kmx.io/rbpkg

diff --git a/lib/rbpkg/repo.rb b/lib/rbpkg/repo.rb
index 81a3f57..4d47d2e 100644
--- a/lib/rbpkg/repo.rb
+++ b/lib/rbpkg/repo.rb
@@ -29,20 +29,20 @@ class Rbpkg::Repo
     if ! tag_present?("build-done")
       configure()
       if File.file?("#{src_dir}/Makefile")
-        make
+        cmd! "cd #{sh_quote(src_dir)} && #{make_cmd}"
       elsif File.file?("#{src_dir}/CMakeLists.txt")
-        cmake
+        cmake_cmd
       end
       tag_set("build-done")
     end
   end
 
-  def cmake
+  def cmake_cmd
     cmd! "cmake -j #{Rbpkg.ncpu} --build #{sh_quote(obj_dir)}"
   end
 
-  def make
-    cmd! "cd #{sh_quote(src_dir)} && #{make} -j #{Rbpkg.ncpu}"
+  def make_cmd
+    "${make} -j #{Rbpkg.ncpu}"
   end
 
   def checkout(branch)
diff --git a/lib/rbpkg/repos/c3.rb b/lib/rbpkg/repos/c3.rb
index 2d46769..bdf9b88 100644
--- a/lib/rbpkg/repos/c3.rb
+++ b/lib/rbpkg/repos/c3.rb
@@ -12,8 +12,8 @@ class Rbpkg::Repos::C3 < Rbpkg::Repo
     "https://git.kmx.io/c3-lang/c3.git"
   end
 
-  def make
-    cmd! "cd #{sh_quote(src_dir)} && #{make}"
+  def make_cmd
+    make
   end
 
   repo_register