1 files changed, 49 insertions, 0 deletions
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..5372e3a
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,49 @@
+extern crate bindgen;
+extern crate pkg_config;
+
+use std::env;
+use std::path::PathBuf;
+
+fn print_library(lib: &pkg_config::Library) {
+    for p in &lib.include_paths {
+        println!("cargo:include={}", p.display());
+    }
+
+    for p in &lib.frameworks {
+        println!("cargo:rustc-link-lib=framework={}", p);
+    }
+
+    for p in &lib.framework_paths {
+        println!("cargo:rustc-link-search=framework={}", p.display());
+    }
+
+    for p in &lib.libs {
+        println!("cargo:rustc-link-lib=dylib={}", p);
+    }
+
+    for p in &lib.link_paths {
+        println!("cargo:rustc-link-search=native={}", p.display());
+    }
+}
+
+fn main() {
+    let libical = pkg_config::Config::new().atleast_version("3.0.0").probe("libical").unwrap();
+
+    print_library(&libical);
+
+    let mut builder = bindgen::Builder::default()
+        .header("bindgen-wrapper.h");
+
+    for p in libical.include_paths {
+        builder = builder.clang_arg(format!("-I{}", p.display()));
+    }
+
+    builder = builder.whitelist_type("ical.+")
+        .whitelist_var("ical.+")
+        .whitelist_function("ical.+");
+
+    let bindings = builder.generate().unwrap();
+    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap()).join("bindings.rs");
+
+    bindings.write_to_file(out_path).expect("Couldn't write bindings!");
+}