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-rw-r--r--gnu/packages/machine-learning.scm4
1 files changed, 4 insertions, 0 deletions
diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm
index 01c245bd5d..5d33b2861e 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -312,6 +312,10 @@ training, HMM clustering, HMM mixtures.")
(string-append "GUILE_SITE=" #$output "/share/guile/site/3.0"))
#:phases
'(modify-phases %standard-phases
+ (add-after 'unpack 'build-reproducibly
+ (lambda _
+ (substitute* "doc/Makefile.am"
+ (("\\$\\(DATE\\)") "1970-01-01"))))
(add-after 'unpack 'use-llvm-config
(lambda _
(substitute* "m4/ax_llvmc.m4"