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mw-first-heading"><span class="mw-page-title-main">GNAT</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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hreflang="es" data-title="GNAT" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/GNAT" title="GNAT – French" lang="fr" hreflang="fr" data-title="GNAT" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/GNAT" title="GNAT – Korean" lang="ko" hreflang="ko" data-title="GNAT" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/GNAT" title="GNAT – Italian" lang="it" hreflang="it" data-title="GNAT" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/GNAT" title="GNAT – Japanese" lang="ja" hreflang="ja" data-title="GNAT" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/GNAT" title="GNAT – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="GNAT" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/GNAT" title="GNAT – Polish" lang="pl" hreflang="pl" data-title="GNAT" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li 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free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Free-software compiler for the Ada programming language</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="/wiki/Gnat_(disambiguation)" class="mw-disambig" title="Gnat (disambiguation)">Gnat (disambiguation)</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output 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.ambox.mbox-small-left{font-size:100%;width:auto;margin:0}.mw-parser-output .compact-ambox .ambox .mbox-text{padding:0!important;margin:0!important}.mw-parser-output .compact-ambox .ambox .mbox-text-span{display:list-item;line-height:1.5em;list-style-type:disc}body.skin-minerva .mw-parser-output .multiple-issues-text>.mw-collapsible-toggle,.mw-parser-output .compact-ambox .ambox .mbox-image,.mw-parser-output .compact-ambox .ambox .mbox-imageright,.mw-parser-output .compact-ambox .ambox .mbox-empty-cell,.mw-parser-output .compact-ambox .hide-when-compact{display:none}</style><table class="box-Multiple_issues plainlinks metadata ambox ambox-content ambox-multiple_issues compact-ambox" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/40px-Ambox_important.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/60px-Ambox_important.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/b/b4/Ambox_important.svg/80px-Ambox_important.svg.png 2x" data-file-width="40" data-file-height="40" /></span></span></div></td><td class="mbox-text"><div class="mbox-text-span"><div class="multiple-issues-text mw-collapsible"><b>This article has multiple issues.</b> Please help <b><a href="/wiki/Special:EditPage/GNAT" title="Special:EditPage/GNAT">improve it</a></b> or discuss these issues on the <b><a href="/wiki/Talk:GNAT" title="Talk:GNAT">talk page</a></b>. <small><i>(<a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove these messages</a>)</i></small> <div class="mw-collapsible-content"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444" /><table class="box-More_citations_needed plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/GNAT" title="Special:EditPage/GNAT">improve this article</a> by <a 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Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22GNAT%22">"GNAT"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22GNAT%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22GNAT%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22GNAT%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22GNAT%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22GNAT%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">July 2010</span>)</i></span><span 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.mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vevent"><caption class="infobox-title summary">GNAT</caption><tbody><tr><td colspan="2" class="infobox-image logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Heckert_GNU_white.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/2/22/Heckert_GNU_white.svg/120px-Heckert_GNU_white.svg.png" decoding="async" width="120" height="117" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/2/22/Heckert_GNU_white.svg/250px-Heckert_GNU_white.svg.png 1.5x" data-file-width="535" data-file-height="523" /></a></span></td></tr><tr><td colspan="2" class="infobox-image logo"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Gps.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Gps.png/250px-Gps.png" decoding="async" width="220" height="161" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Gps.png/330px-Gps.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/65/Gps.png/500px-Gps.png 2x" data-file-width="1525" data-file-height="1119" /></a></span><div class="infobox-caption">Ada <a href="/wiki/Source_code" title="Source code">source</a> within GPS</div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Developer(s)</a></th><td class="infobox-data"><a href="/wiki/New_York_University" title="New York University">New York University</a> (NYU), <a href="/wiki/AdaCore" class="mw-redirect" title="AdaCore">AdaCore</a> and the <a href="/wiki/GNU_Project" title="GNU Project">GNU Project</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">1995<span class="noprint">; 30 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1995</span>)</span></td></tr><tr style="display: none;"><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546" /></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Stable release</a></th><td class="infobox-data"><div style="margin:0px;">FSF GNAT 14.1 (2024-05-07)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <p>GNAT Pro 24 (2024)<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> </div></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="/wiki/FreeBSD" title="FreeBSD">FreeBSD</a>, <a href="/wiki/Linux" title="Linux">Linux</a>,<br /><a href="/wiki/Solaris_(operating_system)" class="mw-redirect" title="Solaris (operating system)">Solaris</a>/<a href="/wiki/SPARC" title="SPARC">SPARC</a>,<br /><a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Microsoft Windows</a>,<br /><a href="/wiki/Mac_OS_X" class="mw-redirect" title="Mac OS X">Mac OS X</a>,<br />plus others as supported by FSF GNAT within GCC</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data"><a href="/wiki/Compiler" title="Compiler">Compiler</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="/wiki/GNU_General_Public_License#Version_3" title="GNU General Public License">GNU GPL 3+</a> with GCC Runtime Library Exception<sup id="cite_ref-GCC_Runtime_Library_Exception_3-0" class="reference"><a href="#cite_note-GCC_Runtime_Library_Exception-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://www.getadanow.com">www<wbr />.getadanow<wbr />.com</a></span> - FSF GNAT<br /><span class="url"><a rel="nofollow" class="external text" href="http://www.adacore.com/gnatpro/">www<wbr />.adacore<wbr />.com<wbr />/gnatpro<wbr />/</a></span> GNAT Pro</td></tr></tbody></table> <p><b>GNAT</b> is a <a href="/wiki/Free_software" title="Free software">free-software</a> <a href="/wiki/Compiler" title="Compiler">compiler</a> for the <a href="/wiki/Ada_(programming_language)" title="Ada (programming language)">Ada programming language</a> which forms part of the <a href="/wiki/GNU_Compiler_Collection" title="GNU Compiler Collection">GNU Compiler Collection</a> (GCC). It supports all versions of the language, i.e. Ada 2012, Ada 2005, Ada 95 and Ada 83. Originally its name was an <a href="/wiki/Acronym" title="Acronym">acronym</a> that stood for <i><b>G</b>NU <b>N</b>YU <b>A</b>da <b>T</b>ranslator</i>, but that name no longer applies. The front-end and run-time are written in Ada. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=GNAT&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The GNAT project started in 1992 when the <a href="/wiki/United_States_Air_Force" title="United States Air Force">United States Air Force</a> awarded <a href="/wiki/New_York_University" title="New York University">New York University</a> (NYU) a contract to build a <a href="/wiki/Free_software" title="Free software">free</a> compiler for Ada to help with the Ada 9X standardization process. The 3-million-dollar contract required<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (December 2021)">citation needed</span></a></i>]</sup> the use of the <a href="/wiki/GNU_General_Public_License" title="GNU General Public License">GNU GPL</a> for all development, and assigned the copyright to the <a href="/wiki/Free_Software_Foundation" title="Free Software Foundation">Free Software Foundation</a>. The first official validation of GNAT occurred in 1995. </p><p>In 1994 and 1996, the original authors of GNAT <sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (December 2021)">clarification needed</span></a></i>]</sup><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Manual_of_Style/Words_to_watch#Unsupported_attributions" title="Wikipedia:Manual of Style/Words to watch"><span title="The material near this tag possibly uses too-vague attribution or weasel words. (July 2022)">who?</span></a></i>]</sup> founded two sister companies, <b>Ada Core Technologies</b> in New York City and ACT-Europe (later AdaCore SAS) in Paris, to provide continuing development and commercial support of GNAT. The two companies always operated as one entity, but did not formally unify until 2012 as AdaCore.<sup id="cite_ref-GNAT-Pro-Insider-2014-2015_4-0" class="reference"><a href="#cite_note-GNAT-Pro-Insider-2014-2015-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>GNAT was initially released separately from the main GCC sources. On October 2, 2001, the GNAT sources were contributed to the GCC <a href="/wiki/Concurrent_Versions_System" title="Concurrent Versions System">CVS</a> repository.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The last version to be released separately was GNAT 3.15p, based on GCC 2.8.1, on October 2, 2002. Starting with GCC 3.4, on major platforms the official GCC release is able to pass 100% of the <a href="/wiki/Ada_Conformity_Assessment_Test_Suite" title="Ada Conformity Assessment Test Suite">ACATS</a> Ada tests included in the GCC testsuite. By GCC 4.0, more exotic platforms were also able to pass 100% of the ACATS tests. </p> <div class="mw-heading mw-heading2"><h2 id="License">License</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=GNAT&action=edit&section=2" title="Edit section: License"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The compiler is licensed under the terms of the <a href="/wiki/GNU_General_Public_License#Version_3" title="GNU General Public License">GNU GPL 3+</a> with GCC Runtime Library Exception.<sup id="cite_ref-GCC_Runtime_Library_Exception_3-1" class="reference"><a href="#cite_note-GCC_Runtime_Library_Exception-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>All versions leading up to and including 3.15p are licensed under the GMGPL offering similar runtime exceptions. The GMGPL license is GNU GPL 2 with a linking exception that permits software with licenses that are incompatible with the GPL to be linked with the output of Ada standard generic libraries that are supplied with GNAT without breaching the license agreement. </p> <div class="mw-heading mw-heading2"><h2 id="Versions">Versions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=GNAT&action=edit&section=3" title="Edit section: Versions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>FSF GNAT is part of most major Linux or BSD distributions and is included in the main GCC Sources. </p><p>GNAT Pro is a supported version of GNAT from <a href="/wiki/AdaCore" class="mw-redirect" title="AdaCore">AdaCore</a>. </p><p>In addition to FSF GNAT and AdaCore's GNAT Pro, AdaCore releases additional versions (GNAT-GPL, a public older version of GNAT Pro, and GNAT GAP, a version for AdaCore's educational programs).<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> These AdaCore versions have the runtime exceptions removed, this requires software that is linked with the standard libraries to have GPL-compatible licenses to avoid being in breach of the license agreement. </p><p><b>JGNAT</b> was a GNAT version that compiled from the Ada programming language to <a href="/wiki/Java_bytecode" title="Java bytecode">Java bytecode</a>. <b>GNAT for dotNET</b> is a GNAT version that compiles from the Ada programming language to <a href="/wiki/Common_Language_Infrastructure" title="Common Language Infrastructure">Common Language Infrastructure</a> for the .NET Framework and the free and open source implementations Mono and Portable.NET. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=GNAT&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1266661725">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Free_and_open-source_software_logo_%282009%29.svg/28px-Free_and_open-source_software_logo_%282009%29.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/31/Free_and_open-source_software_logo_%282009%29.svg/42px-Free_and_open-source_software_logo_%282009%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/31/Free_and_open-source_software_logo_%282009%29.svg/56px-Free_and_open-source_software_logo_%282009%29.svg.png 2x" data-file-width="512" data-file-height="512" /></span></span></span><span class="portalbox-link"><a href="/wiki/Portal:Free_and_open-source_software" title="Portal:Free and open-source software">Free and open-source software portal</a></span></li></ul> <ul><li><a href="/wiki/APSE" class="mw-redirect" title="APSE">APSE</a> – a specification for a programming environment to support software development in Ada</li> <li><a href="/w/index.php?title=GNAT_Programming_Studio&action=edit&redlink=1" class="new" title="GNAT Programming Studio (page does not exist)">GNAT Programming Studio</a></li> <li><a href="/wiki/GNU_Compiler_Collection" title="GNU Compiler Collection">GNU Compiler Collection</a> – Free and open-source compiler for various programming languages</li> <li><a href="/wiki/Ravenscar_profile" title="Ravenscar profile">Ravenscar profile</a> – a subset of the Ada tasking features designed for safety-critical hard real-time computing</li> <li><a href="/wiki/SPARK_(programming_language)" title="SPARK (programming language)">SPARK</a> – a programming language consisting of a highly restricted subset of Ada, annotated with meta-information describing desired component behavior and individual runtime requirements</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=GNAT&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output 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.id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.gnu.org/software/gcc/releases.html">"GCC Releases - GNU Project"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=GCC+Releases+-+GNU+Project&rft_id=https%3A%2F%2Fwww.gnu.org%2Fsoftware%2Fgcc%2Freleases.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNAT" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://docs.adacore.com/live/wave/gnat-release-notes/html/gnat_release_note/index.html">"GNAT Release Notes"</a>. <i>AdaCore</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=AdaCore&rft.atitle=GNAT+Release+Notes&rft_id=https%3A%2F%2Fdocs.adacore.com%2Flive%2Fwave%2Fgnat-release-notes%2Fhtml%2Fgnat_release_note%2Findex.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNAT" class="Z3988"></span></span> </li> <li id="cite_note-GCC_Runtime_Library_Exception-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-GCC_Runtime_Library_Exception_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-GCC_Runtime_Library_Exception_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.gnu.org/licenses/gcc-exception.html">"GCC Runtime Library Exception"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2013-02-28</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=GCC+Runtime+Library+Exception&rft_id=https%3A%2F%2Fwww.gnu.org%2Flicenses%2Fgcc-exception.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNAT" class="Z3988"></span></span> </li> <li id="cite_note-GNAT-Pro-Insider-2014-2015-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-GNAT-Pro-Insider-2014-2015_4-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.adacore.com/uploads/newsletter/GNAT_Pro_Insider_Autumn-Winter_2014-2015.pdf">GNAT Pro Insider</a> Autumn/Winter 2014–2015, p.1</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://gcc.gnu.org/ml/gcc-cvs/2001-10/msg00028.html">GCC CVS mailing list archive</a> "New language: Ada"</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.adacore.com/gnatpro/comparison">"GNAT Pro Comparison"</a>. <i>AdaCore</i><span class="reference-accessdate">. Retrieved <span class="nowrap">2021-08-17</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=AdaCore&rft.atitle=GNAT+Pro+Comparison&rft_id=https%3A%2F%2Fwww.adacore.com%2Fgnatpro%2Fcomparison&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNAT" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=GNAT&action=edit&section=6" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFMirandaSchonberg2004" class="citation book cs1">Miranda, Javier; Schonberg, Edmond (June 2004). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110707082206/https://www2.adacore.com/gap-static/GNAT_Book/html/index.htm"><i>GNAT: The GNU Ada Compiler</i></a>. Archived from <a rel="nofollow" class="external text" href="https://www2.adacore.com/gap-static/GNAT_Book/html/index.htm">the original</a> on 2011-07-07<span class="reference-accessdate">. Retrieved <span class="nowrap">2008-06-06</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=GNAT%3A+The+GNU+Ada+Compiler&rft.date=2004-06&rft.aulast=Miranda&rft.aufirst=Javier&rft.au=Schonberg%2C+Edmond&rft_id=https%3A%2F%2Fwww2.adacore.com%2Fgap-static%2FGNAT_Book%2Fhtml%2Findex.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNAT" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFSchonbergBanner1994" class="citation conference cs1">Schonberg; Banner, Bernard (1994). <a rel="nofollow" class="external text" href="http://portal.acm.org/citation.cfm?id=197706">"The GNAT project"</a>. <i>Proceedings of the conference on TRI-Ada '94</i>. ACM. pp. <span class="nowrap">48–</span>57. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1145%2F197694.197706">10.1145/197694.197706</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0897916662" title="Special:BookSources/0897916662"><bdi>0897916662</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">2008-06-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=conference&rft.atitle=The+GNAT+project&rft.btitle=Proceedings+of+the+conference+on+TRI-Ada+%2794&rft.pages=%3Cspan+class%3D%22nowrap%22%3E48-%3C%2Fspan%3E57&rft.pub=ACM&rft.date=1994&rft_id=info%3Adoi%2F10.1145%2F197694.197706&rft.isbn=0897916662&rft.au=Schonberg&rft.au=Banner%2C+Bernard&rft_id=http%3A%2F%2Fportal.acm.org%2Fcitation.cfm%3Fid%3D197706&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGNAT" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=GNAT&action=edit&section=7" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output 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Nursing">Nursing</a></li> <li><a href="/wiki/New_York_University_Institute_of_Fine_Arts" title="New York University Institute of Fine Arts">Fine Arts</a></li> <li><a href="/wiki/Steinhardt_School_of_Culture,_Education,_and_Human_Development" title="Steinhardt School of Culture, Education, and Human Development">Education</a></li> <li><a href="/wiki/Gallatin_School_of_Individualized_Study" title="Gallatin School of Individualized Study">Individualized Study</a></li> <li><a href="/wiki/New_York_University_School_of_Law" title="New York University School of Law">Law</a></li> <li><a href="/wiki/New_York_University_College_of_Dentistry" title="New York University College of Dentistry">Dentistry</a></li> <li><a href="/wiki/New_York_University_School_of_Professional_Studies" title="New York University School of Professional Studies">Professional Studies</a></li> <li><a href="/wiki/Wagner_Graduate_School_of_Public_Service" title="Wagner Graduate School of Public Service">Public Service</a></li> <li><a href="/wiki/New_York_University_Tandon_School_of_Engineering" title="New York University Tandon School of Engineering">Engineering</a></li> <li><a href="/wiki/New_York_University_Silver_School_of_Social_Work" title="New York University Silver School of Social Work">Social Work</a></li></ul> </div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="7" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Nyu_short_color.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Nyu_short_color.svg/100px-Nyu_short_color.svg.png" decoding="async" width="100" height="34" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Nyu_short_color.svg/150px-Nyu_short_color.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Nyu_short_color.svg/200px-Nyu_short_color.svg.png 2x" data-file-width="106" data-file-height="36" /></a></span><br /><span typeof="mw:File"><a href="/wiki/File:NYU3298.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/NYU3298.JPG/250px-NYU3298.JPG" decoding="async" width="150" height="113" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a5/NYU3298.JPG/330px-NYU3298.JPG 2x" data-file-width="1024" data-file-height="768" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#57068C;color:white;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%">Research</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Frederic_Ewen_Academic_Freedom_Center" title="Frederic Ewen Academic Freedom Center">Academic Freedom</a></li> <li><a href="/wiki/Center_on_the_Administration_of_Criminal_Law" title="Center on the Administration of Criminal Law">Administration of Criminal Law</a></li> <li><a href="/wiki/New_York_Institute_for_the_Humanities" title="New York Institute for the Humanities">Humanities</a></li> <li><a href="/wiki/Brennan_Center_for_Justice" title="Brennan Center for Justice">Justice</a></li> <li><a href="/wiki/Root-Tilden-Kern_Scholarship" title="Root-Tilden-Kern Scholarship">Law School Scholarship</a></li> <li><a href="/wiki/NYU_Tandon_School_of_Engineering_Lynford_Lecture_Series" title="NYU Tandon School of Engineering Lynford Lecture Series">Lynford Lectures</a></li> <li><a href="/wiki/New_York_University_Department_of_Philosophy" title="New York University Department of Philosophy">Philosophy</a></li> <li><a href="/wiki/Furman_Center_for_Real_Estate_and_Urban_Policy" title="Furman Center for Real Estate and Urban Policy">Real Estate and Urban Policy</a></li> <li><a href="/wiki/Rusk_Institute_of_Rehabilitation_Medicine" title="Rusk Institute of Rehabilitation Medicine">Rehabilitation Medicine</a></li> <li><a href="/wiki/NYU_Catherine_B._Reynolds_Program_for_Social_Entrepreneurship" class="mw-redirect" title="NYU Catherine B. Reynolds Program for Social Entrepreneurship">Social Entrepreneurship</a></li> <li><a href="/wiki/Rudin_Center_for_Transportation_Policy_%26_Management" title="Rudin Center for Transportation Policy & Management">Transportation</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#57068C;color:white;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%">Journals</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/New_York_University_Environmental_Law_Journal" title="New York University Environmental Law Journal">Environmental Law</a></i></li> <li><i><a href="/wiki/Journal_of_Intellectual_Property_and_Entertainment_Law" title="Journal of Intellectual Property and Entertainment Law">Intellectual Property and Entertainment Law</a></i></li> <li><i><a href="/wiki/New_York_University_Journal_of_International_Law_and_Politics" title="New York University Journal of International Law and Politics">International Law and Politics</a></i></li> <li><i><a href="/wiki/New_York_University_Journal_of_Law_%26_Business" title="New York University Journal of Law & Business">Law and Business</a></i></li> <li><i><a href="/wiki/New_York_University_Journal_of_Law_%26_Liberty" title="New York University Journal of Law & Liberty">Law and Liberty</a></i></li> <li><i><a href="/wiki/New_York_University_Law_Review" title="New York University Law Review">Law Review</a></i></li> <li><i><a href="/wiki/NYU_Annual_Survey_of_American_Law" title="NYU Annual Survey of American Law">Annual Survey of American Law</a></i></li> <li><i><a href="/wiki/Washington_Square_Review" title="Washington Square Review">Washington Square Review</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#57068C;color:white;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/NYU_Violets" title="NYU Violets"><span class="tmp-color" style="color:white">Athletics</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/NYU_Violets" title="NYU Violets">NYU Violets</a> <ul><li><a href="/wiki/NYU_Violets_men%27s_basketball" title="NYU Violets men's basketball">Men's basketball</a></li></ul></li> <li><a href="/wiki/Coles_Sports_and_Recreation_Center" title="Coles Sports and Recreation Center">Coles Sports and Recreation Center</a></li> <li><a href="/wiki/Deans%27_Cup" title="Deans' Cup">Deans' Cup</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#57068C;color:white;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/List_of_New_York_University_alumni" title="List of New York University alumni"><span class="tmp-color" style="color:white">People</span></a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_presidents_of_New_York_University" title="List of presidents of New York University">University president</a></li> <li><a href="/wiki/List_of_New_York_University_alumni" title="List of New York University alumni">Alumni</a></li> <li><a href="/wiki/List_of_New_York_University_faculty" title="List of New York University faculty">Faculty</a></li> <li><a href="/wiki/List_of_New_York_University_staff" title="List of New York University staff">Staff</a></li> <li><a href="/wiki/List_of_New_York_University_honorary_degree_recipients" title="List of New York University honorary degree recipients">Honorary degree recipients</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#57068C;color:white;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%"><a href="/wiki/Campus_of_New_York_University" title="Campus of New York University"><span class="tmp-color" style="color:white">Campus<br />at NYC</span></a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/370_Jay_Street" title="370 Jay Street">370 Jay Street</a></li> <li><a href="/wiki/Brown_Building_(Manhattan)" title="Brown Building (Manhattan)">Brown Building</a></li> <li><a href="/wiki/Casa_Italiana_Zerilli_Marim%C3%B2" class="mw-redirect" title="Casa Italiana Zerilli Marimò">Casa Italiana Zerilli Marimò</a></li> <li><a href="/wiki/Elmer_Holmes_Bobst_Library" title="Elmer Holmes Bobst Library">Elmer Holmes Bobst Library</a></li> <li><a href="/wiki/Fales_Library" title="Fales Library">Fales Library</a></li> <li><a href="/wiki/Gould_Plaza" title="Gould Plaza">Gould Plaza</a></li> <li><a href="/wiki/James_B._Duke_House" title="James B. Duke House">James B. Duke House</a></li> <li><a href="/wiki/La_Maison_Fran%C3%A7aise_(New_York_University)" title="La Maison Française (New York University)">La Maison Française</a></li> <li><a href="/wiki/NYU_Langone_Medical_Center" class="mw-redirect" title="NYU Langone Medical Center">Langone Medical Center</a></li> <li><a href="/wiki/Puck_Building" title="Puck Building">Puck Building</a></li> <li><a href="/wiki/New_York_University_residence_halls" title="New York University residence halls">Residence halls</a></li> <li><a href="/wiki/Silver_Center" title="Silver Center">Silver Center</a></li> <li><a href="/wiki/Skirball_Center_for_the_Performing_Arts" title="Skirball Center for the Performing Arts">Skirball Center for the Performing Arts</a></li> <li><a href="/wiki/Union_Square,_Manhattan" title="Union Square, Manhattan">Union Square</a></li> <li><a href="/wiki/University_Village_(Manhattan)" title="University Village (Manhattan)">University Village</a></li> <li><a href="/wiki/Washington_Mews" title="Washington Mews">Washington Mews</a></li> <li><a href="/wiki/Washington_Square_Park" title="Washington Square Park">Washington Square Park</a></li> <li><a href="/wiki/Washington_Square_Village" title="Washington Square Village">Washington Square Village</a></li> <li><a href="/wiki/Wunsch_Building" title="Wunsch Building">Wunsch Building</a></li> <li><a href="/wiki/Coles_Sports_and_Recreation_Center" title="Coles Sports and Recreation Center">Coles Sports and Recreation Center</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#57068C;color:white;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;;width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Eucleian_Society" title="Eucleian Society">Eucleian Society</a></li> <li><a href="/wiki/Graduate_Student_Organizing_Committee" title="Graduate Student Organizing Committee">Graduate Student Organizing Committee</a></li> <li><a href="/wiki/History_of_New_York_University" title="History of New York University">History of NYU</a></li> <li><i><a href="/wiki/NYU_Local" title="NYU Local">NYU Local</a></i></li> <li><a href="/wiki/Philomathean_Society_(New_York_University)" title="Philomathean Society (New York University)">Philomathean Society</a></li> <li><a href="/wiki/The_Plague_(magazine)" class="mw-redirect" title="The Plague (magazine)"><i>The Plague</i></a></li> <li><a href="/wiki/Red_Dragon_Society" title="Red Dragon Society">Red Dragon Society</a></li> <li><a href="/wiki/New_York_University#Student_life" title="New York University">Student life</a></li> <li><a href="/wiki/Student_Senators_Council_of_New_York_University" title="Student Senators Council of New York University">Student Senators Council</a></li> <li><i><a href="/wiki/Washington_Square_News" title="Washington Square News">Washington Square News</a></i></li> <li><a href="/wiki/WNYU-FM" title="WNYU-FM">WNYU-FM</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="3" style="background-color:#57068C;color:white;box-shadow: inset 2px 2px 0 #000000, inset -2px -2px 0 #000000;"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:New_York_University" title="Category:New York University"><span style="color:white">Category</span></a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=1" alt="" width="1" height="1" style="border: none; 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