how to change glib-mkenums path of gnome package

[iysheng]

in a project's meson.build with code like

gnome = import('gnome') 
library_enums = gnome.mkenums_simple ('arvenumtypes', decorator: 'ARV_API', header_prefix: '#include <arvapi.h>',
 sources: library_headers + library_no_introspection_headers)

when I do meson setup, i get log as

Dependency glib-2.0 found: YES 2.80.5 (cached)
Program /usr/bin/glib-mkenums found: YES (/usr/bin/glib-mkenums)

But I want to use another glib-2.0 package in my pc with path like /tmp/xxx/glib-2.0.pc file. how could I change the pkg-config search path in gnome package.