diff --git a/run_format_tests.py b/run_format_tests.py
old mode 100644
new mode 100755
index 70fa1212e..ca3e715f2
--- a/run_format_tests.py
+++ b/run_format_tests.py
@@ -75,9 +75,17 @@ def check_format() -> None:
                     continue
                 check_file(root / file)
 
+def check_symlinks():
+    for f in Path('test cases').glob('**/*'):
+        if f.is_symlink():
+            if 'boost symlinks' in str(f):
+                continue
+            raise SystemExit(f'Test data dir contains symlink: {f}.')
+
 
 if __name__ == '__main__':
     script_dir = os.path.split(__file__)[0]
     if script_dir != '':
         os.chdir(script_dir)
     check_format()
+    check_symlinks()
diff --git a/run_project_tests.py b/run_project_tests.py
index 7ff164086..39bf1628f 100755
--- a/run_project_tests.py
+++ b/run_project_tests.py
@@ -1561,6 +1561,14 @@ def print_tool_versions() -> None:
         print('{0:<{2}}: {1}'.format(tool.tool, get_version(tool), max_width))
     print()
 
+tmpdir = list(Path('.').glob('**/*install functions and follow symlinks'))
+print(tmpdir)
+assert(len(tmpdir) == 1)
+symlink_test_dir = tmpdir[0]
+symlink_file1 = symlink_test_dir / 'foo/link1'
+symlink_file2 = symlink_test_dir / 'foo/link2.h'
+del tmpdir
+
 def clear_transitive_files() -> None:
     a = Path('test cases/common')
     for d in a.glob('*subproject subdir/subprojects/subsubsub*'):
@@ -1568,6 +1576,18 @@ def clear_transitive_files() -> None:
             mesonlib.windows_proof_rmtree(str(d))
         else:
             mesonlib.windows_proof_rm(str(d))
+    try:
+        symlink_file1.unlink()
+    except FileNotFoundError:
+        pass
+    try:
+        symlink_file2.unlink()
+    except FileNotFoundError:
+        pass
+
+def setup_symlinks() -> None:
+    symlink_file1.symlink_to('file1')
+    symlink_file2.symlink_to('file1')
 
 if __name__ == '__main__':
     if under_ci and not raw_ci_jobname:
@@ -1611,6 +1631,7 @@ if __name__ == '__main__':
         options.extra_args += ['--native-file', options.native_file]
 
     clear_transitive_files()
+    setup_symlinks()
 
     print('Meson build system', meson_version, 'Project Tests')
     print('Using python', sys.version.split('\n')[0], f'({sys.executable!r})')
diff --git a/test cases/common/268 install functions and follow_symlinks/foo/file1 b/test cases/common/268 install functions and follow symlinks/foo/file1
similarity index 100%
rename from test cases/common/268 install functions and follow_symlinks/foo/file1
rename to test cases/common/268 install functions and follow symlinks/foo/file1
diff --git a/test cases/common/268 install functions and follow_symlinks/meson.build b/test cases/common/268 install functions and follow symlinks/meson.build
similarity index 100%
rename from test cases/common/268 install functions and follow_symlinks/meson.build
rename to test cases/common/268 install functions and follow symlinks/meson.build
diff --git a/test cases/common/268 install functions and follow_symlinks/test.json b/test cases/common/268 install functions and follow symlinks/test.json
similarity index 100%
rename from test cases/common/268 install functions and follow_symlinks/test.json
rename to test cases/common/268 install functions and follow symlinks/test.json
diff --git a/test cases/common/268 install functions and follow_symlinks/foo/link1 b/test cases/common/268 install functions and follow_symlinks/foo/link1
deleted file mode 120000
index 08219db9b..000000000
--- a/test cases/common/268 install functions and follow_symlinks/foo/link1	
+++ /dev/null
@@ -1 +0,0 @@
-file1
\ No newline at end of file
diff --git a/test cases/common/268 install functions and follow_symlinks/foo/link2.h b/test cases/common/268 install functions and follow_symlinks/foo/link2.h
deleted file mode 120000
index 08219db9b..000000000
--- a/test cases/common/268 install functions and follow_symlinks/foo/link2.h	
+++ /dev/null
@@ -1 +0,0 @@
-file1
\ No newline at end of file
diff --git a/test cases/warning/9 meson.options/subprojects/no-warn/meson_options.txt b/test cases/warning/9 meson.options/subprojects/no-warn/meson_options.txt
deleted file mode 120000
index 7b28df279..000000000
--- a/test cases/warning/9 meson.options/subprojects/no-warn/meson_options.txt	
+++ /dev/null
@@ -1 +0,0 @@
-meson.options
\ No newline at end of file
diff --git a/test cases/warning/9 meson.options/subprojects/no-warn/meson_options.txt b/test cases/warning/9 meson.options/subprojects/no-warn/meson_options.txt
new file mode 100644
index 000000000..b84ee83fc
--- /dev/null
+++ b/test cases/warning/9 meson.options/subprojects/no-warn/meson_options.txt	
@@ -0,0 +1 @@
+option('foo', type : 'string')