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rewrite extern-flag-pathless to rmake

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Oneirical 2024-06-26 14:56:11 -04:00
parent c4c0897a26
commit 16df91b97a
3 changed files with 40 additions and 35 deletions
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1
src/tools/tidy/src/allowed_run_make_makefiles.txt
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@ -33,7 +33,6 @@ run-make/env-dep-info/Makefile
run-make/export-executable-symbols/Makefile
run-make/extern-diff-internal-name/Makefile
run-make/extern-flag-disambiguates/Makefile
run-make/extern-flag-pathless/Makefile
run-make/extern-fn-explicit-align/Makefile
run-make/extern-fn-generic/Makefile
run-make/extern-fn-mangle/Makefile

34
tests/run-make/extern-flag-pathless/Makefile
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@ -1,34 +0,0 @@
# ignore-cross-compile
include ../tools.mk
# Test mixing pathless --extern with paths.
# Test for static linking by checking that the binary runs if the dylib
# is removed and test for dynamic linking by checking that the binary
# fails to run if the dylib is removed.
all:
$(RUSTC) bar.rs --crate-type=rlib --crate-type=dylib -Cprefer-dynamic
# rlib preferred over dylib
$(RUSTC) foo.rs --extern bar
mv $(call DYLIB,bar) $(TMPDIR)/bar.tmp
$(call RUN,foo)
mv $(TMPDIR)/bar.tmp $(call DYLIB,bar)
$(RUSTC) foo.rs --extern bar=$(TMPDIR)/libbar.rlib --extern bar
mv $(call DYLIB,bar) $(TMPDIR)/bar.tmp
$(call RUN,foo)
mv $(TMPDIR)/bar.tmp $(call DYLIB,bar)
# explicit --extern overrides pathless
$(RUSTC) foo.rs --extern bar=$(call DYLIB,bar) --extern bar
mv $(call DYLIB,bar) $(TMPDIR)/bar.tmp
$(call FAIL,foo)
mv $(TMPDIR)/bar.tmp $(call DYLIB,bar)
# prefer-dynamic does what it says
$(RUSTC) foo.rs --extern bar -C prefer-dynamic
mv $(call DYLIB,bar) $(TMPDIR)/bar.tmp
$(call FAIL,foo)
mv $(TMPDIR)/bar.tmp $(call DYLIB,bar)

40
tests/run-make/extern-flag-pathless/rmake.rs Normal file
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@ -0,0 +1,40 @@
// It is possible, since #64882, to use the --extern flag without an explicit
// path. In the event of two --extern flags, the explicit one with a path will take
// priority, but otherwise, it is a more concise way of fetching specific libraries.
// This test checks that the default priority of explicit extern flags and rlibs is
// respected.
// See https://github.com/rust-lang/rust/pull/64882
use run_make_support::{dynamic_lib_name, fs_wrapper, run, run_fail, rust_lib_name, rustc};
fn main() {
rustc().input("bar.rs").crate_type("rlib").crate_type("dylib").arg("-Cprefer-dynamic").run();
// By default, the rlib has priority over the dylib.
rustc().input("foo.rs").arg("--extern").arg("bar").run();
fs_wrapper::rename(dynamic_lib_name("bar"), "bar.tmp");
run("foo");
fs_wrapper::rename("bar.tmp", dynamic_lib_name("bar"));
rustc().input("foo.rs").extern_("bar", rust_lib_name("bar")).arg("--extern").arg("bar").run();
fs_wrapper::rename(dynamic_lib_name("bar"), "bar.tmp");
run("foo");
fs_wrapper::rename("bar.tmp", dynamic_lib_name("bar"));
// The first explicit usage of extern overrides the second pathless --extern bar.
rustc()
.input("foo.rs")
.extern_("bar", dynamic_lib_name("bar"))
.arg("--extern")
.arg("bar")
.run();
fs_wrapper::rename(dynamic_lib_name("bar"), "bar.tmp");
run_fail("foo");
fs_wrapper::rename("bar.tmp", dynamic_lib_name("bar"));
// With prefer-dynamic, execution fails as it refuses to use the rlib.
rustc().input("foo.rs").arg("--extern").arg("bar").arg("-Cprefer-dynamic").run();
fs_wrapper::rename(dynamic_lib_name("bar"), "bar.tmp");
run_fail("foo");
fs_wrapper::rename("bar.tmp", dynamic_lib_name("bar"));
}