
  conf.gem :core => "mruby-enumerator"
  conf.gem :core => "mruby-enum-lazy"
  conf.gem :core => "mruby-toplevel-ext"

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


  conf.cc do |cc|
    cc.command = 'arm-none-eabi-gcc'
    cc.flags = %w(
      -MD -Os -nostdlib -fsigned-char -fno-inline -ffunction-sections
      -mthumb -mlittle-endian -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16)
    # -ffreestanding -mlong-calls
    cc.defines = %w(
      MRB_HEAP_PAGE_SIZE=256
      POOL_PAGE_SIZE=1000
      MRB_STR_BUF_MIN_SIZE=32)
  end

  conf.archiver do |ar|
    ar.command = 'arm-none-eabi-ar'
  end
end