[Reproducible-builds] Bug#834758: vips: please make the build reproducible

[Chris Lamb]

Source: vips
Version: 8.3.1-1
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds at lists.alioth.debian.org

Hi,

Whilst working on the Reproducible Builds effort [0], I noticed
that vips could not be built reproducibly.

Patch attached.

 [0] https://reproducible-builds.org/


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby at debian.org / chris-lamb.co.uk
       `-
-------------- next part --------------
--- a/debian/patches/reproducible-build.patch	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/reproducible-build.patch	2016-08-18 18:34:12.040291617 +0100
@@ -0,0 +1,19 @@
+Description: Make the build reproducible
+Author: Chris Lamb <lamby at debian.org>
+Last-Update: 2016-08-18
+
+--- vips-8.3.1.orig/configure.ac
++++ vips-8.3.1/configure.ac
+@@ -26,7 +26,11 @@ VIPS_MAJOR_VERSION=vips_major_version()
+ VIPS_MINOR_VERSION=vips_minor_version()
+ VIPS_MICRO_VERSION=vips_micro_version()
+ VIPS_VERSION=vips_version()
+-VIPS_VERSION_STRING=$VIPS_VERSION-`date`
++if test "x$SOURCE_DATE_EPOCH" = "x"; then
++  VIPS_VERSION_STRING=$VIPS_VERSION-`date`
++else
++  VIPS_VERSION_STRING=$VIPS_VERSION-`LC_ALL=C date --utc --date="@$SOURCE_DATE_EPOCH"`
++fi
+ 
+ # libtool library versioning ... not user-visible (except as part of the
+ # library file name) and does not correspond to major/minor/micro above
--- a/debian/patches/series	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/series	2016-08-18 18:34:11.064283976 +0100
@@ -0,0 +1 @@
+reproducible-build.patch