branch master updated: build-system/linux-module: Disable depmod.

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dannym pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new 12f0aef  build-system/linux-module: Disable depmod.
12f0aef is described below

commit 12f0aefd1418443823450fdd111259269ad3d9cb
Author: Danny Milosavljevic <address@hidden>
AuthorDate: Tue Feb 18 10:42:06 2020 +0100

    build-system/linux-module: Disable depmod.
    
    * guix/build/linux-module-build-system.scm (install): Disable depmod.
---
 guix/build/linux-module-build-system.scm | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/guix/build/linux-module-build-system.scm 
b/guix/build/linux-module-build-system.scm
index cd76df2..8145d5a 100644
--- a/guix/build/linux-module-build-system.scm
+++ b/guix/build/linux-module-build-system.scm
@@ -60,15 +60,18 @@
 ;; part.
 (define* (install #:key inputs native-inputs outputs #:allow-other-keys)
   (let* ((out (assoc-ref outputs "out"))
-         (moddir (string-append out "/lib/modules"))
-         (kmod (assoc-ref (or native-inputs inputs) "kmod")))
+         (moddir (string-append out "/lib/modules")))
     ;; Install kernel modules
     (mkdir-p moddir)
     (invoke "make" "-C"
             (string-append (assoc-ref inputs "linux-module-builder")
                            "/lib/modules/build")
             (string-append "M=" (getcwd))
-            (string-append "DEPMOD=" kmod "/bin/depmod")
+            ;; Disable depmod because the Guix system's module directory
+            ;; is an union of potentially multiple packages.  It is not
+            ;; possible to use depmod to usefully calculate a dependency
+            ;; graph while building only one of those packages.
+            "DEPMOD=true"
             (string-append "MODULE_DIR=" moddir)
             (string-append "INSTALL_PATH=" out)
             (string-append "INSTALL_MOD_PATH=" out)