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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-80926] Omit compile timestamp data from C++ macros to improve repeatability of binary artifacts</title>
                <link>https://jira.mongodb.org/browse/SERVER-80926</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If we rebuild without changes we want the hash to remain the same. There are C++ macros that are able to pull the timestamp of when the compile is executed that would result in different hashes for the same code.&lt;/p&gt;

&lt;p&gt;For example if I build on Sep 8 2023 and a library we depend on uses the &quot;printf(&quot;Compiled on %s&quot;, _&lt;em&gt;DATE&lt;/em&gt;_)&quot;, that will expand to &quot;printf(&quot;Compiled on %s&quot;, &quot;Sep 8 2023&quot;)&quot; in the binary image. This will cause the hash of the binary to change if the same code is compiled tomorrow.&lt;/p&gt;

&lt;p&gt;The ability to know if the code that was used to compile a binary is the same is convenient in many scenarios. For example, it could be useful if you want to quickly check which host systems contain a binary that has a known vulnerability.&lt;/p&gt;

&lt;p&gt;Pass in the compiler options to disable these when compiling with the Bazel toolchain.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2437949">SERVER-80926</key>
            <summary>Omit compile timestamp data from C++ macros to improve repeatability of binary artifacts</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="zack.winter@mongodb.com">Zack Winter</assignee>
                                    <reporter username="zack.winter@mongodb.com">Zack Winter</reporter>
                        <labels>
                    </labels>
                <created>Fri, 8 Sep 2023 22:22:47 +0000</created>
                <updated>Sun, 29 Oct 2023 21:16:33 +0000</updated>
                            <resolved>Mon, 11 Sep 2023 16:46:48 +0000</resolved>
                                                    <fixVersion>7.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5691359" author="xgen-internal-githook" created="Sat, 9 Sep 2023 00:18:24 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Zack Winter&apos;, &apos;email&apos;: &apos;zack.winter@mongodb.com&apos;, &apos;username&apos;: &apos;zackwintermdb&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-80926&quot; title=&quot;Omit compile timestamp data from C++ macros to improve repeatability of binary artifacts&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-80926&quot;&gt;&lt;del&gt;SERVER-80926&lt;/del&gt;&lt;/a&gt; Omit compile timestamp data from C++ macros in bazel&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/afc6e8492acbdf4ed11221ae786935788971aadb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/afc6e8492acbdf4ed11221ae786935788971aadb&lt;/a&gt;&lt;/p&gt;</comment>
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