From 2416f460f8ae0aa7ed0a47a1c2ed2c3d96645435 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 31 May 2024 10:47:30 +0200 Subject: [PATCH 1/2] Add `dynamic_lib_extension` and `read_dir` functions to `run-make-support` library --- src/tools/run-make-support/src/lib.rs | 38 ++++++++++++++++++--------- 1 file changed, 26 insertions(+), 12 deletions(-) diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 0cf64db6ac9c0..323fc40e6481e 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -123,12 +123,23 @@ pub fn dynamic_lib_name(name: &str) -> String { // ``` assert!(!name.contains(char::is_whitespace), "dynamic library name cannot contain whitespace"); + let extension = dynamic_lib_extension(); if is_darwin() { - format!("lib{name}.dylib") + format!("lib{name}.{extension}") } else if is_windows() { - format!("{name}.dll") + format!("{name}.{extension}") } else { - format!("lib{name}.so") + format!("lib{name}.{extension}") + } +} + +pub fn dynamic_lib_extension() -> &'static str { + if is_darwin() { + "dylib" + } else if is_windows() { + "dll" + } else { + "so" } } @@ -249,16 +260,13 @@ pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { } let dir2 = dir2.as_ref(); - for entry in fs::read_dir(dir1).unwrap() { - let entry = entry.unwrap(); - let entry_name = entry.file_name(); - let path = entry.path(); - - if path.is_dir() { - recursive_diff(&path, &dir2.join(entry_name)); + read_dir(dir1, |entry_path| { + let entry_name = entry_path.file_name().unwrap(); + if entry_path.is_dir() { + recursive_diff(&entry_path, &dir2.join(entry_name)); } else { let path2 = dir2.join(entry_name); - let file1 = read_file(&path); + let file1 = read_file(&entry_path); let file2 = read_file(&path2); // We don't use `assert_eq!` because they are `Vec`, so not great for display. @@ -267,10 +275,16 @@ pub fn recursive_diff(dir1: impl AsRef, dir2: impl AsRef) { assert!( file1 == file2, "`{}` and `{}` have different content", - path.display(), + entry_path.display(), path2.display(), ); } + }); +} + +pub fn read_dir(dir: impl AsRef, callback: F) { + for entry in fs::read_dir(dir).unwrap() { + callback(&entry.unwrap().path()); } } From 32933a6869281aaa7718be4c42f5a2b0c9c9c4cf Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Fri, 31 May 2024 10:47:57 +0200 Subject: [PATCH 2/2] Migrate `run-make/c-link-to-rust-dylib` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/c-link-to-rust-dylib/Makefile | 21 ---------- tests/run-make/c-link-to-rust-dylib/rmake.rs | 41 +++++++++++++++++++ 3 files changed, 41 insertions(+), 22 deletions(-) delete mode 100644 tests/run-make/c-link-to-rust-dylib/Makefile create mode 100644 tests/run-make/c-link-to-rust-dylib/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index ebe9d2b7bb0b9..57637f7ae642b 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -6,7 +6,6 @@ run-make/bare-outfile/Makefile run-make/branch-protection-check-IBT/Makefile run-make/c-dynamic-dylib/Makefile run-make/c-dynamic-rlib/Makefile -run-make/c-link-to-rust-dylib/Makefile run-make/c-static-dylib/Makefile run-make/c-static-rlib/Makefile run-make/c-unwind-abi-catch-lib-panic/Makefile diff --git a/tests/run-make/c-link-to-rust-dylib/Makefile b/tests/run-make/c-link-to-rust-dylib/Makefile deleted file mode 100644 index 201f717ece49c..0000000000000 --- a/tests/run-make/c-link-to-rust-dylib/Makefile +++ /dev/null @@ -1,21 +0,0 @@ -# This test checks that C linking with Rust does not encounter any errors, with dynamic libraries. -# See https://github.com/rust-lang/rust/issues/10434 - -# ignore-cross-compile -include ../tools.mk - -all: $(TMPDIR)/$(call BIN,bar) - $(call RUN,bar) - $(call REMOVE_DYLIBS,foo) - $(call FAIL,bar) - -ifdef IS_MSVC -$(TMPDIR)/$(call BIN,bar): $(call DYLIB,foo) - $(CC) bar.c $(TMPDIR)/foo.dll.lib $(call OUT_EXE,bar) -else -$(TMPDIR)/$(call BIN,bar): $(call DYLIB,foo) - $(CC) bar.c -lfoo -o $(call RUN_BINFILE,bar) -L $(TMPDIR) -endif - -$(call DYLIB,foo): foo.rs - $(RUSTC) foo.rs diff --git a/tests/run-make/c-link-to-rust-dylib/rmake.rs b/tests/run-make/c-link-to-rust-dylib/rmake.rs new file mode 100644 index 0000000000000..5c4b6d7864964 --- /dev/null +++ b/tests/run-make/c-link-to-rust-dylib/rmake.rs @@ -0,0 +1,41 @@ +// This test checks that C linking with Rust does not encounter any errors, with dynamic libraries. +// See . + +//@ ignore-cross-compile + +use std::fs::remove_file; + +use run_make_support::{ + cc, dynamic_lib_extension, is_msvc, read_dir, run, run_fail, rustc, tmp_dir, +}; + +fn main() { + rustc().input("foo.rs").run(); + + if is_msvc() { + let lib = tmp_dir().join("foo.dll.lib"); + + cc().input("bar.c").arg(lib).out_exe("bar").run(); + } else { + cc().input("bar.c") + .arg("-lfoo") + .output(tmp_dir().join("bar")) + .library_search_path(tmp_dir()) + .run(); + } + + run("bar"); + + let expected_extension = dynamic_lib_extension(); + read_dir(tmp_dir(), |path| { + if path.is_file() + && path.extension().is_some_and(|ext| ext == expected_extension) + && path.file_name().and_then(|name| name.to_str()).is_some_and(|name| { + name.ends_with(".so") || name.ends_with(".dll") || name.ends_with(".dylib") + }) + { + remove_file(path).unwrap(); + } + }); + run_fail("bar"); +}