53 lines
1.7 KiB
Rust
53 lines
1.7 KiB
Rust
|
//! This is a regression test for #129020
|
||
|
|
//! It ensures we can use `/WHOLEARCHIVE` to link a rust staticlib into DLL
|
||
|
|
//! using the MSVC linker
|
||
|
|
|
||
|
|
//@ only-msvc
|
||
|
|
// Reason: this is testing the MSVC linker
|
||
|
|
|
||
|
|
use std::path::PathBuf;
|
||
|
|
|
||
|
|
use run_make_support::{cc, cmd, env_var, extra_c_flags, rustc};
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
// Build the staticlib
|
||
|
|
rustc().crate_type("staticlib").input("static.rs").output("static.lib").run();
|
||
|
|
// Build an empty object to pass to the linker.
|
||
|
|
cc().input("c.c").output("c.obj").args(["-c"]).run();
|
||
|
|
|
||
|
|
// Find the C toolchain's linker.
|
||
|
|
let mut linker = PathBuf::from(env_var("CC"));
|
||
|
|
let linker_flavour = if linker.file_stem().is_some_and(|s| s == "cl") {
|
||
|
|
linker.set_file_name("link.exe");
|
||
|
|
"msvc"
|
||
|
|
} else if linker.file_stem().is_some_and(|s| s == "clang-cl") {
|
||
|
|
linker.set_file_name("lld-link.exe");
|
||
|
|
"llvm"
|
||
|
|
} else {
|
||
|
|
panic!("unknown C toolchain");
|
||
|
|
};
|
||
|
|
|
||
|
|
// As a sanity check, make sure this works without /WHOLEARCHIVE.
|
||
|
|
// Otherwise the actual test failure may be caused by something else.
|
||
|
|
cmd(&linker)
|
||
|
|
.args(["c.obj", "./static.lib", "-dll", "-def:dll.def", "-out:dll.dll"])
|
||
|
|
.args(extra_c_flags())
|
||
|
|
.run();
|
||
|
|
|
||
|
|
// FIXME(@ChrisDenton): this doesn't currently work with llvm's lld-link for other reasons.
|
||
|
|
// May need LLVM patches.
|
||
|
|
if linker_flavour == "msvc" {
|
||
|
|
// Link in the staticlib using `/WHOLEARCHIVE` and produce a DLL.
|
||
|
|
cmd(&linker)
|
||
|
|
.args([
|
||
|
|
"c.obj",
|
||
|
|
"-WHOLEARCHIVE:./static.lib",
|
||
|
|
"-dll",
|
||
|
|
"-def:dll.def",
|
||
|
|
"-out:dll_whole_archive.dll",
|
||
|
|
])
|
||
|
|
.args(extra_c_flags())
|
||
|
|
.run();
|
||
|
|
}
|
||
|
|
}
|