Source: libalien-wxwidgets-perl
Version: 0.65+dfsg-4
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: randomness
X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org

Hi,

While working on the "reproducible builds" effort [1], we have noticed
that libalien-wxwidgets-perl could not be built reproducibly.

The attached patch removes randomness from the build system. Once
applied, libalien-wxwidgets-perl can be built reproducibly in our
reproducible
toolchain.

 [1]: https://wiki.debian.org/ReproducibleBuilds


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      la...@debian.org / chris-lamb.co.uk
       `-
diff -urNad 
libalien-wxwidgets-perl.orig/libalien-wxwidgets-perl-0.65+dfsg/debian/patches/reproducible_build
 
libalien-wxwidgets-perl/libalien-wxwidgets-perl-0.65+dfsg/debian/patches/reproducible_build
--- 
libalien-wxwidgets-perl.orig/libalien-wxwidgets-perl-0.65+dfsg/debian/patches/reproducible_build
    1970-01-01 01:00:00.000000000 +0100
+++ 
libalien-wxwidgets-perl/libalien-wxwidgets-perl-0.65+dfsg/debian/patches/reproducible_build
 2015-02-22 01:52:20.142581602 +0000
@@ -0,0 +1,12 @@
+--- libalien-wxwidgets-perl-0.65+dfsg.orig/inc/My/Build/Base.pm
++++ libalien-wxwidgets-perl-0.65+dfsg/inc/My/Build/Base.pm
+@@ -11,6 +11,9 @@ use Data::Dumper;
+ use File::Glob qw(bsd_glob);
+ use Carp;
+ 
++# Ensure deterministic output
++$Data::Dumper::Sortkeys = 1;
++
+ # use the system version of a module if present; in theory this could lead to
+ # compatibility problems (if the latest version of one of the dependencies,
+ # installed in @INC is incompatible with the bundled version of a module)
diff -urNad 
libalien-wxwidgets-perl.orig/libalien-wxwidgets-perl-0.65+dfsg/debian/patches/series
 libalien-wxwidgets-perl/libalien-wxwidgets-perl-0.65+dfsg/debian/patches/series
--- 
libalien-wxwidgets-perl.orig/libalien-wxwidgets-perl-0.65+dfsg/debian/patches/series
        2015-02-22 01:39:51.336517155 +0000
+++ 
libalien-wxwidgets-perl/libalien-wxwidgets-perl-0.65+dfsg/debian/patches/series 
    2015-02-22 01:52:17.614466697 +0000
@@ -1,2 +1,3 @@
 fix-pod-spelling.patch
 wx-config-version.patch
+reproducible_build
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