start resolving linker issues

Cargo.toml

@@ -13,3 +13,6 @@ libc = "0.2.76"
 
 [build-dependencies]
 rustc_version = "0.2"
+
+[lib]
+crate-type = ["staticlib", "cdylib"]

build.rs

@@ -21,4 +21,9 @@ fn main() {
             println!("cargo:rustc-cfg=dev");
         }
     }
+
+    // Link to GHOST and required stuffs
+    println!(r"cargo:rustc-link-search=./lib");
+    
+    println!("cargo:rustc-link-lib=dylib=stdc++"); // libstdc++
 }

src/api.rs

@@ -11,6 +11,7 @@ use std::{
     ptr::NonNull,
 };
 
+#[link(name="bf_intern_ghost")]
 extern "C" {
     pub fn GHOST_CreateSystem() -> GHOST_SystemHandle;
     pub fn GHOST_SystemInitDebug(_: GHOST_SystemHandle, _: c_int);

src/lib.rs

@@ -79,7 +79,10 @@ mod tests {
     use super::*;
     #[test]
     fn it_works() {
-	// nothing yet.
+	unsafe {
+	    let ptr = api::GHOST_CreateSystem();
+	    assert!(!ptr.is_null());
+	}
     }
 
     macro_rules! static_assert {
@@ -100,6 +103,6 @@ mod tests {
     static_assert!(std::mem::size_of::<types::GHOST_GLFlags>() == std::mem::size_of::<DummyCEnum>(),
 		   "C enum is not of type `int`. Either that or #[repr(transparent)] is broken. Aborting.");
     static_assert!(std::mem::align_of::<types::GHOST_GLFlags>() == std::mem::align_of::<DummyCEnum>(),
-    "C enum has unexpected alignment differing from type `int`. Either that or #[repr(transparent)] is broken. Aborting.");
+		   "C enum has unexpected alignment differing from type `int`. Either that or #[repr(transparent)] is broken. Aborting.");
     // ..are there others?
 }