Support proc macro test dependencies

Author: bjorn3

src/dependencies.rs

@@ -108,11 +108,12 @@ pub(crate) fn build_dependencies(config: &Config) -> Result<Dependencies> {
                 continue;
             }
             // Check that we only collect rmeta and rlib crates, not build script crates
-            if artifact
-                .filenames
-                .iter()
-                .any(|f| !matches!(f.extension(), Some("rlib" | "rmeta")))
-            {
+            if artifact.filenames.iter().any(|f| {
+                !matches!(
+                    f.extension(),
+                    Some("rlib" | "rmeta" | "so" | "dylib" | "dll")
+                )
+            }) {
                 continue;
             }
             for filename in &artifact.filenames {

tests/integrations/basic/Cargo.lock

@@ -13,6 +13,7 @@ Building aux file tests/actual_tests/auxiliary/derive_proc_macro.rs ... ok
 tests/actual_tests/aux_derive.rs ... ok
 Building aux file tests/actual_tests/auxiliary/the_proc_macro.rs ... ok
 tests/actual_tests/aux_proc_macro.rs ... ok
+tests/actual_tests/dep_derive.rs ... ok
 tests/actual_tests/error_above.rs ... ok
 tests/actual_tests/executable.rs ... ok
 tests/actual_tests/foomp-rustfix.rs ... ok
@@ -28,7 +29,7 @@ tests/actual_tests/unicode.rs ... ok
 tests/actual_tests/windows_paths.rs ... ok
 tests/actual_tests/subdir/aux_proc_macro.rs ... ok
 
-test result: ok. 16 passed;
+test result: ok. 17 passed;
 
 
 running 0 tests

tests/integrations/basic/Cargo.stdout

@@ -5,6 +5,9 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[dependencies]
+serde_derive = "1.0"
+
 [dev-dependencies]
 ui_test = { path = "../../.."}
 tempfile = "3.3.0"

tests/integrations/basic/Cargo.toml

@@ -0,0 +1,6 @@
+//@run
+
+#[macro_use]
+extern crate serde_derive;
+
+fn main() {}

tests/integrations/basic/tests/actual_tests/dep_derive.rs

@@ -0,0 +1,10 @@
+warning: unused `#[macro_use]` import
+ --> tests/actual_tests/dep_derive.rs:3:1
+  |
+3 | #[macro_use]
+  | ^^^^^^^^^^^^
+  |
+  = note: `#[warn(unused_imports)]` on by default
+
+warning: 1 warning emitted
+