<!-- ### IMPORTANT: make sure that you: - are familiar with [known limitations](https://github.com/postgrespro/pg_pathman/wiki/Known-limitations). - checked the [faq](https://github.com/postgrespro/pg_pathman/wiki/What-the-FAQ) for common problems. --> ### Problem description when make USE_PGXS=1 ==> Makefile:83: /usr/pgsql-12/lib/pgxs/src/makefiles/pgxs.mk: 没有那个文件或目录 make: *** 没有规则可以创建目标“/usr/pgsql-12/lib/pgxs/src/makefiles/pgxs.mk”。 停止。 ### Environment <!-- Put the result of (SELECT * FROM pg_extension) below --> <!-- Put the result of (SELECT version()) below --> <!-- For Postgres Pro: put the result of (SELECT pgpro_version()) below --> <!-- For Postgres Pro: put the result of (SELECT pgpro_edition()) below --> <!-- put the result of (SELECT get_pathman_lib_version()) below -->