meson: Allow enabling/disabling plugins

2 files changed, 42 insertions, 15 deletions

diff --git a/meson.build b/meson.build
index e3c6b72e..3276158f 100644
--- a/meson.build
+++ b/meson.build
@@ -5,34 +5,54 @@ gnome = import('gnome')
 i18n = import('i18n')
 python = import('python')
 
+# plugin_crypto is enabled if any of the crypto plugins is enabled, auto if
+# none of them are explicitly enabled but at least one is set to auto, or
+# disabled if all of them are disabled.
+plugin_crypto = get_option('plugin-ice')
+foreach plugin : ['plugin-ice', 'plugin-omemo', 'plugin-rtp']
+    if get_option(plugin).enabled() and not plugin_crypto.enabled()
+        plugin_crypto = get_option(plugin)
+    elif get_option(plugin).allowed() and not plugin_crypto.allowed()
+        plugin_crypto = get_option(plugin)
+    endif
+endforeach
+
+if get_option('plugin-ice').enabled() and not get_option('plugin-rtp').enabled()
+    dep_gnutls_required = get_option('plugin-ice')
+elif get_option('plugin-ice').allowed() and not get_option('plugin-rtp').allowed()
+    dep_gnutls_required = get_option('plugin-ice')
+else
+    dep_gnutls_required = get_option('plugin-rtp')
+endif
+
 dep_gdk_pixbuf = dependency('gdk-pixbuf-2.0')
 dep_gee = dependency('gee-0.8')
 dep_gio = dependency('gio-2.0')
 dep_glib = dependency('glib-2.0')
-dep_gnutls = dependency('gnutls')
+dep_gnutls = dependency('gnutls', disabler: true, required: dep_gnutls_required)
 dep_gmodule = dependency('gmodule-2.0')
-dep_gpgme = dependency('gpgme')
-dep_gstreamer = dependency('gstreamer-1.0')
-dep_gstreamer_app = dependency('gstreamer-app-1.0')
-dep_gstreamer_audio = dependency('gstreamer-audio-1.0')
-dep_gstreamer_rtp = dependency('gstreamer-rtp-1.0')
-dep_gstreamer_video = dependency('gstreamer-video-1.0')
+dep_gpgme = dependency('gpgme', disabler: true, required: get_option('plugin-openpgp'))
+dep_gstreamer = dependency('gstreamer-1.0', disabler: true, required: get_option('plugin-rtp'))
+dep_gstreamer_app = dependency('gstreamer-app-1.0', disabler: true, required: get_option('plugin-rtp'))
+dep_gstreamer_audio = dependency('gstreamer-audio-1.0', disabler: true, required: get_option('plugin-rtp'))
+dep_gstreamer_rtp = dependency('gstreamer-rtp-1.0', disabler: true, required: get_option('plugin-rtp'))
+dep_gstreamer_video = dependency('gstreamer-video-1.0', disabler: true, required: get_option('plugin-rtp'))
 dep_gtk4 = dependency('gtk4')
 dep_icu_uc = dependency('icu-uc')
 dep_libadwaita = dependency('libadwaita-1')
-dep_libcanberra = dependency('libcanberra')
-dep_libgcrypt = dependency('libgcrypt')
-dep_libqrencode = dependency('libqrencode')
-dep_libsrtp2 = dependency('libsrtp2')
+dep_libcanberra = dependency('libcanberra', disabler: true, required: get_option('plugin-notification-sound'))
+dep_libgcrypt = dependency('libgcrypt', disabler: true, required: plugin_crypto)
+dep_libqrencode = dependency('libqrencode', disabler: true, required: get_option('plugin-omemo'))
+dep_libsrtp2 = dependency('libsrtp2', disabler: true, required: plugin_crypto)
 # libsignal-protocol-c has a history of breaking compatibility on the patch level
 # we'll have to check compatibility for every new release
 # distro maintainers may update this dependency after compatibility tests
-dep_libsignal_protocol_c = dependency('libsignal-protocol-c', version: ['>=2.3.2', '<2.3.4'])
-dep_libsoup = dependency('libsoup-3.0')
-dep_nice = dependency('nice', version: '>=0.1.15')
+dep_libsignal_protocol_c = dependency('libsignal-protocol-c', version: ['>=2.3.2', '<2.3.4'], disabler: true, required: get_option('plugin-omemo'))
+dep_libsoup = dependency('libsoup-3.0', disabler: true, required: get_option('plugin-http-files'))
+dep_nice = dependency('nice', version: '>=0.1.15', disabler: true, required: get_option('plugin-ice'))
 dep_m = meson.get_compiler('c').find_library('m', required: false)
 dep_sqlite3 = dependency('sqlite3', version: '>=3.24')
-dep_webrtc_audio_processing = dependency('webrtc-audio-processing', version: ['>=0.2', '<0.4'])
+dep_webrtc_audio_processing = dependency('webrtc-audio-processing', version: ['>=0.2', '<0.4'], disabler: true, required: get_option('plugin-rtp'))
 
 prog_git = find_program('git', required: false)
 prog_python = python.find_installation()
diff --git a/meson_options.txt b/meson_options.txt
index a1dcd3c2..ee0ac3c0 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1 +1,8 @@
 option('plugindir', type: 'string', value: 'lib/dino/plugins', description: 'Dino plugin directory')
+
+option('plugin-http-files', type: 'feature', description: 'HTTP file upload')
+option('plugin-ice', type: 'feature', description: '')
+option('plugin-notification-sound', type: 'feature', description: 'Sound for chat notifications')
+option('plugin-omemo', type: 'feature', description: 'End-to-end encryption')
+option('plugin-openpgp', type: 'feature', description: 'End-to-end encryption using PGP')
+option('plugin-rtp', type: 'feature', description: 'Voice/video calls')