use bindgen::Builder as BindgenBuilder;
use pkg_config::Config as PkgConfig;
use std::env;
use std::path::PathBuf;
use std::process::Command;
const BINDINGS: &str = "bindings.rs";
fn main()
{
println!("cargo:rustc-link-lib=xmlsec1-openssl"); println!("cargo:rustc-link-lib=xmlsec1"); println!("cargo:rustc-link-lib=xml2"); println!("cargo:rustc-link-lib=ssl"); println!("cargo:rustc-link-lib=crypto");
let path_out = PathBuf::from(env::var("OUT_DIR").unwrap());
let path_bindings = path_out.join(BINDINGS);
if !path_bindings.exists()
{
PkgConfig::new()
.probe("xmlsec1")
.expect("Could not find xmlsec1 using pkg-config");
let bindbuild = BindgenBuilder::default()
.header("bindings.h")
.clang_args(fetch_xmlsec_config_flags())
.clang_args(fetch_xmlsec_config_libs())
.layout_tests(true)
.rustfmt_bindings(true)
.generate_comments(true);
let bindings = bindbuild.generate()
.expect("Unable to generate bindings");
bindings.write_to_file(path_bindings)
.expect("Couldn't write bindings!");
}
}
fn fetch_xmlsec_config_flags() -> Vec<String>
{
let out = Command::new("xmlsec1-config")
.arg("--cflags")
.output()
.expect("Failed to get --cflags from xmlsec1-config. Is xmlsec1 installed?")
.stdout;
args_from_output(out)
}
fn fetch_xmlsec_config_libs() -> Vec<String>
{
let out = Command::new("xmlsec1-config")
.arg("--libs")
.output()
.expect("Failed to get --libs from xmlsec1-config. Is xmlsec1 installed?")
.stdout;
args_from_output(out)
}
fn args_from_output(args: Vec<u8>) -> Vec<String>
{
let decoded = String::from_utf8(args)
.expect("Got invalid UTF8 from xmlsec1-config");
let args = decoded.split_whitespace()
.map(|p| p.to_owned())
.collect::<Vec<String>>();
args
}