6 files changed, 29 insertions, 0 deletions
diff --git a/tests/run-make/extern-flag-fun/Makefile b/tests/run-make/extern-flag-fun/Makefile
new file mode 100644
index 000000000..687cdfd76
--- /dev/null
+++ b/tests/run-make/extern-flag-fun/Makefile
@@ -0,0 +1,20 @@
+# ignore-cross-compile
+include ../tools.mk
+
+all:
+	$(RUSTC) bar.rs --crate-type=rlib
+	$(RUSTC) bar.rs --crate-type=rlib -C extra-filename=-a
+	$(RUSTC) bar-alt.rs --crate-type=rlib
+	$(RUSTC) foo.rs --extern bar=no-exist && exit 1 || exit 0
+	$(RUSTC) foo.rs --extern bar=foo.rs && exit 1 || exit 0
+	$(RUSTC) foo.rs \
+		--extern bar=$(TMPDIR)/libbar.rlib \
+		--extern bar=$(TMPDIR)/libbar-alt.rlib \
+		&& exit 1 || exit 0
+	$(RUSTC) foo.rs \
+		--extern bar=$(TMPDIR)/libbar.rlib \
+		--extern bar=$(TMPDIR)/libbar-a.rlib
+	$(RUSTC) foo.rs --extern bar=$(TMPDIR)/libbar.rlib
+	# Try to be sneaky and load a private crate from with a non-private name.
+	$(RUSTC) rustc.rs -Zforce-unstable-if-unmarked --crate-type=rlib
+	$(RUSTC) gated_unstable.rs --extern alloc=$(TMPDIR)/librustc.rlib 2>&1 | $(CGREP) 'rustc_private'
diff --git a/tests/run-make/extern-flag-fun/bar-alt.rs b/tests/run-make/extern-flag-fun/bar-alt.rs
new file mode 100644
index 000000000..cdc6c27d8
--- /dev/null
+++ b/tests/run-make/extern-flag-fun/bar-alt.rs
@@ -0,0 +1 @@
+pub fn f() {}
diff --git a/tests/run-make/extern-flag-fun/bar.rs b/tests/run-make/extern-flag-fun/bar.rs
new file mode 100644
index 000000000..d11c69f81
--- /dev/null
+++ b/tests/run-make/extern-flag-fun/bar.rs
@@ -0,0 +1 @@
+// intentionally empty
diff --git a/tests/run-make/extern-flag-fun/foo.rs b/tests/run-make/extern-flag-fun/foo.rs
new file mode 100644
index 000000000..0edda7d7b
--- /dev/null
+++ b/tests/run-make/extern-flag-fun/foo.rs
@@ -0,0 +1,3 @@
+extern crate bar;
+
+fn main() {}
diff --git a/tests/run-make/extern-flag-fun/gated_unstable.rs b/tests/run-make/extern-flag-fun/gated_unstable.rs
new file mode 100644
index 000000000..03600c830
--- /dev/null
+++ b/tests/run-make/extern-flag-fun/gated_unstable.rs
@@ -0,0 +1,3 @@
+extern crate alloc;
+
+fn main() {}
diff --git a/tests/run-make/extern-flag-fun/rustc.rs b/tests/run-make/extern-flag-fun/rustc.rs
new file mode 100644
index 000000000..b76b4321d
--- /dev/null
+++ b/tests/run-make/extern-flag-fun/rustc.rs
@@ -0,0 +1 @@
+pub fn foo() {}