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use anyhow::Context;
use std::{io, path::Path};
const IDB_X64EXE: usize = 1;
const IDB_ARM64EXE: usize = 2;
fn main() -> anyhow::Result<()> {
if !std::env::var("TARGET")
.context("missing TARGET")?
.as_str()
.starts_with("x86_64-pc-windows-")
{
// This crate only makes sense on x64 Windows
return Ok(());
}
build_resource_rust_header().context("failed to write resource.rs")?;
let (Ok(x64_installer), Ok(arm64_installer)) = (
std::env::var("WIN_X64_INSTALLER"),
std::env::var("WIN_ARM64_INSTALLER"),
) else {
eprintln!("Not building resource.rc - WIN_X64_INSTALLER and WIN_ARM64_INSTALLER not set");
// Linking must fail if the resource file isn't built
println!("cargo:rustc-link-lib=dylib=resource");
return Ok(());
};
let mut res = winres::WindowsResource::new();
res.append_rc_content(&format!(
r#"
#define IDB_X64EXE {IDB_X64EXE}
#define IDB_ARM64EXE {IDB_ARM64EXE}
IDB_X64EXE BINARY "{x64_installer}"
IDB_ARM64EXE BINARY "{arm64_installer}"
"#
));
res.set("ProductVersion", mullvad_version::VERSION);
res.set_icon("../dist-assets/icon.ico");
res.set_language(make_lang_id(
windows_sys::Win32::System::SystemServices::LANG_ENGLISH as u16,
windows_sys::Win32::System::SystemServices::SUBLANG_ENGLISH_US as u16,
));
println!("cargo:rerun-if-changed=windows-installer.manifest");
res.set_manifest_file("windows-installer.manifest");
res.set("FileDescription", "Mullvad VPN installer");
res.compile().context("Failed to compile resources")
}
fn build_resource_rust_header() -> io::Result<()> {
let resource_header = Path::new(&std::env::var("OUT_DIR").unwrap()).join("resource.rs");
std::fs::write(
resource_header,
format!(
"pub const IDB_X64EXE: usize = {IDB_X64EXE};\n
pub const IDB_ARM64EXE: usize = {IDB_ARM64EXE};\n"
),
)
}
// Sourced from winnt.h: https://learn.microsoft.com/en-us/windows/win32/api/winnt/nf-winnt-makelangid
fn make_lang_id(p: u16, s: u16) -> u16 {
(s << 10) | p
}
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