From 0166329028f028a36e503356b453979df3758c36 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Mon, 28 Nov 2016 23:48:06 +0900
Subject: [PATCH] Compile mruby

---
 .gitignore      |   1 +
 Makefile        |   8 +++
 build_config.rb | 138 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 147 insertions(+)
 create mode 100644 build_config.rb

diff --git a/.gitignore b/.gitignore
index 3ad44af..34d5138 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 xkremap
+mruby/
 *.o
diff --git a/Makefile b/Makefile
index 9fd20ea..05044d6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,4 @@
+current_dir := $(shell pwd)
 LD=gcc
 LDFLAGS=-lX11
 OBJS=src/main.o
@@ -7,3 +8,10 @@ all: xkremap
 
 xkremap: $(OBJS)
 	$(LD) $(OBJS) $(LDFLAGS) -o $@
+
+mruby:
+	curl -L --fail --retry 3 --retry-delay 1 https://github.com/mruby/mruby/archive/1.2.0.tar.gz -s -o - | tar zxf -
+	mv mruby-1.2.0 $@
+
+mruby/build/host/bin/mruby: mruby
+	cd mruby && MRUBY_CONFIG="$(current_dir)/build_config.rb" make
diff --git a/build_config.rb b/build_config.rb
new file mode 100644
index 0000000..6b54359
--- /dev/null
+++ b/build_config.rb
@@ -0,0 +1,138 @@
+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 :gcc
+  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
+
+MRuby::Build.new('host-debug') do |conf|
+  # load specific toolchain settings
+
+  # 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'
+
+  # C compiler settings
+  conf.cc.defines = %w(MRB_ENABLE_DEBUG_HOOK)
+
+  # Generate mruby debugger command (require mruby-eval)
+  conf.gem :core => "mruby-bin-debugger"
+
+  # bintest
+  # conf.enable_bintest
+end
+
+MRuby::Build.new('test') do |conf|
+  # Gets set by the VS command prompts.
+  if ENV['VisualStudioVersion'] || ENV['VSINSTALLDIR']
+    toolchain :visualcpp
+  else
+    toolchain :gcc
+  end
+
+  enable_debug
+  conf.enable_bintest
+  conf.enable_test
+
+  conf.gembox 'default'
+end
+
+# Define cross build settings
+# MRuby::CrossBuild.new('32bit') do |conf|
+#   toolchain :gcc
+#
+#   conf.cc.flags << "-m32"
+#   conf.linker.flags << "-m32"
+#
+#   conf.build_mrbtest_lib_only
+#
+#   conf.gem 'examples/mrbgems/c_and_ruby_extension_example'
+#
+#   conf.test_runner.command = 'env'
+#
+# end