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-rw-r--r--gnu/packages/scanner.scm9
1 files changed, 8 insertions, 1 deletions
diff --git a/gnu/packages/scanner.scm b/gnu/packages/scanner.scm
index fdad1c4459..7bdbf35f05 100644
--- a/gnu/packages/scanner.scm
+++ b/gnu/packages/scanner.scm
@@ -39,7 +39,14 @@
"sane-backends-" version ".tar.gz"))
(sha256
(base32
- "0b3fvhrxl4l82bf3v0j47ypjv6a0k5lqbgknrq1agpmjca6vmmx4"))))
+ "0b3fvhrxl4l82bf3v0j47ypjv6a0k5lqbgknrq1agpmjca6vmmx4"))
+ (modules '((guix build utils)))
+ (snippet
+ ;; Generated HTML files and udev rules normally embed a
+ ;; timestamp. Work around that to build things reproducibly.
+ '(substitute* "tools/sane-desc.c"
+ (("asctime \\(localtime \\(&current_time\\)\\)")
+ "\"1970-01-01\"")))))
(build-system gnu-build-system)
(native-inputs
`(("pkg-config" ,pkg-config)))