tests: move to subdir, move to meson

De-clutter the source directories a bit. Ensure tests build with meson, and
remove from autotools in a few places (no need to do things twice).

lib/tests/meson.build

@@ -0,0 +1,73 @@
+## Copyright (C) 2021 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software Foundation,
+## Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+#
+# tests
+#
+
+test('test_maildir',
+     executable('test-maildir',
+		'test-mu-maildir.cc',
+		install: false,
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+test('test_msg_fields',
+     executable('test-msg-fields',
+		'test-mu-msg-fields.cc',
+		install: false,
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+test('test_msg',
+     executable('test-msg',
+		'test-mu-msg.cc',
+		install: false,
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+test('test_store',
+     executable('test-store',
+		'test-mu-store.cc',
+		install: false,
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+test('test_query',
+     executable('test-query',
+		'test-query.cc',
+		install: false,
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+test('test_flags',
+     executable('test-flags',
+		'test-mu-flags.cc',
+		install: false,
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+
+test('test_tokenizer',
+     executable('test-tokenizer',
+		'test-tokenizer.cc',
+		install: false,
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+test('test_threads',
+     executable('test-threads',
+		'../mu-query-threads.cc',
+		install: false,
+		cpp_args: ['-DBUILD_TESTS'],
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+test('test_contacts',
+     executable('test-contacts',
+		'../mu-contacts.cc',
+		install: false,
+		cpp_args: ['-DBUILD_TESTS'],
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))
+test('test_parser',
+     executable('test-parser',
+		'test-parser.cc',
+		install: false,
+		dependencies: [glib_dep, lib_mu_dep, lib_test_mu_common_dep]))