restructuring complete

examples/build.rs

@@ -3,30 +3,9 @@ use std::{env, path::PathBuf};
 use libcsp_cargo_build::Builder;
 
 fn main() {
-    let project_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
-    // Pass some important build script environment variables to the binary/library.
-    // Remove this at a later stage, this belongs in a concrete example app.
-    /*
-    println!(
-        "cargo:rustc-env=TARGET={}",
-        std::env::var("TARGET").unwrap()
-    );
-    println!(
-        "cargo:rustc-env=OUT_DIR={}",
-        std::env::var("OUT_DIR").unwrap()
-    );
-    println!(
-        "cargo:rustc-env=OPT_LEVEL={}",
-        std::env::var("OPT_LEVEL").unwrap()
-    );
-    println!("cargo:rustc-env=HOST={}", std::env::var("HOST").unwrap());
-    */
+    let out_dir = env::var("OUT_DIR").unwrap_or_default();
 
-    // Tell cargo to tell rustc to link our `csp` library. Cargo will
-    // automatically know it must look for a `libcsp.a` file.
-    // println!("cargo:rustc-link-lib=csp");
-    // println!("cargo:rustc-link-search={}/csp", project_dir);
-
-    let mut csp_builder = Builder::new();
-    csp_builder.compile();
+    let libcsp_path = "../lib/libcsp";
+    let mut csp_builder = Builder::new(PathBuf::from(libcsp_path), PathBuf::from(out_dir));
+    csp_builder.compile().expect("compiling libcsp failed");
 }