From 79f6fc0d9950eb96ffeea4150b1822e759efa0b7 Mon Sep 17 00:00:00 2001
From: Julien Lepiller <julien@lepiller.eu>
Date: Wed, 26 Dec 2018 17:40:47 +0100
Subject: gnu: antlr2: Fix reproducibility.

* gnu/packages/java.scm (antlr2)[arguments]: Add a phase to fix a timestamp issue.
---
 gnu/packages/java.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm
index 054ad67731..c607cbbcc5 100644
--- a/gnu/packages/java.scm
+++ b/gnu/packages/java.scm
@@ -6140,6 +6140,11 @@ printed.")
        (modify-phases %standard-phases
          (add-after 'install 'strip-jar-timestamps
            (assoc-ref ant:%standard-phases 'strip-jar-timestamps))
+         (add-before 'configure 'fix-timestamp
+           (lambda _
+             (substitute* "configure"
+               (("^TIMESTAMP.*") "TIMESTAMP=19700101\n"))
+             #t))
          (add-after 'configure 'fix-bin-ls
            (lambda _
              (substitute* (find-files "." "Makefile")
-- 
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