From 4f78c817aa779660095b7680b859cea0cff57058 Mon Sep 17 00:00:00 2001
From: Heraldo Lucena <23155511+HMaker@users.noreply.github.com>
Date: Sat, 21 Oct 2023 00:30:34 -0300
Subject: [PATCH] fix bindgen for BoringSSL

- remove the -include flag (works for bindgen 0.68+)
- fix allowlist-file regex to match Windows' path backslash
---
 openssl-sys/Cargo.toml           |  2 +-
 openssl-sys/build/run_bindgen.rs | 18 ++----------------
 2 files changed, 3 insertions(+), 17 deletions(-)

diff --git a/openssl-sys/Cargo.toml b/openssl-sys/Cargo.toml
index 44fc45a71b..5123fc5dcb 100644
--- a/openssl-sys/Cargo.toml
+++ b/openssl-sys/Cargo.toml
@@ -23,7 +23,7 @@ libc = "0.2"
 bssl-sys = { version = "0.1.0", optional = true }
 
 [build-dependencies]
-bindgen = { version = "0.64.0", optional = true, features = ["experimental"] }
+bindgen = { version = "0.68.1", optional = true, features = ["experimental"] }
 cc = "1.0.61"
 openssl-src = { version = "300.1.2", optional = true, features = ["legacy"] }
 pkg-config = "0.3.9"
diff --git a/openssl-sys/build/run_bindgen.rs b/openssl-sys/build/run_bindgen.rs
index 1eeaad225d..e34ac32960 100644
--- a/openssl-sys/build/run_bindgen.rs
+++ b/openssl-sys/build/run_bindgen.rs
@@ -119,7 +119,7 @@ pub fn run_boringssl(include_dirs: &[PathBuf]) {
         .enable_function_attribute_detection()
         .default_macro_constant_type(MacroTypeVariation::Signed)
         .rustified_enum("point_conversion_form_t")
-        .allowlist_file(".*/openssl/[^/]+\\.h")
+        .allowlist_file(".*[/\\\\]openssl/[^/]+\\.h")
         .allowlist_recursively(false)
         .blocklist_function("BIO_vsnprintf")
         .blocklist_function("OPENSSL_vasprintf")
@@ -148,13 +148,6 @@ pub fn run_boringssl(include_dirs: &[PathBuf]) {
     cc::Build::new()
         .file(out_dir.join("boring_static_wrapper.c"))
         .includes(include_dirs)
-        .flag("-include")
-        .flag(
-            &out_dir
-                .join("boring_static_wrapper.h")
-                .display()
-                .to_string(),
-        )
         .compile("boring_static_wrapper");
 }
 
@@ -180,7 +173,7 @@ pub fn run_boringssl(include_dirs: &[PathBuf]) {
         .arg("--enable-function-attribute-detection")
         .arg("--default-macro-constant-type=signed")
         .arg("--rustified-enum=point_conversion_form_t")
-        .arg("--allowlist-file=.*/openssl/[^/]+\\.h")
+        .arg("--allowlist-file=.*[/\\\\]openssl/[^/]+\\.h")
         .arg("--no-recursive-allowlist")
         .arg("--blocklist-function=BIO_vsnprintf")
         .arg("--blocklist-function=OPENSSL_vasprintf")
@@ -203,13 +196,6 @@ pub fn run_boringssl(include_dirs: &[PathBuf]) {
     cc::Build::new()
         .file(out_dir.join("boring_static_wrapper.c"))
         .includes(include_dirs)
-        .flag("-include")
-        .flag(
-            &out_dir
-                .join("boring_static_wrapper.h")
-                .display()
-                .to_string(),
-        )
         .compile("boring_static_wrapper");
 }