From 0a7a92268181a71a413c248ff66f19003a625b22 Mon Sep 17 00:00:00 2001
From: toyboot4e <toyboot4e@gmail.com>
Date: Sun, 15 Nov 2020 21:21:15 +0900
Subject: [PATCH] bindgen: enable derive_default

bindgen option of rustified_enum or newtype_enum are NOT enabled:
* newtype_enum: They can't be created from u32, so we can't make our fancy enums with rustic case.
* rusitified_enum: They're dangerous if we try to match them: https://github.com/rust-lang/rust/issues/36927
* default: Enum variants are defined as constants. To get strictly typed, we need to wrap them into an `enum`. FFI (fields and functions) will be weakly typed
---
 rokol_ffi/build.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rokol_ffi/build.rs b/rokol_ffi/build.rs
index 7f558d5..81d0a2b 100644
--- a/rokol_ffi/build.rs
+++ b/rokol_ffi/build.rs
@@ -104,6 +104,7 @@ fn make_sokol(wrapper: &str, ffi_file: &str) {
         let b = b.header(&wrapper);
         let b = b.clang_arg(format!("-I{}", sokol_dir.display()));
         // let b = renderer.set_bindgen_flag(b);
+        let b = b.derive_default(true);
         b.generate().unwrap()
     };