/usr/lib/x86_64-linux-gnu/pkgconfig/mbim-glib.pc is in libmbim-glib-dev 1.12.2-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | prefix=/usr
exec_prefix=${prefix}
libdir=${prefix}/lib/x86_64-linux-gnu
includedir=${prefix}/include
Name: mbim-glib
Description: Library to communicate with MBIM-powered modems
Version: 1.12.2
Requires: glib-2.0 gobject-2.0 gio-2.0
Cflags: -I${includedir}/libmbim-glib
Libs: -L${libdir} -lmbim-glib
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