Merge pull request #727 from mattn/dep_gems

Add dependency to build gems list

Rakefile

@@ -8,7 +8,8 @@ load 'tasks/mruby_gem_spec.rake'
 
 ##############################
 # compile flags
-load File.expand_path(ENV['CONFIG'] || './build_config.rb')
+MRUBY_CONFIG = File.expand_path(ENV['MRUBY_CONFIG'] || './build_config.rb')
+load MRUBY_CONFIG
 
 load 'tasks/rules.rake'
 load 'src/mruby_core.rake'

doc/compile/README.md

@@ -83,7 +83,7 @@ MRuby::CrossBuild.new('i386') do |conf|
 end
 ```
 
-You can configurate the same options as for a normal build.
+You can configurate the same options as for a normal build. You can specified your own build_config.rb with *$MRUBY_CONFIG*.
 
 ## Build process
 

tasks/mrbgems.rake

@@ -29,5 +29,7 @@ mrb_init_mrbgems(mrb_state *mrb) {
 __EOF__
       end
     end
+
+    file "#{build_dir}/mrbgems/gem_init.c" => MRUBY_CONFIG
   end
 end