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1diff --git a/crates/c/build.rs b/crates/c/build.rs
2index 8d822e5..8b7e371 100644
3--- a/crates/c/build.rs
4+++ b/crates/c/build.rs
5@@ -1,9 +1,13 @@
6 fn main() {
7 println!("cargo:rerun-if-changed=src/f16.h");
8 println!("cargo:rerun-if-changed=src/f16.c");
9+ println!("cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS");
10 cc::Build::new()
11- .compiler("clang-16")
12+ .compiler("@clang@")
13 .file("./src/f16.c")
14+ // read env var set by rustPlatform.bindgenHook
15+ .try_flags_from_environment("BINDGEN_EXTRA_CLANG_ARGS")
16+ .expect("the BINDGEN_EXTRA_CLANG_ARGS environment variable must be specified and UTF-8")
17 .opt_level(3)
18 .debug(true)
19 .compile("vectorsc");