1 files changed, 13 insertions, 0 deletions
diff --git a/pkgs/build-support/kernel/modules-closure.nix b/pkgs/build-support/kernel/modules-closure.nix
new file mode 100644
index 000000000000..86015a8b182c
--- /dev/null
+++ b/pkgs/build-support/kernel/modules-closure.nix
@@ -0,0 +1,13 @@
+# Given a kernel build (with modules in $kernel/lib/modules/VERSION),
+# produce a module tree in $out/lib/modules/VERSION that contains only
+# the modules identified by `rootModules', plus their dependencies.
+# Also generate an appropriate modules.dep.
+
+{stdenv, kernel, rootModules, module_init_tools}:
+
+stdenv.mkDerivation {
+  name = kernel.name + "-shrunk";
+  builder = ./modules-closure.sh;
+  inherit kernel rootModules module_init_tools;
+  allowedReferences = ["out"];
+}