Fink install gcal-4.1-1 unsuccessful

Dear Hanspeter Niederstrasser, the maintainer of gcal,
. . . .
. . . .
print.c:1546:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
print_highlighted_date (last_item, marker_flag, hls_start, hls_slen, hls_end,
^
3 warnings generated.
  CC       tty.o
tty.c:162:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
print_text (fp, text_line)
^
tty.c:523:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
get_tty_hls (sequence_str)
^
tty.c:745:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
get_tty_scr_size (rows, cols)
^
tty.c:858:9: error: call to undeclared function 'ioctl'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
          if (!ioctl (1, TIOCGWINSZ, &wsz) && (wsz.ws_row > 0))
               ^
tty.c:1411:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
get_hl_seq (sequence_str, hls1_set, hls2_set)
^
4 warnings and 1 error generated.
make[2]: *** [tty.o] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2
### execution of /usr/bin/make failed, exit code 2
### execution of /tmp/fink.jhbKR failed, exit code 2

Sonoma 14.4
Package : 0.45.99.git
selfupdate-git Fri Mar 29 23:29:46 2024, 14.0, x86_64
Trees: local/main stable/main
Xcode.app: 15.3
Xcode command-line tools: 15.3.0.0.1.1708487402
Max. Fink build jobs:  1

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