diff --git a/tests/scripts/depends.py b/tests/scripts/depends.py
index 24f120b05e..d06e8f149c 100755
--- a/tests/scripts/depends.py
+++ b/tests/scripts/depends.py
@@ -429,8 +429,11 @@ class DomainData:
     # pylint: disable=too-many-locals
     def __init__(self, options, conf):
         """Gather data about the library and establish a list of domains to test."""
-        build_command = [options.make_command, '-f', 'scripts/legacy.make', 'CFLAGS=-Werror -O2']
-        build_and_test = [build_command, [options.make_command, '-f',
+        if options.build_and_test_command:
+            build_and_test = [[options.build_and_test_command]]
+        else:
+            build_command = [options.make_command, '-f', 'scripts/legacy.make', 'CFLAGS=-Werror -O2']
+            build_and_test = [build_command, [options.make_command, '-f',
                                           'scripts/legacy.make', 'test']]
         self.all_config_symbols = set(conf.settings.keys())
         psa_info = psa_information.Information().constructors
@@ -600,6 +603,8 @@ def main():
         parser.add_argument('--make-command', metavar='CMD',
                             help='Command to run instead of make (e.g. gmake)',
                             action='store', default='make')
+        parser.add_argument('--build-and-test-command',
+                            help='Provide a custom command or script to build and test')
         parser.add_argument('tasks', metavar='TASKS', nargs='*',
                             help='The domain(s) or job(s) to test (default: all).',
                             default=True)