5166 sendmail package should be replaceable

*** 31,54 ****
  SRCS=                   aliases helpfile local-host-names trusted-users
  
  ROOTMANIFESTDIR=        $(ROOTSVCNETWORK)
  
  ROOTETCMAIL =           $(ROOTETC)/mail
! ROOTETCMAILF =          $(ROOTETCMAIL)/aliases $(ROOTETCMAIL)/helpfile \
                          $(ROOTETCMAIL)/local-host-names \
                          $(ROOTETCMAIL)/trusted-users
! ROOTETCSYMLINKS =       $(ROOTETC)/aliases
! ROOTETCMAILSYMLINKS =   $(ROOTETCMAIL)/sendmail.hf
  
  # conditional assignments
  $(ROOTETCMAILF) :=      FILEMODE =      644
  
  .KEEP_STATE:
  
  all:            $(SRCS)
  
! install:        all $(ROOTETCMAILF) $(ROOTETCSYMLINKS) \
                  $(ROOTETCMAILSYMLINKS) $(ROOTMANIFEST) $(ROOTSVCMETHOD)
  
  check:          $(CHKMANIFEST)
  
  clean:
--- 31,56 ----
  SRCS=                   aliases helpfile local-host-names trusted-users
  
  ROOTMANIFESTDIR=        $(ROOTSVCNETWORK)
  
  ROOTETCMAIL =           $(ROOTETC)/mail
! ROOTETCF =              $(ROOTETC)/aliases
! ROOTETCMAILF =          $(ROOTETCMAIL)/helpfile \
                          $(ROOTETCMAIL)/local-host-names \
                          $(ROOTETCMAIL)/trusted-users
! ROOTETCMAILSYMLINKS =   $(ROOTETCMAIL)/aliases \
!                         $(ROOTETCMAIL)/sendmail.hf
  
  # conditional assignments
  $(ROOTETCMAILF) :=      FILEMODE =      644
+ $(ROOTETCF) :=          FILEMODE = 644
  
  .KEEP_STATE:
  
  all:            $(SRCS)
  
! install:        all $(ROOTETCF) $(ROOTETCMAILF) $(ROOTETCSYMLINKS) \
                  $(ROOTETCMAILSYMLINKS) $(ROOTMANIFEST) $(ROOTSVCMETHOD)
  
  check:          $(CHKMANIFEST)
  
  clean:
*** 58,69 ****
  lint:
  
  $(ROOTETCMAIL)/%: %
          $(INS.file)
  
! $(ROOTETCSYMLINKS):
!         $(RM) $@; $(SYMLINK) mail/aliases $@
  
! $(ROOTETCMAILSYMLINKS):
          $(RM) $@; $(SYMLINK) helpfile $@
  
  include ../../Makefile.targ
--- 60,71 ----
  lint:
  
  $(ROOTETCMAIL)/%: %
          $(INS.file)
  
! $(ROOTETCMAIL)/aliases:
!         $(RM) $@; $(SYMLINK) ../aliases $@
  
! $(ROOTETCMAIL)/sendmail.hf:
          $(RM) $@; $(SYMLINK) helpfile $@
  
  include ../../Makefile.targ