With this, a --rounds=2 build passes, and timestamps in POD files can be controlled with 'SOURCE_DATE_EPOCH'. * gnu/packages/patches/perl-deterministic-ordering.patch, gnu/packages/patches/perl-no-build-time.patch, gnu/packages/patches/perl-source-date-epoch.patch: New files. * gnu/packages/perl.scm (perl)[source]: Use them. * gnu-system.am (dist_patch_DATA): Add them.
		
			
				
	
	
		
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From <https://bugs.debian.org/801523>.
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From c01f602d1926b0671fd2c8d91f7e52c4e4c9fb24 Mon Sep 17 00:00:00 2001
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From: Niko Tyni <ntyni@debian.org>
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Date: Sun, 11 Oct 2015 19:27:56 +0300
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Subject: [PATCH] Sort the list of XS code files when generating RealPPPort.xs
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all_files_in_dir() uses readdir() ordering to make the list of
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input files. This can vary between build systems, breaking build
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reproducibility.
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---
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 cpan/Devel-PPPort/PPPort_xs.PL | 2 +-
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 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/cpan/Devel-PPPort/PPPort_xs.PL b/cpan/Devel-PPPort/PPPort_xs.PL
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index 5f18940..149f2fe 100644
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--- a/cpan/Devel-PPPort/PPPort_xs.PL
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+++ b/cpan/Devel-PPPort/PPPort_xs.PL
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@@ -38,7 +38,7 @@ END
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 my $file;
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 my $sec;
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-for $file (all_files_in_dir('parts/inc')) {
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+for $file (sort(all_files_in_dir('parts/inc'))) {
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   my $spec = parse_partspec($file);
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   my $msg = 0;
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-- 
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2.5.1
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