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| -rw-r--r-- | src/compiletest/compiletest.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/compiletest/compiletest.rs b/src/compiletest/compiletest.rs index d57ffe1533c..bbace16f059 100644 --- a/src/compiletest/compiletest.rs +++ b/src/compiletest/compiletest.rs @@ -299,6 +299,15 @@ fn collect_tests_from_dir(config: &Config, let file_path = file.path(); debug!("inspecting file {:?}", file_path.display()); if is_test(config, &file_path) { + // If we find a test foo/bar.rs, we have to build the + // output directory `$build/foo` so we can write + // `$build/foo/bar` into it. We do this *now* in this + // sequential loop because otherwise, if we do it in the + // tests themselves, they race for the privilege of + // creating the directories and sometimes fail randomly. + let build_dir = config.build_base.join(&relative_dir_path); + fs::create_dir_all(&build_dir).unwrap(); + let paths = TestPaths { file: file_path, base: base.to_path_buf(), |