From 124446f17c460cdd7ec987d89be90147d1a0d14b Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@iki.fi>
Date: Tue, 9 May 2023 10:04:14 +0300
Subject: [PATCH] Generate C header file on `cargo build`

---
 core/mvcc/.gitignore               | 3 ++-
 core/mvcc/bindings/c/build.rs      | 6 ++++++
 core/mvcc/bindings/c/cbindgen.toml | 6 ++++++
 3 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 core/mvcc/bindings/c/build.rs
 create mode 100644 core/mvcc/bindings/c/cbindgen.toml

diff --git a/core/mvcc/.gitignore b/core/mvcc/.gitignore
index 2c96eb1b6..48e69afa7 100644
--- a/core/mvcc/.gitignore
+++ b/core/mvcc/.gitignore
@@ -1,2 +1,3 @@
-target/
 Cargo.lock
+bindings/c/include
+target/
diff --git a/core/mvcc/bindings/c/build.rs b/core/mvcc/bindings/c/build.rs
new file mode 100644
index 000000000..af21fb9d8
--- /dev/null
+++ b/core/mvcc/bindings/c/build.rs
@@ -0,0 +1,6 @@
+use std::path::Path;
+
+fn main() {
+    let header_file = Path::new("include").join("mvcc.h");
+    cbindgen::generate(".").expect("Failed to generate C bindings").write_to_file(header_file);
+}
diff --git a/core/mvcc/bindings/c/cbindgen.toml b/core/mvcc/bindings/c/cbindgen.toml
new file mode 100644
index 000000000..b530dce1d
--- /dev/null
+++ b/core/mvcc/bindings/c/cbindgen.toml
@@ -0,0 +1,6 @@
+language = "C"
+cpp_compat = true
+include_guard = "MVCC_H"
+line_length = 120
+no_includes = true
+style = "type"