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rewrite link-cfg to rmake

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Oneirical 2024-07-29 14:33:54 -04:00
parent 4db3d12e6f
commit e9f45e1eb2
3 changed files with 43 additions and 24 deletions
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1
src/tools/tidy/src/allowed_run_make_makefiles.txt
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@ -25,7 +25,6 @@ run-make/libs-through-symlinks/Makefile
run-make/libtest-json/Makefile run-make/libtest-json/Makefile
run-make/libtest-junit/Makefile run-make/libtest-junit/Makefile
run-make/libtest-thread-limit/Makefile run-make/libtest-thread-limit/Makefile
run-make/link-cfg/Makefile
run-make/long-linker-command-lines-cmd-exe/Makefile run-make/long-linker-command-lines-cmd-exe/Makefile
run-make/long-linker-command-lines/Makefile run-make/long-linker-command-lines/Makefile
run-make/macos-deployment-target/Makefile run-make/macos-deployment-target/Makefile

23
tests/run-make/link-cfg/Makefile
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@ -1,23 +0,0 @@
# ignore-cross-compile
include ../tools.mk
all: $(call DYLIB,return1) $(call DYLIB,return2) $(call NATIVE_STATICLIB,return3)
ls $(TMPDIR)
$(BARE_RUSTC) --print cfg --target x86_64-unknown-linux-musl | $(CGREP) crt-static
$(RUSTC) no-deps.rs --cfg foo
$(call RUN,no-deps)
$(RUSTC) no-deps.rs --cfg bar
$(call RUN,no-deps)
$(RUSTC) dep.rs
$(RUSTC) with-deps.rs --cfg foo
$(call RUN,with-deps)
$(RUSTC) with-deps.rs --cfg bar
$(call RUN,with-deps)
$(RUSTC) dep-with-staticlib.rs
$(RUSTC) with-staticlib-deps.rs --cfg foo
$(call RUN,with-staticlib-deps)
$(RUSTC) with-staticlib-deps.rs --cfg bar
$(call RUN,with-staticlib-deps)

43
tests/run-make/link-cfg/rmake.rs Normal file
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@ -0,0 +1,43 @@
// The `#[link(cfg(..))]` annotation means that the `#[link]`
// directive is only active in a compilation unit if that `cfg` value is satisfied.
// For example, when compiling an rlib, these directives are just encoded and
// ignored for dylibs, and all staticlibs are continued to be put into the rlib as
// usual. When placing that rlib into a staticlib, executable, or dylib, however,
// the `cfg` is evaluated *as if it were defined in the final artifact* and the
// library is decided to be linked or not.
// This test exercises this new feature by testing it with no dependencies, then
// with only dynamic libraries, then with both a staticlib and dylibs. Compilation
// and execution should be successful.
// See https://github.com/rust-lang/rust/pull/37545
//@ ignore-cross-compile
// Reason: the compiled binary is executed
use run_make_support::{bare_rustc, build_native_dynamic_lib, build_native_static_lib, run, rustc};
fn main() {
build_native_dynamic_lib("return1");
build_native_dynamic_lib("return2");
build_native_static_lib("return3");
bare_rustc()
.print("cfg")
.target("x86_64-unknown-linux-musl")
.run()
.assert_stdout_contains("crt-static");
rustc().input("no-deps.rs").cfg("foo").run();
run("no-deps");
rustc().input("no-deps.rs").cfg("bar").run();
run("no-deps");
rustc().input("dep.rs").run();
rustc().input("with-deps.rs").cfg("foo").run();
run("with-deps");
rustc().input("with-deps.rs").cfg("bar").run();
run("with-deps");
rustc().input("dep-with-staticlib.rs").run();
rustc().input("with-staticlib-deps.rs").cfg("foo").run();
run("with-staticlib-deps");
rustc().input("with-staticlib-deps.rs").cfg("bar").run();
run("with-staticlib-deps");
}