From 84d056974d84237de72ea2fb15bc1270b60841d0 Mon Sep 17 00:00:00 2001
From: "Michael R. Crusoe" <michael.crusoe@gmail.com>
Date: Wed, 4 Dec 2019 14:10:42 +0100
Subject: [PATCH] improve reproducibility

---
 debian/patches/reprobuild | 20 ++++++++++++++++++++
 debian/patches/series     |  1 +
 2 files changed, 21 insertions(+)
 create mode 100644 debian/patches/reprobuild

diff --git a/debian/patches/reprobuild b/debian/patches/reprobuild
new file mode 100644
index 00000000..4ce55636
--- /dev/null
+++ b/debian/patches/reprobuild
@@ -0,0 +1,20 @@
+Author: Michael R. Crusoe <michael.crusoe@gmail.com>
+Description: make the build more reproducible
+--- ncbi-blastplus.orig/c++/src/build-system/configure.ac
++++ ncbi-blastplus/c++/src/build-system/configure.ac
+@@ -2826,13 +2826,13 @@
+    linux*)
+       kver=`uname -r | sed -e 's/-.*//'`
+       libcver=`ldd --version | awk 'NR == 1 { print $NF }'`
+-      verbose_host=$host_cpu-$host_vendor-linux$kver-gnu$libcver
++      verbose_host=$host_cpu-$host_vendor-linux-gnu$libcver
+       ;;
+    *) verbose_host=$host ;;
+ esac
+ 
+ #### Overall configuration mode summary
+-signature_hostname=`(hostname || uname -n) 2>/dev/null \
++signature_hostname=`echo debian_build 2>/dev/null \
+     | sed 's/\..*//; s/-/_/g; 1q'`
+ signature="${signature_compiler}_${signature_compiler_version}-${release_debug}${mt_sfx}${dll_sfx}${bit64_sfx}${prof_sfx}--${verbose_host}-${signature_hostname}"
+ AC_DEFINE_UNQUOTED(NCBI_SIGNATURE, "$signature",
diff --git a/debian/patches/series b/debian/patches/series
index 639f255e..db6b7513 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -11,3 +11,4 @@ suppress_gnutls_version_check
 optionally_keep_sequence
 fix_unit_tests
 system_mbedtls_only
+reprobuild
-- 
2.30.2