Kyotaro Horiguchi <horikyota.ntt@gmail.com> writes:
> While working on a patch, I noticed that a rcent commit (d4e71df6d75)
> added an apparently unnecessary inclusion of guc.h in smgr.h.
Yes, that seems quite awful, and I also wonder why it changed fd.h.
Adding #include's to header files is generally not the first choice.
regards, tom lane