Merge pull request #1 from tcheinen/master

fix issue with compiling due to duplicate symbols in math.h

build.rs

@@ -2,16 +2,43 @@ use bindgen::builder;
 
 use std::env;
 use std::path::PathBuf;
+use std::collections::HashSet;
+
+#[derive(Debug)]
+struct IgnoreMacros(HashSet<String>);
+
+impl bindgen::callbacks::ParseCallbacks for IgnoreMacros {
+ fn will_parse_macro(&self, name: &str) -> bindgen::callbacks::MacroParsingBehavior {
+ if self.0.contains(name) {
+ bindgen::callbacks::MacroParsingBehavior::Ignore
+ } else {
+ bindgen::callbacks::MacroParsingBehavior::Default
+ }
+ }
+}
 
 fn main() {
  println!("cargo:rustc-link-lib=gvc");
  println!("cargo:rustc-link-lib=cgraph");
  println!("cargo:rustc-link-lib=pathplan");
  println!("cargo:rustc-link-lib=cdt");
 
+ let ignored_macros = IgnoreMacros(
+ vec![
+ "FP_INFINITE".into(),
+ "FP_NAN".into(),
+ "FP_NORMAL".into(),
+ "FP_SUBNORMAL".into(),
+ "FP_ZERO".into(),
+ ]
+ .into_iter()
+ .collect(),
+ );
+
  let bindings =
  builder()
  .header("./wrapper.h")
+ .parse_callbacks(Box::new(ignored_macros))
  .generate()
  .expect("Unable to generate bindings");