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diff --git a/src/pkg_config/lib.rs.html b/src/pkg_config/lib.rs.html new file mode 100644 index 0000000..250138e --- /dev/null +++ b/src/pkg_config/lib.rs.html @@ -0,0 +1,679 @@ +<!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/pkg-config-0.3.5/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 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id="290">290</span> +<span id="291">291</span> +</pre><pre class='rust '> +<span class='doccomment'>//! A build dependency for Cargo libraries to find system artifacts through the</span> +<span class='doccomment'>//! `pkg-config` utility.</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! This library will shell out to `pkg-config` as part of build scripts and</span> +<span class='doccomment'>//! probe the system to determine how to link to a specified library. The</span> +<span class='doccomment'>//! `Config` structure serves as a method of configuring how `pkg-config` is</span> +<span class='doccomment'>//! invoked in a builder style.</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! A number of environment variables are available to globally configure how</span> +<span class='doccomment'>//! this crate will invoke `pkg-config`:</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! * `PKG_CONFIG_ALLOW_CROSS` - if this variable is not set, then `pkg-config`</span> +<span class='doccomment'>//! will automatically be disabled for all cross compiles.</span> +<span class='doccomment'>//! * `FOO_NO_PKG_CONFIG` - if set, this will disable running `pkg-config` when</span> +<span class='doccomment'>//! probing for the library named `foo`.</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! There are also a number of environment variables which can configure how a</span> +<span class='doccomment'>//! library is linked to (dynamically vs statically). These variables control</span> +<span class='doccomment'>//! whether the `--static` flag is passed. Note that this behavior can be</span> +<span class='doccomment'>//! overridden by configuring explicitly on `Config`. The variables are checked</span> +<span class='doccomment'>//! in the following order:</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! * `FOO_STATIC` - pass `--static` for the library `foo`</span> +<span class='doccomment'>//! * `FOO_DYNAMIC` - do not pass `--static` for the library `foo`</span> +<span class='doccomment'>//! * `PKG_CONFIG_ALL_STATIC` - pass `--static` for all libraries</span> +<span class='doccomment'>//! * `PKG_CONFIG_ALL_DYNAMIC` - do not pass `--static` for all libraries</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! After running `pkg-config` all appropriate Cargo metadata will be printed on</span> +<span class='doccomment'>//! stdout if the search was successful.</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! # Example</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! Find the system library named `foo`.</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! ```no_run</span> +<span class='doccomment'>//! extern crate pkg_config;</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! fn main() {</span> +<span class='doccomment'>//! pkg_config::find_library("foo").unwrap();</span> +<span class='doccomment'>//! }</span> +<span class='doccomment'>//! ```</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! Configure how library `foo` is linked to.</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! ```no_run</span> +<span class='doccomment'>//! extern crate pkg_config;</span> +<span class='doccomment'>//!</span> +<span class='doccomment'>//! fn main() {</span> +<span class='doccomment'>//! pkg_config::Config::new().statik(true).find("foo").unwrap();</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/pkg-config-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'>ascii</span>::<span class='ident'>AsciiExt</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'>OsStr</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'>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='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>str</span>; + +<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>target_supported</span>() <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='ident'>env</span>::<span class='ident'>var</span>(<span class='string'>"HOST"</span>) <span class='op'>==</span> <span class='ident'>env</span>::<span class='ident'>var</span>(<span class='string'>"TARGET"</span>) <span class='op'>||</span> + <span class='ident'>env</span>::<span class='ident'>var_os</span>(<span class='string'>"PKG_CONFIG_ALLOW_CROSS"</span>).<span class='ident'>is_some</span>() +} + +<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span> +<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Config</span> { + <span class='ident'>statik</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>bool</span><span class='op'>></span>, + <span class='ident'>atleast_version</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span>, + <span class='ident'>extra_args</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>OsString</span><span class='op'>></span>, +} + +<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>)]</span> +<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Library</span> { + <span class='kw'>pub</span> <span class='ident'>libs</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span>, + <span class='kw'>pub</span> <span class='ident'>link_paths</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, + <span class='kw'>pub</span> <span class='ident'>frameworks</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span>, + <span class='kw'>pub</span> <span class='ident'>framework_paths</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, + <span class='kw'>pub</span> <span class='ident'>include_paths</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, + <span class='kw'>pub</span> <span class='ident'>version</span>: <span class='ident'>String</span>, + <span class='ident'>_priv</span>: (), +} + +<span class='doccomment'>/// Simple shortcut for using all default options for finding a library.</span> +<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>find_library</span>(<span class='ident'>name</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'>Library</span>, <span class='ident'>String</span><span class='op'>></span> { + <span class='ident'>Config</span>::<span class='ident'>new</span>().<span class='ident'>find</span>(<span class='ident'>name</span>) +} + +<span class='kw'>impl</span> <span class='ident'>Config</span> { + <span class='doccomment'>/// Creates a new set of configuration options which are all initially set</span> + <span class='doccomment'>/// to "blank".</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'>statik</span>: <span class='prelude-val'>None</span>, + <span class='ident'>atleast_version</span>: <span class='prelude-val'>None</span>, + <span class='ident'>extra_args</span>: <span class='macro'>vec</span><span class='macro'>!</span>[], + } + } + + <span class='doccomment'>/// Indicate whether the `--static` flag should be passed.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// This will override the inference from environment variables described in</span> + <span class='doccomment'>/// the crate documentation.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>statik</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>statik</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'>statik</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>statik</span>); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Indicate that the library must be at least version `vers`.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>atleast_version</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>vers</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'>atleast_version</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>vers</span>.<span class='ident'>to_string</span>()); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Add an argument to pass to pkg-config.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// It's placed after all of the arguments generated by this library.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>arg</span><span class='op'><</span><span class='ident'>S</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>OsStr</span><span class='op'>>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>arg</span>: <span class='ident'>S</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'>extra_args</span>.<span class='ident'>push</span>(<span class='ident'>arg</span>.<span class='ident'>as_ref</span>().<span class='ident'>to_os_string</span>()); + <span class='self'>self</span> + } + + <span class='doccomment'>/// Run `pkg-config` to find the library `name`.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// This will use all configuration previously set to specify how</span> + <span class='doccomment'>/// `pkg-config` is run.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>find</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>name</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'>Library</span>, <span class='ident'>String</span><span class='op'>></span> { + <span class='kw'>if</span> <span class='ident'>env</span>::<span class='ident'>var_os</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}_NO_PKG_CONFIG"</span>, <span class='ident'>envify</span>(<span class='ident'>name</span>))).<span class='ident'>is_some</span>() { + <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"pkg-config requested to be aborted for {}"</span>, <span class='ident'>name</span>)) + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>target_supported</span>() { + <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='string'>"pkg-config doesn't handle cross compilation. Use \ + PKG_CONFIG_ALLOW_CROSS=1 to override"</span>.<span class='ident'>to_string</span>()); + } + + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>library</span> <span class='op'>=</span> <span class='ident'>Library</span>::<span class='ident'>new</span>(); + + <span class='kw'>let</span> <span class='ident'>output</span> <span class='op'>=</span> <span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>run</span>(<span class='self'>self</span>.<span class='ident'>command</span>(<span class='ident'>name</span>, <span class='kw-2'>&</span>[<span class='string'>"--libs"</span>, <span class='string'>"--cflags"</span>]))); + <span class='ident'>library</span>.<span class='ident'>parse_libs_cflags</span>(<span class='ident'>name</span>, <span class='kw-2'>&</span><span class='ident'>output</span>, <span class='self'>self</span>); + + <span class='kw'>let</span> <span class='ident'>output</span> <span class='op'>=</span> <span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>run</span>(<span class='self'>self</span>.<span class='ident'>command</span>(<span class='ident'>name</span>, <span class='kw-2'>&</span>[<span class='string'>"--modversion"</span>]))); + <span class='ident'>library</span>.<span class='ident'>parse_modversion</span>(<span class='kw-2'>&</span><span class='ident'>output</span>); + + <span class='prelude-val'>Ok</span>(<span class='ident'>library</span>) + } + + <span class='doccomment'>/// Run `pkg-config` to get the value of a variable from a package using</span> + <span class='doccomment'>/// --variable.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_variable</span>(<span class='ident'>package</span>: <span class='kw-2'>&</span><span class='ident'>str</span>, <span class='ident'>variable</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'>arg</span> <span class='op'>=</span> <span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"--variable={}"</span>, <span class='ident'>variable</span>); + <span class='kw'>let</span> <span class='ident'>cfg</span> <span class='op'>=</span> <span class='ident'>Config</span>::<span class='ident'>new</span>(); + <span class='prelude-val'>Ok</span>(<span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>run</span>(<span class='ident'>cfg</span>.<span class='ident'>command</span>(<span class='ident'>package</span>, <span class='kw-2'>&</span>[<span class='kw-2'>&</span><span class='ident'>arg</span>]))).<span class='ident'>trim_right</span>().<span class='ident'>to_owned</span>()) + } + + <span class='kw'>fn</span> <span class='ident'>is_static</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>name</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='self'>self</span>.<span class='ident'>statik</span>.<span class='ident'>unwrap_or_else</span>(<span class='op'>||</span> <span class='ident'>infer_static</span>(<span class='ident'>name</span>)) + } + + <span class='kw'>fn</span> <span class='ident'>command</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>name</span>: <span class='kw-2'>&</span><span class='ident'>str</span>, <span class='ident'>args</span>: <span class='kw-2'>&</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='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='string'>"pkg-config"</span>); + <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>is_static</span>(<span class='ident'>name</span>) { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='string'>"--static"</span>); + } + <span class='ident'>cmd</span>.<span class='ident'>args</span>(<span class='ident'>args</span>) + .<span class='ident'>args</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>extra_args</span>) + .<span class='ident'>env</span>(<span class='string'>"PKG_CONFIG_ALLOW_SYSTEM_LIBS"</span>, <span class='string'>"1"</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'>version</span>) <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>atleast_version</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'>"{} >= {}"</span>, <span class='ident'>name</span>, <span class='ident'>version</span>)); + } <span class='kw'>else</span> { + <span class='ident'>cmd</span>.<span class='ident'>arg</span>(<span class='ident'>name</span>); + } + <span class='ident'>cmd</span> + } +} + +<span class='kw'>impl</span> <span class='ident'>Library</span> { + <span class='kw'>fn</span> <span class='ident'>new</span>() <span class='op'>-></span> <span class='ident'>Library</span> { + <span class='ident'>Library</span> { + <span class='ident'>libs</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>link_paths</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>include_paths</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>frameworks</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>framework_paths</span>: <span class='ident'>Vec</span>::<span class='ident'>new</span>(), + <span class='ident'>version</span>: <span class='ident'>String</span>::<span class='ident'>new</span>(), + <span class='ident'>_priv</span>: (), + } + } + + <span class='kw'>fn</span> <span class='ident'>parse_libs_cflags</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>name</span>: <span class='kw-2'>&</span><span class='ident'>str</span>, <span class='ident'>output</span>: <span class='kw-2'>&</span><span class='ident'>str</span>, <span class='ident'>config</span>: <span class='kw-2'>&</span><span class='ident'>Config</span>) { + <span class='kw'>let</span> <span class='ident'>parts</span> <span class='op'>=</span> <span class='ident'>output</span>.<span class='ident'>split</span>(<span class='string'>' '</span>) + .<span class='ident'>filter</span>(<span class='op'>|</span><span class='ident'>l</span><span class='op'>|</span> <span class='ident'>l</span>.<span class='ident'>len</span>() <span class='op'>></span> <span class='number'>2</span>) + .<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>arg</span><span class='op'>|</span> (<span class='kw-2'>&</span><span class='ident'>arg</span>[<span class='number'>0</span>..<span class='number'>2</span>], <span class='kw-2'>&</span><span class='ident'>arg</span>[<span class='number'>2</span>..])) + .<span class='ident'>collect</span>::<span class='op'><</span><span class='ident'>Vec</span><span class='op'><</span>_<span class='op'>>></span>(); + + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>dirs</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>new</span>(); + <span class='kw'>let</span> <span class='ident'>statik</span> <span class='op'>=</span> <span class='ident'>config</span>.<span class='ident'>is_static</span>(<span class='ident'>name</span>); + <span class='kw'>for</span> <span class='kw-2'>&</span>(<span class='ident'>flag</span>, <span class='ident'>val</span>) <span class='kw'>in</span> <span class='ident'>parts</span>.<span class='ident'>iter</span>() { + <span class='kw'>match</span> <span class='ident'>flag</span> { + <span class='string'>"-L"</span> <span class='op'>=></span> { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"cargo:rustc-link-search=native={}"</span>, <span class='ident'>val</span>); + <span class='ident'>dirs</span>.<span class='ident'>push</span>(<span class='ident'>PathBuf</span>::<span class='ident'>from</span>(<span class='ident'>val</span>)); + <span class='self'>self</span>.<span class='ident'>link_paths</span>.<span class='ident'>push</span>(<span class='ident'>PathBuf</span>::<span class='ident'>from</span>(<span class='ident'>val</span>)); + } + <span class='string'>"-F"</span> <span class='op'>=></span> { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"cargo:rustc-link-search=framework={}"</span>, <span class='ident'>val</span>); + <span class='self'>self</span>.<span class='ident'>framework_paths</span>.<span class='ident'>push</span>(<span class='ident'>PathBuf</span>::<span class='ident'>from</span>(<span class='ident'>val</span>)); + } + <span class='string'>"-I"</span> <span class='op'>=></span> { + <span class='self'>self</span>.<span class='ident'>include_paths</span>.<span class='ident'>push</span>(<span class='ident'>PathBuf</span>::<span class='ident'>from</span>(<span class='ident'>val</span>)); + } + <span class='string'>"-l"</span> <span class='op'>=></span> { + <span class='self'>self</span>.<span class='ident'>libs</span>.<span class='ident'>push</span>(<span class='ident'>val</span>.<span class='ident'>to_string</span>()); + <span class='kw'>if</span> <span class='ident'>statik</span> <span class='op'>&&</span> <span class='op'>!</span><span class='ident'>is_system</span>(<span class='ident'>val</span>, <span class='kw-2'>&</span><span class='ident'>dirs</span>) { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"cargo:rustc-link-lib=static={}"</span>, <span class='ident'>val</span>); + } <span class='kw'>else</span> { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"cargo:rustc-link-lib={}"</span>, <span class='ident'>val</span>); + } + } + _ <span class='op'>=></span> {} + } + } + + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>iter</span> <span class='op'>=</span> <span class='ident'>output</span>.<span class='ident'>split</span>(<span class='string'>' '</span>); + <span class='kw'>while</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>part</span>) <span class='op'>=</span> <span class='ident'>iter</span>.<span class='ident'>next</span>() { + <span class='kw'>if</span> <span class='ident'>part</span> <span class='op'>!=</span> <span class='string'>"-framework"</span> { <span class='kw'>continue</span> } + <span class='kw'>if</span> <span class='kw'>let</span> <span class='prelude-val'>Some</span>(<span class='ident'>lib</span>) <span class='op'>=</span> <span class='ident'>iter</span>.<span class='ident'>next</span>() { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"cargo:rustc-link-lib=framework={}"</span>, <span class='ident'>lib</span>); + <span class='self'>self</span>.<span class='ident'>frameworks</span>.<span class='ident'>push</span>(<span class='ident'>lib</span>.<span class='ident'>to_string</span>()); + } + } + } + + <span class='kw'>fn</span> <span class='ident'>parse_modversion</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>output</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) { + <span class='self'>self</span>.<span class='ident'>version</span>.<span class='ident'>push_str</span>(<span class='ident'>output</span>.<span class='ident'>trim</span>()); + } +} + +<span class='kw'>fn</span> <span class='ident'>infer_static</span>(<span class='ident'>name</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='kw'>let</span> <span class='ident'>name</span> <span class='op'>=</span> <span class='ident'>envify</span>(<span class='ident'>name</span>); + <span class='kw'>if</span> <span class='ident'>env</span>::<span class='ident'>var_os</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}_STATIC"</span>, <span class='ident'>name</span>)).<span class='ident'>is_some</span>() { + <span class='boolval'>true</span> + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>env</span>::<span class='ident'>var_os</span>(<span class='kw-2'>&</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}_DYNAMIC"</span>, <span class='ident'>name</span>)).<span class='ident'>is_some</span>() { + <span class='boolval'>false</span> + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>env</span>::<span class='ident'>var_os</span>(<span class='string'>"PKG_CONFIG_ALL_STATIC"</span>).<span class='ident'>is_some</span>() { + <span class='boolval'>true</span> + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>env</span>::<span class='ident'>var_os</span>(<span class='string'>"PKG_CONFIG_ALL_DYNAMIC"</span>).<span class='ident'>is_some</span>() { + <span class='boolval'>false</span> + } <span class='kw'>else</span> { + <span class='boolval'>false</span> + } +} + +<span class='kw'>fn</span> <span class='ident'>envify</span>(<span class='ident'>name</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='ident'>String</span> { + <span class='ident'>name</span>.<span class='ident'>chars</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>c</span><span class='op'>|</span> <span class='ident'>c</span>.<span class='ident'>to_ascii_uppercase</span>()).<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>c</span><span class='op'>|</span> { + <span class='kw'>if</span> <span class='ident'>c</span> <span class='op'>==</span> <span class='string'>'-'</span> {<span class='string'>'_'</span>} <span class='kw'>else</span> {<span class='ident'>c</span>} + }).<span class='ident'>collect</span>() +} + +<span class='kw'>fn</span> <span class='ident'>is_system</span>(<span class='ident'>name</span>: <span class='kw-2'>&</span><span class='ident'>str</span>, <span class='ident'>dirs</span>: <span class='kw-2'>&</span>[<span class='ident'>PathBuf</span>]) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='kw'>let</span> <span class='ident'>libname</span> <span class='op'>=</span> <span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"lib{}.a"</span>, <span class='ident'>name</span>); + <span class='kw'>let</span> <span class='ident'>root</span> <span class='op'>=</span> <span class='ident'>Path</span>::<span class='ident'>new</span>(<span class='string'>"/usr"</span>); + <span class='op'>!</span><span class='ident'>dirs</span>.<span class='ident'>iter</span>().<span class='ident'>any</span>(<span class='op'>|</span><span class='ident'>d</span><span class='op'>|</span> { + <span class='op'>!</span><span class='ident'>d</span>.<span class='ident'>starts_with</span>(<span class='ident'>root</span>) <span class='op'>&&</span> <span class='ident'>fs</span>::<span class='ident'>metadata</span>(<span class='kw-2'>&</span><span class='ident'>d</span>.<span class='ident'>join</span>(<span class='kw-2'>&</span><span class='ident'>libname</span>)).<span class='ident'>is_ok</span>() + }) +} + +<span class='kw'>fn</span> <span class='ident'>run</span>(<span class='kw-2'>mut</span> <span class='ident'>cmd</span>: <span class='ident'>Command</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'>out</span> <span class='op'>=</span> <span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>cmd</span>.<span class='ident'>output</span>().<span class='ident'>map_err</span>(<span class='op'>|</span><span class='ident'>e</span><span class='op'>|</span> { + <span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"failed to run `{:?}`: {}"</span>, <span class='ident'>cmd</span>, <span class='ident'>e</span>) + })); + + <span class='kw'>let</span> <span class='ident'>stdout</span> <span class='op'>=</span> <span class='ident'>String</span>::<span class='ident'>from_utf8</span>(<span class='ident'>out</span>.<span class='ident'>stdout</span>).<span class='ident'>unwrap</span>(); + <span class='kw'>if</span> <span class='ident'>out</span>.<span class='ident'>status</span>.<span class='ident'>success</span>() { + <span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='ident'>stdout</span>); + } + + <span class='kw'>let</span> <span class='ident'>stderr</span> <span class='op'>=</span> <span class='ident'>str</span>::<span class='ident'>from_utf8</span>(<span class='kw-2'>&</span><span class='ident'>out</span>.<span class='ident'>stderr</span>).<span class='ident'>unwrap</span>(); + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>msg</span> <span class='op'>=</span> <span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"`{:?}` did not exit successfully: {}"</span>, <span class='ident'>cmd</span>, <span class='ident'>out</span>.<span class='ident'>status</span>); + <span class='kw'>if</span> <span class='ident'>stdout</span>.<span class='ident'>len</span>() <span class='op'>></span> <span class='number'>0</span> { + <span class='ident'>msg</span>.<span class='ident'>push_str</span>(<span class='string'>"\n--- stdout\n"</span>); + <span class='ident'>msg</span>.<span class='ident'>push_str</span>(<span class='kw-2'>&</span><span class='ident'>stdout</span>); + } + <span class='kw'>if</span> <span class='ident'>stderr</span>.<span class='ident'>len</span>() <span class='op'>></span> <span class='number'>0</span> { + <span class='ident'>msg</span>.<span class='ident'>push_str</span>(<span class='string'>"\n--- stderr\n"</span>); + <span class='ident'>msg</span>.<span class='ident'>push_str</span>(<span class='ident'>stderr</span>); + } + + <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='ident'>msg</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 = "pkg_config"; + window.playgroundUrl = ""; + </script> + <script src="../../jquery.js"></script> + <script src="../../main.js"></script> + + <script async src="../../search-index.js"></script> +</body> +</html>
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