From c37be409a99441b2edcace1152eb2fe7cb2a8074 Mon Sep 17 00:00:00 2001
From: Hisham <hisham@gobolinux.org>
Date: Wed, 4 May 2016 15:34:49 -0300
Subject: [PATCH] Improve reproducible builds. Use a SOURCE_DATA_EPOCH friendly
 date. Suggested by @fasterit in #476.

---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index fa323598..9b3c17bd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,8 @@
 AC_PREREQ(2.65)
 AC_INIT([htop],[2.0.1],[hisham@gobolinux.org])
 
-year=$(date +%Y)
+SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(date +%s)}"
+year=$(date -u -d "@$SOURCE_DATE_EPOCH" "+%Y" 2>/dev/null || date -u -r "$SOURCE_DATE_EPOCH" "+%Y" 2>/dev/null || date -u "+%Y")
 
 # The following two lines are required by hwloc scripts
 AC_USE_SYSTEM_EXTENSIONS