build: add meson support

Change-Id: Id426d32b63d5cdeb2b5fcbac9fc6d29d5d0e4a97
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..6c44409
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,25 @@
+project(
+  'slpd-lite',
+  'cpp',
+  version: '0.1',
+  meson_version: '>=0.57.0',
+  default_options: [
+    'warning_level=3',
+    'werror=true',
+    'cpp_std=c++20',
+  ],
+)
+
+libsystemd_dep = dependency('libsystemd')
+
+executable(
+  'slpd',
+  'main.cpp',
+  'slp_message_handler.cpp',
+  'slp_parser.cpp',
+  'slp_server.cpp',
+  'sock_channel.cpp',
+  dependencies: [ libsystemd_dep ],
+  install: true,
+  install_dir: get_option('sbindir'),
+)