From 7647c0dec993159432534d0e3815367a5e8e3b76 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Thu, 26 Sep 2019 21:58:47 +0200
Subject: gnu: tbb: Build in a reproducible fashion.

Fixes <https://bugs.gnu.org/37522>.

* gnu/packages/tbb.scm (tbb)[source](snippets): Annihilate attempts to
capture the build time and kernel version.
---
 gnu/packages/tbb.scm | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/gnu/packages/tbb.scm b/gnu/packages/tbb.scm
index 5e427ffe63..f6d7e9b8b4 100644
--- a/gnu/packages/tbb.scm
+++ b/gnu/packages/tbb.scm
@@ -44,6 +44,17 @@ (define-public tbb
                   (substitute* "build/common.inc"
                     (("export tbb_build_prefix.+$")
                      "export tbb_build_prefix?=guix\n"))
+
+                  ;; Don't capture the build time and kernel version.
+                  (substitute* "build/version_info_linux.sh"
+                    (("uname -srv") "uname -s")
+                    (("`date -u`") "01 Jan 1970"))
+
+                  (substitute* "build/linux.inc"
+                    (("os_kernel_version:=.*")
+                     "os_kernel_version:=5\n")
+                    (("os_version:=.*")
+                     "os_version:=1\n"))
                   #t))))
     (outputs '("out" "doc"))
     (build-system gnu-build-system)
-- 
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