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extern crate bindgen;
use std::env;
use std::fs::File;
use std::io::BufRead;
use std::io::BufReader;
use std::path::PathBuf;
fn main() {
println!("cargo:rerun-if-changed=../../binaryninjacore.h");
//Cargo's output directory
let out_dir = env::var("OUT_DIR").unwrap();
let current_line = "#define BN_CURRENT_UI_ABI_VERSION ";
let minimum_line = "#define BN_MINIMUM_UI_ABI_VERSION ";
let mut current_version = "0".to_string();
let mut minimum_version = "0".to_string();
let file = File::open("../../ui/uitypes.h").expect("Couldn't open uitypes.h");
for line in BufReader::new(file).lines() {
let line = line.unwrap();
if line.starts_with(current_line) {
current_version = (&line[current_line.len()..]).to_owned();
} else if line.starts_with(minimum_line) {
minimum_version = (&line[minimum_line.len()..]).to_owned();
}
}
let mut bindings = bindgen::builder()
.header("../../binaryninjacore.h")
.clang_arg("-std=c++17")
.clang_arg("-x")
.clang_arg("c++")
.size_t_is_usize(true)
.generate_comments(false)
.allowlist_function("BN.*")
.allowlist_var("BN_CURRENT_CORE_ABI_VERSION")
.allowlist_var("BN_MINIMUM_CORE_ABI_VERSION")
.raw_line(format!(
"pub const BN_CURRENT_UI_ABI_VERSION: u32 = {};",
current_version
))
.raw_line(format!(
"pub const BN_MINIMUM_UI_ABI_VERSION: u32 = {};",
minimum_version
))
.rustified_enum("BN.*");
// Difference between global LLVM/Clang install and custom LLVM/Clang install...
// First option is for the build server, second option is being nice to our dev who have `LLVM_INSTALL_DIR` set, default is for people with "normal" setups (and Macs)
#[cfg(not(target_os = "macos"))]
{
// Detect for custom Clang or LLVM installations (BN devs/build server)
let llvm_dir = env::var("LIBCLANG_PATH");
let llvm_version = env::var("LLVM_VERSION");
let llvm_install_dir = env::var("LLVM_INSTALL_DIR");
if let (Ok(llvm_dir), Ok(llvm_version)) = (llvm_dir, llvm_version) {
let llvm_include_path = format!("-I{}/clang/{}/include", llvm_dir, llvm_version);
bindings = bindings.clang_arg(llvm_include_path);
} else if let Ok(llvm_install_dir) = llvm_install_dir {
let llvm_include_path =
format!("-I{}/12.0.0/lib/clang/12.0.0/include", llvm_install_dir);
env::set_var("LIBCLANG_PATH", format!("{}/12.0.0/lib", llvm_install_dir));
bindings = bindings.clang_arg(llvm_include_path);
}
}
bindings
.generate()
.expect("Unable to generate bindings")
.write_to_file(PathBuf::from(out_dir).join("bindings.rs"))
.expect("Couldn't write bindings!");
}
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