diff options
Diffstat (limited to 'src/gcc')
| -rw-r--r-- | src/gcc/lib.rs.html | 1093 |
1 files changed, 1093 insertions, 0 deletions
diff --git a/src/gcc/lib.rs.html b/src/gcc/lib.rs.html new file mode 100644 index 0000000..40271e9 --- /dev/null +++ b/src/gcc/lib.rs.html @@ -0,0 +1,1093 @@ +<!DOCTYPE html> +<html lang="en"> +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + <meta name="generator" content="rustdoc"> + <meta name="description" content="Source to the Rust file `/home/travis/.cargo/registry/src/github.com-0a35038f75765ae4/gcc-0.3.8/src/lib.rs`."> + <meta name="keywords" content="rust, rustlang, rust-lang"> + + <title>lib.rs.html -- source</title> + + <link rel="stylesheet" type="text/css" href="../../main.css"> + + + +</head> +<body class="rustdoc"> + <!--[if lte IE 8]> + <div class="warning"> + This old browser is unsupported and will most likely display funky + things. + </div> + <![endif]--> + + + + <section class="sidebar"> + + + </section> + + <nav class="sub"> + <form class="search-form js-only"> + <div class="search-container"> + <input class="search-input" name="search" + autocomplete="off" + placeholder="Click or press 'S' to search, '?' for more options..." + type="search"> + </div> + </form> + </nav> + + <section id='main' class="content source"><pre class="line-numbers"><span id="1"> 1</span> +<span id="2"> 2</span> +<span id="3"> 3</span> +<span id="4"> 4</span> +<span id="5"> 5</span> +<span id="6"> 6</span> +<span id="7"> 7</span> +<span id="8"> 8</span> +<span id="9"> 9</span> +<span id="10"> 10</span> +<span id="11"> 11</span> +<span id="12"> 12</span> +<span id="13"> 13</span> +<span id="14"> 14</span> +<span id="15"> 15</span> +<span id="16"> 16</span> +<span id="17"> 17</span> +<span id="18"> 18</span> +<span id="19"> 19</span> +<span id="20"> 20</span> +<span id="21"> 21</span> +<span id="22"> 22</span> +<span id="23"> 23</span> +<span id="24"> 24</span> +<span id="25"> 25</span> +<span id="26"> 26</span> +<span id="27"> 27</span> +<span id="28"> 28</span> +<span id="29"> 29</span> +<span id="30"> 30</span> +<span id="31"> 31</span> +<span id="32"> 32</span> +<span id="33"> 33</span> +<span id="34"> 34</span> +<span id="35"> 35</span> +<span id="36"> 36</span> +<span id="37"> 37</span> +<span id="38"> 38</span> +<span id="39"> 39</span> +<span id="40"> 40</span> +<span id="41"> 41</span> +<span id="42"> 42</span> +<span id="43"> 43</span> +<span id="44"> 44</span> +<span id="45"> 45</span> +<span id="46"> 46</span> +<span id="47"> 47</span> +<span id="48"> 48</span> +<span id="49"> 49</span> +<span id="50"> 50</span> +<span id="51"> 51</span> +<span id="52"> 52</span> +<span id="53"> 53</span> +<span id="54"> 54</span> +<span id="55"> 55</span> +<span id="56"> 56</span> +<span id="57"> 57</span> +<span id="58"> 58</span> +<span id="59"> 59</span> +<span id="60"> 60</span> +<span id="61"> 61</span> +<span id="62"> 62</span> +<span id="63"> 63</span> +<span id="64"> 64</span> +<span id="65"> 65</span> +<span id="66"> 66</span> +<span id="67"> 67</span> +<span id="68"> 68</span> +<span id="69"> 69</span> +<span id="70"> 70</span> +<span id="71"> 71</span> +<span id="72"> 72</span> +<span id="73"> 73</span> +<span id="74"> 74</span> +<span id="75"> 75</span> +<span id="76"> 76</span> +<span id="77"> 77</span> +<span id="78"> 78</span> +<span id="79"> 79</span> +<span id="80"> 80</span> +<span id="81"> 81</span> +<span id="82"> 82</span> +<span id="83"> 83</span> +<span id="84"> 84</span> +<span id="85"> 85</span> +<span id="86"> 86</span> +<span id="87"> 87</span> +<span id="88"> 88</span> +<span id="89"> 89</span> +<span id="90"> 90</span> +<span id="91"> 91</span> +<span id="92"> 92</span> +<span id="93"> 93</span> +<span id="94"> 94</span> +<span id="95"> 95</span> +<span id="96"> 96</span> +<span id="97"> 97</span> +<span id="98"> 98</span> +<span id="99"> 99</span> +<span id="100">100</span> +<span id="101">101</span> +<span id="102">102</span> +<span id="103">103</span> +<span id="104">104</span> +<span id="105">105</span> +<span id="106">106</span> +<span id="107">107</span> +<span id="108">108</span> +<span id="109">109</span> +<span id="110">110</span> +<span id="111">111</span> +<span id="112">112</span> +<span id="113">113</span> +<span id="114">114</span> +<span id="115">115</span> +<span id="116">116</span> +<span id="117">117</span> +<span id="118">118</span> +<span id="119">119</span> +<span id="120">120</span> +<span id="121">121</span> +<span id="122">122</span> +<span id="123">123</span> +<span id="124">124</span> +<span id="125">125</span> +<span id="126">126</span> +<span id="127">127</span> +<span id="128">128</span> +<span id="129">129</span> +<span id="130">130</span> +<span id="131">131</span> +<span id="132">132</span> +<span id="133">133</span> +<span id="134">134</span> +<span id="135">135</span> +<span id="136">136</span> +<span id="137">137</span> +<span id="138">138</span> +<span id="139">139</span> +<span id="140">140</span> +<span id="141">141</span> +<span id="142">142</span> +<span id="143">143</span> +<span id="144">144</span> +<span id="145">145</span> +<span id="146">146</span> +<span id="147">147</span> +<span id="148">148</span> +<span id="149">149</span> +<span id="150">150</span> +<span id="151">151</span> +<span id="152">152</span> +<span id="153">153</span> +<span id="154">154</span> +<span id="155">155</span> +<span id="156">156</span> +<span id="157">157</span> +<span id="158">158</span> +<span id="159">159</span> +<span id="160">160</span> +<span id="161">161</span> +<span id="162">162</span> +<span id="163">163</span> +<span id="164">164</span> +<span id="165">165</span> +<span id="166">166</span> +<span id="167">167</span> +<span id="168">168</span> +<span id="169">169</span> +<span id="170">170</span> +<span id="171">171</span> +<span id="172">172</span> +<span id="173">173</span> +<span id="174">174</span> +<span id="175">175</span> +<span id="176">176</span> +<span id="177">177</span> +<span id="178">178</span> +<span id="179">179</span> +<span id="180">180</span> +<span id="181">181</span> +<span id="182">182</span> +<span id="183">183</span> +<span id="184">184</span> +<span id="185">185</span> +<span id="186">186</span> +<span id="187">187</span> +<span id="188">188</span> +<span id="189">189</span> +<span id="190">190</span> +<span id="191">191</span> +<span id="192">192</span> +<span id="193">193</span> +<span id="194">194</span> +<span id="195">195</span> +<span id="196">196</span> +<span id="197">197</span> +<span id="198">198</span> +<span id="199">199</span> +<span id="200">200</span> +<span id="201">201</span> +<span id="202">202</span> +<span id="203">203</span> +<span id="204">204</span> +<span id="205">205</span> +<span id="206">206</span> +<span id="207">207</span> +<span id="208">208</span> +<span id="209">209</span> +<span id="210">210</span> +<span id="211">211</span> +<span id="212">212</span> +<span id="213">213</span> +<span id="214">214</span> +<span id="215">215</span> +<span id="216">216</span> +<span id="217">217</span> +<span id="218">218</span> +<span id="219">219</span> +<span id="220">220</span> +<span id="221">221</span> +<span id="222">222</span> +<span id="223">223</span> +<span id="224">224</span> +<span id="225">225</span> +<span id="226">226</span> +<span id="227">227</span> +<span id="228">228</span> +<span id="229">229</span> +<span id="230">230</span> +<span id="231">231</span> +<span id="232">232</span> +<span id="233">233</span> +<span id="234">234</span> +<span id="235">235</span> +<span id="236">236</span> +<span id="237">237</span> +<span id="238">238</span> +<span id="239">239</span> +<span id="240">240</span> +<span id="241">241</span> +<span id="242">242</span> +<span id="243">243</span> +<span id="244">244</span> +<span id="245">245</span> +<span id="246">246</span> +<span id="247">247</span> +<span id="248">248</span> +<span id="249">249</span> +<span id="250">250</span> +<span id="251">251</span> +<span id="252">252</span> +<span id="253">253</span> +<span id="254">254</span> +<span id="255">255</span> +<span id="256">256</span> +<span id="257">257</span> +<span id="258">258</span> +<span id="259">259</span> +<span id="260">260</span> +<span id="261">261</span> +<span id="262">262</span> +<span id="263">263</span> +<span id="264">264</span> +<span id="265">265</span> +<span id="266">266</span> +<span id="267">267</span> +<span id="268">268</span> +<span id="269">269</span> +<span id="270">270</span> +<span id="271">271</span> +<span id="272">272</span> +<span id="273">273</span> +<span id="274">274</span> +<span id="275">275</span> +<span id="276">276</span> +<span id="277">277</span> +<span id="278">278</span> +<span id="279">279</span> +<span id="280">280</span> +<span id="281">281</span> +<span id="282">282</span> +<span id="283">283</span> +<span id="284">284</span> +<span id="285">285</span> +<span id="286">286</span> +<span id="287">287</span> +<span id="288">288</span> +<span id="289">289</span> +<span id="290">290</span> +<span id="291">291</span> +<span id="292">292</span> +<span id="293">293</span> +<span id="294">294</span> +<span id="295">295</span> +<span id="296">296</span> +<span id="297">297</span> +<span id="298">298</span> +<span id="299">299</span> +<span id="300">300</span> +<span id="301">301</span> +<span id="302">302</span> +<span id="303">303</span> +<span id="304">304</span> +<span id="305">305</span> +<span id="306">306</span> +<span id="307">307</span> +<span id="308">308</span> +<span id="309">309</span> +<span id="310">310</span> +<span id="311">311</span> +<span id="312">312</span> +<span id="313">313</span> +<span id="314">314</span> +<span id="315">315</span> +<span id="316">316</span> +<span id="317">317</span> +<span id="318">318</span> +<span id="319">319</span> +<span id="320">320</span> +<span id="321">321</span> +<span id="322">322</span> +<span id="323">323</span> +<span id="324">324</span> +<span id="325">325</span> +<span id="326">326</span> +<span id="327">327</span> +<span id="328">328</span> +<span id="329">329</span> +<span id="330">330</span> +<span id="331">331</span> +<span id="332">332</span> +<span id="333">333</span> +<span id="334">334</span> +<span id="335">335</span> +<span id="336">336</span> +<span id="337">337</span> +<span id="338">338</span> +<span id="339">339</span> +<span id="340">340</span> +<span id="341">341</span> +<span id="342">342</span> +<span id="343">343</span> +<span id="344">344</span> +<span id="345">345</span> +<span id="346">346</span> +<span id="347">347</span> +<span id="348">348</span> +<span id="349">349</span> +<span id="350">350</span> +<span id="351">351</span> +<span id="352">352</span> +<span id="353">353</span> +<span id="354">354</span> +<span id="355">355</span> +<span id="356">356</span> +<span id="357">357</span> +<span id="358">358</span> +<span id="359">359</span> +<span id="360">360</span> +<span id="361">361</span> +<span id="362">362</span> +<span id="363">363</span> +<span id="364">364</span> +<span id="365">365</span> +<span id="366">366</span> +<span id="367">367</span> +<span id="368">368</span> +<span id="369">369</span> +<span id="370">370</span> +<span id="371">371</span> +<span id="372">372</span> +<span id="373">373</span> +<span id="374">374</span> +<span id="375">375</span> +<span id="376">376</span> +<span id="377">377</span> +<span id="378">378</span> +<span id="379">379</span> +<span id="380">380</span> +<span id="381">381</span> +<span id="382">382</span> +<span id="383">383</span> +<span id="384">384</span> +<span id="385">385</span> +<span id="386">386</span> +<span id="387">387</span> +<span id="388">388</span> +<span id="389">389</span> +<span id="390">390</span> +<span id="391">391</span> +<span id="392">392</span> +<span id="393">393</span> +<span id="394">394</span> +<span id="395">395</span> +<span id="396">396</span> +<span id="397">397</span> +<span id="398">398</span> +<span id="399">399</span> +<span id="400">400</span> +<span id="401">401</span> +<span id="402">402</span> +<span id="403">403</span> +<span id="404">404</span> +<span id="405">405</span> +<span id="406">406</span> +<span id="407">407</span> +<span id="408">408</span> +<span id="409">409</span> +<span id="410">410</span> +<span id="411">411</span> +<span id="412">412</span> +<span id="413">413</span> +<span id="414">414</span> +<span id="415">415</span> +<span id="416">416</span> +<span id="417">417</span> +<span id="418">418</span> +<span id="419">419</span> +<span id="420">420</span> +<span id="421">421</span> +<span id="422">422</span> +<span id="423">423</span> +<span id="424">424</span> +<span id="425">425</span> +<span id="426">426</span> +<span id="427">427</span> +<span id="428">428</span> +<span id="429">429</span> +<span id="430">430</span> +<span id="431">431</span> +<span id="432">432</span> +<span id="433">433</span> +<span id="434">434</span> +<span id="435">435</span> +<span id="436">436</span> +<span id="437">437</span> +<span id="438">438</span> +<span id="439">439</span> +<span id="440">440</span> +<span id="441">441</span> +<span id="442">442</span> +<span id="443">443</span> +<span id="444">444</span> +<span id="445">445</span> +<span id="446">446</span> +<span id="447">447</span> +<span id="448">448</span> +<span id="449">449</span> +<span id="450">450</span> +<span id="451">451</span> +<span id="452">452</span> +<span id="453">453</span> +<span id="454">454</span> +<span id="455">455</span> +<span id="456">456</span> +<span id="457">457</span> +<span id="458">458</span> +<span id="459">459</span> +<span id="460">460</span> +<span id="461">461</span> +<span id="462">462</span> +<span id="463">463</span> +<span id="464">464</span> +<span id="465">465</span> +<span id="466">466</span> +<span id="467">467</span> +<span id="468">468</span> +<span id="469">469</span> +<span id="470">470</span> +<span id="471">471</span> +<span id="472">472</span> +<span id="473">473</span> +<span id="474">474</span> +<span id="475">475</span> +<span id="476">476</span> +<span id="477">477</span> +<span id="478">478</span> +<span id="479">479</span> +<span id="480">480</span> +<span id="481">481</span> +<span id="482">482</span> +<span id="483">483</span> +<span id="484">484</span> +<span id="485">485</span> +<span id="486">486</span> +<span id="487">487</span> +<span id="488">488</span> +<span id="489">489</span> +<span id="490">490</span> +<span id="491">491</span> +<span id="492">492</span> +<span id="493">493</span> +<span id="494">494</span> +<span id="495">495</span> +<span id="496">496</span> +<span id="497">497</span> +<span id="498">498</span> +</pre><pre class='rust '> +<span class='doccomment'>//! A library for build scripts to compile custom C code</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! This library is intended to be used as a `build-dependencies` entry in</span> +<span class='doccomment'>//! `Cargo.toml`:</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! ```toml</span> +<span class='doccomment'>//! [build-dependencies]</span> +<span class='doccomment'>//! gcc = "0.2"</span> +<span class='doccomment'>//! ```</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! The purpose of this crate is to provide the utility functions necessary to</span> +<span class='doccomment'>//! compile C code into a static archive which is then linked into a Rust crate.</span> +<span class='doccomment'>//! The top-level `compile_library` function serves as a convenience and more</span> +<span class='doccomment'>//! advanced configuration is available through the `Config` builder.</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! This crate will automatically detect situations such as cross compilation or</span> +<span class='doccomment'>//! other environment variables set by Cargo and will build code appropriately.</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! # Examples</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! Use the default configuration:</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! ```no_run</span> +<span class='doccomment'>//! extern crate gcc;</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! fn main() {</span> +<span class='doccomment'>//! gcc::compile_library("libfoo.a", &["src/foo.c"]);</span> +<span class='doccomment'>//! }</span> +<span class='doccomment'>//! ```</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! Use more advanced configuration:</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! ```no_run</span> +<span class='doccomment'>//! extern crate gcc;</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! fn main() {</span> +<span class='doccomment'>//! gcc::Config::new()</span> +<span class='doccomment'>//! .file("src/foo.c")</span> +<span class='doccomment'>//! .define("FOO", Some("bar"))</span> +<span class='doccomment'>//! .include("src")</span> +<span class='doccomment'>//! .compile("libfoo.a");</span> +<span class='doccomment'>//! }</span> +<span class='doccomment'>//! ```</span> + +<span class='attribute'>#<span class='op'>!</span>[<span class='ident'>doc</span>(<span class='ident'>html_root_url</span> <span class='op'>=</span> <span class='string'>"http://alexcrichton.com/gcc-rs"</span>)]</span> +<span class='attribute'>#<span class='op'>!</span>[<span class='ident'>cfg_attr</span>(<span class='ident'>test</span>, <span class='ident'>deny</span>(<span class='ident'>warnings</span>))]</span> + +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>env</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ffi</span>::<span class='ident'>OsString</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fs</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>io</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>path</span>::{<span class='ident'>PathBuf</span>, <span class='ident'>Path</span>}; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>process</span>::{<span class='ident'>Command</span>, <span class='ident'>Stdio</span>}; + +<span class='doccomment'>/// Extra configuration to pass to gcc.</span> +<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Config</span> { + <span class='ident'>include_directories</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, + <span class='ident'>definitions</span>: <span class='ident'>Vec</span><span class='op'><</span>(<span class='ident'>String</span>, <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span>)<span class='op'>></span>, + <span class='ident'>objects</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, + <span class='ident'>flags</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span>, + <span class='ident'>files</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, + <span class='ident'>cpp</span>: <span class='ident'>bool</span>, + <span class='ident'>cpp_link_stdlib</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span>, + <span class='ident'>cpp_set_stdlib</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span>, +} + +<span class='doccomment'>/// Returns the default C++ standard library for the current target: `libc++`</span> +<span class='doccomment'>/// for OS X and `libstdc++` for anything else.</span> +<span class='kw'>fn</span> <span class='ident'>target_default_cpp_stdlib</span>() <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>target</span> <span class='op'>=</span> <span class='ident'>getenv_unwrap</span>(<span class='string'>"TARGET"</span>); + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) { + <span class='prelude-val'>None</span> + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"darwin"</span>) { + <span class='prelude-val'>Some</span>(<span class='string'>"c++"</span>) + } <span class='kw'>else</span> { + <span class='prelude-val'>Some</span>(<span class='string'>"stdc++"</span>) + } +} + +<span class='kw'>fn</span> <span class='ident'>getenv</span>(<span class='ident'>v</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>env</span>::<span class='ident'>var</span>(<span class='ident'>v</span>).<span class='ident'>ok</span>(); + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"{} = {:?}"</span>, <span class='ident'>v</span>, <span class='ident'>r</span>); + <span class='ident'>r</span> +} + +<span class='kw'>fn</span> <span class='ident'>getenv_unwrap</span>(<span class='ident'>v</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>String</span> { + <span class='kw'>match</span> <span class='ident'>getenv</span>(<span class='ident'>v</span>) { + <span class='prelude-val'>Some</span>(<span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>, + <span class='prelude-val'>None</span> <span class='op'>=></span> <span class='ident'>fail</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"environment variable `{}` not defined"</span>, <span class='ident'>v</span>)), + } +} + +<span class='doccomment'>/// Compile a library from the given set of input C files.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// This will simply compile all files into object files and then assemble them</span> +<span class='doccomment'>/// into the output. This will read the standard environment variables to detect</span> +<span class='doccomment'>/// cross compilations and such.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// This function will also print all metadata on standard output for Cargo.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// # Example</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// ```no_run</span> +<span class='doccomment'>/// gcc::compile_library("libfoo.a", &["foo.c", "bar.c"]);</span> +<span class='doccomment'>/// ```</span> +<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>compile_library</span>(<span class='ident'>output</span>: <span class='kw-2'>&</span><span class='ident'>str</span>, <span class='ident'>files</span>: <span class='kw-2'>&</span>[<span class='kw-2'>&</span><span class='ident'>str</span>]) { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>c</span> <span class='op'>=</span> <span class='ident'>Config</span>::<span class='ident'>new</span>(); + <span class='kw'>for</span> <span class='ident'>f</span> <span class='kw'>in</span> <span class='ident'>files</span>.<span class='ident'>iter</span>() { + <span class='ident'>c</span>.<span class='ident'>file</span>(<span class='op'>*</span><span class='ident'>f</span>); + } + <span class='ident'>c</span>.<span class='ident'>compile</span>(<span class='ident'>output</span>) +} + +<span class='kw'>impl</span> <span class='ident'>Config</span> { + <span class='doccomment'>/// Construct a new instance of a blank set of configuration.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// This builder is finished with the `compile` function.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>() <span class='op'>-></span> <span class='ident'>Config</span> { + <span class='ident'>Config</span> { + <span class='ident'>include_directories</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>definitions</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>objects</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>flags</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>files</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>cpp</span>: <span class='boolval'>false</span>, + <span class='ident'>cpp_link_stdlib</span>: <span class='ident'>target_default_cpp_stdlib</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>s</span><span class='op'>|</span> <span class='ident'>s</span>.<span class='ident'>into</span>()), + <span class='ident'>cpp_set_stdlib</span>: <span class='prelude-val'>None</span>, + } + } + + <span class='doccomment'>/// Add a directory to the `-I` or include path for headers</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>include</span><span class='op'><</span><span class='ident'>P</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>Path</span><span class='op'>>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>dir</span>: <span class='ident'>P</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Config</span> { + <span class='self'>self</span>.<span class='ident'>include_directories</span>.<span class='ident'>push</span>(<span class='ident'>dir</span>.<span class='ident'>as_ref</span>().<span class='ident'>to_path_buf</span>()); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Specify a `-D` variable with an optional value.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>define</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>var</span>: <span class='kw-2'>&</span><span class='ident'>str</span>, <span class='ident'>val</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span><span class='ident'>str</span><span class='op'>></span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Config</span> { + <span class='self'>self</span>.<span class='ident'>definitions</span>.<span class='ident'>push</span>((<span class='ident'>var</span>.<span class='ident'>to_string</span>(), <span class='ident'>val</span>.<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>s</span><span class='op'>|</span> <span class='ident'>s</span>.<span class='ident'>to_string</span>()))); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Add an arbitrary object file to link in</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>object</span><span class='op'><</span><span class='ident'>P</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>Path</span><span class='op'>>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>obj</span>: <span class='ident'>P</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Config</span> { + <span class='self'>self</span>.<span class='ident'>objects</span>.<span class='ident'>push</span>(<span class='ident'>obj</span>.<span class='ident'>as_ref</span>().<span class='ident'>to_path_buf</span>()); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Add an arbitrary flag to the invocation of the compiler</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>flag</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>flag</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Config</span> { + <span class='self'>self</span>.<span class='ident'>flags</span>.<span class='ident'>push</span>(<span class='ident'>flag</span>.<span class='ident'>to_string</span>()); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Add a file which will be compiled</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>file</span><span class='op'><</span><span class='ident'>P</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>Path</span><span class='op'>>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>p</span>: <span class='ident'>P</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Config</span> { + <span class='self'>self</span>.<span class='ident'>files</span>.<span class='ident'>push</span>(<span class='ident'>p</span>.<span class='ident'>as_ref</span>().<span class='ident'>to_path_buf</span>()); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Set C++ support.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// The other `cpp_*` options will only become active if this is set to</span> + <span class='doccomment'>/// `true`.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>cpp</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>cpp</span>: <span class='ident'>bool</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Config</span> { + <span class='self'>self</span>.<span class='ident'>cpp</span> <span class='op'>=</span> <span class='ident'>cpp</span>; + <span class='self'>self</span> + } + + <span class='doccomment'>/// Set the standard library to link against when compiling with C++</span> + <span class='doccomment'>/// support.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// The default value of this property depends on the current target: On</span> + <span class='doccomment'>/// OS X `Some("c++")` is used, when compiling for a Visual Studio based</span> + <span class='doccomment'>/// target `None` is used and for other targets `Some("stdc++")` is used.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// A value of `None` indicates that no automatic linking should happen,</span> + <span class='doccomment'>/// otherwise cargo will link against the specified library.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// The given library name must not contain the `lib` prefix.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>cpp_link_stdlib</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>cpp_link_stdlib</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span><span class='ident'>str</span><span class='op'>></span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Config</span> { + <span class='self'>self</span>.<span class='ident'>cpp_link_stdlib</span> <span class='op'>=</span> <span class='ident'>cpp_link_stdlib</span>.<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>s</span><span class='op'>|</span> <span class='ident'>s</span>.<span class='ident'>into</span>()); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Force the C++ compiler to use the specified standard library.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// Setting this option will automatically set `cpp_link_stdlib` to the same</span> + <span class='doccomment'>/// value.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// The default value of this option is always `None`.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// This option has no effect when compiling for a Visual Studio based</span> + <span class='doccomment'>/// target.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// This option sets the `-stdlib` flag, which is only supported by some</span> + <span class='doccomment'>/// compilers (clang, icc) but not by others (gcc). The library will not</span> + <span class='doccomment'>/// detect which compiler is used, as such it is the responsibility of the</span> + <span class='doccomment'>/// caller to ensure that this option is only used in conjuction with a</span> + <span class='doccomment'>/// compiler which supports the `-stdlib` flag.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// A value of `None` indicates that no specific C++ standard library should</span> + <span class='doccomment'>/// be used, otherwise `-stdlib` is added to the compile invocation.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// The given library name must not contain the `lib` prefix.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>cpp_set_stdlib</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>cpp_set_stdlib</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span><span class='ident'>str</span><span class='op'>></span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Config</span> { + <span class='self'>self</span>.<span class='ident'>cpp_set_stdlib</span> <span class='op'>=</span> <span class='ident'>cpp_set_stdlib</span>.<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>s</span><span class='op'>|</span> <span class='ident'>s</span>.<span class='ident'>into</span>()); + + <span class='self'>self</span>.<span class='ident'>cpp_link_stdlib</span>(<span class='ident'>cpp_set_stdlib</span>); + + <span class='self'>self</span> + } + + <span class='doccomment'>/// Run the compiler, generating the file `output`</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// The name `output` must begin with `lib` and end with `.a`</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>compile</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>output</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) { + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>output</span>.<span class='ident'>starts_with</span>(<span class='string'>"lib"</span>)); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>output</span>.<span class='ident'>ends_with</span>(<span class='string'>".a"</span>)); + <span class='kw'>let</span> <span class='ident'>lib_name</span> <span class='op'>=</span> <span class='kw-2'>&</span><span class='ident'>output</span>[<span class='number'>3</span>..<span class='ident'>output</span>.<span class='ident'>len</span>() <span class='op'>-</span> <span class='number'>2</span>]; + + <span class='kw'>let</span> <span class='ident'>target</span> <span class='op'>=</span> <span class='ident'>getenv_unwrap</span>(<span class='string'>"TARGET"</span>); + <span class='kw'>let</span> <span class='ident'>src</span> <span class='op'>=</span> <span class='ident'>PathBuf</span>::<span class='ident'>from</span>(<span class='ident'>getenv_unwrap</span>(<span class='string'>"CARGO_MANIFEST_DIR"</span>)); + <span class='kw'>let</span> <span class='ident'>dst</span> <span class='op'>=</span> <span class='ident'>PathBuf</span>::<span class='ident'>from</span>(<span class='ident'>getenv_unwrap</span>(<span class='string'>"OUT_DIR"</span>)); + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>objects</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>new</span>(); + <span class='kw'>for</span> <span class='ident'>file</span> <span class='kw'>in</span> <span class='self'>self</span>.<span class='ident'>files</span>.<span class='ident'>iter</span>() { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>cmd</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>compile_cmd</span>(<span class='kw-2'>&</span><span class='ident'>target</span>); + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='ident'>src</span>.<span class='ident'>join</span>(<span class='ident'>file</span>)); + + <span class='kw'>let</span> <span class='ident'>obj</span> <span class='op'>=</span> <span class='ident'>dst</span>.<span class='ident'>join</span>(<span class='ident'>file</span>).<span class='ident'>with_extension</span>(<span class='string'>"o"</span>); + <span class='ident'>fs</span>::<span class='ident'>create_dir_all</span>(<span class='kw-2'>&</span><span class='ident'>obj</span>.<span class='ident'>parent</span>().<span class='ident'>unwrap</span>()).<span class='ident'>unwrap</span>(); + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>s</span> <span class='op'>=</span> <span class='ident'>OsString</span>::<span class='ident'>from</span>(<span class='string'>"/Fo:"</span>); + <span class='ident'>s</span>.<span class='ident'>push</span>(<span class='kw-2'>&</span><span class='ident'>obj</span>); + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='ident'>s</span>); + } <span class='kw'>else</span> { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"-o"</span>).<span class='ident'>arg</span>(<span class='kw-2'>&</span><span class='ident'>obj</span>); + } + <span class='ident'>run</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>cmd</span>, <span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>compiler</span>(<span class='kw-2'>&</span><span class='ident'>target</span>)); + <span class='ident'>objects</span>.<span class='ident'>push</span>(<span class='ident'>obj</span>); + } + + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>out</span> <span class='op'>=</span> <span class='ident'>OsString</span>::<span class='ident'>from</span>(<span class='string'>"/OUT:"</span>); + <span class='ident'>out</span>.<span class='ident'>push</span>(<span class='ident'>dst</span>.<span class='ident'>join</span>(<span class='ident'>output</span>)); + <span class='ident'>run</span>(<span class='ident'>Command</span>::<span class='ident'>new</span>(<span class='string'>"lib"</span>).<span class='ident'>arg</span>(<span class='ident'>out</span>).<span class='ident'>args</span>(<span class='kw-2'>&</span><span class='ident'>objects</span>).<span class='ident'>args</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>objects</span>), + <span class='string'>"lib"</span>); + + <span class='comment'>// The Rust compiler will look for libfoo.a and foo.lib, but the</span> + <span class='comment'>// MSVC linker will also be passed foo.lib, so be sure that both</span> + <span class='comment'>// exist for now.</span> + <span class='kw'>let</span> <span class='ident'>lib_dst</span> <span class='op'>=</span> <span class='ident'>dst</span>.<span class='ident'>join</span>(<span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}.lib"</span>, <span class='ident'>lib_name</span>)); + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>fs</span>::<span class='ident'>remove_file</span>(<span class='kw-2'>&</span><span class='ident'>lib_dst</span>); + <span class='ident'>fs</span>::<span class='ident'>hard_link</span>(<span class='ident'>dst</span>.<span class='ident'>join</span>(<span class='ident'>output</span>), <span class='ident'>lib_dst</span>).<span class='ident'>unwrap</span>(); + } <span class='kw'>else</span> { + <span class='ident'>run</span>(<span class='ident'>Command</span>::<span class='ident'>new</span>(<span class='kw-2'>&</span><span class='ident'>ar</span>(<span class='kw-2'>&</span><span class='ident'>target</span>)).<span class='ident'>arg</span>(<span class='string'>"crus"</span>) + .<span class='ident'>arg</span>(<span class='kw-2'>&</span><span class='ident'>dst</span>.<span class='ident'>join</span>(<span class='ident'>output</span>)) + .<span class='ident'>args</span>(<span class='kw-2'>&</span><span class='ident'>objects</span>) + .<span class='ident'>args</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>objects</span>), + <span class='kw-2'>&</span><span class='ident'>ar</span>(<span class='kw-2'>&</span><span class='ident'>target</span>)); + } + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"cargo:rustc-link-search=native={}"</span>, <span class='ident'>dst</span>.<span class='ident'>display</span>()); + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"cargo:rustc-link-lib=static={}"</span>, + <span class='kw-2'>&</span><span class='ident'>output</span>[<span class='number'>3</span>..<span class='ident'>output</span>.<span class='ident'>len</span>() <span class='op'>-</span> <span class='number'>2</span>]); + + <span class='comment'>// Add specific C++ libraries, if enabled.</span> + <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>cpp</span> { + <span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='kw-2'>ref</span> <span class='ident'>stdlib</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>cpp_link_stdlib</span> { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"cargo:rustc-link-lib={}"</span>, <span class='ident'>stdlib</span>); + } + } + } + + <span class='kw'>fn</span> <span class='ident'>compiler</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>target</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>String</span> { + <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>cpp</span> { + <span class='ident'>gxx</span>(<span class='ident'>target</span>) + } <span class='kw'>else</span> { + <span class='ident'>gcc</span>(<span class='ident'>target</span>) + } + } + + <span class='kw'>fn</span> <span class='ident'>compile_flags</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span> { + <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>cpp</span> { + <span class='ident'>cxxflags</span>() + } <span class='kw'>else</span> { + <span class='ident'>cflags</span>() + } + } + + <span class='kw'>fn</span> <span class='ident'>compile_cmd</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>target</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>Command</span> { + <span class='kw'>let</span> <span class='ident'>opt_level</span> <span class='op'>=</span> <span class='ident'>getenv_unwrap</span>(<span class='string'>"OPT_LEVEL"</span>); + <span class='kw'>let</span> <span class='ident'>profile</span> <span class='op'>=</span> <span class='ident'>getenv_unwrap</span>(<span class='string'>"PROFILE"</span>); + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"{} {}"</span>, <span class='ident'>profile</span>, <span class='ident'>opt_level</span>); + + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>cmd</span> <span class='op'>=</span> <span class='ident'>Command</span>::<span class='ident'>new</span>(<span class='self'>self</span>.<span class='ident'>compiler</span>(<span class='kw-2'>&</span><span class='ident'>target</span>)); + + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"/c"</span>); + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"/MD"</span>); <span class='comment'>// link against msvcrt.dll for now</span> + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"/O{}"</span>, <span class='ident'>opt_level</span>)); + } <span class='kw'>else</span> { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"-O{}"</span>, <span class='ident'>opt_level</span>)); + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"-c"</span>); + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"-ffunction-sections"</span>).<span class='ident'>arg</span>(<span class='string'>"-fdata-sections"</span>); + } + <span class='ident'>cmd</span>.<span class='ident'>args</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>compile_flags</span>()); + + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"-ios"</span>) { + <span class='ident'>cmd</span>.<span class='ident'>args</span>(<span class='kw-2'>&</span><span class='ident'>ios_flags</span>(<span class='kw-2'>&</span><span class='ident'>target</span>)); + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) { + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"windows"</span>) { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"-mwin32"</span>); + } + + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"i686"</span>) { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"-m32"</span>); + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"x86_64"</span>) { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"-m64"</span>); + } + + <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"i686"</span>) { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"-fPIC"</span>); + } + } + + <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>cpp</span> <span class='op'>&&</span> <span class='op'>!</span><span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) { + <span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='kw-2'>ref</span> <span class='ident'>stdlib</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>cpp_set_stdlib</span> { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"-stdlib=lib{}"</span>, <span class='ident'>stdlib</span>)); + } + } + + <span class='kw'>for</span> <span class='ident'>directory</span> <span class='kw'>in</span> <span class='self'>self</span>.<span class='ident'>include_directories</span>.<span class='ident'>iter</span>() { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) {<span class='string'>"/I"</span>} <span class='kw'>else</span> {<span class='string'>"-I"</span>}); + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='ident'>directory</span>); + } + + <span class='kw'>for</span> <span class='ident'>flag</span> <span class='kw'>in</span> <span class='self'>self</span>.<span class='ident'>flags</span>.<span class='ident'>iter</span>() { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='ident'>flag</span>); + } + + <span class='kw'>for</span> <span class='kw-2'>&</span>(<span class='kw-2'>ref</span> <span class='ident'>key</span>, <span class='kw-2'>ref</span> <span class='ident'>value</span>) <span class='kw'>in</span> <span class='self'>self</span>.<span class='ident'>definitions</span>.<span class='ident'>iter</span>() { + <span class='kw'>let</span> <span class='ident'>lead</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) {<span class='string'>"/"</span>} <span class='kw'>else</span> {<span class='string'>"-"</span>}; + <span class='kw'>if</span> <span class='kw'>let</span> <span class='kw-2'>&</span><span class='prelude-val'>Some</span>(<span class='kw-2'>ref</span> <span class='ident'>value</span>) <span class='op'>=</span> <span class='ident'>value</span> { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}D{}={}"</span>, <span class='ident'>lead</span>, <span class='ident'>key</span>, <span class='ident'>value</span>)); + } <span class='kw'>else</span> { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}D{}"</span>, <span class='ident'>lead</span>, <span class='ident'>key</span>)); + } + } + <span class='kw'>return</span> <span class='ident'>cmd</span>; + } +} + +<span class='kw'>fn</span> <span class='ident'>run</span>(<span class='ident'>cmd</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Command</span>, <span class='ident'>program</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"running: {:?}"</span>, <span class='ident'>cmd</span>); + <span class='kw'>let</span> <span class='ident'>status</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>cmd</span>.<span class='ident'>status</span>() { + <span class='prelude-val'>Ok</span>(<span class='ident'>status</span>) <span class='op'>=></span> <span class='ident'>status</span>, + <span class='prelude-val'>Err</span>(<span class='kw-2'>ref</span> <span class='ident'>e</span>) <span class='kw'>if</span> <span class='ident'>e</span>.<span class='ident'>kind</span>() <span class='op'>==</span> <span class='ident'>io</span>::<span class='ident'>ErrorKind</span>::<span class='ident'>NotFound</span> <span class='op'>=></span> { + <span class='kw'>let</span> <span class='ident'>extra</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>windows</span>) { + <span class='string'>" (see https://github.com/alexcrichton/gcc-rs#windows-notes \ + for help)"</span> + } <span class='kw'>else</span> { + <span class='string'>""</span> + }; + <span class='ident'>fail</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"failed to execute command: {}\nIs `{}` \ + not installed?{}"</span>, <span class='ident'>e</span>, <span class='ident'>program</span>, <span class='ident'>extra</span>)); + } + <span class='prelude-val'>Err</span>(<span class='ident'>e</span>) <span class='op'>=></span> <span class='ident'>fail</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"failed to execute command: {}"</span>, <span class='ident'>e</span>)), + }; + <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>status</span>.<span class='ident'>success</span>() { + <span class='ident'>fail</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"command did not execute successfully, got: {}"</span>, <span class='ident'>status</span>)); + } +} + +<span class='kw'>fn</span> <span class='ident'>get_var</span>(<span class='ident'>var_base</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>String</span>, <span class='ident'>String</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>target</span> <span class='op'>=</span> <span class='ident'>getenv_unwrap</span>(<span class='string'>"TARGET"</span>); + <span class='kw'>let</span> <span class='ident'>host</span> <span class='op'>=</span> <span class='ident'>getenv_unwrap</span>(<span class='string'>"HOST"</span>); + <span class='kw'>let</span> <span class='ident'>kind</span> <span class='op'>=</span> <span class='kw'>if</span> <span class='ident'>host</span> <span class='op'>==</span> <span class='ident'>target</span> {<span class='string'>"HOST"</span>} <span class='kw'>else</span> {<span class='string'>"TARGET"</span>}; + <span class='kw'>let</span> <span class='ident'>target_u</span> <span class='op'>=</span> <span class='ident'>target</span>.<span class='ident'>replace</span>(<span class='string'>"-"</span>, <span class='string'>"_"</span>); + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>getenv</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}_{}"</span>, <span class='ident'>var_base</span>, <span class='ident'>target</span>)) + .<span class='ident'>or_else</span>(<span class='op'>||</span> <span class='ident'>getenv</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}_{}"</span>, <span class='ident'>var_base</span>, <span class='ident'>target_u</span>))) + .<span class='ident'>or_else</span>(<span class='op'>||</span> <span class='ident'>getenv</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}_{}"</span>, <span class='ident'>kind</span>, <span class='ident'>var_base</span>))) + .<span class='ident'>or_else</span>(<span class='op'>||</span> <span class='ident'>getenv</span>(<span class='ident'>var_base</span>)); + + <span class='kw'>match</span> <span class='ident'>res</span> { + <span class='prelude-val'>Some</span>(<span class='ident'>res</span>) <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>res</span>), + <span class='prelude-val'>None</span> <span class='op'>=></span> <span class='prelude-val'>Err</span>(<span class='string'>"Could not get environment variable"</span>.<span class='ident'>to_string</span>()), + } +} + +<span class='kw'>fn</span> <span class='ident'>gcc</span>(<span class='ident'>target</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>String</span> { + <span class='kw'>let</span> <span class='ident'>is_android</span> <span class='op'>=</span> <span class='ident'>target</span>.<span class='ident'>find</span>(<span class='string'>"android"</span>).<span class='ident'>is_some</span>(); + + <span class='ident'>get_var</span>(<span class='string'>"CC"</span>).<span class='ident'>unwrap_or</span>(<span class='kw'>if</span> <span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>windows</span>) { + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) { + <span class='string'>"cl"</span>.<span class='ident'>to_string</span>() + } <span class='kw'>else</span> { + <span class='string'>"gcc"</span>.<span class='ident'>to_string</span>() + } + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>is_android</span> { + <span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}-gcc"</span>, <span class='ident'>target</span>) + } <span class='kw'>else</span> { + <span class='string'>"cc"</span>.<span class='ident'>to_string</span>() + }) +} + +<span class='kw'>fn</span> <span class='ident'>gxx</span>(<span class='ident'>target</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>String</span> { + <span class='kw'>let</span> <span class='ident'>is_android</span> <span class='op'>=</span> <span class='ident'>target</span>.<span class='ident'>find</span>(<span class='string'>"android"</span>).<span class='ident'>is_some</span>(); + + <span class='ident'>get_var</span>(<span class='string'>"CXX"</span>).<span class='ident'>unwrap_or</span>(<span class='kw'>if</span> <span class='macro'>cfg</span><span class='macro'>!</span>(<span class='ident'>windows</span>) { + <span class='kw'>if</span> <span class='ident'>target</span>.<span class='ident'>contains</span>(<span class='string'>"msvc"</span>) { + <span class='string'>"cl"</span>.<span class='ident'>to_string</span>() + } <span class='kw'>else</span> { + <span class='string'>"g++"</span>.<span class='ident'>to_string</span>() + } + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>is_android</span> { + <span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}-g++"</span>, <span class='ident'>target</span>) + } <span class='kw'>else</span> { + <span class='string'>"c++"</span>.<span class='ident'>to_string</span>() + }) +} + +<span class='kw'>fn</span> <span class='ident'>ar</span>(<span class='ident'>target</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>String</span> { + <span class='kw'>let</span> <span class='ident'>is_android</span> <span class='op'>=</span> <span class='ident'>target</span>.<span class='ident'>find</span>(<span class='string'>"android"</span>).<span class='ident'>is_some</span>(); + + <span class='ident'>get_var</span>(<span class='string'>"AR"</span>).<span class='ident'>unwrap_or</span>(<span class='kw'>if</span> <span class='ident'>is_android</span> { + <span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}-ar"</span>, <span class='ident'>target</span>) + } <span class='kw'>else</span> { + <span class='string'>"ar"</span>.<span class='ident'>to_string</span>() + }) +} + +<span class='kw'>fn</span> <span class='ident'>envflags</span>(<span class='ident'>name</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span> { + <span class='ident'>get_var</span>(<span class='ident'>name</span>).<span class='ident'>unwrap_or</span>(<span class='ident'>String</span>::<span class='ident'>new</span>()) + .<span class='ident'>split</span>(<span class='op'>|</span><span class='ident'>c</span>: <span class='ident'>char</span><span class='op'>|</span> <span class='ident'>c</span>.<span class='ident'>is_whitespace</span>()).<span class='ident'>filter</span>(<span class='op'>|</span><span class='ident'>s</span><span class='op'>|</span> <span class='op'>!</span><span class='ident'>s</span>.<span class='ident'>is_empty</span>()) + .<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>s</span><span class='op'>|</span> <span class='ident'>s</span>.<span class='ident'>to_string</span>()) + .<span class='ident'>collect</span>() +} + +<span class='kw'>fn</span> <span class='ident'>cflags</span>() <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span> { + <span class='ident'>envflags</span>(<span class='string'>"CFLAGS"</span>) +} + +<span class='kw'>fn</span> <span class='ident'>cxxflags</span>() <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span> { + <span class='ident'>envflags</span>(<span class='string'>"CXXFLAGS"</span>) +} + +<span class='kw'>fn</span> <span class='ident'>ios_flags</span>(<span class='ident'>target</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span> { + <span class='kw'>enum</span> <span class='ident'>ArchSpec</span> { + <span class='ident'>Device</span>(<span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>), + <span class='ident'>Simulator</span>(<span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>), + } + + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>new</span>(); + + <span class='kw'>let</span> <span class='ident'>arch</span> <span class='op'>=</span> <span class='ident'>target</span>.<span class='ident'>split</span>(<span class='string'>'-'</span>).<span class='ident'>nth</span>(<span class='number'>0</span>).<span class='ident'>expect</span>(<span class='string'>"expected target in format `arch-vendor-os`"</span>); + <span class='kw'>let</span> <span class='ident'>arch</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>arch</span> { + <span class='string'>"arm"</span> <span class='op'>|</span> <span class='string'>"armv7"</span> <span class='op'>|</span> <span class='string'>"thumbv7"</span> <span class='op'>=></span> <span class='ident'>ArchSpec</span>::<span class='ident'>Device</span>(<span class='string'>"armv7"</span>), + <span class='string'>"armv7s"</span> <span class='op'>|</span> <span class='string'>"thumbv7s"</span> <span class='op'>=></span> <span class='ident'>ArchSpec</span>::<span class='ident'>Device</span>(<span class='string'>"armv7s"</span>), + <span class='string'>"arm64"</span> <span class='op'>|</span> <span class='string'>"aarch64"</span> <span class='op'>=></span> <span class='ident'>ArchSpec</span>::<span class='ident'>Device</span>(<span class='string'>"arm64"</span>), + <span class='string'>"i386"</span> <span class='op'>|</span> <span class='string'>"i686"</span> <span class='op'>=></span> <span class='ident'>ArchSpec</span>::<span class='ident'>Simulator</span>(<span class='string'>"-m32"</span>), + <span class='string'>"x86_64"</span> <span class='op'>=></span> <span class='ident'>ArchSpec</span>::<span class='ident'>Simulator</span>(<span class='string'>"-m64"</span>), + _ <span class='op'>=></span> <span class='macro'>unreachable</span><span class='macro'>!</span>(<span class='string'>"Unknown arch for iOS target"</span>) + }; + + <span class='kw'>let</span> <span class='ident'>sdk</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>arch</span> { + <span class='ident'>ArchSpec</span>::<span class='ident'>Device</span>(<span class='ident'>arch</span>) <span class='op'>=></span> { + <span class='ident'>res</span>.<span class='ident'>push</span>(<span class='string'>"-arch"</span>.<span class='ident'>to_string</span>()); + <span class='ident'>res</span>.<span class='ident'>push</span>(<span class='ident'>arch</span>.<span class='ident'>to_string</span>()); + <span class='string'>"iphoneos"</span> + }, + <span class='ident'>ArchSpec</span>::<span class='ident'>Simulator</span>(<span class='ident'>arch</span>) <span class='op'>=></span> { + <span class='ident'>res</span>.<span class='ident'>push</span>(<span class='ident'>arch</span>.<span class='ident'>to_string</span>()); + <span class='string'>"iphonesimulator"</span> + } + }; + + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"Detecting iOS SDK path for {}"</span>, <span class='ident'>sdk</span>); + <span class='kw'>let</span> <span class='ident'>sdk_path</span> <span class='op'>=</span> <span class='ident'>Command</span>::<span class='ident'>new</span>(<span class='string'>"xcrun"</span>) + .<span class='ident'>arg</span>(<span class='string'>"--show-sdk-path"</span>) + .<span class='ident'>arg</span>(<span class='string'>"--sdk"</span>) + .<span class='ident'>arg</span>(<span class='ident'>sdk</span>) + .<span class='ident'>stderr</span>(<span class='ident'>Stdio</span>::<span class='ident'>inherit</span>()) + .<span class='ident'>output</span>() + .<span class='ident'>unwrap</span>() + .<span class='ident'>stdout</span>; + + <span class='kw'>let</span> <span class='ident'>sdk_path</span> <span class='op'>=</span> <span class='ident'>String</span>::<span class='ident'>from_utf8</span>(<span class='ident'>sdk_path</span>).<span class='ident'>unwrap</span>(); + + <span class='ident'>res</span>.<span class='ident'>push</span>(<span class='string'>"-isysroot"</span>.<span class='ident'>to_string</span>()); + <span class='ident'>res</span>.<span class='ident'>push</span>(<span class='ident'>sdk_path</span>.<span class='ident'>trim</span>().<span class='ident'>to_string</span>()); + + <span class='ident'>res</span> +} + +<span class='kw'>fn</span> <span class='ident'>fail</span>(<span class='ident'>s</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='op'>!</span> { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"\n\n{}\n\n"</span>, <span class='ident'>s</span>); + <span class='macro'>panic</span><span class='macro'>!</span>() +} +</pre> +</section> + <section id='search' class="content hidden"></section> + + <section class="footer"></section> + + <div id="help" class="hidden"> + <div class="shortcuts"> + <h1>Keyboard shortcuts</h1> + <dl> + <dt>?</dt> + <dd>Show this help dialog</dd> + <dt>S</dt> + <dd>Focus the search field</dd> + <dt>⇤</dt> + <dd>Move up in search results</dd> + <dt>⇥</dt> + <dd>Move down in search results</dd> + <dt>⏎</dt> + <dd>Go to active search result</dd> + </dl> + </div> + <div class="infos"> + <h1>Search tricks</h1> + <p> + Prefix searches with a type followed by a colon (e.g. + <code>fn:</code>) to restrict the search to a given type. + </p> + <p> + Accepted types are: <code>fn</code>, <code>mod</code>, + <code>struct</code>, <code>enum</code>, + <code>trait</code>, <code>typedef</code> (or + <code>tdef</code>). + </p> + <p> + Search functions by type signature (e.g. + <code>vec -> usize</code>) + </p> + </div> + </div> + + + + <script> + window.rootPath = "../../"; + window.currentCrate = "gcc"; + window.playgroundUrl = ""; + </script> + <script src="../../jquery.js"></script> + <script src="../../main.js"></script> + + <script async src="../../search-index.js"></script> +</body> +</html>
\ No newline at end of file |