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From: Ole Streicher <olebole@debian.org>
Date: Thu, 28 May 2015 16:53:18 +0200
Subject: Replace the build date with the last changed date of configure.ac
This shall help to make the build reproducible.
---
configure.ac | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/configure.ac b/configure.ac
index a8167e0..a77fd8a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,9 +38,10 @@ AC_CONFIG_SRCDIR(src/makeit.c)
AC_CONFIG_AUX_DIR(autoconf)
AC_CONFIG_HEADERS(config.h)
AM_INIT_AUTOMAKE
-date=`date +%Y-%m-%d`
-date2=`date +"%a %b %d %Y"`
-date3=`date +"%B %Y"`
+d0=`fgrep "Last modified" configure.ac | cut -d: -f2- | head -1 | sed "s+\(..\)/\(..\)/\(....\)+\\3-\\2-\\1+"`
+date=`date +%Y-%m-%d -d $d0`
+date2=`date +"%a %b %d %Y" -d $d0`
+date3=`date +"%B %Y" -d $d0`
AC_DEFINE_UNQUOTED(DATE, "$date", [Archive creation date])
AC_SUBST(PACKAGER, "Emmanuel Bertin")
AC_SUBST(DATE2, "$date2")
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