Don't use extern crate aliases when searching for dependencies

src/bindgen/parser.rs

@@ -351,11 +351,7 @@ impl Parser {
                     }
                 }
                 &syn::Item::ExternCrate(ref item) => {
-                    let dep_pkg_name = if let Some((_, ref name)) = item.rename {
-                        name.to_string()
-                    } else {
-                        item.ident.to_string()
-                    };
+                    let dep_pkg_name = item.ident.to_string();
 
                     let cfg = Cfg::load(&item.attrs);
                     if let &Some(ref cfg) = &cfg {

tests/expectations/rename-crate.c

@@ -0,0 +1,9 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct {
+  int32_t x;
+} Foo;
+
+void root(Foo a);

tests/expectations/rename-crate.cpp

@@ -0,0 +1,12 @@
+#include <cstdint>
+#include <cstdlib>
+
+struct Foo {
+  int32_t x;
+};
+
+extern "C" {
+
+void root(Foo a);
+
+} // extern "C"

tests/rust/rename-crate/Cargo.lock

@@ -0,0 +1,11 @@
+[[package]]
+name = "dependency"
+version = "0.1.0"
+
+[[package]]
+name = "rename-crate"
+version = "0.1.0"
+dependencies = [
+ "dependency 0.1.0",
+]
+

tests/rust/rename-crate/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "rename-crate"
+version = "0.1.0"
+authors = ["Ryan Hunt <rhunt@eqrion.net>"]
+
+[dependencies]
+dependency = { path = "./dependency/" }

tests/rust/rename-crate/cbindgen.toml

@@ -0,0 +1,2 @@
+[parse]
+parse_deps = true

tests/rust/rename-crate/dependency/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "dependency"
+version = "0.1.0"
+authors = ["Ryan Hunt <rhunt@eqrion.net>"]
+
+[dependencies]

tests/rust/rename-crate/dependency/src/lib.rs

@@ -0,0 +1,4 @@
+#[repr(C)]
+pub struct Foo {
+    x: i32,
+}

tests/rust/rename-crate/src/lib.rs

@@ -0,0 +1,7 @@
+extern crate dependency as internal_name;
+
+pub use internal_name::*;
+
+#[no_mangle]
+pub extern "C" fn root(a: Foo) {
+}