backend_sources += files(
  'attmap.c',
  'bufmask.c',
  'detoast.c',
  'heaptuple.c',
  'indextuple.c',
  'printsimple.c',
  'printtup.c',
  'relation.c',
  'reloptions.c',
  'scankey.c',
  'session.c',
  'syncscan.c',
  'toast_compression.c',
  'toast_internals.c',
  'tupconvert.c',
  'tupdesc.c',
)