chmod 755

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

-require 'FileUtils'
-
 module MRuby
   class Build
     def exefile(name)
       if name.is_a?(Array)
         name.flatten.map { |n| exefile(n) }
-	  elsif name !~ /\./
+      elsif name !~ /\./
         "#{name}#{exts.executable}"
       else
         name
@@ -26,6 +24,7 @@ MRuby.each_target do
     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/' : "echo #{config[$1]}"}
-	})
+    })
+    FileUtils.chmod(0755, t.name)
   end
 end