Use -Doffline=false to reduce the install size by over 100Kb

If there's no SuperIO chip then there's no need to support this.

contrib/ci/build_windows.sh

@@ -36,6 +36,7 @@ meson .. \
     -Dplugin_platform_integrity=false \
     -Dplugin_tpm=false \
     -Dsystemd=false \
+    -Doffline=false \
     -Dplugin_emmc=false \
     -Dplugin_amt=false \
     -Dplugin_mtd=false \

contrib/ci/void.sh

@@ -16,5 +16,6 @@ meson build \
  -Dgcab:docs=false \
  -Dconsolekit=false \
  -Dsystemd=false \
+ -Doffline=false \
  -Delogind=true
 ninja -C build test -v

contrib/freebsd/Makefile

@@ -56,6 +56,7 @@ MESON_ARGS=	-Dgudev=false \
 		-Dplugin_tpm=false \
 		-Dpolkit=false \
 		-Dsystemd=false \
+		-Doffline=false \
 		-Dtests=false \
 		-Ddocs=gtkdoc \
 		-Defi_binary=false

data/meson.build

@@ -91,13 +91,15 @@ if get_option('systemd') and build_daemon
   con2.set('motd_dir', motd_dir)
 
   # replace @bindir@
-  configure_file(
+  if get_option('offline')
-    input : 'fwupd-offline-update.service.in',
+    configure_file(
-    output : 'fwupd-offline-update.service',
+      input : 'fwupd-offline-update.service.in',
-    configuration : con2,
+      output : 'fwupd-offline-update.service',
-    install: true,
+      configuration : con2,
-    install_dir: systemdunitdir,
+      install: true,
-  )
+      install_dir: systemdunitdir,
+    )
+  endif
 
   # replace @dynamic_options@
   configure_file(

meson.build

@@ -289,6 +289,13 @@ endif
 if valgrind.found()
   conf.set('HAVE_VALGRIND', '1')
 endif
+if get_option('offline')
+  if not get_option('systemd')
+    error('-Doffline=true requires -Dsystemd=true')
+  endif
+  conf.set('HAVE_FWUPDOFFLINE', '1')
+endif
+
 
 if build_standalone and get_option('plugin_altos')
   libelf = dependency('libelf')

meson_options.txt

@@ -50,3 +50,4 @@ option('efi_binary', type: 'boolean', value : true, description : 'generate uefi
 option('metainfo', type: 'boolean', value : true, description : 'install the project metainfo.xml information')
 option('bash_completion', type: 'boolean', value : true, description : 'enable bash completion')
 option('fish_completion', type: 'boolean', value : true, description : 'enable fish completion')
+option('offline', type: 'boolean', value : true, description : 'enable installing firmware using a pre-boot systemd target')

src/fu-engine.c

@@ -2423,6 +2423,15 @@ fu_engine_schedule_update(FuEngine *self,
 	g_autoptr(FuHistory) history = NULL;
 	g_autoptr(GFile) file = NULL;
 
+#ifndef HAVE_FWUPDOFFLINE
+	/* sanity check */
+	g_set_error(error,
+		    FWUPD_ERROR,
+		    FWUPD_ERROR_NOT_SUPPORTED,
+		    "Not supported as compiled without offline support");
+	return FALSE;
+#endif
+
 	/* id already exists */
 	history = fu_history_new();
 	if ((flags & FWUPD_INSTALL_FLAG_FORCE) == 0) {

src/fu-self-test.c

@@ -2877,7 +2877,7 @@ fu_plugin_module_func(gconstpointer user_data)
 	g_assert_cmpstr(fu_device_get_name(device), ==, "Integrated Webcam™");
 	g_signal_handlers_disconnect_by_data(self->plugin, &device);
 
-#ifdef _WIN32
+#ifndef HAVE_FWUPDOFFLINE
 	g_test_skip("No offline update support on Windows");
 	return;
 #endif

src/meson.build

@@ -107,7 +107,7 @@ meson.add_install_script(
       join_paths(get_option('prefix'), get_option('bindir'), 'fwupdagent')))
 endif
 
-if get_option('systemd')
+if get_option('systemd') and get_option('offline')
 fwupdoffline = executable(
   'fwupdoffline',
   sources : [