theory/pgtap — pull request #46 by titanofold (2013-03-30 17:19:23+00:00)
Title: Allow 'PG_CONFIG="/path/to/pg_config" make'

Allow `PG_CONFIG="/path/to/pg_config" make` without having to export an environment variable or use `env`.

I've developed this patch specifically for Gentoo, but might like it.