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// `-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.
// Output files compiled with this flag should still contain all expected symbols -
// that is what this test checks.
// See https://github.com/rust-lang/rust/pull/100101
//@ ignore-cross-compile
// Reason: cross-compilation fails to export native symbols
use run_make_support::{
bin_name, build_native_static_lib, cwd, filename_contains, is_windows_msvc, llvm_ar, llvm_nm,
rfs, rust_lib_name, rustc, shallow_find_files,
};
fn main() {
build_native_static_lib("native_dep_1");
build_native_static_lib("native_dep_2");
build_native_static_lib("native_dep_3");
rustc().input("rust_dep_up.rs").crate_type("rlib").arg("-Zpacked_bundled_libs").run();
llvm_nm()
.input(rust_lib_name("rust_dep_up"))
.run()
.assert_stdout_contains_regex("U.*native_f2");
llvm_nm()
.input(rust_lib_name("rust_dep_up"))
.run()
.assert_stdout_contains_regex("U.*native_f3");
llvm_nm()
.input(rust_lib_name("rust_dep_up"))
.run()
.assert_stdout_contains_regex("T.*rust_dep_up");
llvm_ar()
.table_of_contents()
.arg(rust_lib_name("rust_dep_up"))
.run()
.assert_stdout_contains("native_dep_2");
llvm_ar()
.table_of_contents()
.arg(rust_lib_name("rust_dep_up"))
.run()
.assert_stdout_contains("native_dep_3");
rustc()
.input("rust_dep_local.rs")
.extern_("rlib", rust_lib_name("rust_dep_up"))
.arg("-Zpacked_bundled_libs")
.crate_type("rlib")
.run();
llvm_nm()
.input(rust_lib_name("rust_dep_local"))
.run()
.assert_stdout_contains_regex("U.*native_f1");
llvm_nm()
.input(rust_lib_name("rust_dep_local"))
.run()
.assert_stdout_contains_regex("T.*rust_dep_local");
llvm_ar()
.table_of_contents()
.arg(rust_lib_name("rust_dep_local"))
.run()
.assert_stdout_contains("native_dep_1");
// Ensure the compiler will not use files it should not know about.
for file in shallow_find_files(cwd(), |path| filename_contains(path, "native_dep_")) {
rfs::remove_file(file);
}
rustc()
.input("main.rs")
.extern_("lib", rust_lib_name("rust_dep_local"))
.output(bin_name("main"))
.arg("-Zpacked_bundled_libs")
.print("link-args")
.run()
.assert_stdout_contains_regex("native_dep_1.*native_dep_2.*native_dep_3");
// The binary "main" will not contain any symbols on MSVC.
if !is_windows_msvc() {
llvm_nm().input(bin_name("main")).run().assert_stdout_contains_regex("T.*native_f1");
llvm_nm().input(bin_name("main")).run().assert_stdout_contains_regex("T.*native_f2");
llvm_nm().input(bin_name("main")).run().assert_stdout_contains_regex("T.*native_f3");
llvm_nm().input(bin_name("main")).run().assert_stdout_contains_regex("T.*rust_dep_local");
llvm_nm().input(bin_name("main")).run().assert_stdout_contains_regex("T.*rust_dep_up");
}
}
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