improvements for libcsp cargo builder

examples/Cargo.toml

@@ -9,4 +9,4 @@ edition = "2021"
 libcsp = { version = "0.1", path = ".." }
 
 [build-dependencies]
-libcsp-cargo-build = "0.1"
+libcsp-cargo-build = { version = "0.2", path = "../libcsp-cargo-build" }

examples/autoconfig.h

@@ -1,4 +1,4 @@
-// This file was auto-generated by libcsp-cargo-build v0.1.0
+// This file was auto-generated by libcsp-cargo-build v0.2.0
 #define CSP_POSIX 1
 #define CSP_ZEPHYR 0
 

examples/autoconfig.rs

@@ -1,4 +1,4 @@
-// This file was auto-generated by libcsp-cargo-build v0.1.0
+// This file was auto-generated by libcsp-cargo-build v0.2.0
 pub const CSP_CONN_RXQUEUE_LEN: usize = 16;
 pub const CSP_QFIFO_LEN: usize = 16;
 pub const CSP_PORT_MAX_BIND: usize = 16;

examples/build.rs

@@ -11,7 +11,8 @@ fn main() {
 
     // This helper structure will take care of the majority of work to compile libcsp using the
     // cc crate.
-    let mut csp_builder = Builder::new(PathBuf::from(libcsp_path), PathBuf::from(&out_dir));
+    let mut csp_builder = Builder::new(PathBuf::from(libcsp_path), PathBuf::from(&out_dir))
+        .expect("creating libcsp builder failed");
     // A lot of spam we are not interested in usually.
     csp_builder.compiler_warnings = false;