1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
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2 "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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3 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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5 <meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />
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6 <meta name="generator" content="AsciiDoc 8.6.9" />
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7 <title>ccache news</title>
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8 <style type="text/css">
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9 /* Shared CSS for AsciiDoc xhtml11 and html5 backends */
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13 font-family: Georgia,serif;
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17 h1, h2, h3, h4, h5, h6,
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18 div.title, caption.title,
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19 thead, p.table.header,
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21 #author, #revnumber, #revdate, #revremark,
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23 font-family: Arial,Helvetica,sans-serif;
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27 margin: 1em 5% 1em 5%;
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32 text-decoration: underline;
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48 h1, h2, h3, h4, h5, h6 {
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51 margin-bottom: 0.5em;
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56 border-bottom: 2px solid silver;
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76 border: 1px solid silver;
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81 margin-bottom: 0.5em;
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87 ul > li { color: #aaa; }
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88 ul > li > * { color: black; }
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90 .monospaced, code, pre {
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91 font-family: "Courier New", Courier, monospace;
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98 white-space: pre-wrap;
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108 #revnumber, #revdate, #revremark {
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113 border-top: 2px solid silver;
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114 padding-top: 0.5em;
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119 padding-bottom: 0.5em;
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123 padding-bottom: 0.5em;
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128 margin-bottom: 1.5em;
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130 div.imageblock, div.exampleblock, div.verseblock,
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131 div.quoteblock, div.literalblock, div.listingblock, div.sidebarblock,
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132 div.admonitionblock {
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134 margin-bottom: 1.5em;
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136 div.admonitionblock {
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138 margin-bottom: 2.0em;
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143 div.content { /* Block element content. */
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147 /* Block element titles. */
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148 div.title, caption.title {
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153 margin-bottom: 0.5em;
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159 td div.title:first-child {
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162 div.content div.title:first-child {
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165 div.content + div.title {
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169 div.sidebarblock > div.content {
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170 background: #ffffee;
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171 border: 1px solid #dddddd;
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172 border-left: 4px solid #f0f0f0;
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176 div.listingblock > div.content {
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177 border: 1px solid #dddddd;
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178 border-left: 5px solid #f0f0f0;
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179 background: #f8f8f8;
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183 div.quoteblock, div.verseblock {
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184 padding-left: 1.0em;
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185 margin-left: 1.0em;
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187 border-left: 5px solid #f0f0f0;
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191 div.quoteblock > div.attribution {
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192 padding-top: 0.5em;
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196 div.verseblock > pre.content {
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197 font-family: inherit;
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198 font-size: inherit;
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200 div.verseblock > div.attribution {
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201 padding-top: 0.75em;
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204 /* DEPRECATED: Pre version 8.2.7 verse style literal block. */
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205 div.verseblock + div.attribution {
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209 div.admonitionblock .icon {
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210 vertical-align: top;
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213 text-decoration: underline;
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215 padding-right: 0.5em;
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217 div.admonitionblock td.content {
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218 padding-left: 0.5em;
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219 border-left: 3px solid #dddddd;
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222 div.exampleblock > div.content {
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223 border-left: 3px solid #dddddd;
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224 padding-left: 0.5em;
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227 div.imageblock div.content { padding-left: 0; }
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228 span.image img { border-style: none; vertical-align: text-bottom; }
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229 a.image:visited { color: white; }
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233 margin-bottom: 0.8em;
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238 font-style: normal;
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241 dd > *:first-child {
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246 list-style-position: outside;
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249 list-style-type: decimal;
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252 list-style-type: lower-alpha;
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255 list-style-type: upper-alpha;
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258 list-style-type: lower-roman;
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261 list-style-type: upper-roman;
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264 div.compact ul, div.compact ol,
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265 div.compact p, div.compact p,
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266 div.compact div, div.compact div {
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268 margin-bottom: 0.1em;
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280 margin-bottom: 0.8em;
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283 padding-bottom: 15px;
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285 dt.hdlist1.strong, td.hdlist1.strong {
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289 vertical-align: top;
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290 font-style: normal;
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291 padding-right: 0.8em;
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295 vertical-align: top;
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297 div.hdlist.compact tr {
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303 background: yellow;
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306 .footnote, .footnoteref {
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310 span.footnote, span.footnoteref {
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311 vertical-align: super;
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315 margin: 20px 0 20px 0;
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316 padding: 7px 0 0 0;
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319 #footnotes div.footnote {
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325 border-top: 1px solid silver;
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334 padding-right: 0.5em;
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335 padding-bottom: 0.3em;
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336 vertical-align: top;
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338 div.colist td img {
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343 #footer-badges { display: none; }
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347 margin-bottom: 2.5em;
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355 margin-bottom: 0.1em;
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358 div.toclevel0, div.toclevel1, div.toclevel2, div.toclevel3, div.toclevel4 {
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375 span.aqua { color: aqua; }
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376 span.black { color: black; }
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377 span.blue { color: blue; }
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378 span.fuchsia { color: fuchsia; }
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379 span.gray { color: gray; }
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380 span.green { color: green; }
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381 span.lime { color: lime; }
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382 span.maroon { color: maroon; }
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383 span.navy { color: navy; }
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384 span.olive { color: olive; }
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385 span.purple { color: purple; }
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386 span.red { color: red; }
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387 span.silver { color: silver; }
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388 span.teal { color: teal; }
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389 span.white { color: white; }
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390 span.yellow { color: yellow; }
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392 span.aqua-background { background: aqua; }
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393 span.black-background { background: black; }
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394 span.blue-background { background: blue; }
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395 span.fuchsia-background { background: fuchsia; }
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396 span.gray-background { background: gray; }
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397 span.green-background { background: green; }
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398 span.lime-background { background: lime; }
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399 span.maroon-background { background: maroon; }
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400 span.navy-background { background: navy; }
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401 span.olive-background { background: olive; }
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402 span.purple-background { background: purple; }
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403 span.red-background { background: red; }
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404 span.silver-background { background: silver; }
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405 span.teal-background { background: teal; }
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406 span.white-background { background: white; }
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407 span.yellow-background { background: yellow; }
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409 span.big { font-size: 2em; }
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410 span.small { font-size: 0.6em; }
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412 span.underline { text-decoration: underline; }
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413 span.overline { text-decoration: overline; }
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414 span.line-through { text-decoration: line-through; }
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416 div.unbreakable { page-break-inside: avoid; }
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426 margin-bottom: 1.5em;
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428 div.tableblock > table {
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429 border: 3px solid #527bbd;
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431 thead, p.table.header {
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438 /* Because the table frame attribute is overriden by CSS in most browsers. */
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439 div.tableblock > table[frame="void"] {
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440 border-style: none;
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442 div.tableblock > table[frame="hsides"] {
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443 border-left-style: none;
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444 border-right-style: none;
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446 div.tableblock > table[frame="vsides"] {
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447 border-top-style: none;
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448 border-bottom-style: none;
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459 margin-bottom: 1.5em;
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461 thead, p.tableblock.header {
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470 border-spacing: 0px;
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471 border-style: solid;
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472 border-color: #527bbd;
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473 border-collapse: collapse;
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475 th.tableblock, td.tableblock {
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478 border-style: solid;
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479 border-color: #527bbd;
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482 table.tableblock.frame-topbot {
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483 border-left-style: hidden;
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484 border-right-style: hidden;
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486 table.tableblock.frame-sides {
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487 border-top-style: hidden;
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488 border-bottom-style: hidden;
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490 table.tableblock.frame-none {
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491 border-style: hidden;
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494 th.tableblock.halign-left, td.tableblock.halign-left {
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497 th.tableblock.halign-center, td.tableblock.halign-center {
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498 text-align: center;
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500 th.tableblock.halign-right, td.tableblock.halign-right {
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504 th.tableblock.valign-top, td.tableblock.valign-top {
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505 vertical-align: top;
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507 th.tableblock.valign-middle, td.tableblock.valign-middle {
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508 vertical-align: middle;
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510 th.tableblock.valign-bottom, td.tableblock.valign-bottom {
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511 vertical-align: bottom;
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521 padding-top: 0.5em;
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522 padding-bottom: 0.5em;
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523 border-top: 2px solid silver;
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524 border-bottom: 2px solid silver;
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527 border-style: none;
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529 body.manpage div.sectionbody {
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534 body.manpage div#toc { display: none; }
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539 <script type="text/javascript">
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541 var asciidoc = { // Namespace.
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543 /////////////////////////////////////////////////////////////////////
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544 // Table Of Contents generator
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545 /////////////////////////////////////////////////////////////////////
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547 /* Author: Mihai Bazon, September 2002
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548 * http://students.infoiasi.ro/~mishoo
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550 * Table Of Content generator
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553 * Feel free to use this script under the terms of the GNU General Public
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554 * License, as long as you do not remove or alter this notice.
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557 /* modified by Troy D. Hanson, September 2006. License: GPL */
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558 /* modified by Stuart Rackham, 2006, 2009. License: GPL */
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560 // toclevels = 1..4.
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561 toc: function (toclevels) {
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563 function getText(el) {
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565 for (var i = el.firstChild; i != null; i = i.nextSibling) {
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566 if (i.nodeType == 3 /* Node.TEXT_NODE */) // IE doesn't speak constants.
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568 else if (i.firstChild != null)
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569 text += getText(i);
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574 function TocEntry(el, text, toclevel) {
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577 this.toclevel = toclevel;
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580 function tocEntries(el, toclevels) {
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581 var result = new Array;
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582 var re = new RegExp('[hH]([1-'+(toclevels+1)+'])');
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583 // Function that scans the DOM tree for header elements (the DOM2
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584 // nodeIterator API would be a better technique but not supported by all
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586 var iterate = function (el) {
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587 for (var i = el.firstChild; i != null; i = i.nextSibling) {
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588 if (i.nodeType == 1 /* Node.ELEMENT_NODE */) {
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589 var mo = re.exec(i.tagName);
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590 if (mo && (i.getAttribute("class") || i.getAttribute("className")) != "float") {
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591 result[result.length] = new TocEntry(i, getText(i), mo[1]-1);
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601 var toc = document.getElementById("toc");
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606 // Delete existing TOC entries in case we're reloading the TOC.
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607 var tocEntriesToRemove = [];
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609 for (i = 0; i < toc.childNodes.length; i++) {
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610 var entry = toc.childNodes[i];
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611 if (entry.nodeName.toLowerCase() == 'div'
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612 && entry.getAttribute("class")
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613 && entry.getAttribute("class").match(/^toclevel/))
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614 tocEntriesToRemove.push(entry);
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616 for (i = 0; i < tocEntriesToRemove.length; i++) {
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617 toc.removeChild(tocEntriesToRemove[i]);
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620 // Rebuild TOC entries.
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621 var entries = tocEntries(document.getElementById("content"), toclevels);
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622 for (var i = 0; i < entries.length; ++i) {
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623 var entry = entries[i];
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624 if (entry.element.id == "")
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625 entry.element.id = "_toc_" + i;
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626 var a = document.createElement("a");
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627 a.href = "#" + entry.element.id;
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628 a.appendChild(document.createTextNode(entry.text));
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629 var div = document.createElement("div");
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630 div.appendChild(a);
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631 div.className = "toclevel" + entry.toclevel;
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632 toc.appendChild(div);
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634 if (entries.length == 0)
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635 toc.parentNode.removeChild(toc);
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639 /////////////////////////////////////////////////////////////////////
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640 // Footnotes generator
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641 /////////////////////////////////////////////////////////////////////
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643 /* Based on footnote generation code from:
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644 * http://www.brandspankingnew.net/archive/2005/07/format_footnote.html
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647 footnotes: function () {
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648 // Delete existing footnote entries in case we're reloading the footnodes.
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650 var noteholder = document.getElementById("footnotes");
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654 var entriesToRemove = [];
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655 for (i = 0; i < noteholder.childNodes.length; i++) {
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656 var entry = noteholder.childNodes[i];
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657 if (entry.nodeName.toLowerCase() == 'div' && entry.getAttribute("class") == "footnote")
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658 entriesToRemove.push(entry);
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660 for (i = 0; i < entriesToRemove.length; i++) {
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661 noteholder.removeChild(entriesToRemove[i]);
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664 // Rebuild footnote entries.
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665 var cont = document.getElementById("content");
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666 var spans = cont.getElementsByTagName("span");
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669 for (i=0; i<spans.length; i++) {
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670 if (spans[i].className == "footnote") {
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672 var note = spans[i].getAttribute("data-note");
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674 // Use [\s\S] in place of . so multi-line matches work.
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675 // Because JavaScript has no s (dotall) regex flag.
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676 note = spans[i].innerHTML.match(/\s*\[([\s\S]*)]\s*/)[1];
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677 spans[i].innerHTML =
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678 "[<a id='_footnoteref_" + n + "' href='#_footnote_" + n +
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679 "' title='View footnote' class='footnote'>" + n + "</a>]";
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680 spans[i].setAttribute("data-note", note);
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682 noteholder.innerHTML +=
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683 "<div class='footnote' id='_footnote_" + n + "'>" +
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684 "<a href='#_footnoteref_" + n + "' title='Return to text'>" +
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685 n + "</a>. " + note + "</div>";
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686 var id =spans[i].getAttribute("id");
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687 if (id != null) refs["#"+id] = n;
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691 noteholder.parentNode.removeChild(noteholder);
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693 // Process footnoterefs.
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694 for (i=0; i<spans.length; i++) {
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695 if (spans[i].className == "footnoteref") {
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696 var href = spans[i].getElementsByTagName("a")[0].getAttribute("href");
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697 href = href.match(/#.*/)[0]; // Because IE return full URL.
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699 spans[i].innerHTML =
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700 "[<a href='#_footnote_" + n +
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701 "' title='View footnote' class='footnote'>" + n + "</a>]";
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707 install: function(toclevels) {
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710 function reinstall() {
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711 asciidoc.footnotes();
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713 asciidoc.toc(toclevels);
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717 function reinstallAndRemoveTimer() {
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718 clearInterval(timerId);
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722 timerId = setInterval(reinstall, 500);
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723 if (document.addEventListener)
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724 document.addEventListener("DOMContentLoaded", reinstallAndRemoveTimer, false);
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726 window.onload = reinstallAndRemoveTimer;
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730 asciidoc.install(2);
\r
734 <body class="article">
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736 <h1>ccache news</h1>
\r
737 <span id="revnumber">version 3.2.9</span>
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739 <div id="toctitle">Table of Contents</div>
740 <noscript><p><b>JavaScript must be enabled in your browser to display the table of contents.</b></p></noscript>
744 <div id="preamble">
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745 <div class="sectionbody">
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746 <div class="paragraph"><p>ccache 3.2.9</p></div>
\r
747 <div class="listingblock">
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748 <div class="content">
\r
749 <pre><code>Release date: 2016-09-28
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754 - Fixed a regression in ccache 3.2.8: ccache could get confused when using the
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755 compiler option `-Wp,` to pass multiple options to the preprocessor,
\r
756 resulting in missing dependency files from direct mode cache hits.
\r
759 ccache 3.2.8</code></pre>
\r
761 <div class="paragraph"><p>Release date: 2016-09-07</p></div>
\r
764 <div class="sect2">
\r
765 <h3 id="_bug_fixes">Bug fixes</h3>
\r
766 <div class="ulist"><ul>
\r
769 Fixed an issue when compiler option <code>-Wp,-MT,path</code> is used instead of <code>-MT
\r
770 path</code> (and similar for <code>-MF</code>, <code>-MP</code> and <code>-MQ</code>) and <code>run_second_cpp</code>
\r
771 (<code>CCACHE_CPP2</code>) is enabled.
\r
776 ccache now understands the undocumented <code>-coverage</code> (only one dash) GCC
\r
782 <div class="sect1">
\r
783 <h2 id="_ccache_3_2_7">ccache 3.2.7</h2>
\r
784 <div class="sectionbody">
\r
785 <div class="paragraph"><p>Release date: 2016-07-20</p></div>
\r
786 <div class="sect2">
\r
787 <h3 id="_bug_fixes_2">Bug fixes</h3>
\r
788 <div class="ulist"><ul>
\r
791 Fixed a bug which could lead to false cache hits for compiler command lines
\r
792 with a missing argument to an option that takes an argument.
\r
797 ccache now knows how to work around a glitch in the output of GCC 6’s
\r
805 <div class="sect1">
\r
806 <h2 id="_ccache_3_2_6">ccache 3.2.6</h2>
\r
807 <div class="sectionbody">
\r
808 <div class="paragraph"><p>Release date: 2016-07-12</p></div>
\r
809 <div class="sect2">
\r
810 <h3 id="_bug_fixes_3">Bug fixes</h3>
\r
811 <div class="ulist"><ul>
\r
814 Fixed build problem on QNX, which lacks “SA_RESTART”.
\r
819 Bail out on compiler option <code>-fstack-usage</code> since it creates a <code>.su</code> file
\r
820 which ccache currently doesn’t handle.
\r
825 Fixed a bug where (due to ccache rewriting paths) the compiler could choose
\r
826 incorrect include files if <code>CCACHE_BASEDIR</code> is used and the source file path
\r
827 is absolute and is a symlink.
\r
834 <div class="sect1">
\r
835 <h2 id="_ccache_3_2_5">ccache 3.2.5</h2>
\r
836 <div class="sectionbody">
\r
837 <div class="paragraph"><p>Release date: 2016-04-17</p></div>
\r
838 <div class="sect2">
\r
839 <h3 id="_new_features_and_improvements">New features and improvements</h3>
\r
840 <div class="ulist"><ul>
\r
843 Only pass clang-specific <code>-stdlib=</code> to the preprocessor.
\r
848 Improved handling of stale NFS handles.
\r
853 Made it harder to misinterpret documentation of boolean environment settings'
\r
859 <div class="sect2">
\r
860 <h3 id="_bug_fixes_4">Bug fixes</h3>
\r
861 <div class="ulist"><ul>
\r
864 Include m4 files used by configure.ac in the source dist archives.
\r
869 Corrected "Performance" section in the manual regarding <code>__DATE_</code>, <code>__TIME__</code>
\r
870 and <code>__FILE__</code> macros.
\r
875 Fixed build on Solaris 10+ and AIX 7.
\r
880 Fixed failure to create directories on QNX.
\r
885 Don’t (try to) update manifest file in “read-only” and “read-only direct”
\r
891 Fixed a bug in caching of <code>stat</code> system calls in “file_stat_matches
\r
892 sloppiness mode”.
\r
897 Fixed bug in hashing of clang plugins, leading to unnecessary cache misses.
\r
902 Fixed --print-config to show “pch_defines sloppiness”.
\r
907 The man page is now built when running “make install” from Git repository
\r
915 <div class="sect1">
\r
916 <h2 id="_ccache_3_2_4">ccache 3.2.4</h2>
\r
917 <div class="sectionbody">
\r
918 <div class="paragraph"><p>Release date: 2015-10-08</p></div>
\r
919 <div class="sect2">
\r
920 <h3 id="_bug_fixes_5">Bug fixes</h3>
\r
921 <div class="ulist"><ul>
\r
924 Fixed build error related to zlib on systems with older make versions
\r
925 (regression in ccache 3.2.3).
\r
930 Made conversion-to-bool explicit to avoid build warnings (and potential
\r
931 runtime errors) on legacy systems.
\r
936 Improved signal handling: Kill compiler on SIGTERM; wait for compiler to exit
\r
937 before exiting; die appropriately.
\r
942 Minor fixes related to Windows support.
\r
947 The correct compression level is now used if compression is requested.
\r
952 Fixed a bug where cache cleanup could be run too early for caches larger than
\r
953 64 GiB on 32-bit systems.
\r
960 <div class="sect1">
\r
961 <h2 id="_ccache_3_2_3">ccache 3.2.3</h2>
\r
962 <div class="sectionbody">
\r
963 <div class="paragraph"><p>Release date: 2015-08-16</p></div>
\r
964 <div class="sect2">
\r
965 <h3 id="_new_features_and_improvements_2">New features and improvements</h3>
\r
966 <div class="ulist"><ul>
\r
969 Added support for compiler option <code>-gsplit-dwarf</code>.
\r
974 <div class="sect2">
\r
975 <h3 id="_bug_fixes_6">Bug fixes</h3>
\r
976 <div class="ulist"><ul>
\r
979 Support external zlib in nonstandard directory.
\r
984 Avoid calling <code>exit()</code> inside an exit handler.
\r
989 Let exit handler terminate properly.
\r
994 Bail out on compiler option <code>--save-temps</code> in addition to <code>-save-temps</code>.
\r
999 Only log "Disabling direct mode" once when failing to read potential include
\r
1007 <div class="sect1">
\r
1008 <h2 id="_ccache_3_2_2">ccache 3.2.2</h2>
\r
1009 <div class="sectionbody">
\r
1010 <div class="paragraph"><p>Release date: 2015-05-10</p></div>
\r
1011 <div class="sect2">
\r
1012 <h3 id="_new_features_and_improvements_3">New features and improvements</h3>
\r
1013 <div class="ulist"><ul>
\r
1016 Added support for <code>CCACHE_COMPILERCHECK=string:<value></code>. This is a faster
\r
1017 alternative to <code>CCACHE_COMPILERCHECK=<command></code> if the command’s output can
\r
1018 be precalculated by the build system.
\r
1023 Add support for caching code coverage results (compiling for gcov).
\r
1028 <div class="sect2">
\r
1029 <h3 id="_bug_fixes_7">Bug fixes</h3>
\r
1030 <div class="ulist"><ul>
\r
1033 Made hash of cached result created with and without <code>CCACHE_CPP2</code> different.
\r
1034 This makes it possible to rebuild with <code>CCACHE_CPP2</code> set without having to
\r
1035 clear the cache to get new results.
\r
1040 Don’t try to reset a non-existing stats file. This avoids “No such file or
\r
1041 directory” messages in the ccache log when the cache directory doesn’t
\r
1047 Fixed a bug where ccache deleted clang diagnostics after compiler failures.
\r
1052 Avoid performing an unnecessary copy of the object file on a cache miss.
\r
1057 Bail out on too hard compiler option <code>-fmodules</code>.
\r
1062 Bail out on too hard compiler option <code>-fplugin=libcc1plugin</code> (interaction
\r
1068 Fixed build error when compiling ccache with recent clang versions.
\r
1073 Removed signal-unsafe code from signal handler.
\r
1078 Corrected logic for when to output cached stderr.
\r
1083 Wipe the whole cached result on failure retrieving a cached file.
\r
1088 Fixed build error when compiling ccache with recent clang versions.
\r
1095 <div class="sect1">
\r
1096 <h2 id="_ccache_3_2_1">ccache 3.2.1</h2>
\r
1097 <div class="sectionbody">
\r
1098 <div class="paragraph"><p>Release date: 2014-12-10</p></div>
\r
1099 <div class="sect2">
\r
1100 <h3 id="_bug_fixes_8">Bug fixes</h3>
\r
1101 <div class="ulist"><ul>
\r
1104 Fixed regression in temporary file handling, which lead to incorrect
\r
1105 permissions for stats, manifest and ccache.conf files in the cache.
\r
1110 <code>CACHEDIR.TAG</code> files are now created in the [0-9a-f] subdirectories so that
\r
1111 ccache.conf is not lost in backups.
\r
1116 Made the default cache size suffix <code>G</code>, as previously documented.
\r
1121 <code>-fdiagnostics-color=auto</code> is now passed to the compiler even if stderr is
\r
1122 redirected. This fixes a problem when, for instance, a configure test probes
\r
1123 if the compiler (wrapped via ccache) supports <code>-fdiagnostics-color=auto</code>.
\r
1128 Added missing documentation for <code>max_files</code> and <code>max_size</code> configuration
\r
1136 <div class="sect1">
\r
1137 <h2 id="_ccache_3_2">ccache 3.2</h2>
\r
1138 <div class="sectionbody">
\r
1139 <div class="paragraph"><p>Release date: 2014-11-17</p></div>
\r
1140 <div class="sect2">
\r
1141 <h3 id="_new_features_and_improvements_4">New features and improvements</h3>
\r
1142 <div class="ulist"><ul>
\r
1145 Added support for configuring ccache via one or several configuration files
\r
1146 instead of via environment variables. Environment variables still have
\r
1147 priority but are no longer the recommended way of customizing ccache
\r
1148 behavior. See the manual for more information.
\r
1153 Added support for compiler error/warning messages with color.
\r
1158 Made creation of temporary directories and cache directories smarter to avoid
\r
1159 unnecessary <code>stat</code> calls.
\r
1164 Improved efficiency of the algorithm that scans for <code>__DATE_</code> and <code>__TIME__</code>
\r
1165 tokens in the hashed source code.
\r
1170 Added support for several binaries (separated by space) in <code>CCACHE_PREFIX</code>.
\r
1175 The <code>-c</code> option is no longer passed to the preprocessor. This fixes problems
\r
1176 with clang and Solaris’s C++ compiler.
\r
1181 ccache no longer passes preprocessor options like <code>-D</code> and <code>-I</code> to the
\r
1182 compiler when compiling preprocessed output. This fixes warnings emitted by
\r
1188 Compiler options <code>-fprofile-generate</code>, <code>-fprofile-arcs</code>, <code>-fprofile-use</code> and
\r
1189 <code>-fbranch-probabilities</code> are now handled without bailing.
\r
1194 Added support for clang’s <code>--serialize-diagnostic</code> option, storing the
\r
1195 diagnostic file (<code>.dia</code>) in the cache.
\r
1200 Added support for precompiled headers when using clang.
\r
1205 Added support for clang <code>.pth</code> (pretokenized header) files.
\r
1210 Changed the <code>-x</code> language option to use the new objective C standard for GCC
\r
1216 On a cache miss, ccache now instructs the compiler to create the object file
\r
1217 at the real destination and then copies the file into the cache instead of
\r
1218 the other way around. This is needed to support compiler options like
\r
1219 <code>-fprofile-arcs</code> and <code>--serialize-diagnostics</code>.
\r
1224 ccache now checks that included files' ctimes aren’t too new. This check can
\r
1225 be turned off by adding <code>include_file_ctime</code> to the “ccache sloppiness”
\r
1231 Added possibility to get cache hits based on filename, size, mtime and ctime
\r
1232 only. On other words, source code files are not even read, only stat-ed. This
\r
1233 operation mode is opt-in by adding <code>file_stat_matches</code> to the “ccache
\r
1234 sloppiness” setting.
\r
1239 The filename part of options like <code>-Wp,-MDfilename</code> is no longer included in
\r
1240 the hash since the filename doesn’t have any bearing on the result.
\r
1245 Added a “read-only direct” configuration setting, which is like the
\r
1246 ordinary read-only setting except that ccache will only try to retrieve
\r
1247 results from the cache using the direct mode, not the preprocessor mode.
\r
1252 The display and interpretation of cache size has been changed to use SI
\r
1258 Default cache size is now 5 GB (was previously 1 GiB).
\r
1263 Added configuration option to set the compression level of compressed object
\r
1264 files in the cache.
\r
1269 Added support for <code>@file</code> and <code>-@file</code> arguments (reading options from a
\r
1275 <code>-Wl,</code> options are no longer included in the hash since they don’t affect
\r
1281 Bail out on too hard compiler option <code>-Wp,-P</code>.
\r
1286 Optimized MD4 calculation code on little-endian systems.
\r
1291 Various improvements and fixes on win32.
\r
1296 Improved logging to the ccache log file.
\r
1301 Added <code>--dump-manifest</code> command-line option for debugging purposes.
\r
1306 Added <code>--with-bundled-zlib</code> configure option.
\r
1311 Upgraded bundled zlib to version 1.2.8.
\r
1316 Improved <code>dev.mk</code> to be more platform independent.
\r
1321 Made the test suite work with clang and gcc-llvm on OS X.
\r
1326 Various other improvements of the test suite.
\r
1331 <div class="sect2">
\r
1332 <h3 id="_bug_fixes_9">Bug fixes</h3>
\r
1333 <div class="ulist"><ul>
\r
1336 Any previous <code>.stderr</code> is now removed from the cache when recaching.
\r
1341 Fixed an issue when handling the <code>-arch</code> compiler option with an argument.
\r
1346 Fixed race condition when creating the initial cache directory.
\r
1351 Fixed test suite failures when <code>CC</code> is a ccache-wrapped compiler.
\r
1358 <div class="sect1">
\r
1359 <h2 id="_ccache_3_1_12">ccache 3.1.12</h2>
\r
1360 <div class="sectionbody">
\r
1361 <div class="paragraph"><p>Release date: 2016-07-12</p></div>
\r
1362 <div class="sect2">
\r
1363 <h3 id="_bug_fixes_10">Bug fixes</h3>
\r
1364 <div class="ulist"><ul>
\r
1367 Fixed a bug where (due to ccache rewriting paths) the compiler could choose
\r
1368 incorrect include files if <code>CCACHE_BASEDIR</code> is used and the source file path
\r
1369 is absolute and is a symlink.
\r
1376 <div class="sect1">
\r
1377 <h2 id="_ccache_3_1_11">ccache 3.1.11</h2>
\r
1378 <div class="sectionbody">
\r
1379 <div class="paragraph"><p>Release date: 2015-03-07</p></div>
\r
1380 <div class="sect2">
\r
1381 <h3 id="_bug_fixes_11">Bug fixes</h3>
\r
1382 <div class="ulist"><ul>
\r
1385 Fixed bug which could result in false cache hits when source code contains
\r
1386 <code>'"'</code> followed by <code>" /*"</code> or <code>" //"</code> (with variations).
\r
1391 Made hash of cached result created with and without <code>CCACHE_CPP2</code> different.
\r
1392 This makes it possible to rebuild with <code>CCACHE_CPP2</code> set without having to
\r
1393 clear the cache to get new results.
\r
1398 Don’t try to reset a non-existing stats file. This avoids “No such file or
\r
1399 directory” messages in the ccache log when the cache directory doesn’t
\r
1407 <div class="sect1">
\r
1408 <h2 id="_ccache_3_1_10">ccache 3.1.10</h2>
\r
1409 <div class="sectionbody">
\r
1410 <div class="paragraph"><p>Release date: 2014-10-19</p></div>
\r
1411 <div class="sect2">
\r
1412 <h3 id="_new_features_and_improvements_5">New features and improvements</h3>
\r
1413 <div class="ulist"><ul>
\r
1416 Added support for the <code>-Xclang</code> compiler option.
\r
1421 Improved handling of exit code of internally executed processes.
\r
1426 Zero length object files in the cache are now rejected as invalid.
\r
1431 Bail out on option <code>-gsplit-dwarf</code> (since it produces multiple output files).
\r
1436 Compiler option <code>-fdebug-prefix-map</code> is now ignored (not part of the hash).
\r
1437 (The <code>-fdebug-prefix-map</code> option may be used in combination with
\r
1438 <code>CCACHE_BASEDIR</code> to reuse results across different directories.)
\r
1443 Added note in documentation that <code>--ccache-skip</code> currently does not mean
\r
1444 “don’t hash the following option”.
\r
1449 To enable support for precompiled headers (PCH), <code>CCACHE_SLOPPINESS</code> now also
\r
1450 needs to include the new <code>pch_defines</code> sloppiness. This is because ccache
\r
1451 can’t detect changes in the source code when only defined macros have been
\r
1457 Stale files in the internal temporary directory (<code><ccache_dir>/tmp</code>) are now
\r
1458 cleaned up if they are older than one hour.
\r
1463 <div class="sect2">
\r
1464 <h3 id="_bug_fixes_12">Bug fixes</h3>
\r
1465 <div class="ulist"><ul>
\r
1468 Fixed path canonicalization in <code>make_relative_path()</code> when path doesn’t
\r
1474 Fixed bug in <code>common_dir_prefix_length()</code>. This corrects the <code>CCACHE_BASEDIR</code>
\r
1480 ccache no longer tries to create the cache directory when <code>CCACHE_DISABLE</code> is
\r
1486 Fixed bug when reading manifests with a very large number of file info
\r
1492 Fixed problem with logging of current working directory.
\r
1499 <div class="sect1">
\r
1500 <h2 id="_ccache_3_1_9">ccache 3.1.9</h2>
\r
1501 <div class="sectionbody">
\r
1502 <div class="paragraph"><p>Release date: 2013-01-06</p></div>
\r
1503 <div class="sect2">
\r
1504 <h3 id="_bug_fixes_13">Bug fixes</h3>
\r
1505 <div class="ulist"><ul>
\r
1508 The EAGAIN signal is now handled correctly when emitting cached stderr
\r
1509 output. This fixes a problem triggered by large error outputs from the
\r
1515 Subdirectories in the cache are no longer created in read-only mode.
\r
1520 Fixed so that ccache’s log file descriptor is not made available to the
\r
1526 Improved error reporting when failing to create temporary stdout/stderr files
\r
1527 when executing the compiler.
\r
1532 Disappearing temporary stdout/stderr files are now handled gracefully.
\r
1537 <div class="sect2">
\r
1538 <h3 id="_other">Other</h3>
\r
1539 <div class="ulist"><ul>
\r
1542 Fixed test suite to work on ecryptfs.
\r
1549 <div class="sect1">
\r
1550 <h2 id="_ccache_3_1_8">ccache 3.1.8</h2>
\r
1551 <div class="sectionbody">
\r
1552 <div class="paragraph"><p>Release date: 2012-08-11</p></div>
\r
1553 <div class="sect2">
\r
1554 <h3 id="_new_features_and_improvements_6">New features and improvements</h3>
\r
1555 <div class="ulist"><ul>
\r
1558 Made paths to dependency files relative in order to increase cache hits.
\r
1563 Added work-around to make ccache work with buggy GCC 4.1 when creating a
\r
1564 pre-compiled header.
\r
1569 Clang plugins are now hashed to catch plugin upgrades.
\r
1574 <div class="sect2">
\r
1575 <h3 id="_bug_fixes_14">Bug fixes</h3>
\r
1576 <div class="ulist"><ul>
\r
1579 Fixed crash when the current working directory has been removed.
\r
1584 Fixed crash when stderr is closed.
\r
1589 Corrected a corner case when parsing backslash escapes in string
\r
1595 Paths are now correctly canonicalized when computing paths relative to the
\r
1601 <div class="sect2">
\r
1602 <h3 id="_other_2">Other</h3>
\r
1603 <div class="ulist"><ul>
\r
1606 Made git version macro work when compiling outside of the source directory.
\r
1611 Fixed <code>static_assert</code> macro definition clash with GCC 4.7.
\r
1618 <div class="sect1">
\r
1619 <h2 id="_ccache_3_1_7">ccache 3.1.7</h2>
\r
1620 <div class="sectionbody">
\r
1621 <div class="paragraph"><p>Release date: 2012-01-08</p></div>
\r
1622 <div class="sect2">
\r
1623 <h3 id="_bug_fixes_15">Bug fixes</h3>
\r
1624 <div class="ulist"><ul>
\r
1627 Non-writable <code>CCACHE_DIR</code> is now handled gracefully when <code>CCACHE_READONLY</code> is
\r
1633 Made failure to create files (typically due to bad directory permissions) in
\r
1634 the cache directory fatal. Previously, such failures were silently and
\r
1635 erroneously flagged as "compiler produced stdout".
\r
1640 Both the <code>-specs=file</code> and <code>--specs=file</code> forms are now recognized.
\r
1645 Added recognition and hashing of GCC plugins specified with <code>-fplugin=file</code>.
\r
1650 <code>CCACHE_COMPILERCHECK</code> now also determines how to hash explicit specs files
\r
1651 (<code>-specs=file</code>).
\r
1656 Added <code>CPATH</code>, <code>C_INCLUDE_PATH</code> and similar environment variables to the hash
\r
1657 to avoid false cache hits when such variables have changed.
\r
1662 Corrected log message when unify mode is enabled.
\r
1667 Reverted the GCC bug compatibility introduced in ccache 3.1.5 for <code>-MT</code>/<code>-MQ</code>
\r
1668 options with concatenated arguments. (The bug is fixed in recent GCC
\r
1674 <div class="sect2">
\r
1675 <h3 id="_other_3">Other</h3>
\r
1676 <div class="ulist"><ul>
\r
1679 Corrected license header for <code>mdfour.c</code>.
\r
1684 Improved documentation on how to fix bad object files in the cache.
\r
1691 <div class="sect1">
\r
1692 <h2 id="_ccache_3_1_6">ccache 3.1.6</h2>
\r
1693 <div class="sectionbody">
\r
1694 <div class="paragraph"><p>Release date: 2011-08-21</p></div>
\r
1695 <div class="sect2">
\r
1696 <h3 id="_new_features_and_improvements_7">New features and improvements</h3>
\r
1697 <div class="ulist"><ul>
\r
1700 Rewrite argument to <code>--sysroot</code> if <code>CCACHE_BASEDIR</code> is used.
\r
1705 <div class="sect2">
\r
1706 <h3 id="_bug_fixes_16">Bug fixes</h3>
\r
1707 <div class="ulist"><ul>
\r
1710 Don’t crash if <code>getcwd()</code> fails.
\r
1715 Fixed alignment of “called for preprocessing” counter.
\r
1722 <div class="sect1">
\r
1723 <h2 id="_ccache_3_1_5">ccache 3.1.5</h2>
\r
1724 <div class="sectionbody">
\r
1725 <div class="paragraph"><p>Release date: 2011-05-29</p></div>
\r
1726 <div class="sect2">
\r
1727 <h3 id="_new_features_and_improvements_8">New features and improvements</h3>
\r
1728 <div class="ulist"><ul>
\r
1731 Added a new statistics counter named “called for preprocessing”.
\r
1736 The original command line is now logged to the file specified with
\r
1737 <code>CCACHE_LOGFILE</code>.
\r
1742 Improved error logging when system calls fail.
\r
1747 Added support for rewriting absolute paths in <code>-F</code>/<code>-iframework</code> GCC
\r
1753 Improved order of statistics counters in <code>ccache -s</code> output.
\r
1758 <div class="sect2">
\r
1759 <h3 id="_bug_fixes_17">Bug fixes</h3>
\r
1760 <div class="ulist"><ul>
\r
1763 The <code>-MF</code>/<code>-MT</code>/<code>-MQ</code> options with concatenated argument are now handled
\r
1764 correctly when they are last on the command line.
\r
1769 ccache is now bug compatible with GCC for the <code>-MT</code>/<code>-MQ</code> options with
\r
1770 concatenated arguments.
\r
1775 Fixed a minor memory leak.
\r
1780 Systems that lack (and don’t need to be linked with) libm are now supported.
\r
1787 <div class="sect1">
\r
1788 <h2 id="_ccache_3_1_4">ccache 3.1.4</h2>
\r
1789 <div class="sectionbody">
\r
1790 <div class="paragraph"><p>Release date: 2011-01-09</p></div>
\r
1791 <div class="sect2">
\r
1792 <h3 id="_bug_fixes_18">Bug fixes</h3>
\r
1793 <div class="ulist"><ul>
\r
1796 Made a work-around for a bug in <code>gzputc()</code> in zlib 1.2.5.
\r
1801 Corrupt manifest files are now removed so that they won’t block direct mode
\r
1807 ccache now copes with file systems that don’t know about symbolic links.
\r
1812 The file handle in now correctly closed on write error when trying to create
\r
1820 <div class="sect1">
\r
1821 <h2 id="_ccache_3_1_3">ccache 3.1.3</h2>
\r
1822 <div class="sectionbody">
\r
1823 <div class="paragraph"><p>Release date: 2010-11-28</p></div>
\r
1824 <div class="sect2">
\r
1825 <h3 id="_bug_fixes_19">Bug fixes</h3>
\r
1826 <div class="ulist"><ul>
\r
1829 The -MFarg, -MTarg and -MQarg compiler options (i.e, without space between
\r
1830 option and argument) are now handled correctly.
\r
1835 <div class="sect2">
\r
1836 <h3 id="_other_4">Other</h3>
\r
1837 <div class="ulist"><ul>
\r
1840 Portability fixes for HP-UX 11.00 and other esoteric systems.
\r
1847 <div class="sect1">
\r
1848 <h2 id="_ccache_3_1_2">ccache 3.1.2</h2>
\r
1849 <div class="sectionbody">
\r
1850 <div class="paragraph"><p>Release date: 2010-11-21</p></div>
\r
1851 <div class="sect2">
\r
1852 <h3 id="_bug_fixes_20">Bug fixes</h3>
\r
1853 <div class="ulist"><ul>
\r
1856 Bail out on too hard compiler options <code>-fdump-*</code>.
\r
1861 NULL return values from malloc/calloc of zero bytes are now handled
\r
1867 Fixed issue when parsing precompiler output on AIX.
\r
1872 <div class="sect2">
\r
1873 <h3 id="_other_5">Other</h3>
\r
1874 <div class="ulist"><ul>
\r
1877 Improved documentation on which information is included in the hash sum.
\r
1882 Made the “too new header file” test case work on file systems with
\r
1883 unsynchronized clocks.
\r
1888 The test suite now also works on systems that lack a /dev/zero.
\r
1895 <div class="sect1">
\r
1896 <h2 id="_ccache_3_1_1">ccache 3.1.1</h2>
\r
1897 <div class="sectionbody">
\r
1898 <div class="paragraph"><p>Release date: 2010-11-07</p></div>
\r
1899 <div class="sect2">
\r
1900 <h3 id="_bug_fixes_21">Bug fixes</h3>
\r
1901 <div class="ulist"><ul>
\r
1904 ccache now falls back to preprocessor mode when a non-regular include file
\r
1905 (device, socket, etc) has been detected so that potential hanging due to
\r
1906 blocking reads is avoided.
\r
1911 CRC errors are now detected when decompressing compressed files in the cache.
\r
1916 Fixed potential object file corruption race on NFS.
\r
1921 Minor documentation corrections.
\r
1926 Fixed configure detection of ar.
\r
1931 ccache development version (set by dev.mk) now works with gits whose
\r
1932 <code>describe</code> command doesn’t understand <code>--dirty</code>.
\r
1937 <div class="sect2">
\r
1938 <h3 id="_other_6">Other</h3>
\r
1939 <div class="ulist"><ul>
\r
1942 Minor debug log message improvements.
\r
1949 <div class="sect1">
\r
1950 <h2 id="_ccache_3_1">ccache 3.1</h2>
\r
1951 <div class="sectionbody">
\r
1952 <div class="paragraph"><p>Release date: 2010-09-16</p></div>
\r
1953 <div class="sect2">
\r
1954 <h3 id="_new_features_and_improvements_9">New features and improvements</h3>
\r
1955 <div class="ulist"><ul>
\r
1958 Added support for hashing the output of a custom command (e.g. <code>%compiler%
\r
1959 --version</code>) to identify the compiler instead of stat-ing or hashing the
\r
1960 compiler binary. This can improve robustness when the compiler (as seen by
\r
1961 ccache) actually isn’t the real compiler but another compiler wrapper.
\r
1966 Added support for caching compilations that use precompiled headers. (See the
\r
1967 manual for important instructions regarding this.)
\r
1972 Locking of the files containing statistics counters is now done using
\r
1973 symlinks instead of POSIX locks. This should make ccache behave a lot better
\r
1974 on file systems where POSIX locks are slow or broken (e.g. NFS on some
\r
1980 Manifest files are now updated without the need of taking locks.
\r
1985 Updates of statistics counters are now always done in one of the sub-level
\r
1986 statistics files. This reduces lock contention, which especially improves
\r
1987 performance on slow NFS mounts.
\r
1992 Reading and writing of statistics counters has been made forward-compatible
\r
1993 (unknown counters are retained).
\r
1998 Files are now read without using <code>mmap()</code>. This has two benefits: it’s more
\r
1999 robust against file changes during reading and it improves performance on
\r
2000 poor systems where <code>mmap()</code> doesn’t use the disk cache.
\r
2005 Added <code>.cp</code> and <code>.CP</code> as known C++ suffixes.
\r
2015 Added <code>-install_name</code> as an option known to take an argument. (This improves
\r
2016 statistics when using the Darwin linker.)
\r
2021 <div class="sect2">
\r
2022 <h3 id="_bug_fixes_22">Bug fixes</h3>
\r
2023 <div class="ulist"><ul>
\r
2026 Non-fatal error messages are now never printed to stderr but logged instead.
\r
2031 Fixed a bug affecting failing commands when <code>--ccache-skip</code> is used.
\r
2036 Made <code>--ccache-skip</code> work for all options.
\r
2041 EINTR is now handled correctly.
\r
2046 <div class="sect2">
\r
2047 <h3 id="_other_7">Other</h3>
\r
2048 <div class="ulist"><ul>
\r
2051 Work on porting ccache to win32 (native), mostly done by Ramiro Polla. The
\r
2052 port is not yet finished, but will hopefully be complete in some subsequent
\r
2058 Added a <code>--nostats</code> flag to the performance benchmark program.
\r
2063 Made the performance benchmark program more accurate when measuring cache
\r
2069 Added a new test framework for unit tests written in C.
\r
2074 Got rid of <code>configure-dev</code>; dev mode is now given by <code>dev.mk.in</code> presence.
\r
2079 Improved documentation on how to combine ccache with other compiler wrappers
\r
2080 (like <code>distcc</code>).
\r
2085 New <code>LICENSE.txt</code> file with licensing and copyright details about bundled
\r
2091 New <code>AUTHORS.txt</code> file with a list of ccache contributors.
\r
2096 New <code>HACKING.txt</code> file with some notes about ccache code conventions.
\r
2103 <div class="sect1">
\r
2104 <h2 id="_ccache_3_0_1">ccache 3.0.1</h2>
\r
2105 <div class="sectionbody">
\r
2106 <div class="paragraph"><p>Release date: 2010-07-15</p></div>
\r
2107 <div class="sect2">
\r
2108 <h3 id="_bug_fixes_23">Bug fixes</h3>
\r
2109 <div class="ulist"><ul>
\r
2112 The statistics counter “called for link” is now correctly updated when
\r
2113 linking with a single object file.
\r
2118 Fixed a problem with out-of-source builds.
\r
2125 <div class="sect1">
\r
2126 <h2 id="_ccache_3_0">ccache 3.0</h2>
\r
2127 <div class="sectionbody">
\r
2128 <div class="paragraph"><p>Release date: 2010-06-20</p></div>
\r
2129 <div class="sect2">
\r
2130 <h3 id="_general">General</h3>
\r
2131 <div class="ulist"><ul>
\r
2134 ccache is now licensed under the GNU General Public License (GPL) version 3
\r
2140 <div class="sect2">
\r
2141 <h3 id="_upgrade_notes">Upgrade notes</h3>
\r
2142 <div class="ulist"><ul>
\r
2145 The way the hashes are calculated has changed, so you won’t get cache hits
\r
2146 for compilation results stored by older ccache versions. Because of this, you
\r
2147 might as well clear the old cache directory with <code>ccache --clear</code> if you
\r
2148 want, unless you plan to keep using an older ccache version.
\r
2153 <div class="sect2">
\r
2154 <h3 id="_new_features_and_improvements_10">New features and improvements</h3>
\r
2155 <div class="ulist"><ul>
\r
2158 ccache now has a “direct mode” where it computes a hash of the source code
\r
2159 (including all included files) and compiler options without running the
\r
2160 preprocessor. By not running the preprocessor, CPU usage is reduced; the
\r
2161 speed is somewhere between 1 and 5 times that of ccache running in
\r
2162 traditional mode, depending on the circumstances. The speedup will be higher
\r
2163 when I/O is fast (e.g., when files are in the disk cache). The direct mode
\r
2164 can be disabled by setting <code>CCACHE_NODIRECT</code>.
\r
2169 Support has been added for rewriting absolute paths to relative paths when
\r
2170 hashing, in order to increase cache hit rate when building the same source
\r
2171 code in different directories even when compiling with <code>-g</code> and when using
\r
2172 absolute include directory paths. This is done by setting the
\r
2173 <code>CCACHE_BASEDIR</code> environment variable to an absolute path that specifies
\r
2174 which paths to rewrite.
\r
2179 Object files are now optionally stored compressed in the cache. The runtime
\r
2180 cost is negligible, and more files will fit in the ccache directory and in
\r
2181 the disk cache. Set <code>CCACHE_COMPRESS</code> to enable object file compression. Note
\r
2182 that you can’t use compression in combination with the hard link feature.
\r
2187 A <code>CCACHE_COMPILERCHECK</code> option has been added. This option tells ccache what
\r
2188 compiler-identifying information to hash to ensure that results retrieved
\r
2189 from the cache are accurate. Possible values are: none (don’t hash anything),
\r
2190 mtime (hash the compiler’s mtime and size) and content (hash the content of
\r
2191 the compiler binary). The default is mtime.
\r
2196 It is now possible to specify extra files whose contents should be included
\r
2197 in the hash sum by setting the <code>CCACHE_EXTRAFILES</code> option.
\r
2202 Added support for Objective-C and Objective-C++. The statistics counter
\r
2203 “not a C/C++ file” has been renamed to “unsupported source language”.
\r
2208 Added support for the <code>-x</code> compiler option.
\r
2213 Added support for long command-line options.
\r
2218 A <code>CACHEDIR.TAG</code> file is now created in the cache directory. See
\r
2219 <a href="http://www.brynosaurus.com/cachedir/">http://www.brynosaurus.com/cachedir/</a>.
\r
2224 Messages printed to the debug log (specified by <code>CCACHE_LOGFILE</code>) have been
\r
2230 You can relax some checks that ccache does in direct mode by setting
\r
2231 <code>CCACHE_SLOPPINESS</code>. See the manual for more information.
\r
2236 <code>CCACHE_TEMPDIR</code> no longer needs to be on the same filesystem as
\r
2237 <code>CCACHE_DIR</code>.
\r
2242 The default value of <code>CCACHE_TEMPDIR</code> has been changed to <code>$CCACHE_DIR/tmp</code>
\r
2243 to avoid cluttering the top directory.
\r
2248 Temporary files that later will be moved into the cache are now created in
\r
2249 the cache directory they will end up in. This makes ccache more friendly to
\r
2250 Linux’s directory layout.
\r
2255 Improved the test suite and added tests for most of the new functionality.
\r
2256 It’s now also possible to specify a subset of tests to run.
\r
2261 Standard error output from the compiler is now only stored in the cache if
\r
2262 it’s non-empty.
\r
2267 If the compiler produces no object file or an empty object file, but gives a
\r
2268 zero exit status (could be due to a file system problem, a buggy program
\r
2269 specified by <code>CCACHE_PREFIX</code>, etc.), ccache copes with it properly.
\r
2274 Added <code>installcheck</code> and <code>distcheck</code> make targets.
\r
2279 Clarified cache size limit options' and cleanup semantics.
\r
2284 Improved display of cache max size values.
\r
2289 The following options are no longer hashed in the preprocessor mode:
\r
2290 <code>-imacros</code>, <code>-imultilib</code>, <code>-iprefix</code>, <code>-iquote</code>, <code>-isysroot</code>, <code>-iwithprefix</code>,
\r
2291 <code>-iwithprefixbefore</code>, <code>-nostdinc</code>, <code>-nostdinc++</code> and <code>-U</code>.
\r
2296 <div class="sect2">
\r
2297 <h3 id="_bug_fixes_24">Bug fixes</h3>
\r
2298 <div class="ulist"><ul>
\r
2301 Various portability improvements.
\r
2306 Improved detection of home directory.
\r
2311 User-defined <code>CPPFLAGS</code> and <code>LDFLAGS</code> are now respected in the Makefile.
\r
2321 Computation of the hash sum has been improved to decrease the risk of hash
\r
2322 collisions. For instance, the compiler options <code>-X -Y</code> and <code>-X-Y</code> previously
\r
2323 contributed equally to the hash sum.
\r
2328 Bail out on too hard compiler options <code>--coverage</code>, <code>-fprofile-arcs</code>,
\r
2329 <code>-fprofile-generate</code>, <code>-fprofile-use</code>, <code>-frepo</code>, <code>-ftest-coverage</code> and
\r
2330 <code>-save-temps</code>. Also bail out on <code>@file</code> style options.
\r
2335 Errors when using multiple <code>-arch</code> compiler options are now noted as
\r
2336 “unsupported compiler option”.
\r
2341 <code>-MD</code>/<code>-MMD</code> options without <code>-MT</code>/<code>-MF</code> are now handled correctly.
\r
2346 The <code>-finput-charset</code> option is now handled correctly.
\r
2351 Added support for <code>-Wp,-MD</code> and <code>-Wp,-MMD</code> options.
\r
2356 The compiler options <code>-Xassembler</code>, <code>-b</code>, <code>-G</code> and <code>-V</code> are now correctly
\r
2357 recognized as taking an argument.
\r
2362 Debug information containing line numbers of predefined and command-line
\r
2363 macros (enabled with the compiler option <code>-g3</code>) will now be correct.
\r
2368 Corrected LRU cleanup handling of object files.
\r
2373 <code>utimes()</code> is now used instead of <code>utime()</code> when available.
\r
2378 Non-writable cache directories are now handled gracefully.
\r
2383 Corrected documentation about sharing the cache directory.
\r
2388 Fixed compilation warnings from GCC 4.3.
\r
2393 The command specified by <code>CCACHE_PREFIX</code> is no longer part of the hash.
\r
2398 Fixed bad memory access spotted by Valgrind.
\r
2403 Fixed a bug in <code>x_realloc</code>.
\r
2408 Freed memory is no longer referenced when compiling a <code>.i</code>/<code>.ii</code> file and
\r
2409 falling back to running the real compiler.
\r
2414 The test suite is now immune to external values of the <code>CCACHE_*</code> environment
\r
2420 Improved detection of recursive invocation.
\r
2425 The ccache binary is now not unconditionally stripped when installing.
\r
2430 Statistics counters are now correctly updated for -E option failures and
\r
2439 <div id="footnotes"><hr /></div>
\r
2441 <div id="footer-text">
\r
2442 Version 3.2.9<br />
\r
2444 2016-09-28 22:19:01 CEST
\r
projects / platform / upstream / ccache.git / blob