1 files changed, 62 insertions, 0 deletions
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..821125b
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,62 @@
+extern crate pkg_config;
+
+use pkg_config::{Config, Error};
+use std::env;
+use std::io::prelude::*;
+use std::io;
+use std::process;
+
+fn main() {
+    if let Err(s) = find() {
+        let _ = writeln!(io::stderr(), "{}", s);
+        process::exit(1);
+    }
+}
+
+fn find() -> Result<(), Error> {
+    let package_name = "gssdp-1.0";
+    let shared_libs = ["gssdp-1.0"];
+    let version = {
+        "1.0"
+    };
+
+    if let Ok(lib_dir) = env::var("GTK_LIB_DIR") {
+        for lib_ in shared_libs.iter() {
+            println!("cargo:rustc-link-lib=dylib={}", lib_);
+        }
+        println!("cargo:rustc-link-search=native={}", lib_dir);
+        return Ok(())
+    }
+
+    let target = env::var("TARGET").expect("TARGET environment variable doesn't exist");
+    let hardcode_shared_libs = target.contains("windows");
+
+    let mut config = Config::new();
+    config.atleast_version(version);
+    config.print_system_libs(false);
+    if hardcode_shared_libs {
+        config.cargo_metadata(false);
+    }
+    match config.probe(package_name) {
+        Ok(library) => {
+            if hardcode_shared_libs {
+                for lib_ in shared_libs.iter() {
+                    println!("cargo:rustc-link-lib=dylib={}", lib_);
+                }
+                for path in library.link_paths.iter() {
+                    println!("cargo:rustc-link-search=native={}",
+                             path.to_str().expect("library path doesn't exist"));
+                }
+            }
+            Ok(())
+        }
+        Err(Error::EnvNoPkgConfig(_)) | Err(Error::Command { .. }) => {
+            for lib_ in shared_libs.iter() {
+                println!("cargo:rustc-link-lib=dylib={}", lib_);
+            }
+            Ok(())
+        }
+        Err(err) => Err(err),
+    }
+}
+