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# Cross Compiling configuration for Arduino Due
# https://arduino.cc/en/Main/ArduinoBoardDue
#
# Requires Arduino IDE >= 1.5
MRuby::CrossBuild.new("ArduinoDue") do |conf|
toolchain :gcc
# Mac OS X, Arduino IDE <= 1.5.6
# ARDUINO_PATH = '/Applications/Arduino.app/Contents/Resources/Java'
# Mac OS X, Arduino IDE >= 1.5.7
# ARDUINO_PATH = '/Applications/Arduino.app/Contents/Java'
# GNU Linux
ARDUINO_PATH = '/opt/arduino'
# Arduino IDE <= 1.5.6
BIN_PATH = "#{ARDUINO_PATH}/hardware/tools/g++_arm_none_eabi/bin"
# Arduino IDE >= 1.5.7
# BIN_PATH = "#{ARDUINO_PATH}/hardware/tools/gcc-arm-none-eabi-4.8.3-2014q1/bin"
SAM_PATH = "#{ARDUINO_PATH}/hardware/arduino/sam"
TARGET_PATH = "#{SAM_PATH}/variants/arduino_due_x"
conf.cc do |cc|
cc.command = "#{BIN_PATH}/arm-none-eabi-gcc"
cc.include_paths << ["#{SAM_PATH}/system/libsam", "#{SAM_PATH}/system/CMSIS/CMSIS/Include/",
"#{SAM_PATH}/system/CMSIS/Device/ATMEL/",
"#{SAM_PATH}/cores/arduino", "#{SAM_PATH}/libraries","#{TARGET_PATH}"]
cc.flags = %w(-g -Os -w -ffunction-sections -fdata-sections -nostdlib --param max-inline-insns-single=500
-Dprintf=iprintf -mcpu=cortex-m3 -DF_CPU=84000000L -DARDUINO=156 -DARDUINO_SAM_DUE -DARDUINO_ARCH_SAM
-D__SAM3X8E__ -mthumb -DUSB_PID=0x003e -DUSB_VID=0x2341 -DUSBCON -DUSB_MANUFACTURER="Unknown" -DUSB_PRODUCT="Arduino Due")
cc.compile_options = %Q[%{flags} -o "%{outfile}" -c "%{infile}"]
#configuration for low memory environment
cc.defines << %w(MRB_HEAP_PAGE_SIZE=64)
cc.defines << %w(KHASH_DEFAULT_SIZE=8)
cc.defines << %w(MRB_GC_STRESS)
#cc.defines << %w(MRB_NO_STDIO) #if you don't 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.flags << %w(-fno-rtti -fno-exceptions)
cxx.defines = conf.cc.defines.dup
cxx.compile_options = conf.cc.compile_options.dup
end
conf.archiver do |archiver|
archiver.command = "#{BIN_PATH}/arm-none-eabi-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-math"
conf.gem :core => "mruby-enum-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
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