1 files changed, 96 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/tasks/mrbgems.rake b/web/server/h2o/libh2o/deps/mruby/tasks/mrbgems.rake
new file mode 100644
index 00000000..65368c30
--- /dev/null
+++ b/web/server/h2o/libh2o/deps/mruby/tasks/mrbgems.rake
@@ -0,0 +1,96 @@
+MRuby.each_target do
+  if enable_gems?
+    # set up all gems
+    gems.each(&:setup)
+    gems.check self
+
+    # loader all gems
+    self.libmruby << objfile("#{build_dir}/mrbgems/gem_init")
+    file objfile("#{build_dir}/mrbgems/gem_init") => ["#{build_dir}/mrbgems/gem_init.c", "#{build_dir}/LEGAL"]
+    file "#{build_dir}/mrbgems/gem_init.c" => [MRUBY_CONFIG, __FILE__] do |t|
+      FileUtils.mkdir_p "#{build_dir}/mrbgems"
+      open(t.name, 'w') do |f|
+        gem_func_gems = gems.select { |g| g.generate_functions }
+        gem_func_decls = gem_func_gems.each_with_object('') do |g, s|
+          s << "void GENERATED_TMP_mrb_#{g.funcname}_gem_init(mrb_state*);\n" \
+               "void GENERATED_TMP_mrb_#{g.funcname}_gem_final(mrb_state*);\n"
+        end
+        gem_init_calls = gem_func_gems.each_with_object('') do |g, s|
+          s << "  GENERATED_TMP_mrb_#{g.funcname}_gem_init(mrb);\n"
+        end
+        gem_final_calls = gem_func_gems.each_with_object('') do |g, s|
+          s << "  GENERATED_TMP_mrb_#{g.funcname}_gem_final(mrb);\n"
+        end
+        f.puts %Q[/*]
+        f.puts %Q[ * This file contains a list of all]
+        f.puts %Q[ * initializing methods which are]
+        f.puts %Q[ * necessary to bootstrap all gems.]
+        f.puts %Q[ *]
+        f.puts %Q[ * IMPORTANT:]
+        f.puts %Q[ *   This file was generated!]
+        f.puts %Q[ *   All manual changes will get lost.]
+        f.puts %Q[ */]
+        f.puts %Q[]
+        f.puts %Q[#include <mruby.h>]
+        f.puts %Q[]
+        f.write gem_func_decls
+        f.puts %Q[]
+        f.puts %Q[static void]
+        f.puts %Q[mrb_final_mrbgems(mrb_state *mrb) {]
+        f.write gem_final_calls
+        f.puts %Q[}]
+        f.puts %Q[]
+        f.puts %Q[void]
+        f.puts %Q[mrb_init_mrbgems(mrb_state *mrb) {]
+        f.write gem_init_calls
+        f.puts %Q[  mrb_state_atexit(mrb, mrb_final_mrbgems);] unless gem_final_calls.empty?
+        f.puts %Q[}]
+      end
+    end
+  end
+
+  # legal documents
+  file "#{build_dir}/LEGAL" => [MRUBY_CONFIG, __FILE__] do |t|
+    open(t.name, 'w+') do |f|
+     f.puts <<LEGAL
+Copyright (c) #{Time.now.year} mruby developers
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+LEGAL
+
+      if enable_gems?
+        f.puts <<GEMS_LEGAL
+
+Additional Licenses
+
+Due to the reason that you choosed additional mruby packages (GEMS),
+please check the following additional licenses too:
+GEMS_LEGAL
+
+        gems.map do |g|
+          authors = [g.authors].flatten.sort.join(", ")
+          f.puts
+          f.puts "GEM: #{g.name}"
+          f.puts "Copyright (c) #{Time.now.year} #{authors}"
+          f.puts "License: #{g.licenses}"
+        end
+      end
+    end
+  end
+end