Build libnitrokey from source

This patch changes the build script to compile and link libnitrokey from
the included source.  Also, we have to link against hidapi-libusb as a
libnitrokey requirement.

3 files changed, 27 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 4e6268c..7c4453c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,6 @@ license = "LGPL-3.0"
 links = "nitrokey"
 build = "build.rs"
 readme = "README.md"
+
+[build-dependencies]
+cc = "1.0"
diff --git a/build.rs b/build.rs
index 7791134..d31d9aa 100644
--- a/build.rs
+++ b/build.rs
@@ -1,3 +1,24 @@
+extern crate cc;
+
+use std::path::Path;
+
 fn main() {
-    println!("cargo:rustc-link-lib=nitrokey");
+    let sources = [
+        "DeviceCommunicationExceptions.cpp",
+        "NK_C_API.cc",
+        "NitrokeyManager.cc",
+        "command_id.cc",
+        "device.cc",
+        "log.cc",
+        "misc.cc",
+    ];
+    let library_dir = Path::new("libnitrokey-3.3");
+
+    cc::Build::new()
+        .cpp(true)
+        .include(library_dir.join("libnitrokey"))
+        .files(sources.iter().map(|s| library_dir.join(s)))
+        .compile("libnitrokey.a");
+
+    println!("cargo:rustc-link-lib=hidapi-libusb");
 }
diff --git a/src/lib.rs b/src/lib.rs
index 169dac4..2740cc9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -14,6 +14,8 @@ mod tests {
     #[test]
     fn login_auto() {
         unsafe {
+            // logout required due to https://github.com/Nitrokey/libnitrokey/pull/115
+            NK_logout();
             assert_eq!(0, NK_login_auto());
         }
     }