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-rw-r--r--gnu/system/linux-initrd.scm14
1 files changed, 13 insertions, 1 deletions
diff --git a/gnu/system/linux-initrd.scm b/gnu/system/linux-initrd.scm
index 58e95a1312..6236d25b9d 100644
--- a/gnu/system/linux-initrd.scm
+++ b/gnu/system/linux-initrd.scm
@@ -132,15 +132,27 @@ MODULES and taken from LINUX."
#~(begin
(use-modules (gnu build linux-modules)
(guix build utils)
+ (rnrs io ports)
(srfi srfi-1)
(srfi srfi-26))
(define module-dir
(string-append #$linux "/lib/modules"))
+ (define builtin-modules
+ (call-with-input-file
+ (first (find-files module-dir "modules.builtin$"))
+ (lambda (port)
+ (map file-name->module-name
+ (string-tokenize
+ (get-string-all port))))))
+
+ (define modules-to-lookup
+ (lset-difference string=? '#$modules builtin-modules))
+
(define modules
(let* ((lookup (cut find-module-file module-dir <>))
- (modules (map lookup '#$modules)))
+ (modules (map lookup modules-to-lookup)))
(append modules
(recursive-module-dependencies
modules