build: dirty hack to solve dylib C linking issue

Related issue: rust-lang/rust#64340

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "nng-sys"
-version = "1.1.1-rc.1"
+version = "1.1.1-rc.2"
 authors = ["Nathan Kent <[email protected]>", "Jake W <[email protected]>"]
 
 description = "Bindings to NNG (Nanomsg-Next-Generation) aka Nanomsg2"
@@ -46,7 +46,7 @@ cty = {version = "0.2", optional = true}
 
 [build-dependencies]
 cmake = {version = "0.1", optional = true}
-bindgen = {version = "0.47", optional = true}
+bindgen = {version = "0.52", optional = true}
 
 [package.metadata.docs.rs]
 all-features = false

build.rs

@@ -62,7 +62,8 @@ fn link_nng() {
         dst.join("lib64").display()
     );
 
-    println!("cargo:rustc-link-lib=static=nng");
+    //println!("cargo:rustc-link-lib=static=nng");
+    println!("cargo:rustc-link-lib=nng");
 }
 
 #[cfg(not(feature = "build-nng"))]
@@ -87,7 +88,9 @@ fn build_bindgen() {
         // Generate `pub const NNG_UNIT_EVENTS` instead of `nng_unit_enum_NNG_UNIT_EVENTS`
         .prepend_enum_name(false)
         // Generate `pub enum ...` instead of multiple `pub const ...`
-        .default_enum_style(bindgen::EnumVariation::Rust)
+        .default_enum_style(bindgen::EnumVariation::Rust {
+            non_exhaustive: false,
+        })
         .constified_enum("nng_flag_enum")
         // NNG_ESYSERR and NNG_ETRANERR are used like flag
         .constified_enum("nng_errno_enum")