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Added example for cross-compiling for Renesas RX630
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takjn committed Dec 20, 2016
1 parent 4325707 commit 76eb7147a444c831503dd426ccec5e6ecd61ee22
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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

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