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',
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<div class='path'>path: <a href='/guix/log/?id=7937c8827b8d23347a3159b4696335bd19fc17aa'>root</a>/<a href='/guix/log/gnu?id=7937c8827b8d23347a3159b4696335bd19fc17aa'>gnu</a>/<a href='/guix/log/gnu/packages?id=7937c8827b8d23347a3159b4696335bd19fc17aa'>packages</a>/<a href='/guix/log/gnu/packages/patches?id=7937c8827b8d23347a3159b4696335bd19fc17aa'>patches</a>/<a href='/guix/log/gnu/packages/patches/fail2ban-paths-guix-conf.patch?id=7937c8827b8d23347a3159b4696335bd19fc17aa'>fail2ban-paths-guix-conf.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/fail2ban-paths-guix-conf.patch?id=7937c8827b8d23347a3159b4696335bd19fc17aa&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-08-01 17:20:27 +0200'>2022-08-01</span></td><td><a href='/guix/commit/gnu/packages/patches/fail2ban-paths-guix-conf.patch?id=d7e7494bc4d69de9db49488ee812e572c3250211'>gnu: Add fail2ban.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/admin.scm (fail2ban): New variable.
* gnu/packages/patches/fail2ban-0.11.2_CVE-2021-32749.patch,
gnu/packages/patches/fail2ban-0.11.2_fix-setuptools-drop-2to3.patch,
gnu/packages/patches/fail2ban-0.11.2_fix-test-suite.patch,
gnu/packages/patches/fail2ban-paths-guix-conf.patch,
gnu/packages/patches/fail2ban-python310-server-action.patch,
gnu/packages/patches/fail2ban-python310-server-actions.patch,
gnu/packages/patches/fail2ban-python310-server-jails.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>muradm</td></tr>