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