From ef1f9acf470e1871395daf18ce5d1c58d87f2ab0 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Wed, 3 Oct 2018 23:04:32 +0200
Subject: gnu: azr3: Fix build.

Fixes <https://bugs.gnu.org/32698>.

* gnu/packages/audio.scm (azr3)[arguments]: Add build phase to reset timestamp
of man page source.
---
 gnu/packages/audio.scm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 8f100ce7a3..95cc2ed68c 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -449,7 +449,14 @@ tools.")
              "CXXFLAGS=-std=gnu++11"
              "CFLAGS=-std=gnu++11"
              (string-append "prefix=" %output)
-             (string-append "pkgdatadir=" %output "/share/azr3-jack"))))
+             (string-append "pkgdatadir=" %output "/share/azr3-jack"))
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'install 'fix-timestamp
+           (lambda _
+             (let ((early-1980 315619200)) ; 1980-01-02 UTC
+               (utime "azr3.1" early-1980 early-1980))
+             #t)))))
     (inputs
      `(("gtkmm" ,gtkmm-2)
        ("lvtk" ,lvtk)
-- 
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