editors/nano failed to compile on SunOS

[Hung Nguyen Gia <gh_origin%zohomail.com@localhost>]

In file included from definitions.h:82,
                 from prototypes.h:21,
                 from color.c:22:
/export/home/hung/pkgsrc/editors/nano/work/.buildlink/include/ncurses/unctrl.h:61:54: error: conflicting types for 'unctrl'
   61 | NCURSES_EXPORT(NCURSES_CONST char *) NCURSES_SP_NAME(unctrl) (SCREEN*, chtype);
      |                                                      ^~~~~~
/usr/include/ncurses/ncurses.h:1100:31: note: in definition of macro 'NCURSES_SP_NAME'
 1100 | #define NCURSES_SP_NAME(name) name
      |                               ^~~~
In file included from definitions.h:82,
                 from prototypes.h:21,
                 from browser.c:22:
/export/home/hung/pkgsrc/editors/nano/work/.buildlink/include/ncurses/unctrl.h:61:54: error: conflicting types for 'unctrl'
   61 | NCURSES_EXPORT(NCURSES_CONST char *) NCURSES_SP_NAME(unctrl) (SCREEN*, chtype);
      |                                                      ^~~~~~
/usr/include/ncurses/ncurses.h:1100:31: note: in definition of macro 'NCURSES_SP_NAME'
 1100 | #define NCURSES_SP_NAME(name) name
      |                               ^~~~
In file included from definitions.h:82,
                 from prototypes.h:21,
                 from cut.c:23:
/export/home/hung/pkgsrc/editors/nano/work/.buildlink/include/ncurses/unctrl.h:61:54: error: conflicting types for 'unctrl'
   61 | NCURSES_EXPORT(NCURSES_CONST char *) NCURSES_SP_NAME(unctrl) (SCREEN*, chtype);
      |                                                      ^~~~~~
/usr/include/ncurses/ncurses.h:1100:31: note: in definition of macro 'NCURSES_SP_NAME'
 1100 | #define NCURSES_SP_NAME(name) name
      |                               ^~~~
In file included from definitions.h:82,
                 from prototypes.h:21,
                 from chars.c:22:
/export/home/hung/pkgsrc/editors/nano/work/.buildlink/include/ncurses/unctrl.h:61:54: error: conflicting types for 'unctrl'
   61 | NCURSES_EXPORT(NCURSES_CONST char *) NCURSES_SP_NAME(unctrl) (SCREEN*, chtype);
      |                                                      ^~~~~~
/usr/include/ncurses/ncurses.h:1100:31: note: in definition of macro 'NCURSES_SP_NAME'
 1100 | #define NCURSES_SP_NAME(name) name
      |                               ^~~~
In file included from /usr/include/ncurses/ncurses.h:2095,
                 from definitions.h:82,
                 from prototypes.h:21,
                 from browser.c:22:
/export/home/hung/pkgsrc/editors/nano/work/.buildlink/include/ncurses/unctrl.h:58:38: note: previous declaration of 'unctrl' was here
   58 | NCURSES_EXPORT(NCURSES_CONST char *) unctrl (chtype);
      |                                      ^~~~~~
In file included from /usr/include/ncurses/ncurses.h:2095,
                 from definitions.h:82,
                 from prototypes.h:21,
                 from cut.c:23:
/export/home/hung/pkgsrc/editors/nano/work/.buildlink/include/ncurses/unctrl.h:58:38: note: previous declaration of 'unctrl' was here
   58 | NCURSES_EXPORT(NCURSES_CONST char *) unctrl (chtype);
      |                                      ^~~~~~
In file included from /usr/include/ncurses/ncurses.h:2095,
                 from definitions.h:82,
                 from prototypes.h:21,
                 from color.c:22:
/export/home/hung/pkgsrc/editors/nano/work/.buildlink/include/ncurses/unctrl.h:58:38: note: previous declaration of 'unctrl' was here
   58 | NCURSES_EXPORT(NCURSES_CONST char *) unctrl (chtype);
      |                                      ^~~~~~
In file included from /usr/include/ncurses/ncurses.h:2095,
                 from definitions.h:82,
                 from prototypes.h:21,
                 from chars.c:22:
/export/home/hung/pkgsrc/editors/nano/work/.buildlink/include/ncurses/unctrl.h:58:38: note: previous declaration of 'unctrl' was here
   58 | NCURSES_EXPORT(NCURSES_CONST char *) unctrl (chtype);
      |                                      ^~~~~~
gmake[2]: *** [Makefile:1667: color.o] Error 1
gmake[2]: *** Waiting for unfinished jobs....
gmake[2]: *** [Makefile:1667: chars.o] Error 1
gmake[2]: *** [Makefile:1667: cut.o] Error 1
gmake[2]: *** [Makefile:1667: browser.o] Error 1
gmake[2]: Leaving directory '/export/home/hung/pkgsrc/editors/nano/work/nano-5.4/src'
gmake[1]: *** [Makefile:1625: all-recursive] Error 1
gmake[1]: Leaving directory '/export/home/hung/pkgsrc/editors/nano/work/nano-5.4'
gmake: *** [Makefile:1566: all] Error 2
*** Error code 2

Stop.
bmake[1]: stopped in /export/home/hung/pkgsrc/editors/nano
*** Error code 1

Stop.
bmake: stopped in /export/home/hung/pkgsrc/editors/nano