f1e5b365f0
this makes it much easier to understand test failures.
before:
```
diff of stderr:
1 error: linking with `LINKER` failed: exit status: 1
2 |
- ld: Undefined symbols:
4 _CFRunLoopGetTypeID, referenced from:
5 clang: error: linker command failed with exit code 1 (use -v to see invocation)
```
after:
```
=== HAYSTACK ===
error: linking with `cc` failed: exit status: 1
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= note: use `--verbose` to show all linker arguments
= note: Undefined symbols for architecture arm64:
"_CFRunLoopGetTypeID", referenced from:
main::main::hbb553f5dda62d3ea in main.main.d17f5fbe6225cf88-cgu.0.rcgu.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
error: aborting due to 1 previous error
=== NEEDLE ===
_CFRunLoopGetTypeID\.?, referenced from:
thread 'main' panicked at /Users/jyn/git/rust-lang/rust/tests/run-make/linkage-attr-framework/rmake.rs:22:10:
needle was not found in haystack
```
this also fixes a failure related to missing whitespace; we don't actually care about whitespace in this test.
27 lines
891 B
Rust
27 lines
891 B
Rust
//! Check that linking frameworks on Apple platforms works.
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//@ only-apple
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use run_make_support::{Rustc, run, rustc};
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fn compile(cfg: &str) -> Rustc {
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let mut rustc = rustc();
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rustc.cfg(cfg).input("main.rs");
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rustc
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}
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fn main() {
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for cfg in ["link", "weak", "both"] {
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compile(cfg).run();
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run("main");
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}
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let errs = compile("omit").run_fail();
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// The linker's exact error output changes between Xcode versions, depends on
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// linker invocation details, and the linker sometimes outputs more warnings.
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errs.assert_stderr_contains_regex(r"error: linking with `.*` failed");
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errs.assert_stderr_contains_regex(r"(Undefined symbols|ld: symbol[^\s]* not found)");
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errs.assert_stderr_contains_regex(r".?_CFRunLoopGetTypeID.?, referenced from:");
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errs.assert_stderr_contains("clang: error: linker command failed with exit code 1");
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}
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