rustbuild: Update gcc-rs to 0.3.40

This commit updates the gcc-rs dependency to 0.3.40 to pick up a fix for i686
musl where we needed to pass an extra linker flag to get autoconf's detection of
executables working correctly.

Author: alexcrichton

src/Cargo.lock

@@ -1 +1 @@
-{"files":{".cargo-ok":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",".gitignore":"f9b1ca6ae27d1c18215265024629a8960c31379f206d9ed20f64e0b2dcf79805",".travis.yml":"5cee7774cf6d876246a0ae0f8362cceeecec5924b751049c945faac9342565ff","Cargo.toml":"2634dedd87889b33a794e31b41a8d8d4713ef40382be3d464229707679bd83da","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"378f5840b258e2779c39418f3f2d7b2ba96f1c7917dd6be0713f88305dbda397","README.md":"ecb2d93f4c81edbd48d8742ff7887dc0a4530a5890967839090bbc972d49bebe","appveyor.yml":"46c77d913eaa45871296942c2cd96ef092c9dcaf19201cb5c500a5107faeb06f","src/bin/gcc-shim.rs":"11edfe1fc6f932bd42ffffda5145833302bc163e0b87dc0d54f4bd0997ad4708","src/lib.rs":"5eb0e311367226ed0420f5e2dac10cc35fc0a3be639a612b6e8ea6d24f646634","src/registry.rs":"3e2a42581ebb82e325dd5600c6571cef937b35003b2927dc618967f5238a2058","src/windows_registry.rs":"906653c020ffe9d572e435f3fc3a8892d9e0a13240ba297db01ce0a288e08cdb","tests/cc_env.rs":"d92c5e3d3d43ac244e63b2cd2c93a521fcf124bf1ccf8d4c6bfa7f8333d88976","tests/support/mod.rs":"d11ed0db4dda5ecf5fb970c9b0c56428cd47421a2742f07032e2cc6b0a0f07e2","tests/test.rs":"164220f11be2eebc20315826513999970660a82feff8cc4b15b4e9d73d98324e"},"package":"553f11439bdefe755bf366b264820f1da70f3aaf3924e594b886beb9c831bcf5"}
+{"files":{".cargo-ok":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",".gitignore":"f9b1ca6ae27d1c18215265024629a8960c31379f206d9ed20f64e0b2dcf79805",".travis.yml":"675ffe583db77282d010306f29e6d81e5070ab081deddd0300137dfbd2cb83de","Cargo.toml":"19bb617b74de761515ef5d087fd0e30912fda1d7c22fd04fa211236dab99a509","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"378f5840b258e2779c39418f3f2d7b2ba96f1c7917dd6be0713f88305dbda397","README.md":"ecb2d93f4c81edbd48d8742ff7887dc0a4530a5890967839090bbc972d49bebe","appveyor.yml":"46c77d913eaa45871296942c2cd96ef092c9dcaf19201cb5c500a5107faeb06f","src/bin/gcc-shim.rs":"11edfe1fc6f932bd42ffffda5145833302bc163e0b87dc0d54f4bd0997ad4708","src/lib.rs":"7e7c60beccfdd145e876da81bb07dd09c5248dab0b26d93190bab4242799d51a","src/registry.rs":"3e2a42581ebb82e325dd5600c6571cef937b35003b2927dc618967f5238a2058","src/windows_registry.rs":"1f4211caec5a192b5f05c8a47efb27aa6a0ab976c659b9318a0cf603a28d6746","tests/cc_env.rs":"d92c5e3d3d43ac244e63b2cd2c93a521fcf124bf1ccf8d4c6bfa7f8333d88976","tests/support/mod.rs":"f4dad5a8133c3dd6678d9a3de057b82e624ef547b9b3e4ac9508a48962fc387b","tests/test.rs":"164220f11be2eebc20315826513999970660a82feff8cc4b15b4e9d73d98324e"},"package":"872db9e59486ef2b14f8e8c10e9ef02de2bccef6363d7f34835dedb386b3d950"}

src/vendor/gcc/.cargo-checksum.json

@@ -19,12 +19,14 @@ script:
   - cargo test --manifest-path gcc-test/Cargo.toml --target $TARGET --features parallel
   - cargo test --manifest-path gcc-test/Cargo.toml --target $TARGET --release
   - cargo doc
+  - cargo clean && cargo build
   - rustdoc --test README.md -L target/debug -L target/debug/deps
 after_success:
   - travis-cargo --only nightly doc-upload
 env:
   global:
-    secure: ilbcq9zX+UaiBcwqkBGldeanbEQus9npLsi0/nF1PUxKbQsoWSVtVOehAD8Hy92D3hX2npIRyNL8GxBn85XEcBYc1h7DiWUhLcXfZie79v8Ly/qboHCfZLXlB1ofbypbyQfouEdOE9zHf0ZILYVpAgUkliv6KuVShsrKNlbn4QE=
+    secure: "CBtqrudgE0PS8x3kTr44jKbC2D4nfnmdYVecooNm0qnER4B4TSvZpZSQoCgKK6k4BYQuOSyFTOwYx6M79w39ZMOgyCP9ytB+tyMWL0/+ZuUQL04yVg4M5vd3oJMkOaXbvG56ncgPyFrseY+FPDg+mXAzvJk/nily37YXjkQj2D0="
+
   matrix:
     - ARCH=x86_64
     - ARCH=i686

src/vendor/gcc/.travis.yml

@@ -1,7 +1,7 @@
 [package]
 
 name = "gcc"
-version = "0.3.38"
+version = "0.3.40"
 authors = ["Alex Crichton <[email protected]>"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/alexcrichton/gcc-rs"

src/vendor/gcc/Cargo.toml

@@ -353,6 +353,23 @@ impl Config {
         self.compile_objects(&src_dst);
         self.assemble(lib_name, &dst.join(output), &objects);
 
+        if self.get_target().contains("msvc") {
+            let compiler = self.get_base_compiler();
+            let atlmfc_lib = compiler.env().iter().find(|&&(ref var, _)| {
+                var == OsStr::new("LIB")
+            }).and_then(|&(_, ref lib_paths)| {
+                env::split_paths(lib_paths).find(|path| {
+                    let sub = Path::new("atlmfc/lib");
+                    path.ends_with(sub) || path.parent().map_or(false, |p| p.ends_with(sub))
+                })
+            });
+
+            if let Some(atlmfc_lib) = atlmfc_lib {
+                self.print(&format!("cargo:rustc-link-search=native={}",
+                                    atlmfc_lib.display()));
+            }
+        }
+
         self.print(&format!("cargo:rustc-link-lib=static={}",
                             &output[3..output.len() - 2]));
         self.print(&format!("cargo:rustc-link-search=native={}", dst.display()));
@@ -446,17 +463,20 @@ impl Config {
 
         if msvc {
             cmd.args.push("/nologo".into());
-            cmd.args.push("/MD".into()); // link against msvcrt.dll for now
+            let features = env::var("CARGO_CFG_TARGET_FEATURE")
+                              .unwrap_or(String::new());
+            if features.contains("crt-static") {
+                cmd.args.push("/MT".into());
+            } else {
+                cmd.args.push("/MD".into());
+            }
             match &opt_level[..] {
                 "z" | "s" => cmd.args.push("/Os".into()),
                 "2" => cmd.args.push("/O2".into()),
                 "1" => cmd.args.push("/O1".into()),
                 _ => {}
             }
-            if target.contains("i686") {
-                cmd.args.push("/SAFESEH".into());
-            } else if target.contains("i586") {
-                cmd.args.push("/SAFESEH".into());
+            if target.contains("i586") {
                 cmd.args.push("/ARCH:IA32".into());
             }
         } else if nvcc {
@@ -489,27 +509,48 @@ impl Config {
                 cmd.args.push("-Xcompiler".into());
                 cmd.args.push("\'-fPIC\'".into());
             }
+
             if target.contains("musl") {
                 cmd.args.push("-static".into());
             }
 
+            // armv7 targets get to use armv7 instructions
             if target.starts_with("armv7-unknown-linux-") {
                 cmd.args.push("-march=armv7-a".into());
             }
+
+            // On android we can guarantee some extra float instructions
+            // (specified in the android spec online)
             if target.starts_with("armv7-linux-androideabi") {
                 cmd.args.push("-march=armv7-a".into());
                 cmd.args.push("-mfpu=vfpv3-d16".into());
             }
+
+            // For us arm == armv6 by default
             if target.starts_with("arm-unknown-linux-") {
                 cmd.args.push("-march=armv6".into());
                 cmd.args.push("-marm".into());
             }
+
+            // Turn codegen down on i586 to avoid some instructions.
             if target.starts_with("i586-unknown-linux-") {
                 cmd.args.push("-march=pentium".into());
             }
+
+            // Set codegen level for i686 correctly
             if target.starts_with("i686-unknown-linux-") {
                 cmd.args.push("-march=i686".into());
             }
+
+            // Looks like `musl-gcc` makes is hard for `-m32` to make its way
+            // all the way to the linker, so we need to actually instruct the
+            // linker that we're generating 32-bit executables as well. This'll
+            // typically only be used for build scripts which transitively use
+            // these flags that try to compile executables.
+            if target == "i686-unknown-linux-musl" {
+                cmd.args.push("-Wl,-melf_i386".into());
+            }
+
             if target.starts_with("thumb") {
                 cmd.args.push("-mthumb".into());
 
@@ -518,10 +559,14 @@ impl Config {
                 }
             }
             if target.starts_with("thumbv6m") {
-                cmd.args.push("-march=armv6-m".into());
+                cmd.args.push("-march=armv6s-m".into());
             }
             if target.starts_with("thumbv7em") {
                 cmd.args.push("-march=armv7e-m".into());
+
+                if target.ends_with("eabihf") {
+                    cmd.args.push("-mfpu=fpv4-sp-d16".into())
+                }
             }
             if target.starts_with("thumbv7m") {
                 cmd.args.push("-march=armv7-m".into());
@@ -739,6 +784,7 @@ impl Config {
                     "powerpc64-unknown-linux-gnu" => Some("powerpc-linux-gnu"),
                     "powerpc64le-unknown-linux-gnu" => Some("powerpc64le-linux-gnu"),
                     "s390x-unknown-linux-gnu" => Some("s390x-linux-gnu"),
+                    "sparc64-unknown-netbsd" => Some("sparc64--netbsd"),
                     "thumbv6m-none-eabi" => Some("arm-none-eabi"),
                     "thumbv7em-none-eabi" => Some("arm-none-eabi"),
                     "thumbv7em-none-eabihf" => Some("arm-none-eabi"),
@@ -805,6 +851,8 @@ impl Config {
                 None
             } else if target.contains("darwin") {
                 Some("c++".to_string())
+            } else if target.contains("freebsd") {
+                Some("c++".to_string())
             } else {
                 Some("stdc++".to_string())
             }

src/vendor/gcc/src/lib.rs

@@ -211,6 +211,11 @@ pub fn find_tool(target: &str, tool: &str) -> Option<Tool> {
             let sub = otry!(vc_lib_subdir(target));
             tool.libs.push(path.join("lib").join(sub));
             tool.include.push(path.join("include"));
+            let atlmfc_path = path.join("atlmfc");
+            if atlmfc_path.exists() {
+                tool.libs.push(atlmfc_path.join("lib").join(sub));
+                tool.include.push(atlmfc_path.join("include"));
+            }
             Some(tool)
         }).next()
     }

src/vendor/gcc/src/windows_registry.rs

@@ -23,6 +23,9 @@ impl Test {
     pub fn new() -> Test {
         let mut gcc = PathBuf::from(env::current_exe().unwrap());
         gcc.pop();
+        if gcc.ends_with("deps") {
+            gcc.pop();
+        }
         gcc.push(format!("gcc-shim{}", env::consts::EXE_SUFFIX));
         Test {
             td: TempDir::new("gcc-test").unwrap(),