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// This test exercises the `bundle` link argument, which can be turned on or off.
// When building a rlib or staticlib, +bundle means that all object files from the native static
// library will be added to the rlib or staticlib archive, and then used from it during linking of
// the final binary.
// When building a rlib -bundle means that the native static library is registered as a dependency
// of that rlib "by name", and object files from it are included only during linking of the final
// binary, the file search by that name is also performed during final linking.
// When building a staticlib -bundle means that the native static library is simply not included
// into the archive and some higher level build system will need to add it later during linking of
// the final binary.
// This modifier has no effect when building other targets like executables or dynamic libraries.
// The default for this modifier is +bundle.
// See https://github.com/rust-lang/rust/pull/95818
//@ ignore-cross-compile
// Reason: cross-compilation fails to export native symbols
use run_make_support::{
build_native_static_lib, dynamic_lib_name, is_windows_msvc, llvm_nm, rust_lib_name, rustc,
static_lib_name,
};
fn main() {
build_native_static_lib("native-staticlib");
// Build a staticlib and a rlib, the `native_func` symbol will be bundled into them
rustc().input("bundled.rs").crate_type("staticlib").crate_type("rlib").run();
llvm_nm()
.input(static_lib_name("bundled"))
.run()
.assert_stdout_contains_regex("T _*native_func");
llvm_nm()
.input(static_lib_name("bundled"))
.run()
.assert_stdout_contains_regex("U _*native_func");
llvm_nm().input(rust_lib_name("bundled")).run().assert_stdout_contains_regex("T _*native_func");
llvm_nm().input(rust_lib_name("bundled")).run().assert_stdout_contains_regex("U _*native_func");
// Build a staticlib and a rlib, the `native_func` symbol will not be bundled into it
build_native_static_lib("native-staticlib");
rustc().input("non-bundled.rs").crate_type("staticlib").crate_type("rlib").run();
llvm_nm()
.input(static_lib_name("non_bundled"))
.run()
.assert_stdout_not_contains_regex("T _*native_func");
llvm_nm()
.input(static_lib_name("non_bundled"))
.run()
.assert_stdout_contains_regex("U _*native_func");
llvm_nm()
.input(rust_lib_name("non_bundled"))
.run()
.assert_stdout_not_contains_regex("T _*native_func");
llvm_nm()
.input(rust_lib_name("non_bundled"))
.run()
.assert_stdout_contains_regex("U _*native_func");
// This part of the test does not function on Windows MSVC - no symbols are printed.
if !is_windows_msvc() {
// Build a cdylib, `native-staticlib` will not appear on the linker line because it was
// bundled previously. The cdylib will contain the `native_func` symbol in the end.
rustc()
.input("cdylib-bundled.rs")
.crate_type("cdylib")
.print("link-args")
.run()
.assert_stdout_not_contains(r#"-l[" ]*native-staticlib"#);
llvm_nm()
.input(dynamic_lib_name("cdylib_bundled"))
.run()
.assert_stdout_contains_regex("[Tt] _*native_func");
// Build a cdylib, `native-staticlib` will appear on the linker line because it was not
// bundled previously. The cdylib will contain the `native_func` symbol in the end
rustc()
.input("cdylib-non-bundled.rs")
.crate_type("cdylib")
.print("link-args")
.run()
.assert_stdout_contains_regex(r#"-l[" ]*native-staticlib"#);
llvm_nm()
.input(dynamic_lib_name("cdylib_non_bundled"))
.run()
.assert_stdout_contains_regex("[Tt] _*native_func");
}
}
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