Add '189 same target name flat layout' test

run_unittests.py

@@ -1917,6 +1917,15 @@ int main(int argc, char **argv) {
         self.init(testdir, extra_args=['--layout=flat'])
         self.build()
 
+    def test_identical_target_name_in_subdir_flat_layout(self):
+        '''
+        Test that identical targets in different subdirs do not collide
+        if layout is flat.
+        '''
+        testdir = os.path.join(self.common_test_dir, '189 same target name flat layout')
+        self.init(testdir, extra_args=['--layout=flat'])
+        self.build()
+
     def test_flock(self):
         exception_raised = False
         with tempfile.TemporaryDirectory() as tdir:

test cases/common/189 same target name flat layout/foo.c

@@ -0,0 +1 @@
+int meson_test_main_foo(void) { return 10; }

test cases/common/189 same target name flat layout/main.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int meson_test_main_foo(void);
+int meson_test_subproj_foo(void);
+
+int main(void) {
+    if (meson_test_main_foo() != 10) {
+        printf("Failed meson_test_main_foo\n");
+        return 1;
+    }
+    if (meson_test_subproj_foo() != 20) {
+        printf("Failed meson_test_subproj_foo\n");
+        return 1;
+    }
+    return 0;
+}

test cases/common/189 same target name flat layout/meson.build

@@ -0,0 +1,11 @@
+project('subdir targets', 'c')
+
+# Idea behind this test is to create targets with identical name
+# but different output files. We can do this by choosing different
+# name_prefix of libraries. Target id does not depend on name_prefix.
+
+main_foo = static_library('foo', 'foo.c', name_prefix : 'main')
+subdir('subdir') # defines subdir_foo
+
+exe = executable('prog', 'main.c', link_with : [main_foo, subdir_foo])
+test('main test', exe)

test cases/common/189 same target name flat layout/subdir/foo.c

@@ -0,0 +1 @@
+int meson_test_subproj_foo(void) { return 20; }

test cases/common/189 same target name flat layout/subdir/meson.build

@@ -0,0 +1 @@
+subdir_foo = static_library('foo', 'foo.c', name_prefix : 'subdir')