# File ext/do_postgres_ext/extconf.rb, line 24 def have_build_env (have_library('pq') || have_library('libpq')) && have_header('libpq-fe.h') && have_header('libpq/libpq-fs.h') && have_header('postgres.h') && have_header('mb/pg_wchar.h') && have_header('catalog/pg_type.h') end