From 89ab76b8109d494d204f81b6d934ea19c8bb7004 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Sun, 5 Jun 2022 09:14:23 -0700
Subject: gnu: autogen: Use reproducible date for man pages.

* gnu/packages/autogen.scm (autogen)[arguments]: Add 'set-man-page-date phase.
---
 gnu/packages/autogen.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/autogen.scm b/gnu/packages/autogen.scm
index 7213776f07..d0c8df17ec 100644
--- a/gnu/packages/autogen.scm
+++ b/gnu/packages/autogen.scm
@@ -62,6 +62,10 @@
 
        #:phases
        (modify-phases %standard-phases
+         (add-before 'build 'set-man-page-date
+           ;; Avoid embedding the current date for reproducible builds
+           (lambda _
+             (setenv "MAN_PAGE_DATE" "2012-04-18")))
          (add-before 'patch-source-shebangs 'patch-test-scripts
            (lambda _
              (let ((sh (which "sh")))
-- 
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