Fix Linux build

See rust-lang/rust-bindgen#687 (comment)

Author: l0calh05t

libquickjs-sys/build.rs

@@ -59,6 +59,21 @@ fn main() {
     println!("cargo:rustc-link-lib=static={}", LIB_NAME);
 }
 
+#[cfg(not(target_env = "msvc"))]
+#[derive(Debug)]
+struct IgnoreMacros(std::collections::HashSet<String>);
+
+#[cfg(not(target_env = "msvc"))]
+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
+        }
+    }
+}
+
 #[cfg(not(target_env = "msvc"))]
 #[cfg(feature = "bundled")]
 fn main() {
@@ -121,6 +136,18 @@ fn main() {
     // Tell cargo to invalidate the built crate whenever the wrapper changes
     println!("cargo:rerun-if-changed=wrapper.h");
 
+    let ignored_macros = IgnoreMacros(
+        vec![
+            "FP_INFINITE".into(),
+            "FP_NAN".into(),
+            "FP_NORMAL".into(),
+            "FP_SUBNORMAL".into(),
+            "FP_ZERO".into(),
+        ]
+        .into_iter()
+        .collect(),
+    );
+
     // The bindgen::Builder is the main entry point
     // to bindgen, and lets you build up options for
     // the resulting bindings.
@@ -131,6 +158,7 @@ fn main() {
         // Tell cargo to invalidate the built crate whenever any of the
         // included header files changed.
         .parse_callbacks(Box::new(bindgen::CargoCallbacks))
+        .parse_callbacks(Box::new(ignored_macros))
         .clang_arg("-I".to_owned() + out_path.to_str().unwrap())
         // Finish the builder and generate the bindings.
         .generate()

libquickjs-sys/embed/quickjs/quickjs.c

@@ -20076,7 +20076,7 @@ typedef struct JSParseState {
     BOOL is_module; /* parsing a module */
     BOOL allow_html_comments;
     BOOL ext_json; /* true if accepting JSON superset */
-#ifdef CONFIG_JSX;
+#ifdef CONFIG_JSX
     BOOL allow_web_name_token; /* HTML and CSS tokens that accept '-' as part of the nmtoken */
 #endif
 } JSParseState;
@@ -20360,7 +20360,7 @@ static __exception int js_parse_string(JSParseState *s, int sep,
            /* expr start */
            --p;
            break;
-        } else 
+        } else
 #endif
         if (c == sep)
           break;
@@ -20632,7 +20632,7 @@ static JSAtom parse_ident(JSParseState *s, const uint8_t **pp,
             c = unicode_from_utf8(p, UTF8_CHAR_LEN_MAX, &p1);
         }
 #ifdef CONFIG_JSX
-        if (c == '-' && s->allow_web_name_token) {;} else 
+        if (c == '-' && s->allow_web_name_token) {;} else
 #endif
         if (!lre_js_is_ident_next(c))
             break;