pg_config(1) on Linux
The text 92969fc174bd, as Debian 9 (Stretch) shipped it.
retrieve information about the installed version of PostgreSQL
Flags it lists
-
--bindir -
--cc -
--cflags -
--cflags_sl -
--configure -
--cppflags -
--docdir -
--help -
--htmldir -
--includedir -
--includedir-server -
--ldflags -
--ldflags_ex -
--ldflags_sl -
--libdir -
--libs -
--localedir -
--mandir -
--pgxs -
--pkgincludedir -
--pkglibdir -
--sharedir -
--sysconfdir -
--version -
-?