Support building by Rake

.gitignore

@@ -3,3 +3,4 @@
 Makefile
 mkmf.log
 /pkg/
+/tmp/

Rakefile

@@ -16,6 +16,7 @@
 
 require "rubygems"
 require "bundler/gem_helper"
+require "rake/extensiontask"
 require "packnga"
 
 base_dir = File.join(File.dirname(__FILE__))
@@ -28,6 +29,12 @@ end
 helper.install
 spec = helper.gemspec
 
+Rake::ExtensionTask.new("arrow_nmatrix", spec) do |ext|
+  ext.ext_dir = "ext/arrow-nmatrix"
+  ext.cross_platform = ["x86-mingw32", "x64-mingw32"]
+  ext.cross_compile = true
+end
+
 Packnga::DocumentTask.new(spec) do |task|
   task.original_language = "en"
   task.translate_language = "ja"

red-arrow-nmatrix.gemspec

@@ -48,6 +48,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency("bundler")
   spec.add_development_dependency("rake")
   spec.add_development_dependency("test-unit")
+  spec.add_development_dependency("reke-compiler")
   spec.add_development_dependency("packnga")
   spec.add_development_dependency("kramdown")
 end

test/run-test.rb

@@ -29,7 +29,9 @@
 
 if system("type make > /dev/null")
   Dir.chdir(ext_dir) do
-    system("make -j8 > /dev/null") or exit(false)
+    if File.exist?("Makefile")
+      system("make -j8 > /dev/null") or exit(false)
+    end
   end
 end