2021-06-04 23:15:31 +00:00
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//! Tests for additional link arguments.
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2020-07-02 09:45:41 +00:00
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2021-06-09 20:41:51 +00:00
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// NOTE: Many of these tests use `without_status()` when passing bogus flags
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// because MSVC link.exe just gives a warning on unknown flags (how helpful!),
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// and other linkers will return an error.
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use cargo_test_support::registry::Package;
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2022-01-08 15:09:11 +00:00
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use cargo_test_support::{basic_bin_manifest, basic_lib_manifest, basic_manifest, project};
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2020-07-02 09:45:41 +00:00
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#[cargo_test]
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2020-07-02 10:58:10 +00:00
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fn build_script_extra_link_arg_bin() {
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2020-07-02 09:45:41 +00:00
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let p = project()
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.file("Cargo.toml", &basic_bin_manifest("foo"))
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.file("src/main.rs", "fn main() {}")
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.file(
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"build.rs",
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r#"
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fn main() {
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2023-06-11 08:02:03 +00:00
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println!("cargo::rustc-link-arg-bins=--this-is-a-bogus-flag");
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2020-07-02 09:45:41 +00:00
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}
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"#,
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)
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.build();
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2021-06-04 23:15:31 +00:00
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p.cargo("build -v")
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2020-07-02 11:48:30 +00:00
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.without_status()
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2020-07-02 09:45:41 +00:00
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.with_stderr_contains(
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"[RUNNING] `rustc --crate-name foo [..]-C link-arg=--this-is-a-bogus-flag[..]",
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)
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.run();
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}
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2021-05-20 19:41:17 +00:00
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#[cargo_test]
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fn build_script_extra_link_arg_bin_single() {
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foobar"
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version = "0.5.0"
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authors = ["wycats@example.com"]
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[[bin]]
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name = "foo"
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[[bin]]
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name = "bar"
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.file(
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"build.rs",
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r#"
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fn main() {
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2023-06-11 08:02:03 +00:00
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println!("cargo::rustc-link-arg-bins=--bogus-flag-all");
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println!("cargo::rustc-link-arg-bin=foo=--bogus-flag-foo");
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println!("cargo::rustc-link-arg-bin=bar=--bogus-flag-bar");
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2021-05-20 19:41:17 +00:00
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}
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"#,
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)
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.build();
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2021-06-04 23:15:31 +00:00
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p.cargo("build -v")
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2021-05-20 19:41:17 +00:00
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.without_status()
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.with_stderr_contains(
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"[RUNNING] `rustc --crate-name foo [..]-C link-arg=--bogus-flag-all -C link-arg=--bogus-flag-foo[..]",
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)
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.with_stderr_contains(
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"[RUNNING] `rustc --crate-name bar [..]-C link-arg=--bogus-flag-all -C link-arg=--bogus-flag-bar[..]",
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)
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.run();
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}
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2020-07-02 09:45:41 +00:00
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#[cargo_test]
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2020-07-02 10:58:10 +00:00
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fn build_script_extra_link_arg() {
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2020-07-02 09:45:41 +00:00
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let p = project()
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.file("Cargo.toml", &basic_bin_manifest("foo"))
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.file("src/main.rs", "fn main() {}")
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.file(
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"build.rs",
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r#"
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fn main() {
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2023-06-11 08:02:03 +00:00
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println!("cargo::rustc-link-arg=--this-is-a-bogus-flag");
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2020-07-02 09:45:41 +00:00
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}
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"#,
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)
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.build();
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2021-06-04 23:15:31 +00:00
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p.cargo("build -v")
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2020-07-02 11:48:30 +00:00
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.without_status()
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2020-07-02 09:45:41 +00:00
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.with_stderr_contains(
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"[RUNNING] `rustc --crate-name foo [..]-C link-arg=--this-is-a-bogus-flag[..]",
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)
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.run();
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}
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2021-05-29 23:00:35 +00:00
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#[cargo_test]
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fn link_arg_missing_target() {
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// Errors when a given target doesn't exist.
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let p = project()
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.file("src/lib.rs", "")
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.file(
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"build.rs",
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2023-06-11 08:02:03 +00:00
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r#"fn main() { println!("cargo::rustc-link-arg-cdylib=--bogus"); }"#,
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2021-05-29 23:00:35 +00:00
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)
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.build();
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2021-06-09 20:41:51 +00:00
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// TODO: Uncomment this if cdylib restriction is re-added (see
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// cdylib_link_arg_transitive below).
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// p.cargo("check")
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// .with_status(101)
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// .with_stderr("\
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// [COMPILING] foo [..]
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2023-06-11 08:02:03 +00:00
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// error: invalid instruction `cargo::rustc-link-arg-cdylib` from build script of `foo v0.0.1 ([ROOT]/foo)`
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2021-06-09 20:41:51 +00:00
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// The package foo v0.0.1 ([ROOT]/foo) does not have a cdylib target.
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// ")
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// .run();
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2021-05-29 23:00:35 +00:00
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p.change_file(
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"build.rs",
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2023-06-11 08:02:03 +00:00
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r#"fn main() { println!("cargo::rustc-link-arg-bins=--bogus"); }"#,
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2021-05-29 23:00:35 +00:00
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);
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2021-06-04 23:15:31 +00:00
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p.cargo("check")
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2021-05-29 23:00:35 +00:00
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.with_status(101)
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.with_stderr("\
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[COMPILING] foo [..]
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2023-06-11 08:02:03 +00:00
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error: invalid instruction `cargo::rustc-link-arg-bins` from build script of `foo v0.0.1 ([ROOT]/foo)`
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2021-05-29 23:00:35 +00:00
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The package foo v0.0.1 ([ROOT]/foo) does not have a bin target.
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")
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.run();
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p.change_file(
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"build.rs",
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2023-06-11 08:02:03 +00:00
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r#"fn main() { println!("cargo::rustc-link-arg-bin=abc=--bogus"); }"#,
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2021-05-29 23:00:35 +00:00
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);
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2021-06-04 23:15:31 +00:00
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p.cargo("check")
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2021-05-29 23:00:35 +00:00
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.with_status(101)
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.with_stderr(
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"\
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[COMPILING] foo [..]
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2023-06-11 08:02:03 +00:00
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error: invalid instruction `cargo::rustc-link-arg-bin` from build script of `foo v0.0.1 ([ROOT]/foo)`
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2021-05-29 23:00:35 +00:00
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The package foo v0.0.1 ([ROOT]/foo) does not have a bin target with the name `abc`.
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2021-05-29 23:12:11 +00:00
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",
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)
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.run();
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p.change_file(
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"build.rs",
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2023-06-11 08:02:03 +00:00
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r#"fn main() { println!("cargo::rustc-link-arg-bin=abc"); }"#,
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2021-05-29 23:12:11 +00:00
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);
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2021-06-04 23:15:31 +00:00
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p.cargo("check")
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2021-05-29 23:12:11 +00:00
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.with_status(101)
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.with_stderr(
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"\
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[COMPILING] foo [..]
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2023-06-11 08:02:03 +00:00
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error: invalid instruction `cargo::rustc-link-arg-bin=abc` from build script of `foo v0.0.1 ([ROOT]/foo)`
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The instruction should have the form cargo::rustc-link-arg-bin=BIN=ARG
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2021-05-29 23:00:35 +00:00
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",
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)
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.run();
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}
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2021-06-09 20:41:51 +00:00
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#[cargo_test]
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fn cdylib_link_arg_transitive() {
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// There was an unintended regression in 1.50 where rustc-link-arg-cdylib
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// arguments from dependencies were being applied in the parent package.
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// Previously it was silently ignored.
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// See https://github.com/rust-lang/cargo/issues/9562
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[lib]
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crate-type = ["cdylib"]
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[dependencies]
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bar = {path="bar"}
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"#,
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)
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.file("src/lib.rs", "")
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.file("bar/Cargo.toml", &basic_manifest("bar", "1.0.0"))
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.file("bar/src/lib.rs", "")
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.file(
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"bar/build.rs",
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r#"
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fn main() {
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2023-06-11 08:02:03 +00:00
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println!("cargo::rustc-link-arg-cdylib=--bogus");
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2021-06-09 20:41:51 +00:00
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}
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"#,
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)
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.build();
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p.cargo("build -v")
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.without_status()
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.with_stderr_contains(
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"\
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[COMPILING] bar v1.0.0 [..]
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[RUNNING] `rustc --crate-name build_script_build bar/build.rs [..]
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[RUNNING] `[..]build-script-build[..]
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2023-06-11 08:02:03 +00:00
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warning: bar@1.0.0: cargo::rustc-link-arg-cdylib was specified in the build script of bar v1.0.0 \
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2021-06-09 20:41:51 +00:00
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([ROOT]/foo/bar), but that package does not contain a cdylib target
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Allowing this was an unintended change in the 1.50 release, and may become an error in \
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the future. For more information, see <https://github.com/rust-lang/cargo/issues/9562>.
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[RUNNING] `rustc --crate-name bar bar/src/lib.rs [..]
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[COMPILING] foo v0.1.0 [..]
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[RUNNING] `rustc --crate-name foo src/lib.rs [..]-C link-arg=--bogus[..]`
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",
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)
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.run();
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}
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#[cargo_test]
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fn link_arg_transitive_not_allowed() {
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// Verify that transitive dependencies don't pass link args.
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//
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// Note that rustc-link-arg doesn't have any errors or warnings when it is
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// unused. Perhaps that could be more aggressive, but it is difficult
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// since it could be used for test binaries.
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Package::new("bar", "1.0.0")
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.file("src/lib.rs", "")
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.file(
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"build.rs",
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r#"
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fn main() {
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2023-06-11 08:02:03 +00:00
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println!("cargo::rustc-link-arg=--bogus");
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2021-06-09 20:41:51 +00:00
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}
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"#,
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)
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[lib]
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crate-type = ["cdylib"]
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[dependencies]
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bar = "1.0"
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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2021-06-04 23:15:31 +00:00
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p.cargo("build -v")
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2021-06-09 20:41:51 +00:00
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.with_stderr(
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"\
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[UPDATING] [..]
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[DOWNLOADING] [..]
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[DOWNLOADED] [..]
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[COMPILING] bar v1.0.0
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[RUNNING] `rustc --crate-name build_script_build [..]
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[RUNNING] `[..]/build-script-build[..]
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[RUNNING] `rustc --crate-name bar [..]
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[COMPILING] foo v0.1.0 [..]
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[RUNNING] `rustc --crate-name foo src/lib.rs [..]
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[FINISHED] dev [..]
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",
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)
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.with_stderr_does_not_contain("--bogus")
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.run();
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}
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2021-09-16 13:18:35 +00:00
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#[cargo_test]
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fn link_arg_with_doctest() {
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let p = project()
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.file(
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"src/lib.rs",
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r#"
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//! ```
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//! let x = 5;
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//! assert_eq!(x, 5);
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//! ```
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"#,
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)
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.file(
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"build.rs",
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r#"
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fn main() {
|
2023-06-11 08:02:03 +00:00
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println!("cargo::rustc-link-arg=--this-is-a-bogus-flag");
|
2021-09-16 13:18:35 +00:00
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}
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"#,
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)
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.build();
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p.cargo("test --doc -v")
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.without_status()
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.with_stderr_contains(
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"[RUNNING] `rustdoc [..]--crate-name foo [..]-C link-arg=--this-is-a-bogus-flag[..]",
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)
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.run();
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}
|
2022-01-08 15:09:11 +00:00
|
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#[cargo_test]
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fn build_script_extra_link_arg_tests() {
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let p = project()
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.file("Cargo.toml", &basic_lib_manifest("foo"))
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.file("src/lib.rs", "")
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.file("tests/test_foo.rs", "")
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.file(
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"build.rs",
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r#"
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fn main() {
|
2023-06-11 08:02:03 +00:00
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println!("cargo::rustc-link-arg-tests=--this-is-a-bogus-flag");
|
2022-01-08 15:09:11 +00:00
|
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}
|
|
|
|
"#,
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)
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.build();
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p.cargo("test -v")
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.without_status()
|
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.with_stderr_contains(
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|
|
"[RUNNING] `rustc --crate-name test_foo [..]-C link-arg=--this-is-a-bogus-flag[..]",
|
|
|
|
)
|
|
|
|
.run();
|
|
|
|
}
|
|
|
|
|
|
|
|
#[cargo_test]
|
|
|
|
fn build_script_extra_link_arg_benches() {
|
|
|
|
let p = project()
|
|
|
|
.file("Cargo.toml", &basic_lib_manifest("foo"))
|
|
|
|
.file("src/lib.rs", "")
|
|
|
|
.file("benches/bench_foo.rs", "")
|
|
|
|
.file(
|
|
|
|
"build.rs",
|
|
|
|
r#"
|
|
|
|
fn main() {
|
2023-06-11 08:02:03 +00:00
|
|
|
println!("cargo::rustc-link-arg-benches=--this-is-a-bogus-flag");
|
2022-01-08 15:09:11 +00:00
|
|
|
}
|
|
|
|
"#,
|
|
|
|
)
|
|
|
|
.build();
|
|
|
|
|
|
|
|
p.cargo("bench -v")
|
|
|
|
.without_status()
|
|
|
|
.with_stderr_contains(
|
|
|
|
"[RUNNING] `rustc --crate-name bench_foo [..]-C link-arg=--this-is-a-bogus-flag[..]",
|
|
|
|
)
|
|
|
|
.run();
|
|
|
|
}
|
|
|
|
|
|
|
|
#[cargo_test]
|
|
|
|
fn build_script_extra_link_arg_examples() {
|
|
|
|
let p = project()
|
|
|
|
.file("Cargo.toml", &basic_lib_manifest("foo"))
|
|
|
|
.file("src/lib.rs", "")
|
|
|
|
.file("examples/example_foo.rs", "fn main() {}")
|
|
|
|
.file(
|
|
|
|
"build.rs",
|
|
|
|
r#"
|
|
|
|
fn main() {
|
2023-06-11 08:02:03 +00:00
|
|
|
println!("cargo::rustc-link-arg-examples=--this-is-a-bogus-flag");
|
2022-01-08 15:09:11 +00:00
|
|
|
}
|
|
|
|
"#,
|
|
|
|
)
|
|
|
|
.build();
|
|
|
|
|
|
|
|
p.cargo("build -v --examples")
|
|
|
|
.without_status()
|
|
|
|
.with_stderr_contains(
|
|
|
|
"[RUNNING] `rustc --crate-name example_foo [..]-C link-arg=--this-is-a-bogus-flag[..]",
|
|
|
|
)
|
|
|
|
.run();
|
|
|
|
}
|