Bug 1420301: Update clang-sys to work around a compiler bug. r=rillian

See: rust-lang/rust#46239

MozReview-Commit-ID: EiHsSK0xJ5c

third_party/rust/clang-sys/.cargo-checksum.json

@@ -1 +1 @@
-{"files":{".travis.yml":"136bc7c0b31a2317ca827c49b25aac46ae685e0c401a783a9b0505bb1405b30b","CHANGELOG.md":"12141ad7256835749c04c43e36eb128484d904a380f11ad34f90e738514a01a7","CONTRIBUTING.md":"4e2a45992604f07a37030bb1fc598c6f54a1785747c4f37a15a37481bbdecce8","Cargo.toml":"eac0e457be834ae463858dc840d93929a33c4ba91739b1f58521948c725266f1","LICENSE.txt":"cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30","README.md":"17568cd3ba6ea85a1a5a661d0755eb7bc1640a569fdb4e4add9ebc764eb62bfb","appveyor.yml":"c9ab8ab1ab028b27d2be176e994a0d6a255cf8bcc36e15868472b6b8abf33fac","build.rs":"b99acc3fa4f1ee801805bd124544e43367ee2b51777aea4d64462c2c4df6d279","ci/before_install.sh":"711c9d0539fa0372980c3a288d9482a0e46d3ba0fb8f7c7c110d6488a8ec4de5","ci/install.bat":"d694550679e14b384f8adf8384d475866e5880002cf82d450926f4607dc9077b","ci/script.sh":"1bb1cd29bd9635cc126cdcbd6c02f3500620a231a86726bf2165a4b74baaf433","ci/test_script.bat":"73462f51aaa9a1c14ce9f55c41dc3672df64faa9789725384ae4f28d8ba3c90b","clippy.toml":"acef14b9acffa18d1069ae08a4e8fe824a614f91b0bc71a6b1c68e4d885397e6","src/lib.rs":"7220620110eae7ca261d040bf62ee499ca0faf4c2b754f73d86aa5f5885fc12b","src/link.rs":"eb73ee98ca8e2ca3a0de05ffd01d905046c8d0aef99f13397b9e3996037e8993","src/support.rs":"9929cdf5ad0896248938282d0e621be34855bca9a1eb6b7a02a174ace58a9d86","tests/header.h":"b1cf564b21d76db78529d1934e1481a5f0452fdedc6e32954608293c310498b6","tests/lib.rs":"e5e8a60bcaec3b5d043fde4a993d397adb56454d0b2a6adaa15df0535246f909"},"package":"5955eab05fa8e6ff2b353753dc73a0608daa36e472a21c69f2eb51f43f593544"}
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third_party/rust/clang-sys/CHANGELOG.md

@@ -1,3 +1,11 @@
+## [0.21.1] - 2017-11-24
+
+### Changed
+- Improved finding of versioned libraries (e.g., `libclang-3.9.so`)
+
+### Fixed
+* Fixed compilation failures on the beta and nightly channels caused by a [compiler bug](https://github.com/KyleMayes/clang-sys/pull/69)
+
 ## [0.21.0] - 2017-10-11
 
 ### Changed

third_party/rust/clang-sys/Cargo.toml

@@ -12,7 +12,7 @@
 
 [package]
 name = "clang-sys"
-version = "0.21.0"
+version = "0.21.1"
 authors = ["Kyle Mayes <kyle@mayeses.com>"]
 build = "build.rs"
 links = "clang"
@@ -21,10 +21,6 @@ documentation = "https://kylemayes.github.io/clang-sys/3_5/clang_sys"
 readme = "README.md"
 license = "Apache-2.0"
 repository = "https://github.com/KyleMayes/clang-sys"
-[dependencies.libloading]
-version = "0.4.0"
-optional = true
-
 [dependencies.clippy]
 version = "0.0.*"
 optional = true
@@ -34,26 +30,30 @@ version = "0.2.11"
 
 [dependencies.libc]
 version = "0.2.14"
-[build-dependencies.glob]
-version = "0.2.11"
 
+[dependencies.libloading]
+version = "0.4.0"
+optional = true
 [build-dependencies.clippy]
 version = "0.0.*"
 optional = true
 
+[build-dependencies.glob]
+version = "0.2.11"
+
 [features]
-runtime = ["libloading"]
+clang_3_5 = []
 clang_3_6 = ["gte_clang_3_6"]
-gte_clang_5_0 = []
-gte_clang_4_0 = []
+clang_3_7 = ["gte_clang_3_6", "gte_clang_3_7"]
 clang_3_8 = ["gte_clang_3_6", "gte_clang_3_7", "gte_clang_3_8"]
 clang_3_9 = ["gte_clang_3_6", "gte_clang_3_7", "gte_clang_3_8", "gte_clang_3_9"]
-gte_clang_3_6 = []
 clang_4_0 = ["gte_clang_3_6", "gte_clang_3_7", "gte_clang_3_8", "gte_clang_3_9", "gte_clang_4_0"]
-clang_3_7 = ["gte_clang_3_6", "gte_clang_3_7"]
-gte_clang_3_9 = []
+clang_5_0 = ["gte_clang_3_6", "gte_clang_3_7", "gte_clang_3_8", "gte_clang_3_9", "gte_clang_4_0", "gte_clang_5_0"]
+gte_clang_3_6 = []
 gte_clang_3_7 = []
-static = []
 gte_clang_3_8 = []
-clang_3_5 = []
-clang_5_0 = ["gte_clang_3_6", "gte_clang_3_7", "gte_clang_3_8", "gte_clang_3_9", "gte_clang_4_0", "gte_clang_5_0"]
+gte_clang_3_9 = []
+gte_clang_4_0 = []
+gte_clang_5_0 = []
+runtime = ["libloading"]
+static = []

third_party/rust/clang-sys/README.md

@@ -50,9 +50,10 @@ These libraries can be either be installed as a part of Clang or downloaded
 [here](http://llvm.org/releases/download.html).
 
 **Note:** This crate supports finding versioned instances of `libclang.so` (e.g.,
-`libclang.so.3.9`). In the case where there are multiple instances to choose from, this crate will
-prefer an unversioned instance first, then the version with the shortest and highest version. For
-example, the following instances of `libclang.so` are listed in descending order of preference:
+`libclang.so.3.9` or `libclang-3.9.so`). In the case where there are multiple instances to choose
+from, this crate will prefer an unversioned instance first, then the version with the shortest and
+highest version. For example, the following instances of `libclang.so` are listed in descending
+order of preference:
 
 1. `libclang.so`
 2. `libclang.so.4`

third_party/rust/clang-sys/build.rs

@@ -39,11 +39,22 @@ use std::process::{Command};
 
 use glob::{MatchOptions};
 
+/// Returns the version in the supplied file if one can be found.
+fn find_version(file: &str) -> Option<&str> {
+    if file.starts_with("libclang.so.") {
+        Some(&file[12..])
+    } else if file.starts_with("libclang-") {
+        Some(&file[9..])
+    } else {
+        None
+    }
+}
+
 /// Returns the components of the version appended to the supplied file.
 fn parse_version(file: &Path) -> Vec<u32> {
-    let string = file.to_str().unwrap_or("");
-    let components = string.split('.').skip(2);
-    components.map(|s| s.parse::<u32>().unwrap_or(0)).collect()
+    let file = file.file_name().and_then(|f| f.to_str()).unwrap_or("");
+    let version = find_version(file).unwrap_or("");
+    version.split('.').map(|s| s.parse::<u32>().unwrap_or(0)).collect()
 }
 
 /// Returns a path to one of the supplied files if such a file can be found in the supplied directory.
@@ -92,7 +103,7 @@ fn run_llvm_config(arguments: &[&str]) -> Result<String, String> {
 }
 
 /// Backup search directory globs for FreeBSD and Linux.
-const SEARCH_LINUX: &'static [&'static str] = &[
+const SEARCH_LINUX: &[&str] = &[
     "/usr/lib*",
     "/usr/lib*/*",
     "/usr/lib*/*/*",
@@ -103,15 +114,15 @@ const SEARCH_LINUX: &'static [&'static str] = &[
 ];
 
 /// Backup search directory globs for OS X.
-const SEARCH_OSX: &'static [&'static str] = &[
+const SEARCH_OSX: &[&str] = &[
     "/usr/local/opt/llvm*/lib",
     "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib",
     "/Library/Developer/CommandLineTools/usr/lib",
     "/usr/local/opt/llvm*/lib/llvm*/lib",
 ];
 
 /// Backup search directory globs for Windows.
-const SEARCH_WINDOWS: &'static [&'static str] = &[
+const SEARCH_WINDOWS: &[&str] = &[
     "C:\\LLVM\\lib",
     "C:\\Program Files*\\LLVM\\lib",
     "C:\\MSYS*\\MinGW*\\lib",
@@ -240,8 +251,9 @@ pub fn find_shared_library() -> Result<PathBuf, String> {
     let mut files = vec![format!("{}clang{}", env::consts::DLL_PREFIX, env::consts::DLL_SUFFIX)];
     if cfg!(any(target_os="freebsd", target_os="linux", target_os="openbsd")) {
         // Some BSDs and Linux distributions don't create a `libclang.so` symlink, so we need to
-        // look for any versioned files (e.g., `libclang.so.3.9`).
+        // look for any versioned files (e.g., `libclang.so.3.9` or `libclang-3.9.so`).
         files.push("libclang.so.*".into());
+        files.push("libclang-*.so".into());
     }
     if cfg!(target_os="windows") {
         // The official LLVM build uses `libclang.dll` on Windows instead of `clang.dll`. However,
@@ -277,7 +289,7 @@ fn get_llvm_libraries() -> Vec<String> {
 }
 
 /// Clang libraries required to link to `libclang` 3.5 and later statically.
-const CLANG_LIBRARIES: &'static [&'static str] = &[
+const CLANG_LIBRARIES: &[&str] = &[
     "clang",
     "clangAST",
     "clangAnalysis",

third_party/rust/clang-sys/ci/install.bat

@@ -1,4 +1,4 @@
-curl -sSf https://static.rust-lang.org/dist/rust-1.10.0-i686-pc-windows-msvc.exe -o rust.exe
+curl -sSf https://static.rust-lang.org/dist/rust-1.22.1-i686-pc-windows-msvc.exe -o rust.exe
 rust.exe /VERYSILENT /NORESTART /DIR="C:\Rust"
 set PATH=%PATH%;C:\Rust\bin
 

third_party/rust/clang-sys/src/lib.rs

@@ -29,6 +29,7 @@
 #![cfg_attr(feature="clippy", feature(plugin))]
 #![cfg_attr(feature="clippy", plugin(clippy))]
 #![cfg_attr(feature="clippy", warn(clippy))]
+#![cfg_attr(feature="clippy", allow(unreadable_literal))]
 
 extern crate glob;
 extern crate libc;

third_party/rust/clang-sys/src/link.rs

@@ -24,7 +24,10 @@ macro_rules! link {
         #[cfg($cfg)]
         pub fn $name(library: &mut super::SharedLibrary) {
             let symbol = unsafe { library.library.get(stringify!($name).as_bytes()) }.ok();
-            library.functions.$name = symbol.map(|s| *s);
+            library.functions.$name = match symbol {
+                Some(s) => *s,
+                None => None,
+            };
         }
 
         #[cfg(not($cfg))]
@@ -40,17 +43,11 @@ macro_rules! link {
         use std::sync::{Arc};
 
         /// The set of functions loaded dynamically.
-        #[derive(Debug)]
+        #[derive(Debug, Default)]
         pub struct Functions {
             $($(#[cfg($cfg)])* pub $name: Option<unsafe extern fn($($pname: $pty), *) $(-> $ret)*>,)+
         }
 
-        impl Default for Functions {
-            fn default() -> Functions {
-                unsafe { std::mem::zeroed() }
-            }
-        }
-
         /// A dynamically loaded instance of the `libclang` library.
         #[derive(Debug)]
         pub struct SharedLibrary {