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<channel>
    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
    </build-info>


<item>
            <title>[SERVER-5140] SConstruct new smoke_python_name() hangs compilation</title>
                <link>https://jira.mongodb.org/browse/SERVER-5140</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When running scons to compile mongoDB from source, the smoke tests hang when calling smoke_python_name() at the second binary loop in the function. The compilation is then stale and won&apos;t go any further.&lt;/p&gt;

&lt;p&gt;This patch fixes the problem by checking for the python binary in PATH instead of only relying on the exception handler.&lt;/p&gt;

&lt;p&gt;NB : this patch also fixes user respect of FLAGS but you can ignore it if you want, this bug is fixed with the @@ -827,14 +830,16 @@ part only&lt;/p&gt;</description>
                <environment>Gentoo Linux&lt;br/&gt;
&lt;br/&gt;
dev-lang/python:          2.7.2-r3, 3.2.2</environment>
        <key id="31829">SERVER-5140</key>
            <summary>SConstruct new smoke_python_name() hangs compilation</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="9">Done</resolution>
                                        <assignee username="schwerin@mongodb.com">Andy Schwerin</assignee>
                                    <reporter username="ultrabug">Ultrabug</reporter>
                        <labels>
                    </labels>
                <created>Wed, 29 Feb 2012 11:47:21 +0000</created>
                <updated>Mon, 11 Jul 2016 18:32:17 +0000</updated>
                            <resolved>Thu, 22 Mar 2012 20:33:26 +0000</resolved>
                                    <version>2.0.4</version>
                                    <fixVersion>2.0.5</fixVersion>
                    <fixVersion>2.1.1</fixVersion>
                                    <component>Build</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="101605" author="auto" created="Thu, 22 Mar 2012 20:33:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;andy10gen&apos;, u&apos;email&apos;: u&apos;schwerin@10gen.com&apos;, u&apos;name&apos;: u&apos;Andy Schwerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5140&quot; title=&quot;SConstruct new smoke_python_name() hangs compilation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5140&quot;&gt;&lt;del&gt;SERVER-5140&lt;/del&gt;&lt;/a&gt;: Short-circuit smoke_python_name() if the running python interpreter is new enough.&lt;/p&gt;

&lt;p&gt;This version is for the master branch.&lt;/p&gt;

&lt;p&gt;There&apos;s no reason to search for another version of the python interpreter if the&lt;br/&gt;
running version is at least the minimum supported version, and this stops a build&lt;br/&gt;
hang.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/245468533a48c850d7d894950b047d9252707629&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/245468533a48c850d7d894950b047d9252707629&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="100734" author="auto" created="Tue, 20 Mar 2012 19:09:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;andy10gen&apos;, u&apos;name&apos;: u&apos;Andy Schwerin&apos;, u&apos;email&apos;: u&apos;schwerin@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5140&quot; title=&quot;SConstruct new smoke_python_name() hangs compilation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5140&quot;&gt;&lt;del&gt;SERVER-5140&lt;/del&gt;&lt;/a&gt;: Short-circuit smoke_python_name() if the running python interpreter is new enough.&lt;/p&gt;

&lt;p&gt;There&apos;s no reason to search for another version of the python interpreter if the running version&lt;br/&gt;
is at least the minimum supported version, and this stops a build hang.&lt;br/&gt;
Branch: v2.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bb76d2d736570a975ff4f609cae899e11d04eb9e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bb76d2d736570a975ff4f609cae899e11d04eb9e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="100653" author="ultrabug" created="Tue, 20 Mar 2012 17:08:33 +0000"  >&lt;p&gt;I will package 2.0.4 for Gentoo Linux using your patch until the next release, so yes I&apos;m unstuck for now. Thanks mate.&lt;/p&gt;</comment>
                            <comment id="100623" author="schwerin" created="Tue, 20 Mar 2012 15:56:49 +0000"  >&lt;p&gt;Great.  We&apos;ll get that into an upcoming 2.0 drop, and an equivalent into the next 2.1 drop.  I&apos;d been meaning to do it, anyways.  Are you unstuck, for the time being?&lt;/p&gt;</comment>
                            <comment id="100618" author="ultrabug" created="Tue, 20 Mar 2012 15:49:17 +0000"  >&lt;p&gt;@Andy : yes it works with your patch.&lt;/p&gt;</comment>
                            <comment id="100606" author="schwerin" created="Tue, 20 Mar 2012 15:36:49 +0000"  >&lt;p&gt;Can you try applying this patch, which should short-circuit the whole process in the event that you&apos;re running python2.5 or later:&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;diff --git a/buildscripts/utils.py b/buildscripts/utils.py&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;index 91409c7..bde2b08 100644&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;--- a/buildscripts/utils.py&lt;/span&gt;&lt;/pre&gt;
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		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+++ b/buildscripts/utils.py&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;@@ -3,6 +3,8 @@ import re&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; import socket&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; import time&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; import os&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+import sys&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; # various utilities that are handy&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; &lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; def getAllSourceFiles( arr=None , prefix=&quot;.&quot; ):&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;@@ -139,6 +141,14 @@ def smoke_python_name():&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     # then we assume that &quot;python&quot; points to a 2.5 or&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     # greater python VM. otherwise, explicitly use 2.5&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     # which we assume to be installed.&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+    min_version_tuple = (2, 5)&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+    try:&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+        if sys.version_info &amp;gt;= min_version_tuple:&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+            return sys.executable&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+    except AttributeError:&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+        # In case the version of Python is somehow missing sys.version_info or sys.executable.&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+        pass&lt;/span&gt;&lt;/pre&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     import subprocess&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     version = re.compile(r&apos;[Pp]ython ([\d\.]+)&apos;, re.MULTILINE)&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     binaries = [&apos;python2.5&apos;, &apos;python2.6&apos;, &apos;python2.7&apos;, &apos;python25&apos;, &apos;python26&apos;, &apos;python27&apos;, &apos;python&apos;]&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;@@ -150,7 +160,7 @@ def smoke_python_name():&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                 match = version.search(stream)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                 if match:&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                     versiontuple = tuple(map(int, match.group(1).split(&apos;.&apos;)))&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;-                    if versiontuple &amp;gt;= (2, 5):&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;+                    if versiontuple &amp;gt;= min_version_tuple:&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;                         return binary&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;         except:&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;             pass&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</comment>
                            <comment id="100537" author="ultrabug" created="Tue, 20 Mar 2012 13:33:41 +0000"  >&lt;p&gt;Hi, I&apos;m sorry to say that the problem is still there in 2.0.4 even with your previous commit. It hangs on the second iteration still.&lt;/p&gt;

&lt;p&gt;Checking for C library pcap... yes&lt;br/&gt;
python2.5&lt;br/&gt;
exception &lt;span class=&quot;error&quot;&gt;&amp;#91;Errno 2&amp;#93;&lt;/span&gt; No such file or directory&lt;br/&gt;
python2.6&lt;/p&gt;

&lt;p&gt;(hangs)&lt;/p&gt;</comment>
                            <comment id="94372" author="auto" created="Thu, 1 Mar 2012 22:39:16 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;dcrosta&apos;, u&apos;name&apos;: u&apos;Dan Crosta&apos;, u&apos;email&apos;: u&apos;dcrosta@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-5140&quot; title=&quot;SConstruct new smoke_python_name() hangs compilation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-5140&quot;&gt;&lt;del&gt;SERVER-5140&lt;/del&gt;&lt;/a&gt;: avoid a bug in SCons with subprocess.Popen&lt;/p&gt;

&lt;p&gt;SCons overrides the subprocess module with its own custom implementation&lt;br/&gt;
(forked from an earlier version of Python, but with some patches).&lt;br/&gt;
SCons&apos; implementation acquires a lock but does not release it during&lt;br/&gt;
Popen() if the command being executed cannot be found. The next&lt;br/&gt;
invocation of Popen() will hang indefinitely attempting to acquire the&lt;br/&gt;
lock.&lt;/p&gt;

&lt;p&gt;Moving smoke_python_name() to a python module (i.e. out of the&lt;br/&gt;
SCons-managed files) causes &quot;import subprocess&quot; to find the actual,&lt;br/&gt;
system-installed subprocess module, which does not contain the buggy&lt;br/&gt;
locking.&lt;br/&gt;
Branch: v2.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c5463305226dfb8f42eb5235ac381442006b29dd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c5463305226dfb8f42eb5235ac381442006b29dd&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="94061" author="ultrabug" created="Thu, 1 Mar 2012 09:03:27 +0000"  >&lt;p&gt;This is exactly how I debugged this to make the patch Dan. Here is the modified function and its output from the unpatched SConstruct.&lt;/p&gt;

&lt;p&gt;FYI, I also tried to swap the order of python2.5 and python2.6 in the binaries list with the same result.&lt;/p&gt;</comment>
                            <comment id="93843" author="dcrosta" created="Wed, 29 Feb 2012 18:21:54 +0000"  >&lt;p&gt;Can you add some debugging into the SConstruct (the original, un-patched) version to see where it&apos;s getting stopped? I&apos;d be curious, especially, to see information about what&apos;s doing inside the smoke_python_name loop (e.g. &quot;print &apos;about to try %s&apos; % binary&quot;, &quot;print &apos;got exception %s when trying %s&apos; % (e, binary)&quot;, stuff like that). If we can narrow down the problem, then we can be more confident in any patch we apply.&lt;/p&gt;</comment>
                            <comment id="93767" author="ultrabug" created="Wed, 29 Feb 2012 15:24:30 +0000"  >&lt;p&gt;As per the attached build log, the last &quot;print&quot; I get is the detection of pcap of the checkLib, I add to go through debugging the SConstruct to narrow the problem in the smoke_python_name() function. That&apos;s where it hangs forever :&lt;/p&gt;

&lt;p&gt;out, err = subprocess.Popen(&lt;span class=&quot;error&quot;&gt;&amp;#91;binary, &amp;#39;-V&amp;#39;&amp;#93;&lt;/span&gt;, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()&lt;/p&gt;

&lt;p&gt;EDIT: yes, I expected the except to catch it too but it seems that it only does at the first iteration, once going through the second binary it just hangs there.&lt;/p&gt;

&lt;p&gt;My python versions :&lt;br/&gt;
ls -l /usr/bin/python*&lt;br/&gt;
lrwxrwxrwx 1 root root    14  7 nov.  12:00 /usr/bin/python -&amp;gt; python-wrapper&lt;br/&gt;
lrwxrwxrwx 1 root root     9  7 nov.  12:00 /usr/bin/python2 -&amp;gt; python2.7&lt;br/&gt;
-rwxr-xr-x 1 root root  6104  7 nov.  14:18 /usr/bin/python2.7&lt;br/&gt;
lrwxrwxrwx 1 root root     9 20 f&#233;vr. 10:48 /usr/bin/python3 -&amp;gt; python3.2&lt;br/&gt;
-rwxr-xr-x 1 root root 10256  7 nov.  14:17 /usr/bin/python3.2&lt;br/&gt;
-rwxr-xr-x 1 root root   217  3 nov.  05:45 /usr/bin/python-config&lt;br/&gt;
-rwxr-xr-x 1 root root  1400  7 nov.  14:18 /usr/bin/python-config-2.7&lt;br/&gt;
-rwxr-xr-x 1 root root  1601  7 nov.  14:17 /usr/bin/python-config-3.2&lt;br/&gt;
-rwxr-xr-x 1 root root 10320 10 nov.  09:40 /usr/bin/python-wrapper&lt;/p&gt;</comment>
                            <comment id="93764" author="ultrabug" created="Wed, 29 Feb 2012 15:22:05 +0000"  >&lt;p&gt;build log&lt;/p&gt;</comment>
                            <comment id="93751" author="dcrosta" created="Wed, 29 Feb 2012 14:55:08 +0000"  >&lt;p&gt;Can you characterize what is hanging when it tries to execute the binary? If no such binary exists anywhere on the PATH, then the call to subprocess.Popen() should return essentially instantly. If this is not the case, I&apos;d be curious to find out why (is there another executable shadowing one of the python executable names we look for?)&lt;/p&gt;</comment>
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                            <attachment id="15081" name="build.log" size="1692" author="ultrabug" created="Wed, 29 Feb 2012 15:22:05 +0000"/>
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