From: Reiner Herrmann <reiner@reiner-h.de>
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Date: Tue, 10 Oct 2017 15:06:13 -0300
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Subject: lib/mkmf.rb: sort list of object files in generated Makefile
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Without sorting the list explicitly, its order is indeterministic,
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because readdir() is also not deterministic.
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When the list of object files varies between builds, they are linked
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in a different order, which results in an unreproducible build.
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Upstream-Status: Backport [debian]
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Signed-off-by: Antonio Terceiro <terceiro@debian.org>
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Signed-off-by: Reiner Herrmann <reiner@reiner-h.de>
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---
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lib/mkmf.rb | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/lib/mkmf.rb
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+++ b/lib/mkmf.rb
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@@ -2315,7 +2315,7 @@
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LIBS = #{$LIBRUBYARG} #{$libs} #{$LIBS}
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ORIG_SRCS = #{orig_srcs.collect(&File.method(:basename)).join(' ')}
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SRCS = $(ORIG_SRCS) #{(srcs - orig_srcs).collect(&File.method(:basename)).join(' ')}
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-OBJS = #{$objs.join(" ")}
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+OBJS = #{$objs.sort.join(" ")}
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HDRS = #{hdrs.map{|h| '$(srcdir)/' + File.basename(h)}.join(' ')}
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LOCAL_HDRS = #{$headers.join(' ')}
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TARGET = #{target}
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