default_pre_build  &&
sedit  's:^DEBUG:#&:'                   $SOURCE_DIRECTORY/Makefile  &&
sedit  "s:EXTRA_CFLAGS=:&${CFLAGS}:"    $SOURCE_DIRECTORY/Makefile  &&
sedit  "s:EXTRA_LDFLAGS=:&${LDFLAGS}:"  $SOURCE_DIRECTORY/Makefile  &&

if  is_depends_enabled $SPELL readline;  then
  sedit 's:^USE_READLINE=:&-DUSE_READLINE:'  $SOURCE_DIRECTORY/Makefile  &&
  sedit 's:^READLINE_LIB=:&-lreadline:'      $SOURCE_DIRECTORY/Makefile  &&
  sedit 's:^READLINE_EXTRAS=:&-lhistory -lncurses:'  $SOURCE_DIRECTORY/Makefile
fi