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Bernhard M. Wiedemann pushed to branch master at <a href="https://salsa.debian.org/reproducible-builds/reproducible-website">Reproducible Builds / reproducible-website</a>
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Commits:
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<strong style="font-weight: bold;"><a href="https://salsa.debian.org/reproducible-builds/reproducible-website/-/commit/89c32167a9674d3aec3b72fc5cdf416e31d05f1f">89c32167</a></strong>
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<span> by Bernhard M. Wiedemann </span> <i> at 2022-12-08T07:54:49+01:00 </i>
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<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>2022-11: -1 typo
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1 changed file:
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<a href="#7267a47a912e476e97c92fa95cd8be525d63f7e0">
_reports/2022-11.md
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Changes:
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<a href="https://salsa.debian.org/reproducible-builds/reproducible-website/-/commit/89c32167a9674d3aec3b72fc5cdf416e31d05f1f#7267a47a912e476e97c92fa95cd8be525d63f7e0"><strong style="font-weight: bold;">_reports/2022-11.md</strong></a>
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<td class="line_content match" style="color: rgba(0,0,0,0.3); padding: inherit;" bgcolor="#fafafa">@@ -62,7 +62,7 @@ Elsewhere in academia, Beatriz Michelson Reichert and Rafael R. Obelheiro have p</td>
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<td class="old_line diff-line-num" data-linenumber="62" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC62" class="line" lang="markdown"></span>
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<td class="old_line diff-line-num" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
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<td class="new_line diff-line-num" data-linenumber="63" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
63
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC63" class="line" lang="markdown"><span class="p">[</span><span class="nv" style="color: #008080;">![</span><span class="p">](</span><span class="sx" style="color: #d14;">{{</span> <span class="nn" style="color: #555;">"/images/reports/2022-11/golang.png#right"</span> | relative_url }})](https://go.dev/)</span>
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<td class="old_line diff-line-num" data-linenumber="64" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
64
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<td class="new_line diff-line-num" data-linenumber="64" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
64
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC64" class="line" lang="markdown"></span>
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<td class="old_line diff-line-num old" data-linenumber="65" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: inherit;" align="right" bgcolor="#f9d7dc">
65
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<td class="new_line diff-line-num old" data-linenumber="65" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: inherit;" align="right" bgcolor="#f9d7dc">
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<td class="line_content old" style="padding: inherit;" bgcolor="#fbe9eb"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'>-<span id="LC65" class="line" lang="markdown"><span class="p">*</span> A change was proposed for the <span class="p">[</span><span class="nv" style="color: #008080;">Go programming language</span><span class="p">](</span><span class="sx" style="color: #d14;">https://go.dev/</span><span class="p">)</span> to <span class="p">[</span><span class="nv" style="color: #008080;">enable reproducible builds when Link Time O<span class="idiff left right deletion" style="background-color: #fac5cd;">rgan</span>isation (LTO) is enabled</span><span class="p">](</span><span class="sx" style="color: #d14;">https://go-review.googlesource.com/c/go/+/413974</span><span class="p">)</span>. As mentioned in the changelog, Morten Linderud's patch fixes two issues when the linker used in conjunction with the <span class="sb" style="color: #d14;">`-flto`</span> option: the first involves solving an issue related to <span class="p">[</span><span class="nv" style="color: #008080;">seeded random numbers</span><span class="p">](</span><span class="sx" style="color: #d14;">https://en.wikipedia.org/wiki/Random_seed</span><span class="p">)</span>; and the second involved the binary embedding the current working directory in compressed sections of the LTO object. Both of these issues made the build unreproducible.</span>
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<td class="old_line diff-line-num new" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: inherit;" align="right" bgcolor="#ddfbe6">
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<td class="new_line diff-line-num new" data-linenumber="65" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: inherit;" align="right" bgcolor="#ddfbe6">
65
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<td class="line_content new" style="padding: inherit;" bgcolor="#ecfdf0"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'>+<span id="LC65" class="line" lang="markdown"><span class="p">*</span> A change was proposed for the <span class="p">[</span><span class="nv" style="color: #008080;">Go programming language</span><span class="p">](</span><span class="sx" style="color: #d14;">https://go.dev/</span><span class="p">)</span> to <span class="p">[</span><span class="nv" style="color: #008080;">enable reproducible builds when Link Time O<span class="idiff left right addition" style="background-color: #c7f0d2;">ptim</span>isation (LTO) is enabled</span><span class="p">](</span><span class="sx" style="color: #d14;">https://go-review.googlesource.com/c/go/+/413974</span><span class="p">)</span>. As mentioned in the changelog, Morten Linderud's patch fixes two issues when the linker used in conjunction with the <span class="sb" style="color: #d14;">`-flto`</span> option: the first involves solving an issue related to <span class="p">[</span><span class="nv" style="color: #008080;">seeded random numbers</span><span class="p">](</span><span class="sx" style="color: #d14;">https://en.wikipedia.org/wiki/Random_seed</span><span class="p">)</span>; and the second involved the binary embedding the current working directory in compressed sections of the LTO object. Both of these issues made the build unreproducible.</span>
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<td class="old_line diff-line-num" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
66
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<td class="new_line diff-line-num" data-linenumber="66" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
66
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC66" class="line" lang="markdown"></span>
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<td class="old_line diff-line-num" data-linenumber="67" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
67
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<td class="new_line diff-line-num" data-linenumber="67" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
67
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC67" class="line" lang="markdown"><span class="p">*</span> In the <span class="p">[</span><span class="nv" style="color: #008080;">.NET framework ecosystem</span><span class="p">](</span><span class="sx" style="color: #d14;">https://en.wikipedia.org/wiki/.NET</span><span class="p">)</span>, a wiki page for the <span class="p">[</span><span class="nv" style="color: #008080;">Roslyn .NET C# and Visual Basic compiler</span><span class="p">](</span><span class="sx" style="color: #d14;">https://learn.microsoft.com/en-gb/dotnet/csharp/roslyn-sdk/</span><span class="p">)</span> was uncovered this month that <span class="p">[</span><span class="nv" style="color: #008080;">details its attempts to ensure end-to-end reproducible builds</span><span class="p">](</span><span class="sx" style="color: #d14;">https://github.com/dotnet/roslyn/blob/main/docs/compilers/Deterministic%20Inputs.md</span><span class="p">)</span> by focusing on the definition on what are 'considered inputs to the compiler for the purpose of determinism'. This is a spiritual followup to a 2016 blog post by Microsoft developer <span class="p">[</span><span class="nv" style="color: #008080;">Jared Parsons</span><span class="p">](</span><span class="sx" style="color: #d14;">https://blog.paranoidcoding.com/</span><span class="p">)</span> on '<span class="p">[</span><span class="nv" style="color: #008080;">Deterministic builds in Roslyn</span><span class="p">](</span><span class="sx" style="color: #d14;">https://blog.paranoidcoding.com/2016/04/05/deterministic-builds-in-roslyn.html</span><span class="p">)</span>' which starts: 'It seems silly to celebrate features which should have been there from the start.'</span>
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<td class="old_line diff-line-num" data-linenumber="68" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
68
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<td class="new_line diff-line-num" data-linenumber="68" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: inherit;" align="right" bgcolor="#fafafa">
68
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<td class="line_content" style="padding: inherit;"><pre style='display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dbdbdb;'> <span id="LC68" class="line" lang="markdown"></span>
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