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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="generator" content="Asciidoctor 2.0.20">
<title>Ccache news</title>
<style>
@import url(https://fonts.googleapis.com/css?family=Montserrat|Open+Sans);
@import url(https://cdn.jsdelivr.net/gh/asciidoctor/asciidoctor@2.0/data/stylesheets/asciidoctor-default.css); /* Default asciidoc style framework - important */
:root{
--maincolor:#ffffff;
--primarycolor:#294172;
--secondarycolor:#5f646c;
--tertiarycolor:#cccccc;
--highlightcolor:#f5f5f5;
--sidebarbackground:#f5f5f5;
--linkcolor:#02a;
--linkcoloralternate:#db3279;
--white:#ffffff;
--black:#000000;
}
/* Text styles */
body{font-family: "Open Sans", sans-serif;background-color: var(--maincolor);color:var(--black);}
h1{color:var(--primarycolor) !important;font-family:"Montserrat",sans-serif;}
h2,h3,h4,h5,h6{color:var(--secondarycolor) !important;font-family:"Montserrat",sans-serif;}
.title{color:var(--black) !important;font-family:"Open Sans",sans-serif;font-style: normal; font-weight: normal;}
a{text-decoration: none;}
a:hover{color: #3958da; text-decoration: underline;}
p{font-family: "Open Sans",sans-serif ! important}
#toc.toc2 a:link{color:var(--linkcolor);}
blockquote{color:var(--linkcoloralternate) !important}
.quoteblock blockquote:before{color:var(--linkcoloralternate)}
code{color:var(--black);background-color: var(--highlightcolor) !important}
mark{background-color: var(--highlightcolor)} /* Text highlighting color */
/* Table styles */
th{background-color: var(--maincolor);color:var(--black) !important;}
td{background-color: var(--maincolor);color: var(--black) !important}
#toc.toc2{background-color:var(--sidebarbackground);}
#toctitle{color:var(--black);}
/* Responsiveness fixes */
video {
max-width: 100%;
}
@media all and (max-width: 600px) {
table {
width: 55vw!important;
font-size: 3vw;
}
</style>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
</head>
<body class="article toc2 toc-left">
<div id="header">
<h1>Ccache news</h1>
<div class="details">
<span id="revnumber">version 4.13.6</span>
</div>
<div id="toc" class="toc2">
<div id="toctitle">Table of Contents</div>
<ul class="sectlevel1">
<li><a href="#_ccache_4_13_6">Ccache 4.13.6</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_and_improvements">Bug fixes and improvements</a></li>
<li><a href="#_test_improvements">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_13_5">Ccache 4.13.5</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_and_improvements_2">Bug fixes and improvements</a></li>
<li><a href="#_build_improvements">Build improvements</a></li>
<li><a href="#_documentation_improvements">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_13_4">Ccache 4.13.4</a>
<ul class="sectlevel2">
<li><a href="#_new_deliverables">New deliverables</a></li>
</ul>
</li>
<li><a href="#_ccache_4_13_3">Ccache 4.13.3</a>
<ul class="sectlevel2">
<li><a href="#_new_deliverables_2">New deliverables</a></li>
<li><a href="#_bug_fixes_and_improvements_3">Bug fixes and improvements</a></li>
<li><a href="#_build_improvements_2">Build improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_13_2">Ccache 4.13.2</a>
<ul class="sectlevel2">
<li><a href="#_new_deliverables_3">New deliverables</a></li>
<li><a href="#_bug_fixes_and_improvements_4">Bug fixes and improvements</a></li>
<li><a href="#_test_improvements_2">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_13_1">Ccache 4.13.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_and_improvements_5">Bug fixes and improvements</a></li>
<li><a href="#_build_fixes">Build fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_4_13">Ccache 4.13</a>
<ul class="sectlevel2">
<li><a href="#_upgrade_notes">Upgrade notes</a></li>
<li><a href="#_new_deliverables_4">New deliverables</a></li>
<li><a href="#_removed_deliverables">Removed deliverables</a></li>
<li><a href="#_new_features_and_improvements">New features and improvements</a></li>
<li><a href="#_bug_fixes">Bug fixes</a></li>
<li><a href="#_build_improvements_3">Build improvements</a></li>
<li><a href="#_documentation_improvements_2">Documentation improvements</a></li>
<li><a href="#_test_improvements_3">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_12_3">Ccache 4.12.3</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_2">Bug fixes</a></li>
<li><a href="#_documentation_improvements_3">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_12_2">Ccache 4.12.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_3">Bug fixes</a></li>
<li><a href="#_build_fixes_2">Build fixes</a></li>
<li><a href="#_test_improvements_4">Test improvements</a></li>
<li><a href="#_documentation_improvements_4">Documentation improvements</a></li>
<li><a href="#_other">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_4_12_1">Ccache 4.12.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_4">Bug fixes</a></li>
<li><a href="#_build_fixes_3">Build fixes</a></li>
<li><a href="#_other_2">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_4_12">Ccache 4.12</a>
<ul class="sectlevel2">
<li><a href="#_upgrade_notes_2">Upgrade notes</a></li>
<li><a href="#_new_deliverables_5">New deliverables</a></li>
<li><a href="#_new_features_and_improvements_2">New features and improvements</a></li>
<li><a href="#_removed_features">Removed features</a></li>
<li><a href="#_bug_fixes_5">Bug fixes</a></li>
<li><a href="#_build_improvements_4">Build improvements</a></li>
<li><a href="#_test_improvements_5">Test improvements</a></li>
<li><a href="#_documentation_improvements_5">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_11_3">Ccache 4.11.3</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_6">Bug fixes</a></li>
<li><a href="#_build_improvements_5">Build improvements</a></li>
<li><a href="#_test_improvements_6">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_11_2">Ccache 4.11.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_7">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_4_11_1">Ccache 4.11.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_8">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_4_11">Ccache 4.11</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_improvements_3">New features and improvements</a></li>
<li><a href="#_bug_fixes_9">Bug fixes</a></li>
<li><a href="#_build_improvements_6">Build improvements</a></li>
<li><a href="#_test_improvements_7">Test improvements</a></li>
<li><a href="#_documentation_improvements_6">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_10_2">Ccache 4.10.2</a>
<ul class="sectlevel2">
<li><a href="#_build_improvements_7">Build improvements</a></li>
<li><a href="#_test_improvements_8">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_10_1">Ccache 4.10.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_10">Bug fixes</a></li>
<li><a href="#_build_improvements_8">Build improvements</a></li>
<li><a href="#_documentation_improvements_7">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_10">Ccache 4.10</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_improvements_4">New features and improvements</a></li>
<li><a href="#_bug_fixes_11">Bug fixes</a></li>
<li><a href="#_build_improvements_9">Build improvements</a></li>
<li><a href="#_documentation_improvements_8">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_9_1">Ccache 4.9.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_12">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_4_9">Ccache 4.9</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_improvements_5">New features and improvements</a></li>
<li><a href="#_bug_fixes_13">Bug fixes</a></li>
<li><a href="#_build_improvements_10">Build improvements</a></li>
<li><a href="#_documentation_improvements_9">Documentation improvements</a></li>
<li><a href="#_test_improvements_9">Test improvements</a></li>
<li><a href="#_other_improvements">Other improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_8_3">Ccache 4.8.3</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_14">Bug fixes</a></li>
<li><a href="#_build_improvements_11">Build improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_8_2">Ccache 4.8.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_15">Bug fixes</a></li>
<li><a href="#_build_improvements_12">Build improvements</a></li>
<li><a href="#_documentation_improvements_10">Documentation improvements</a></li>
<li><a href="#_test_improvements_10">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_8_1">Ccache 4.8.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_16">Bug fixes</a></li>
<li><a href="#_buildci_improvements">Build/CI improvements</a></li>
<li><a href="#_documentation_improvements_11">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_8">Ccache 4.8</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_improvements_6">New features and improvements</a></li>
<li><a href="#_buildci_improvements_2">Build/CI improvements</a></li>
<li><a href="#_bug_fixes_17">Bug fixes</a></li>
<li><a href="#_documentation_improvements_12">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_7_5">Ccache 4.7.5</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_18">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_4_7_4">Ccache 4.7.4</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_19">Bug fixes</a></li>
<li><a href="#_other_minor_improvements">Other minor improvements</a></li>
<li><a href="#_documentation_improvements_13">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_7_3">Ccache 4.7.3</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_improvements_7">New features and improvements</a></li>
<li><a href="#_bug_fixes_20">Bug fixes</a></li>
<li><a href="#_other_minor_improvements_2">Other minor improvements</a></li>
<li><a href="#_documentation_improvements_14">Documentation improvements</a></li>
<li><a href="#_test_improvements_11">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_7_2">Ccache 4.7.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_21">Bug fixes</a></li>
<li><a href="#_build_improvements_13">Build improvements</a></li>
<li><a href="#_test_improvements_12">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_7_1">Ccache 4.7.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_22">Bug fixes</a></li>
<li><a href="#_build_improvements_14">Build improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_7">Ccache 4.7</a>
<ul class="sectlevel2">
<li><a href="#_compatibility_notes">Compatibility notes</a></li>
<li><a href="#_changed_tooling">Changed tooling</a></li>
<li><a href="#_new_and_improved_features">New and improved features</a></li>
<li><a href="#_removed_features_2">Removed features</a></li>
<li><a href="#_bug_fixes_23">Bug fixes</a></li>
<li><a href="#_build_improvements_15">Build improvements</a></li>
<li><a href="#_test_improvements_13">Test improvements</a></li>
<li><a href="#_documentation_improvements_15">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_6_3">Ccache 4.6.3</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_24">Bug fixes</a></li>
<li><a href="#_build_improvements_16">Build improvements</a></li>
<li><a href="#_test_improvements_14">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_6_2">Ccache 4.6.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_25">Bug fixes</a></li>
<li><a href="#_build_improvements_17">Build improvements</a></li>
<li><a href="#_test_improvements_15">Test improvements</a></li>
<li><a href="#_documentation_improvements_16">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_6_1">Ccache 4.6.1</a>
<ul class="sectlevel2">
<li><a href="#_new_features">New features</a></li>
<li><a href="#_bug_fixes_26">Bug fixes</a></li>
<li><a href="#_build_improvements_18">Build improvements</a></li>
<li><a href="#_test_improvements_16">Test improvements</a></li>
<li><a href="#_documentation_improvements_17">Documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_6">Ccache 4.6</a>
<ul class="sectlevel2">
<li><a href="#_new_features_2">New features</a></li>
<li><a href="#_bug_fixes_27">Bug fixes</a></li>
<li><a href="#_documentation_improvements_18">Documentation improvements</a></li>
<li><a href="#_test_improvements_17">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_5_1">Ccache 4.5.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_28">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_4_5">Ccache 4.5</a>
<ul class="sectlevel2">
<li><a href="#_new_features_3">New features</a></li>
<li><a href="#_compatibility_notes_2">Compatibility notes</a></li>
<li><a href="#_bug_fixes_29">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_4_4_2">Ccache 4.4.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_30">Bug fixes</a></li>
<li><a href="#_test_improvements_18">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_4_1">Ccache 4.4.1</a>
<ul class="sectlevel2">
<li><a href="#_new_features_4">New features</a></li>
<li><a href="#_bug_fixes_31">Bug fixes</a></li>
<li><a href="#_build_improvements_19">Build improvements</a></li>
<li><a href="#_test_improvements_19">Test improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_4">Ccache 4.4</a>
<ul class="sectlevel2">
<li><a href="#_new_features_5">New features</a></li>
<li><a href="#_bug_fixes_32">Bug fixes</a></li>
<li><a href="#_changed_tooling_2">Changed tooling</a></li>
<li><a href="#_buildtestdocumentation_improvements">Build/test/documentation improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_3">Ccache 4.3</a>
<ul class="sectlevel2">
<li><a href="#_new_features_6">New features</a></li>
<li><a href="#_bug_fixes_33">Bug fixes</a></li>
<li><a href="#_build_improvements_20">Build improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_4_2_1">Ccache 4.2.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_34">Bug fixes</a></li>
<li><a href="#_portability_and_build_improvements">Portability and build improvements</a></li>
<li><a href="#_documentation">Documentation</a></li>
</ul>
</li>
<li><a href="#_ccache_4_2">Ccache 4.2</a>
<ul class="sectlevel2">
<li><a href="#_new_features_7">New features</a></li>
<li><a href="#_bug_fixes_35">Bug fixes</a></li>
<li><a href="#_portability_and_build_improvements_2">Portability and build improvements</a></li>
<li><a href="#_documentation_2">Documentation</a></li>
</ul>
</li>
<li><a href="#_ccache_4_1">Ccache 4.1</a>
<ul class="sectlevel2">
<li><a href="#_new_features_8">New features</a></li>
<li><a href="#_bug_fixes_36">Bug fixes</a></li>
<li><a href="#_portability_and_build_fixes">Portability and build fixes</a></li>
<li><a href="#_other_improvements_and_fixes">Other improvements and fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_4_0">Ccache 4.0</a>
<ul class="sectlevel2">
<li><a href="#_summary_of_major_changes">Summary of major changes</a></li>
<li><a href="#_compatibility_notes_3">Compatibility notes</a></li>
<li><a href="#_changed_tooling_3">Changed tooling</a></li>
<li><a href="#_detailed_functional_changes">Detailed functional changes</a></li>
<li><a href="#_other_improvements_2">Other improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_12">Ccache 3.7.12</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_37">Bug fixes</a></li>
<li><a href="#_other_3">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_11">Ccache 3.7.11</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_38">Bug fixes</a></li>
<li><a href="#_other_4">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_10">Ccache 3.7.10</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_39">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_9">Ccache 3.7.9</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_40">Bug fixes</a></li>
<li><a href="#_other_5">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_8">Ccache 3.7.8</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_41">Bug fixes</a></li>
<li><a href="#_other_6">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_7">Ccache 3.7.7</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_42">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_6">Ccache 3.7.6</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_43">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_5">Ccache 3.7.5</a>
<ul class="sectlevel2">
<li><a href="#_new_features_9">New features</a></li>
<li><a href="#_bug_fixes_44">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_4">Ccache 3.7.4</a>
<ul class="sectlevel2">
<li><a href="#_improvements">Improvements</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_3">Ccache 3.7.3</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_45">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_2">Ccache 3.7.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_46">Bug fixes</a></li>
<li><a href="#_documentation_3">Documentation</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7_1">Ccache 3.7.1</a>
<ul class="sectlevel2">
<li><a href="#_changes">Changes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_7">Ccache 3.7</a>
<ul class="sectlevel2">
<li><a href="#_changes_2">Changes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_6">Ccache 3.6</a>
<ul class="sectlevel2">
<li><a href="#_changes_3">Changes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_5_1">Ccache 3.5.1</a>
<ul class="sectlevel2">
<li><a href="#_changes_4">Changes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_5">Ccache 3.5</a>
<ul class="sectlevel2">
<li><a href="#_changes_5">Changes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_4_3">Ccache 3.4.3</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_47">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_4_2">Ccache 3.4.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_48">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_4_1">Ccache 3.4.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_49">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_4">Ccache 3.4</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements">New features and enhancements</a></li>
<li><a href="#_bug_fixes_50">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_3_6">Ccache 3.3.6</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_2">New features and enhancements</a></li>
<li><a href="#_bug_fixes_51">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_3_5">Ccache 3.3.5</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_3">New features and enhancements</a></li>
<li><a href="#_bug_fixes_52">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_3_4">Ccache 3.3.4</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_4">New features and enhancements</a></li>
<li><a href="#_bug_fixes_53">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_3_3">Ccache 3.3.3</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_54">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_3_2">Ccache 3.3.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_55">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_3_1">Ccache 3.3.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_56">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_3">Ccache 3.3</a>
<ul class="sectlevel2">
<li><a href="#_notes">Notes</a></li>
<li><a href="#_new_features_and_enhancements_5">New features and enhancements</a></li>
<li><a href="#_bug_fixes_57">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_9">Ccache 3.2.9</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_58">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_8">Ccache 3.2.8</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_59">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_7">Ccache 3.2.7</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_60">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_6">Ccache 3.2.6</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_61">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_5">Ccache 3.2.5</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_6">New features and enhancements</a></li>
<li><a href="#_bug_fixes_62">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_4">Ccache 3.2.4</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_63">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_3">Ccache 3.2.3</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_7">New features and enhancements</a></li>
<li><a href="#_bug_fixes_64">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_2">Ccache 3.2.2</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_8">New features and enhancements</a></li>
<li><a href="#_bug_fixes_65">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2_1">Ccache 3.2.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_66">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_2">Ccache 3.2</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_9">New features and enhancements</a></li>
<li><a href="#_bug_fixes_67">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_12">Ccache 3.1.12</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_68">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_11">Ccache 3.1.11</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_69">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_10">Ccache 3.1.10</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_10">New features and enhancements</a></li>
<li><a href="#_bug_fixes_70">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_9">Ccache 3.1.9</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_71">Bug fixes</a></li>
<li><a href="#_other_7">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_8">Ccache 3.1.8</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_11">New features and enhancements</a></li>
<li><a href="#_bug_fixes_72">Bug fixes</a></li>
<li><a href="#_other_8">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_7">Ccache 3.1.7</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_73">Bug fixes</a></li>
<li><a href="#_other_9">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_6">Ccache 3.1.6</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_12">New features and enhancements</a></li>
<li><a href="#_bug_fixes_74">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_5">Ccache 3.1.5</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_13">New features and enhancements</a></li>
<li><a href="#_bug_fixes_75">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_4">Ccache 3.1.4</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_76">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_3">Ccache 3.1.3</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_77">Bug fixes</a></li>
<li><a href="#_other_10">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_2">Ccache 3.1.2</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_78">Bug fixes</a></li>
<li><a href="#_other_11">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1_1">Ccache 3.1.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_79">Bug fixes</a></li>
<li><a href="#_other_12">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_1">Ccache 3.1</a>
<ul class="sectlevel2">
<li><a href="#_new_features_and_enhancements_14">New features and enhancements</a></li>
<li><a href="#_bug_fixes_80">Bug fixes</a></li>
<li><a href="#_other_13">Other</a></li>
</ul>
</li>
<li><a href="#_ccache_3_0_1">Ccache 3.0.1</a>
<ul class="sectlevel2">
<li><a href="#_bug_fixes_81">Bug fixes</a></li>
</ul>
</li>
<li><a href="#_ccache_3_0">Ccache 3.0</a>
<ul class="sectlevel2">
<li><a href="#_general">General</a></li>
<li><a href="#_upgrade_notes_3">Upgrade notes</a></li>
<li><a href="#_new_features_and_enhancements_15">New features and enhancements</a></li>
<li><a href="#_bug_fixes_82">Bug fixes</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_ccache_4_13_6"><a class="anchor" href="#_ccache_4_13_6"></a>Ccache 4.13.6</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Release date: 2026-05-04</p>
</div>
<div class="sect2">
<h3 id="_bug_fixes_and_improvements"><a class="anchor" href="#_bug_fixes_and_improvements"></a>Bug fixes and improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Fixed a potential manifest/result cache key collision in MSVC depend mode when
compiling a source file with no included files.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Improved robustness when parsing cache entry data structures.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
<div class="sect2">
<h3 id="_test_improvements"><a class="anchor" href="#_test_improvements"></a>Test improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Changed the <code>remote_helper</code> test suite to skip gracefully when the storage
test helper is unavailable, avoiding failures when testing a system-installed
ccache.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_ccache_4_13_5"><a class="anchor" href="#_ccache_4_13_5"></a>Ccache 4.13.5</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Release date: 2026-04-26</p>
</div>
<div class="sect2">
<h3 id="_bug_fixes_and_improvements_2"><a class="anchor" href="#_bug_fixes_and_improvements_2"></a>Bug fixes and improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Increased default storage helper data and request timeouts to 10 seconds and 1
minute respectively, improving robustness on heavily loaded systems.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Improved robustness when connecting to newly spawned storage helpers by
waiting longer for them to accept connections.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Synchronized writing to the stats log file.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Added logging of the PID of spawned storage helpers on Windows too.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
<div class="sect2">
<h3 id="_build_improvements"><a class="anchor" href="#_build_improvements"></a>Build improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Added include guards to bundled CMake find modules, avoiding problems when
they are included multiple times.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
<div class="sect2">
<h3 id="_documentation_improvements"><a class="anchor" href="#_documentation_improvements"></a>Documentation improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Moved the description of timeout suffixes to the correct place in the
documentation.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_ccache_4_13_4"><a class="anchor" href="#_ccache_4_13_4"></a>Ccache 4.13.4</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Release date: 2026-04-19</p>
</div>
<div class="sect2">
<h3 id="_new_deliverables"><a class="anchor" href="#_new_deliverables"></a>New deliverables</h3>
<div class="ulist">
<ul>
<li>
<p>Added musl static binary release for Linux riscv64.<br>
<span class="small"><em>[contributed by Ludovic Henry]</em></span></p>
</li>
</ul>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_ccache_4_13_3"><a class="anchor" href="#_ccache_4_13_3"></a>Ccache 4.13.3</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Release date: 2026-04-12</p>
</div>
<div class="sect2">
<h3 id="_new_deliverables_2"><a class="anchor" href="#_new_deliverables_2"></a>New deliverables</h3>
<div class="ulist">
<ul>
<li>
<p>Added glibc binary release for Linux riscv64.<br>
<span class="small"><em>[contributed by Ludovic Henry]</em></span></p>
</li>
</ul>
</div>
</div>
<div class="sect2">
<h3 id="_bug_fixes_and_improvements_3"><a class="anchor" href="#_bug_fixes_and_improvements_3"></a>Bug fixes and improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Fixed handling of empty responses from remote storage backends: a response
with an empty body is now treated as a storage error rather than a cache
miss.<br>
<span class="small"><em>[contributed by Björn Svensson]</em></span></p>
</li>
<li>
<p>Fixed PCH invalidation when the MSVC toolset is updated.<br>
<span class="small"><em>[contributed by Philipp Kolberg]</em></span></p>
</li>
<li>
<p>Fixed <code>base_dir</code> path rewriting when using MSVC’s <code>/Yc</code> option: paths are no
longer rewritten to relative when creating a precompiled header, since MSVC
then does not like relative paths for the <code>/Yc</code> and <code>/FI</code> arguments.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Fixed handling of a directory-less path to the MSVC <code>/FI</code> option.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Added support for <code>-fsanitize-ignorelist</code> (which replaced
<code>-fsanitize-blacklist</code> in Clang 13).<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Fixed detection of type for compiler with <code>.</code> in the name (e.g.
<code>hppa2.0-unknown-linux-gnu-gcc</code>).<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Fixed <code>install.sh</code> to correctly use <code>sysconfdir</code> and other configuration
variables from the Makefile.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
<div class="sect2">
<h3 id="_build_improvements_2"><a class="anchor" href="#_build_improvements_2"></a>Build improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Changed <code>cmake/FindCppHttplib.cmake</code> to use settings from the system’s CMake
config if available, supporting systems where cpp-httplib is not provided as a
header-only library.<br>
<span class="small"><em>[contributed by Jiri Slaby]</em></span></p>
</li>
</ul>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_ccache_4_13_2"><a class="anchor" href="#_ccache_4_13_2"></a>Ccache 4.13.2</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Release date: 2026-03-22</p>
</div>
<div class="sect2">
<h3 id="_new_deliverables_3"><a class="anchor" href="#_new_deliverables_3"></a>New deliverables</h3>
<div class="ulist">
<ul>
<li>
<p>Added <code>tar.gz</code> archives for Linux binary releases.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Added installation script for Linux binary releases.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
<div class="sect2">
<h3 id="_bug_fixes_and_improvements_4"><a class="anchor" href="#_bug_fixes_and_improvements_4"></a>Bug fixes and improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Fixed LTO handling when <code>-fno-lto</code> follows <code>-flto</code>: LTO is now properly
disabled in this case.<br>
<span class="small"><em>[contributed by Kristian Sloth Lauszus]</em></span></p>
</li>
<li>
<p>Fixed crash when using MSVC <code>/Yc</code> without <code>/Fp</code>.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Fixed rewriting of MSVC <code>/FI</code> argument to a relative path when <code>base_dir</code> is
set.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Improved robustness when parsing broken cache entry files.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Fixed atime/mtime restoration when recompressing a file.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
<div class="sect2">
<h3 id="_test_improvements_2"><a class="anchor" href="#_test_improvements_2"></a>Test improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Fixed test failures for <code>remote_helper</code> tests when <code>$PWD</code> is long.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Improved robustness of <code>remote_helper</code> tests on slow systems.<br>
<span class="small"><em>[contributed by Maksym Sobolyev]</em></span></p>
</li>
<li>
<p>Relaxed <code>util::exec_to_string</code> unit test for portability.<br>
<span class="small"><em>[contributed by Maksym Sobolyev]</em></span></p>
</li>
<li>
<p>Removed unnecessary, compiler-specific checks in <code>-flto</code> tests.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
</ul>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_ccache_4_13_1"><a class="anchor" href="#_ccache_4_13_1"></a>Ccache 4.13.1</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Release date: 2026-03-09</p>
</div>
<div class="sect2">
<h3 id="_bug_fixes_and_improvements_5"><a class="anchor" href="#_bug_fixes_and_improvements_5"></a>Bug fixes and improvements</h3>
<div class="ulist">
<ul>
<li>
<p>Fixed handling of extensionless input files passed with <code>-x assembler</code>
(regression in 4.13).<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Fixed a crash when searching for a storage helper next to the ccache
executable.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Fixed atime restoration when the recompressor fails to read a file.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Improved storage helper lookup order to prefer libexec directories over
<code>PATH</code>.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Improved reliability of finding the ccache executable path by using
OS-specific APIs instead of relying on <code>argv[0]</code>, which is not guaranteed to
reflect the actual executable location.<br>
<span class="small"><em>[contributed by Joel Rosdahl]</em></span></p>
</li>
<li>
<p>Improved handling of <code>-fstack-usage</code> and <code>-fcallgraph-info</code> output files when
LTO is used: ccache now correctly skips looking for <code>.su</code> and <code>.ci</code> files that
are not generated during compilation with LTO.<br>
<span class="small"><em>[contributed by Kristian Sloth Lauszus]</em></span></p>
</li>
</ul>
</div>
</div>
<div class="sect2">