buildconfig mruby

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


MRuby::CrossBuild.new('arm-none-eabi') do |conf|
  toolchain_prefix = '/home/eugenio/gcc-arm-none-eabi-4_7-2012q4/bin/arm-none-eabi-'

  #Generate binaries
   conf.bins = %w(mrbc mruby mirb)

  #C compiler settings
   conf.cc do |cc|
     cc.command = ENV['CC'] || toolchain_prefix + 'gcc'
     cc.flags = [ENV['CFLAGS'] || %w()]
     cc.include_paths = [toolchain_prefix  + "../include" , "#{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

  #Linker settings
   conf.linker do |linker|
     linker.command = ENV['LD'] || toolchain_prefix + 'ld'
     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'] || toolchain_prefix + '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 = '/'
end
#Define cross build settings
 MRuby::CrossBuild.new('arm-none-eabi') do |conf|

   conf.cc.flags << %w(-std=gnu99  -mthumb -mcpu=cortex-m4 -mfloat-abi=softfp -mfpu=fpv4-sp-d16 -nostdlib)
   conf.linker.flags << %w(-T "/home/eugenio/gcc-arm-none-eabi-4_7-2012q4/share/gcc-arm-none-eabi/samples/ldscripts/mem.ld")

   conf.gem 'examples/mrbgems/c_and_ruby_extension_example'
 end