- s,@TERMINFO@,\$TERMINFO,g
- s,@TERMINFO_DIRS@,\$TERMINFO_DIRS,g
- s,@NCURSES_MAJOR@,\$NCURSES_MAJOR,g
- s,@NCURSES_MINOR@,\$NCURSES_MINOR,g
- s,@NCURSES_PATCH@,\$NCURSES_PATCH,g
- s,@NCURSES_OSPEED@,\$NCURSES_OSPEED,g
+ s,@TERMINFO@,\${TERMINFO:="no default value"},g
+ s,@TERMINFO_DIRS@,\${TERMINFO_DIRS:="no default value"},g
+ s,@NCURSES_MAJOR@,\${NCURSES_MAJOR:="no default value"},g
+ s,@NCURSES_MINOR@,\${NCURSES_MINOR:="no default value"},g
+ s,@NCURSES_PATCH@,\${NCURSES_PATCH:="no default value"},g
+ s,@NCURSES_OSPEED@,\${NCURSES_OSPEED:="no default value"},g