compile error under fedora 40 (stricter checks)

[cheese1]

• MAC Telnet version: 0.5.1
• fedora 40 x86_64 and aarch64
• **does not compile

gcc -DHAVE_CONFIG_H -I.  -DLOCALEDIR='"/usr/share/locale"'   -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -c -o protocol.o protocol.c
gcc -DHAVE_CONFIG_H -I.  -DLOCALEDIR='"/usr/share/locale"'   -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -c -o mndp.o mndp.c
In file included from /usr/include/libintl.h:23,
                 from protocol.c:20:
/usr/include/features.h:196:3: warning: #warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" [-Wcpp]
  196 | # warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
      |   ^~~~~~~
gcc -DHAVE_CONFIG_H -I.  -DLOCALEDIR='"/usr/share/locale"'  -DFROM_MACTELNETD -DUSERSFILE='"/etc/mactelnetd.users"' -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -c -o mactelnetd-mactelnetd.o `test -f 'mactelnetd.c' || echo './'`mactelnetd.c
gcc -DHAVE_CONFIG_H -I.  -DLOCALEDIR='"/usr/share/locale"'  -DFROM_MACTELNETD -DUSERSFILE='"/etc/mactelnetd.users"' -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -c -o mactelnetd-protocol.o `test -f 'protocol.c' || echo './'`protocol.c
In file included from /usr/include/libintl.h:23,
                 from protocol.c:20:
/usr/include/features.h:196:3: warning: #warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" [-Wcpp]
  196 | # warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
      |   ^~~~~~~
gcc -DHAVE_CONFIG_H -I.  -DLOCALEDIR='"/usr/share/locale"'  -DFROM_MACTELNETD -DUSERSFILE='"/etc/mactelnetd.users"' -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -c -o mactelnetd-interfaces.o `test -f 'interfaces.c' || echo './'`interfaces.c
In file included from /usr/include/libintl.h:23,
                 from mactelnetd.c:28:
/usr/include/features.h:196:3: warning: #warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" [-Wcpp]
  196 | # warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
      |   ^~~~~~~
mactelnetd.c: In function ‘uwtmp_login’:
mactelnetd.c:358:22: error: passing argument 1 of ‘gettimeofday’ from incompatible pointer type [-Wincompatible-pointer-types]
  358 |         gettimeofday(&utent.ut_tv, NULL);
      |                      ^~~~~~~~~~~~
      |                      |
      |                      struct <anonymous> *

the reason might be the same as here:
https://stackoverflow.com/questions/65987047/using-a-parameter-in-time-gives-you-incompatible-pointer-type

[haakonnessjoen]

I just pushed 21322d0, could you test out with this change?

[cheese1]

compiles on both x86_64 and aarch64
thanks
no further checks happened (yet) on my side.