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extern crate pkg_config;
use pkg_config::{Config, Error};
use std::env;
use std::io::prelude::*;
use std::io;
use std::process;
fn main() {
if let Err(s) = find() {
let _ = writeln!(io::stderr(), "{}", s);
process::exit(1);
}
}
fn find() -> Result<(), Error> {
let package_name = "glib-2.0";
let shared_libs = ["glib-2.0", "gobject-2.0"];
let version = if cfg!(feature = "v2_56") {
"2.56"
} else if cfg!(feature = "v2_54") {
"2.54"
} else if cfg!(feature = "v2_52") {
"2.52"
} else if cfg!(feature = "v2_50") {
"2.50"
} else if cfg!(feature = "v2_48") {
"2.48"
} else if cfg!(feature = "v2_46") {
"2.46"
} else if cfg!(feature = "v2_44") {
"2.44"
} else if cfg!(feature = "v2_40") {
"2.40"
} else if cfg!(feature = "v2_38") {
"2.38"
} else if cfg!(feature = "v2_36") {
"2.36"
} else if cfg!(feature = "v2_34") {
"2.34"
} else {
"2.32"
};
if let Ok(lib_dir) = env::var("GTK_LIB_DIR") {
for lib_ in shared_libs.iter() {
println!("cargo:rustc-link-lib=dylib={}", lib_);
}
println!("cargo:rustc-link-search=native={}", lib_dir);
return Ok(())
}
let target = env::var("TARGET").expect("TARGET environment variable doesn't exist");
let hardcode_shared_libs = target.contains("windows");
let mut config = Config::new();
config.atleast_version(version);
config.print_system_libs(false);
if hardcode_shared_libs {
config.cargo_metadata(false);
}
match config.probe(package_name) {
Ok(library) => {
if hardcode_shared_libs {
for lib_ in shared_libs.iter() {
println!("cargo:rustc-link-lib=dylib={}", lib_);
}
for path in library.link_paths.iter() {
println!("cargo:rustc-link-search=native={}",
path.to_str().expect("library path doesn't exist"));
}
}
Ok(())
}
Err(Error::EnvNoPkgConfig(_)) | Err(Error::Command { .. }) => {
for lib_ in shared_libs.iter() {
println!("cargo:rustc-link-lib=dylib={}", lib_);
}
Ok(())
}
Err(err) => Err(err),
}
}