2 files changed, 50 insertions, 0 deletions
diff --git a/tests/scripts/variables/LIBPATTERNS b/tests/scripts/variables/LIBPATTERNS
new file mode 100644
index 0000000..826f2fa
--- /dev/null
+++ b/tests/scripts/variables/LIBPATTERNS
@@ -0,0 +1,38 @@
+#                                                                    -*-perl-*-
+
+$description = "Test .LIBPATTERNS special variable.";
+
+$details = "";
+
+# TEST 0: basics
+
+touch('mtest_foo.a');
+
+run_make_test('
+.LIBPATTERNS = mtest_%.a
+all: -lfoo ; @echo "build $@ from $<"
+',
+              '', "build all from mtest_foo.a\n");
+
+# TEST 1: Handle elements that are not patterns.
+
+run_make_test('
+.LIBPATTERNS = mtest_foo.a mtest_%.a
+all: -lfoo ; @echo "build $@ from $<"
+',
+              '', "#MAKE#: .LIBPATTERNS element `mtest_foo.a' is not a pattern
+build all from mtest_foo.a\n");
+
+# TEST 2: target-specific override
+
+# Uncomment this when we add support, see Savannah bug #25703
+# run_make_test('
+# .LIBPATTERNS = mbad_%.a
+# all: .LIBPATTERNS += mtest_%.a
+# all: -lfoo ; @echo "build $@ from $<"
+# ',
+#               '', "build all from mtest_foo.a\n");
+
+unlink('mtest_foo.a');
+
+1;
diff --git a/tests/scripts/variables/automatic b/tests/scripts/variables/automatic
index c0fdff8..33c482d 100644
--- a/tests/scripts/variables/automatic
+++ b/tests/scripts/variables/automatic
@@ -107,4 +107,16 @@ bar: ;',
 
 unlink('foo');
 
+# TEST #4: ensure prereq ordering is correct when the commmand target has none
+# See Savannah bug #21198
+
+run_make_test('
+all : A B
+all : ; @echo $@ -- $^ -- $<
+all : C D
+all : E F
+A B C D E F G H : ; @:
+',
+              '', "all -- A B C D E F -- A\n");
+
 1;