Add m4/introspection.m4 so that gobject-introspection is not required when building from git.
Submitted by Adrian Bunk
Link to original bug (#615518)
Description
Created attachment 158478 Add m4/introspection.m4 so that gobject-introspection is not required when building from git.
Similar to what is done in e.g. gtk+.
Patch 158478, "Add m4/introspection.m4 so that gobject-introspection is not required when building from git.":
0001-Add-m4-introspection.m4-so-that-gobject-introspectio.patch
Version: 2.24.x