From d8dcee584e12b89173f3a695c957ac3c66731353 Mon Sep 17 00:00:00 2001
From: mattn <mattn.jp@gmail.com>
Date: Fri, 11 Jan 2013 21:01:04 +0900
Subject: build gems if build_config.rb is modified.

---
 Rakefile           | 7 ++++---
 tasks/mrbgems.rake | 2 ++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Rakefile b/Rakefile
index f522c808b..fd0336033 100644
--- a/Rakefile
+++ b/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'
@@ -37,9 +38,9 @@ depfiles = MRuby.targets['host'].bins.map do |bin|
   install_path
 end
 
-depfiles += MRuby.targets.reject {|n,t| n == 'host' }.map do |n, t|
+depfiles += MRuby.targets.reject {|n,t| n == 'host' }.map { |n, t|
   ["#{t.build_dir}/lib/libmruby.a"] + t.bins.map { |bin| exefile("#{t.build_dir}/bin/#{bin}") }
-end
+}.flatten
 
 desc "build all targets, install (locally) in-repo"
 task :all => depfiles
diff --git a/tasks/mrbgems.rake b/tasks/mrbgems.rake
index 356e40369..07e412b53 100644
--- a/tasks/mrbgems.rake
+++ b/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
-- 
cgit v1.2.3


From 33d843d185ea929ced6ce2d7aadbcce760f87eb8 Mon Sep 17 00:00:00 2001
From: mattn <mattn.jp@gmail.com>
Date: Fri, 11 Jan 2013 21:27:08 +0900
Subject: note about $MRUBY_CONFIG.

---
 doc/compile/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/compile/README.md b/doc/compile/README.md
index cec70e68b..168417984 100644
--- a/doc/compile/README.md
+++ b/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
 
-- 
cgit v1.2.3