Since libnm-wwan.so is not just a loadable module but also a shared library
that some plugin links against, build it as a shared library while avoiding
'-Wl,--no-undefined':

  https://github.com/mesonbuild/meson/issues/9492#issuecomment-973117289

diff --git a/src/core/devices/wwan/meson.build b/src/core/devices/wwan/meson.build
index 37ef738..18ac54f 100644
--- a/src/core/devices/wwan/meson.build
+++ b/src/core/devices/wwan/meson.build
@@ -4,8 +4,9 @@ wwan_inc = include_directories('.')
 
 linker_script = join_paths(meson.current_source_dir(), 'libnm-wwan.ver')
 
-libnm_wwan = shared_module(
+libnm_wwan = shared_library(
   'nm-wwan',
+  override_options: ['b_lundef=false'],
   sources: files(
   'nm-service-providers.c',
   'nm-modem-broadband.c',
t name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>refs</a><a class='active' href='/guix/log/gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch'>log</a><a href='/guix/tree/gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>tree</a><a href='/guix/commit/gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>commit</a><a href='/guix/diff/gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch'>
<input type='hidden' name='id' value='ff777165cb7f82a3300cb97a05daf1641857ce04'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>root</a>/<a href='/guix/log/gnu?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>gnu</a>/<a href='/guix/log/gnu/packages?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>patches</a>/<a href='/guix/log/gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch?id=ff777165cb7f82a3300cb97a05daf1641857ce04'>ungoogled-chromium-system-ffmpeg.patch</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch?id=ff777165cb7f82a3300cb97a05daf1641857ce04&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-01-07 17:15:38 +0100'>2022-01-07</span></td><td><a href='/guix/commit/gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch?id=4a943cfdbe42d77a0a11ee8fa8f5c616a97e0911'>gnu: ungoogled-chromium: Update to 97.0.4692.71-1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/patches/ungoogled-chromium-system-ffmpeg.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/chromium.scm (%guix-patches): Add it.
(%chromium-version): Set to 97.0.4692.71-1.
(%ungoogled-origin, ungoogled-chromium): Update hashes.
</span></span></td><td>Marius Bakke</td></tr>