Tweak some style here and there

gcc-test/build.rs

@@ -70,7 +70,9 @@ fn main() {
         println!("cargo:rustc-link-search={}", out.display());
     }
 
-    // This tests whether we  can build a library but not link it to the main crate.
-    // The test module will do its own linking.
-    gcc::Config::new().cargo_metadata(false).file("src/opt_linkage.c").compile("libOptLinkage.a");
+    // This tests whether we  can build a library but not link it to the main
+    // crate.  The test module will do its own linking.
+    gcc::Config::new().cargo_metadata(false)
+                      .file("src/opt_linkage.c")
+                      .compile("libOptLinkage.a");
 }

gcc-test/src/opt_linkage.c

@@ -1,5 +1,5 @@
-#include<stdint.h>
+#include <stdint.h>
 
 int32_t answer() {
- return 42;
+  return 42;
 }

gcc-test/tests/all.rs

@@ -2,12 +2,9 @@ extern crate gcc_test;
 
 use gcc_test::*;
 
-
-// This will cause a link failure if the archive is already
-// linked against the gcc_test crate.
 #[link(name = "OptLinkage", kind = "static")]
 extern {
-  fn answer() -> i32;
+    fn answer() -> i32;
 }
 
 #[test]
@@ -57,5 +54,7 @@ fn msvc_here() {
 
 #[test]
 fn opt_linkage() {
-   unsafe { assert_eq!(answer(),42); }
+   unsafe {
+       assert_eq!(answer(), 42);
+   }
 }

src/lib.rs

@@ -323,16 +323,15 @@ impl Config {
         self.assemble(lib_name, &dst.join(output), &objects);
 
         if self.cargo_metadata {
-          println!("cargo:rustc-link-lib=static={}",
-                   &output[3..output.len() - 2]);
-          println!("cargo:rustc-link-search=native={}", dst.display());
-
-          // Add specific C++ libraries, if enabled.
-          if self.cpp {
-              if let Some(stdlib) = self.get_cpp_link_stdlib() {
-                  println!("cargo:rustc-link-lib={}", stdlib);
-              }
-
+            println!("cargo:rustc-link-lib=static={}",
+                     &output[3..output.len() - 2]);
+            println!("cargo:rustc-link-search=native={}", dst.display());
+
+            // Add specific C++ libraries, if enabled.
+            if self.cpp {
+                if let Some(stdlib) = self.get_cpp_link_stdlib() {
+                    println!("cargo:rustc-link-lib={}", stdlib);
+                }
             }
         }
     }