Reason: Fix crossbuilding GIR
Upstream: No, not upstreamable since this is very specific to the Void setup
--- clients/common/meson.build
+++ clients/common/meson.build
@@ -34,7 +34,7 @@ if enable_introspection
     settings_docs,
     input: nm_property_docs,
     output: settings_docs,
-    command: [xsltproc, '--output', '@OUTPUT@', join_paths(meson.current_source_dir(), 'settings-docs.xsl'), '@INPUT@'],
+    command: [xsltproc, '--output', '@OUTPUT@', join_paths(meson.current_source_dir(), 'settings-docs.xsl'), join_paths(meson.current_source_dir(), '..', '..', '@INPUT@')],
   )
 
   test(
--- libnm/meson.build
+++ libnm/meson.build
@@ -244,7 +244,21 @@ if enable_introspection
     )
   endif
 
-  generate_setting_docs = join_paths(meson.current_source_dir(), 'generate-setting-docs.py')
+  if meson.is_cross_build()
+      arch = host_machine.cpu_family()
+      if arch == 'x86'
+              qemu_arch = 'i386'
+      elif arch == 'x86_64'
+              qemu_arch = 'x86_64'
+      else
+              qemu_arch = host_machine.cpu_family()
+      endif
+    qemu = '/usr/bin/qemu-' + qemu_arch + '-static'
+    qemu_python3_cmd = qemu + ' -L @XBPS_CROSS_BASE@ @XBPS_CROSS_BASE@/bin/python3'
+    generate_setting_docs = ['sh', '-c', qemu_python3_cmd, join_paths(meson.current_source_dir(), 'generate-setting-docs.py')]
+  else
+    generate_setting_docs = join_paths(meson.current_source_dir(), 'generate-setting-docs.py')
+  endif
 
   gi_typelib_path = run_command('printenv', 'GI_TYPELIB_PATH').stdout()
   if gi_typelib_path != ''