build: Allow to use libmbim as subproject

This makes it simpler to build ModemManager git

Signed-off-by: Guido Günther <agx@sigxcpu.org>

.gitignore

@@ -4,3 +4,4 @@
 tags
 /.vscode
 /cscope.out
+subprojects/libmbim

meson.build

@@ -259,7 +259,16 @@ config_h.set('WITH_BUILTIN_PLUGINS', enable_builtin_plugins)
 # MBIM support (enabled by default)
 enable_mbim = get_option('mbim')
 if enable_mbim
-  mbim_glib_dep = dependency('mbim-glib', version: '>= 1.32.0')
+  mbim_glib_dep = dependency('mbim-glib', version: '>= 1.32.0',
+                             required: not get_option('subproject-fallback'))
+  if not mbim_glib_dep.found() and get_option('subproject-fallback')
+    mbim_glib_proj = subproject('libmbim',
+                                default_options: ['man=false',
+                                                  'introspection=false',
+                                                  'bash_completion=false',
+						 ])
+    mbim_glib_dep = mbim_glib_proj.get_variable('libmbim_glib_dep')
+  endif
 endif
 config_h.set('WITH_MBIM', enable_mbim)
 

meson_options.txt

@@ -6,6 +6,7 @@ option('udevdir', type: 'string', value: '', description: 'udev base directory')
 
 option('examples', type: 'boolean', value: true, description: 'install examples')
 option('tests', type: 'boolean', value: true, description: 'enable tests')
+option('subproject-fallback', type: 'boolean', value: false, description: 'allow to use subprojects')
 
 option('dbus_policy_dir', type: 'string', value: '', description: 'd-bus system policy directory')
 

subprojects/libmbim.wrap

@@ -0,0 +1,5 @@
+[wrap-git]
+directory=libmbim
+url=https://gitlab.freedesktop.org/mobile-broadband/libmbim.git
+revision=main
+