diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e30e29..48c2468 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,11 +10,12 @@ jobs:
         ruby: ["3.2"]
     steps:
       - uses: actions/checkout@v3
+        with:
+          submodules: recursive      
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-      - uses: r-lib/actions/setup-r@v2
       - if: matrix.os == 'ubuntu'
         run: sudo apt-get update -yq && sudo apt-get upgrade -yq
       - if: matrix.os == 'macos'
diff --git a/Rakefile b/Rakefile
index cb6fc46..8df0991 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,16 +1,37 @@
-require 'bundler/gem_tasks'
-require 'rake/testtask'
+require "bundler/gem_tasks"
+require "rake/testtask"
 
 Rake::TestTask.new(:test) do |t|
-  t.libs << 'test'
-  t.libs << 'lib'
-  t.test_files = FileList['test/**/*_test.rb']
+  t.libs << "test"
+  t.libs << "lib"
+  t.test_files = FileList["test/**/*_test.rb"]
 end
 
-require 'rake/extensiontask'
+require "rake/extensiontask"
 
 task build: :compile
 
-Rake::ExtensionTask.new('odgi') do |ext|
-  ext.lib_dir = 'lib/odgi'
+Rake::ExtensionTask.new("odgi") do |ext|
+  ext.lib_dir = "lib/odgi"
+end
+
+namespace :odgi do
+  desc "Building odgi"
+  task :build do
+    Dir.chdir("odgi") do
+      sh "cmake -H. -Bbuild"
+      sh "cmake --build build -- -j #{Etc.nprocessors}"
+      sh "mkdir -p ../vendor"
+      if File.exist?("lib/libodgi.a")
+        sh "cp lib/libodgi.a ../vendor"
+      elsif File.exist?("build/libodgi.so")
+        sh "cp lib/libodgi.so ../vendor"
+      elsif File.exist?("build/libodgi.dylib")
+        sh "cp lib/libodgi.dylib ../vendor"
+      else
+        sh "ls -l lib"
+        warn "libodgi.a or libodgi.so or libodgi.dylib not found"
+      end
+    end
+  end
 end