final release preparations

libcsp-sys/build.rs

@@ -1,9 +1,19 @@
 use std::{env, path::PathBuf};
 
 pub const ENV_KEY_CSP_CONFIG_DIR: &str = "CSP_CONFIG_DIR";
+pub const ENV_KEY_TEST: &str = "RUN_TESTS";
 
 fn main() {
-    println!("cargo:rustc-link-lib=csp");
+    // libcsp is built in a separate project, so linking it for tests will fail.
+    // For tests, we do not want to have the link directive to csp.
+    let run_tests = if let Ok(val) = env::var(ENV_KEY_TEST) {
+        val == "1"
+    } else {
+        false
+    };
+    if !run_tests {
+        println!("cargo:rustc-link-lib=csp");
+    }
 
     let out_path = env::var("OUT_DIR").unwrap();
     let csp_conf_dir = match env::var(ENV_KEY_CSP_CONFIG_DIR) {