linux module handling: support kernels without modules

2018-04-05 17:00:00 +02:00
parent 59ddb3ebfb
commit 30bff42231
2 changed files with 20 additions and 0 deletions
@@ -1,5 +1,19 @@
 source $stdenv/setup

+# When no modules are built, the $out/lib/modules directory will not
+# exist. Because the rest of the script assumes it does exist, we
+# handle this special case first.
+if ! test -d "$out/lib/modules"; then
+    if test -z "$rootModules" || test -n "$allowMissing"; then
+        mkdir -p "$out"
+        exit 0
+    else
+        echo "Required modules: $rootModules"
+        echo "Can not derive a closure of kernel modules because no modules were provided."
+        exit 1
+    fi
+fi
+
 version=$(cd $kernel/lib/modules && ls -d *)

 echo "kernel version is $version"