Add example for cross-compiling to Nintendo GameBoyAdvance
ADD
build_config/gameboyadvance.rb
+# Cross Compiling configuration for the Nintendo GameBoyAdvance.
+# This configuration requires devkitARM
+# https://devkitpro.org/wiki/Getting_Started/devkitARM
+#
+# Tested only on GNU/Linux
+#
+MRuby::CrossBuild.new("gameboyadvance") do |conf|
+ toolchain :gcc
+
+ DEVKITPRO_PATH = "/opt/devkitpro"
+ BIN_PATH = "#{DEVKITPRO_PATH}/devkitARM/bin"
+
+ # C compiler
+ conf.cc do |cc|
+ cc.command = "#{BIN_PATH}/arm-none-eabi-gcc"
+ cc.flags << ["-mthumb-interwork", "-mthumb", "-O2"]
+ cc.compile_options = %(%{flags} -o "%{outfile}" -c "%{infile}")
+ end
+
+ # C++ compiler
+ conf.cxx do |cxx|
+ cxx.command = "#{BIN_PATH}/arm-none-eabi-g++"
+ 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
+
+ # Linker
+ conf.linker do |linker|
+ linker.command = "#{BIN_PATH}/arm-none-eabi-gcc"
+ linker.flags << ["-mthumb-interwork", "-mthumb", "-specs=gba.specs"]
+ 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
+ # removing mruby-io
+ conf.gem core: "mruby-metaprog"
+ conf.gem core: "mruby-pack"
+ 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-compar-ext"
+ 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"
+ conf.gem core: "mruby-kernel-ext"
+ conf.gem core: "mruby-class-ext"
+ conf.gem core: "mruby-compiler"
+end

Add example for cross-compiling to Nintendo GameBoyAdvance