Add option for building without gui libs

docs/development.md

@@ -8,9 +8,13 @@ This documentation provides instructions for developing Timeshift.
 - help2man
 - gettext 
 - valac 
-- libvte-2.91-dev 
 - libgee-0.8-dev 
 - libjson-glib-dev 
+
+Optional (for GTK frontend):
+
+- libgtk-3-dev
+- libvte-2.91-dev
 - libxapp-dev
 
 If you are using a Debian-based distribution, you can install these
@@ -21,9 +25,12 @@ sudo apt install meson \
 help2man \
 gettext \
 valac \
-libvte-2.91-dev \
 libgee-0.8-dev \
-libjson-glib-dev \
+libjson-glib-dev
+
+# Optional GUI dependencies
+sudo apt install libgtk-3-dev \
+libvte-2.91-dev \
 libxapp-dev
 ``` 
 
@@ -48,6 +55,15 @@ meson setup build
 meson compile -C build 
 ``` 
 
+### Building command-line-only
+
+To build only the `timeshift` command-line tool (without GTK/VTE dependencies):
+
+```bash
+meson setup build-cli -Dgtk=false
+meson compile -C build-cli
+```
+
 ### Step 4. Install Timeshift
 
 ```bash

docs/man/meson.build

@@ -2,9 +2,14 @@ help2man = find_program('help2man')
 
 mans = [
   ['timeshift', [help2man, '-N', '--output=@OUTPUT@', timeshift]],
-  ['timeshift-gtk', [help2man, '-N', '--output=@OUTPUT@', timeshift_gtk]],
 ]
 
+if enable_gtk
+  mans += [
+    ['timeshift-gtk', [help2man, '-N', '--output=@OUTPUT@', timeshift_gtk]],
+  ]
+endif
+
 foreach man: mans
   custom_target(
     man[0],
@@ -14,4 +19,3 @@ foreach man: mans
     install_dir: join_paths(get_option('mandir'), 'man1'),
   )
 endforeach
-

meson.build

@@ -8,26 +8,37 @@ project(
   default_options : ['c_std=c99', 'build.c_std=c99']
 )
 
-dependencies = [
+dependencies_common = [
   dependency('glib-2.0'),
   dependency('gobject-2.0'),
-  dependency('gtk+-3.0'),
   dependency('gio-2.0'),
   dependency('gio-unix-2.0'),
   dependency('json-glib-1.0'),
-  dependency('vte-2.91'),
   dependency('gee-0.8'),
   meson.get_compiler('vala').find_library('posix'),
   meson.get_compiler('c').find_library('m'),
 ]
 
+enable_gtk = get_option('gtk')
+dependencies_gui = []
+if enable_gtk
+  dependencies_gui = [
+    dependency('gtk+-3.0'),
+    dependency('vte-2.91'),
+  ]
+endif
+
 enable_xapp = get_option('xapp')
-if enable_xapp
-  xapp_dep = dependency('xapp')
+xapp_dep = []
+if enable_xapp and enable_gtk
+  xapp_dep = [dependency('xapp')]
   add_project_arguments('-D', 'XAPP', language: 'vala')
-  dependencies += xapp_dep
+elif enable_xapp and not enable_gtk
+  warning('xapp support requested, but GTK is disabled. xapp support will be disabled.')
 endif
 
+dependencies = dependencies_common + dependencies_gui + xapp_dep
+
 # Include the translations module
 i18n = import('i18n')
 
@@ -47,7 +58,9 @@ if enable_man
   subdir('docs/man')
 endif
 
-install_data(
-  sources: 'debian/com.linuxmint.timeshift.metainfo.xml',
-  install_dir: join_paths(get_option('datadir'), 'metainfo')
-)
+if enable_gtk
+  install_data(
+    sources: 'debian/com.linuxmint.timeshift.metainfo.xml',
+    install_dir: join_paths(get_option('datadir'), 'metainfo')
+  )
+endif

meson_options.txt

@@ -1,2 +1,3 @@
 option('man', type: 'boolean', value: true, description: 'build man pages using help2man')
 option('xapp', type: 'boolean', value: true, description: 'enable support for xapp library')
+option('gtk', type: 'boolean', value: true, description: 'build GTK frontend and GUI assets')