+# From meson documentation:
+# In order to look for headers in a specific directory you can use args :
+# '-I/extra/include/dir, but this should only be used in exceptional cases for
+# includes that can't be detected via pkg-config and passed via dependencies.
+if libweston_dep.found()
+ if not prefix_path.contains('/usr')
+ dir_path_x11_backend = join_paths(prefix_path, 'include', 'libweston-7', 'libweston', 'backend-x11.h')
+ else
+ dir_path_x11_backend = join_paths('libweston-7', 'libweston', 'backend-x11.h')
+ endif
+
+ # do the test
+ if cc.has_header(dir_path_x11_backend)
+ config_h.set('HAVE_BACKEND_X11', 1)
+ endif
+endif
+
+if dep_libsystemd.found()
+ config_h.set('HAVE_SYSTEMD', 1)
+
+ srcs_agl_compositor += 'src/systemd-notify.c'
+ deps_libweston += dep_libsystemd
+
+ message('Found systemd, enabling notify support')
+endif
+
+configure_file(output: 'config.h', configuration: config_h)
+