rust/tests/run-make/rlib-format-packed-bundled-libs-3/rmake.rs
2024-08-10 18:06:10 +00:00

85 lines
3.0 KiB
Rust

// `-Z packed_bundled_libs` is an unstable rustc flag that makes the compiler
// only require a native library and no supplementary object files to compile.
// #105601 made it possible to have this behaviour without an unstable flag by
// passing +bundle in modifiers, and this test checks that this feature successfully
// compiles and includes only the static libraries, with no object files.
// See https://github.com/rust-lang/rust/pull/105601
use run_make_support::{
build_native_static_lib, llvm_ar, regex, rfs, rust_lib_name, rustc, static_lib_name,
};
//@ ignore-cross-compile
// Reason: Invalid library format (not ELF) causes compilation failure
// in the final `rustc` call.
//@ only-linux
// Reason: differences in the native lib compilation process causes differences
// in the --print link-args output
fn main() {
build_native_static_lib("native_dep_1");
build_native_static_lib("native_dep_2");
build_native_static_lib("native_dep_3");
build_native_static_lib("native_dep_4");
// Test cfg with packed bundle.
rustc().input("rust_dep_cfg.rs").crate_type("rlib").run();
rustc()
.input("main.rs")
.extern_("rust_dep", rust_lib_name("rust_dep_cfg"))
.crate_type("staticlib")
.cfg("should_add")
.run();
// Only static libraries should appear, no object files at all.
llvm_ar()
.arg("t")
.arg(rust_lib_name("rust_dep_cfg"))
.run()
.assert_stdout_contains(static_lib_name("native_dep_1"));
llvm_ar()
.arg("t")
.arg(rust_lib_name("rust_dep_cfg"))
.run()
.assert_stdout_contains(static_lib_name("native_dep_2"));
llvm_ar().arg("t").arg(static_lib_name("main")).run().assert_stdout_contains("native_dep_1.o");
llvm_ar()
.arg("t")
.arg(static_lib_name("main"))
.run()
.assert_stdout_not_contains("native_dep_2.o");
// Test bundle with whole archive.
rustc().input("rust_dep.rs").crate_type("rlib").run();
// Only deps with `+bundle` should appear.
llvm_ar().arg("t").arg(rust_lib_name("rust_dep")).run().assert_stdout_contains("native_dep_1");
llvm_ar().arg("t").arg(rust_lib_name("rust_dep")).run().assert_stdout_contains("native_dep_3");
llvm_ar()
.arg("t")
.arg(rust_lib_name("rust_dep"))
.run()
.assert_stdout_not_contains("native_dep_2");
llvm_ar()
.arg("t")
.arg(rust_lib_name("rust_dep"))
.run()
.assert_stdout_not_contains("native_dep_4");
// The compiler shouldn't use files which it doesn't know about.
rfs::remove_file(static_lib_name("native_dep_1"));
rfs::remove_file(static_lib_name("native_dep_3"));
let out = rustc()
.input("main.rs")
.extern_("rust_dep", rust_lib_name("rust_dep"))
.print("link-args")
.run()
.assert_stdout_not_contains("native_dep_3")
.stdout_utf8();
let re = regex::Regex::new(
"--whole-archive.*native_dep_1.*--whole-archive.*lnative_dep_2.*no-whole-archive.*lnative_dep_4"
).unwrap();
assert!(re.is_match(&out));
}