libmbim uses code (originally from udev) that has since been split
from the main systemd codebase into libgudev.
Fixes: http://autobuild.buildroot.org/results/638/638dbf05b785a276a33983b0237b7cad54777b85/
Tweak the package files for libmbim to require libgudev when building
with systemd.
Signed-off-by: Nathaniel Roach <nroach44@gmail.com>
Tested-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
        depends on BR2_USE_WCHAR # libglib2
        depends on BR2_TOOLCHAIN_HAS_THREADS # libglib2
        depends on BR2_PACKAGE_HAS_UDEV
+       select BR2_PACKAGE_LIBGUDEV if BR2_INIT_SYSTEMD
        select BR2_PACKAGE_LIBGLIB2
        help
          libmbim is a glib-based library for talking to WWAN modems and
 
 
 LIBMBIM_DEPENDENCIES = libglib2 udev
 
+ifeq ($(BR2_INIT_SYSTEMD),y)
+LIBMBIM_DEPENDENCIES += libgudev
+endif
+
 # we don't want -Werror
 LIBMBIM_CONF_OPTS = --enable-more-warnings=no