1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" 2 "http://www.w3.org/TR/html4/strict.dtd"> 3 <html> 4 <head> 5 <META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> 6 <title>Clang - C++98 and C++11 Status</title> 7 <link type="text/css" rel="stylesheet" href="menu.css"> 8 <link type="text/css" rel="stylesheet" href="content.css"> 9 <style type="text/css"> 10 .none { background-color: #FFCCCC } 11 .svn { background-color: #FFFF99 } 12 .full { background-color: #CCFF99 } 13 .na { background-color: #DDDDDD } 14 th { background-color: #FFDDAA } 15 </style> 16 </head> 17 <body> 18 19 <!--#include virtual="menu.html.incl"--> 20 21 <div id="content"> 22 23 <!--*************************************************************************--> 24 <h1>C++98 and C++11 Support in Clang</h1> 25 <!--*************************************************************************--> 26 <p>Last updated: $Date$</p> 27 28 <h2 id="cxx98">C++98 implementation status</h2> 29 30 <p>Clang currently implements all of the ISO C++ 1998 standard 31 (including the defects addressed in the ISO C++ 2003 standard) 32 except for 'export' (which has been removed in C++11) 33 and is considered a production-quality C++ compiler. The <a 34 href="http://llvm.org/bugs/">LLVM bug tracker</a> contains a Clang 35 C++ component that tracks known Clang C++ bugs.</p> 36 37 <h2 id="cxx11">C++11 implementation status</h2> 38 39 <p>Clang provides support for a number of features included in the new <a href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=50372">ISO C++ Standard, ISO/IEC 14882:2011</a>. The following table describes which C++11 features have been implemented in Clang and in which Clang versions they became available.</p> 40 41 <p>You can use Clang in C++11 mode either 42 with <a href="http://libcxx.llvm.org/">libc++</a> or with gcc's libstdc++. 43 Patches are needed to make <a href="libstdc++4.4-clang0x.patch">libstdc++-4.4</a> 44 and <a href="libstdc++4.7-clang11.patch">libstdc++-4.7</a> work with Clang in 45 C++11 mode.</p> 46 47 <table width="689" border="1" cellspacing="0"> 48 <tr> 49 <th>Language Feature</th> 50 <th>C++11 Proposal</th> 51 <th>Available in Clang?</th> 52 </tr> 53 <tr> 54 <td>Rvalue references</td> 55 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n2118.html">N2118</a></td> 56 <td class="full" align="center">Clang 2.9</td> 57 </tr> 58 <tr> 59 <td> Rvalue references for <code>*this</code></td> 60 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2439.htm">N2439</a></td> 61 <td class="full" align="center">Clang 2.9</td> 62 </tr> 63 <tr> 64 <td>Initialization of class objects by rvalues</td> 65 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1610.html">N1610</a></td> 66 <td class="full" align="center">Clang 2.9</td> 67 </tr> 68 <tr> 69 <td>Non-static data member initializers</td> 70 <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2008/n2756.htm">N2756</a></td> 71 <td class="full" align="center">Clang 3.0</td> 72 </tr> 73 <tr> 74 <td>Variadic templates</td> 75 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2242.pdf">N2242</a></td> 76 <td class="full" align="center">Clang 2.9</td> 77 </tr> 78 <tr> 79 <td> Extending variadic template template parameters</td> 80 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2555.pdf">N2555</a></td> 81 <td class="full" align="center">Clang 2.9</td> 82 </tr> 83 <tr> 84 <td>Initializer lists</td> 85 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2672.htm">N2672</a></td> 86 <td class="svn" align="center">SVN</td> 87 </tr> 88 <tr> 89 <td>Static assertions</td> 90 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1720.html">N1720</a></td> 91 <td class="full" align="center">Clang 2.9</td> 92 </tr> 93 <tr> 94 <td><code>auto</code>-typed variables</td> 95 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1984.pdf">N1984</a></td> 96 <td class="full" align="center">Clang 2.9</td> 97 </tr> 98 <tr> 99 <td> Multi-declarator <code>auto</code></td> 100 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1737.pdf">N1737</a></td> 101 <td class="full" align="center">Clang 2.9</td> 102 </tr> 103 <tr> 104 <td> Removal of auto as a storage-class specifier</td> 105 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2546.htm">N2546</a></td> 106 <td class="full" align="center">Clang 2.9</td> 107 </tr> 108 <tr> 109 <td> New function declarator syntax</td> 110 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2541.htm">N2541</a></td> 111 <td class="full" align="center">Clang 2.9</td> 112 </tr> 113 <tr> 114 <td>Lambda expressions</td> 115 <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2927.pdf">N2927</a></td> 116 <td class="svn" align="center">SVN</td> 117 </tr> 118 <tr> 119 <td>Declared type of an expression</td> 120 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2343.pdf">N2343</a></td> 121 <td class="full" align="center">Clang 2.9</td> 122 </tr> 123 <tr> 124 <td> Incomplete return types</td> 125 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3276.pdf">N3276</a></td> 126 <td class="svn" align="center">SVN</td> 127 </tr> 128 <tr> 129 <td>Right angle brackets</td> 130 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1757.html">N1757</a></td> 131 <td class="full" align="center">Clang 2.9</td> 132 </tr> 133 <tr> 134 <td>Default template arguments for function templates</td> 135 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#226">DR226</a></td> 136 <td class="full" align="center">Clang 2.9</td> 137 </tr> 138 <tr> 139 <td>Solving the SFINAE problem for expressions</td> 140 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2634.html">DR339</a></td> 141 <td class="full" align="center">Clang 2.9</td> 142 </tr> 143 <tr> 144 <td>Alias templates</td> 145 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2258.pdf">N2258</a></td> 146 <td class="full" align="center">Clang 3.0</td> 147 </tr> 148 <tr> 149 <td>Extern templates</td> 150 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1987.htm">N1987</a></td> 151 <td class="full" align="center">Clang 2.9</td> 152 </tr> 153 <tr> 154 <td>Null pointer constant</td> 155 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf">N2431</a></td> 156 <td class="full" align="center">Clang 3.0</td> 157 </tr> 158 <tr> 159 <td>Strongly-typed enums</td> 160 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2347.pdf">N2347</a></td> 161 <td class="full" align="center">Clang 2.9</td> 162 </tr> 163 <tr> 164 <td>Forward declarations for enums</td> 165 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2764.pdf">N2764</a> 166 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1206">DR1206</a></td> 167 <td class="svn" align="center">SVN</td> 168 </tr> 169 <tr> 170 <td>Generalized attributes</td> 171 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2761.pdf">N2761</a></td> 172 <td class="none" align="center">No</td> 173 </tr> 174 <tr> 175 <td>Generalized constant expressions</td> 176 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2235.pdf">N2235</a></td> 177 <td class="svn" align="center">SVN</td> 178 </tr> 179 <tr> 180 <td>Alignment support</td> 181 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2341.pdf">N2341</a></td> 182 <td class="full" align="center">Clang 3.0</td> 183 </tr> 184 <!-- Skipped N1627: Conditionally-support behavior --> 185 <!-- Skipped N1727: Changing Undefined Behavior into Diagnosable Errors --> 186 <tr> 187 <td>Delegating constructors</td> 188 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1986.pdf">N1986</a></td> 189 <td class="full" align="center">Clang 3.0</td> 190 </tr> 191 <tr> 192 <td>Inheriting constructors</td> 193 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2540.htm">N2540</a></td> 194 <td class="none" align="center">No</td> 195 </tr> 196 <tr> 197 <td>Explicit conversion operators</td> 198 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2437.pdf">N2437</a></td> 199 <td class="full" align="center">Clang 3.0</td> 200 </tr> 201 <tr> 202 <td>New character types</td> 203 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2249.html">N2249</a></td> 204 <td class="full" align="center">Clang 2.9</td> 205 </tr> 206 <tr> 207 <td>Unicode string literals</td> 208 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2442.htm">N2442</a></td> 209 <td class="full" align="center">Clang 3.0</td> 210 </tr> 211 <tr> 212 <td>Raw string literals</td> 213 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2442.htm">N2442</a></td> 214 <td class="full" align="center">Clang 3.0</td> 215 </tr> 216 <tr> 217 <td>Universal character names in literals</td> 218 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2170.html">N2170</a></td> 219 <td class="svn" align="center">SVN</td> 220 </tr> 221 <tr> 222 <td>User-defined literals</td> 223 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2765.pdf">N2765</a></td> 224 <td class="svn" align="center">SVN</td> 225 </tr> 226 <tr> 227 <td>Standard Layout Types</td> 228 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2342.htm">N2342</a></td> 229 <td class="full" align="center">Clang 3.0</td> 230 </tr> 231 <tr> 232 <td>Defaulted functions</td> 233 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2346.htm">N2346</a></td> 234 <td class="full" align="center">Clang 3.0</td> 235 </tr> 236 <tr> 237 <td>Deleted functions</td> 238 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2346.htm">N2346</a></td> 239 <td class="full" align="center">Clang 2.9</td> 240 </tr> 241 <tr> 242 <td>Extended friend declarations</td> 243 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1791.pdf">N1791</a></td> 244 <td class="full" align="center">Clang 2.9</td> 245 </tr> 246 <tr> 247 <td>Extending <code>sizeof</code></td> 248 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2253.html">N2253</a> 249 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#850">DR850</a></td> 250 <td class="svn" align="center">SVN</td> 251 </tr> 252 <tr> 253 <td>Inline namespaces</td> 254 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2535.htm">N2535</a></td> 255 <td class="full" align="center">Clang 2.9</td> 256 </tr> 257 <tr> 258 <td>Unrestricted unions</td> 259 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2544.pdf">N2544</a></td> 260 <td class="svn" align="center">SVN</td> 261 </tr> 262 <tr> 263 <td>Local and unnamed types as template arguments</td> 264 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm">N2657</a></td> 265 <td class="full" align="center">Clang 2.9</td> 266 </tr> 267 <tr> 268 <td>Range-based for</td> 269 <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2930.html">N2930</a></td> 270 <td class="full" align="center">Clang 3.0</td> 271 </tr> 272 <tr> 273 <td>Explicit virtual overrides</td> 274 <td><a href="http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2009/n2928.htm">N2928</a> 275 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3206.htm">N3206</a> 276 <br><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3272.htm">N3272</a></td> 277 <td class="full" align="center">Clang 3.0</td> 278 </tr> 279 <tr> 280 <td>Minimal support for garbage collection and reachability-based leak detection</td> 281 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2670.htm">N2670</a></td> 282 <td class="na" align="center">N/A</td> 283 </tr> 284 <tr> 285 <td>Allowing move constructors to throw [noexcept]</td> 286 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3050.html">N3050</a></td> 287 <td class="full" align="center">Clang 3.0</td> 288 </tr> 289 <tr> 290 <td>Defining move special member functions</td> 291 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3053.html">N3053</a></td> 292 <td class="full" align="center">Clang 3.0</td> 293 </tr> 294 295 <tr class="separator"> 296 <th align="center" colspan="3">Concurrency</th> 297 </tr> 298 <tr> 299 <td>Sequence points</td> 300 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2239.html">N2239</a></td> 301 <td class="none" align="center">No</td> 302 </tr> 303 <tr> 304 <td>Atomic operations</td> 305 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2427.html">N2427</a></td> 306 <td class="svn" align="center">SVN</td> 307 </tr> 308 <tr> 309 <td>Strong Compare and Exchange</td> 310 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2748.html">N2748</a></td> 311 <td class="none" align="center">No</td> 312 </tr> 313 <tr> 314 <td>Bidirectional Fences</td> 315 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2752.htm">N2752</a></td> 316 <td class="svn" align="center">SVN</td> 317 </tr> 318 319 <tr> 320 <td>Memory model</td> 321 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2429.htm">N2429</a></td> 322 <td class="none" align="center">No</td> 323 </tr> 324 <tr> 325 <td>Data-dependency ordering: atomics and memory model</td> 326 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2664.htm">N2664</a></td> 327 <td class="none" align="center">No</td> 328 </tr> 329 <tr> 330 <td>Propagating exceptions</td> 331 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2179.html">N2179</a></td> 332 <td class="full" align="center">Clang 2.9</td> 333 </tr> 334 <tr> 335 <td>Abandoning a process and at_quick_exit</td> 336 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2440.htm">N2440</a></td> 337 <td class="na" align="center">N/A</td> 338 </tr> 339 <tr> 340 <td>Allow atomics use in signal handlers</td> 341 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2547.htm">N2547</a></td> 342 <td class="svn" align="center">SVN</td> 343 </tr> 344 <tr> 345 <td>Thread-local storage</td> 346 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2659.htm">N2659</a></td> 347 <td class="none" align="center">No</td> 348 </tr> 349 <tr> 350 <td>Dynamic initialization and destruction with concurrency</td> 351 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2660.htm">N2660</a></td> 352 <td class="none" align="center">No</td> 353 </tr> 354 355 <tr class="separator"> 356 <th align="center" colspan="3">C99 Features in C++11</th> 357 </tr> 358 <tr> 359 <td><code>__func__</code> predefined identifier</td> 360 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2340.htm">N2340</a></td> 361 <td class="full" align="center">Clang 2.9</td> 362 </tr> 363 <tr> 364 <td>C99 preprocessor</td> 365 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2004/n1653.htm">N1653</a></td> 366 <td class="full" align="center">Clang 2.9</td> 367 </tr> 368 <tr> 369 <td><code>long long</code></td> 370 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1811.pdf">N1811</a></td> 371 <td class="full" align="center">Clang 2.9</td> 372 </tr> 373 <tr> 374 <td>Extended integral types</td> 375 <td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2006/n1988.pdf">N1988</a></td> 376 <td class="none" align="center">No</td> 377 </tr> 378 </table> 379 </div> 380 </body> 381 </html> 382
