Merge pull request #1801 from mattn/mruby-config

Add mruby-bin-mruby-config

mrbgems/mruby-bin-mruby-config/mrbgem.rake

+module MRuby
+  class Build
+    def exefile(name)
+      if name.is_a?(Array)
+        name.flatten.map { |n| exefile(n) }
+      elsif name !~ /\./
+        "#{name}#{exts.executable}"
+      else
+        name
+      end
+    end
+  end
+end
+
+MRuby.each_target do
+  next if kind_of? MRuby::CrossBuild
+
+  mruby_config = 'mruby-config' + (ENV['OS'] == 'Windows_NT' ? '.bat' : '')
+  mruby_config_path = "#{build_dir}/bin/#{mruby_config}"
+  @bins << mruby_config
+
+  file mruby_config_path => libfile("#{build_dir}/lib/libmruby") do |t|
+    FileUtils.copy "#{File.dirname(__FILE__)}/#{mruby_config}", t.name
+    config = Hash[open("#{build_dir}/lib/libmruby.flags.mak").read.split("\n").map {|x| x.split(/\s*=\s*/, 2)}]
+    IO.write(t.name, File.open(t.name) {|f|
+      f.read.gsub (/echo (MRUBY_CFLAGS|MRUBY_LDFLAGS|MRUBY_LIBS)/) {|x| config[$1].empty? ? '' : "echo #{config[$1]}"}
+    })
+    FileUtils.chmod(0755, t.name)
+  end
+end

mrbgems/mruby-bin-mruby-config/mruby-config

+#!/bin/sh
+
+while [ $# -gt 0 ]; do
+  case $1 in
+    --cflags) echo MRUBY_CFLAGS;;
+    --ldflags) echo MRUBY_LDFLAGS;;
+    --libs) echo MRUBY_LIBS;;
+  esac
+  shift
+done

mrbgems/mruby-bin-mruby-config/mruby-config.bat

+@echo off
+
+:top
+shift
+if "%0" equ "" goto :eof
+if "%0" equ "--cflags" goto cflags
+if "%0" equ "--ldflags" goto ldflags
+if "%0" equ "--libs" goto libs
+echo Invalid Option
+goto :eof
+
+:cflags
+echo MRUBY_CFLAGS
+goto top
+
+:libs
+echo MRUBY_LIBS
+goto top
+
+:ldflags
+echo MRUBY_LDFLAGS
+goto top