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-rw-r--r--gnu/packages/statistics.scm8
1 files changed, 8 insertions, 0 deletions
diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 1fe82d5d99..a6c1f046dc 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -185,6 +185,14 @@ be output in text, PostScript, PDF or HTML.")
(substitute* "src/library/tools/Makefile.in"
(("(install_package_description\\(.*\"')\\)\"" line prefix)
(string-append prefix ", builtStamp='1970-01-01')\"")))
+
+ ;; R bundles an older version of help2man, which does not respect
+ ;; SOURCE_DATE_EPOCH. We cannot just use the latest help2man,
+ ;; because that breaks a test.
+ (with-fluids ((%default-port-encoding "ISO-8859-1"))
+ (substitute* "tools/help2man.pl"
+ (("my \\$date = strftime \"%B %Y\", localtime" line)
+ (string-append line " 1"))))
#t))
(add-before 'configure 'set-default-pager
;; Set default pager to "cat", because otherwise it is "false",