xisp won't make, and here's a log of it.  It's been this way
for some time.  ...using current, updated a couple of days ago.

===> Building for xisp-2.6p1nb3
gcc -Wall -O -DBINPATH=\"/usr/sbin\" -DLIBPATH=\"/usr/pkg/libexec\" -DOPTPATH=\"/etc/ppp\" 
-DRUNDIR=\"/var/run\"  -DMODEM_DEVICE=\"/dev/modem\" -DHAVE_STRERROR -I/usr/X11R6/include 
-I/usr/pkg/include/X11 -c xisp.c
In file included from xisp.c:25:
/usr/include/varargs.h:43:2: #error "GCC 3.3 and newer no longer implements <varargs.h>."
/usr/include/varargs.h:44:2: #error "Revise your code to use <stdarg.h>."
xisp.c:579: error: syntax error before "va_dcl"
xisp.c:580: error: syntax error before '{' token
xisp.c:586:20: macro "va_start" requires 2 arguments, but only 1 given
xisp.c:586: warning: type defaults to `int' in declaration of `va_start'
xisp.c:586: warning: data definition has no type or storage class
xisp.c:587: warning: type defaults to `int' in declaration of `fmt'
xisp.c:587: error: conflicting types for `fmt'
xisp.c:583: error: previous declaration of `fmt'
xisp.c:587: warning: data definition has no type or storage class
xisp.c:592: warning: type defaults to `int' in declaration of `bw'
xisp.c:592: warning: passing arg 2 of `vsprintf' makes pointer from integer without a cast
xisp.c:592: error: initializer element is not constant
xisp.c:592: warning: data definition has no type or storage class
xisp.c:594: warning: type defaults to `int' in declaration of `__builtin_va_end'
xisp.c:594: warning: parameter names (without types) in function declaration
xisp.c:594: warning: conflicting types for built-in function `__builtin_va_end'
xisp.c:594: warning: data definition has no type or storage class
xisp.c:595: error: syntax error before "if"
xisp.c:599: warning: type defaults to `int' in declaration of `pending'
xisp.c:599: warning: data definition has no type or storage class
xisp.c:600: error: syntax error before '}' token
xisp.c:601: warning: type defaults to `int' in declaration of `bDoBuf'
xisp.c:601: error: conflicting types for `bDoBuf'
xisp.c:559: error: previous declaration of `bDoBuf'
xisp.c:601: warning: data definition has no type or storage class
xisp.c:602: error: syntax error before "if"
xisp.c:604: warning: type defaults to `int' in declaration of `bDoBuf'
xisp.c:604: warning: data definition has no type or storage class
xisp.c:605: error: syntax error before '}' token
xisp.c:606: warning: type defaults to `int' in declaration of `tot'
xisp.c:606: error: redefinition of `tot'
xisp.c:584: error: `tot' previously defined here
xisp.c:606: error: initializer element is not constant
xisp.c:606: warning: data definition has no type or storage class
xisp.c:607: warning: type defaults to `int' in declaration of `where'
xisp.c:607: error: conflicting types for `where'
xisp.c:555: error: previous declaration of `where'
xisp.c:607: warning: data definition has no type or storage class
xisp.c:608: error: syntax error before "if"
xisp.c:618: warning: type defaults to `int' in declaration of `needNL'
xisp.c:618: error: redefinition of `needNL'
xisp.c:556: error: `needNL' previously defined here
xisp.c:618: warning: data definition has no type or storage class
xisp.c:619: error: syntax error before '}' token
xisp.c: In function `bflush':
xisp.c:634: warning: assignment makes integer from pointer without a cast
xisp.c: At top level:
xisp.c:657: error: syntax error before "va_dcl"
xisp.c:658: error: syntax error before '{' token
xisp.c:662:20: macro "va_start" requires 2 arguments, but only 1 given
xisp.c:662: warning: type defaults to `int' in declaration of `va_start'
xisp.c:662: warning: data definition has no type or storage class
xisp.c:663: error: syntax error before "while"
xisp.c:668: error: syntax error before numeric constant
xisp.c:668: warning: type defaults to `int' in declaration of `exit'
xisp.c:668: error: conflicting types for `exit'
/usr/include/stdlib.h:111: error: previous declaration of `exit'
xisp.c:668: warning: data definition has no type or storage class
xisp.c:673: error: syntax error before '[' token
xisp.c:673: warning: type defaults to `int' in declaration of `strcpy'
xisp.c:673: warning: data definition has no type or storage class
xisp.c:676: warning: type defaults to `int' in declaration of `__builtin_va_end'
xisp.c:676: warning: parameter names (without types) in function declaration
xisp.c:676: warning: data definition has no type or storage class
xisp.c:677: error: syntax error before '}' token
xisp.c: In function `waitPppd':
xisp.c:1254: warning: implicit declaration of function `bprintf'
xisp.c: At top level:
xisp.c:1502: error: syntax error before "va_dcl"
xisp.c:1503: error: syntax error before '{' token
xisp.c:1507: error: conflicting types for `fmt'
xisp.c:587: error: previous declaration of `fmt'
xisp.c:1509:20: macro "va_start" requires 2 arguments, but only 1 given
xisp.c:1509: warning: type defaults to `int' in declaration of `va_start'
xisp.c:1509: warning: data definition has no type or storage class
xisp.c:1510: warning: type defaults to `int' in declaration of `fmt'
xisp.c:1510: error: conflicting types for `fmt'
xisp.c:1507: error: previous declaration of `fmt'
xisp.c:1510: warning: data definition has no type or storage class
xisp.c:1515: warning: type defaults to `int' in declaration of `bw'
xisp.c:1515: error: redefinition of `bw'
xisp.c:592: error: `bw' previously defined here
xisp.c:1515: warning: passing arg 2 of `vsprintf' makes pointer from integer without a cast
xisp.c:1515: error: initializer element is not constant
xisp.c:1515: warning: data definition has no type or storage class
xisp.c:1517: warning: type defaults to `int' in declaration of `__builtin_va_end'
xisp.c:1517: warning: parameter names (without types) in function declaration
xisp.c:1517: warning: data definition has no type or storage class
xisp.c:1518: error: syntax error before '->' token
xisp.c:1518: warning: type defaults to `int' in declaration of `fl_addto_browser'
xisp.c:1518: error: conflicting types for `fl_addto_browser'
/usr/pkgsrc/comms/xisp/work.i386/.buildlink/include/X11/forms.h:3059: error: previous declaration of 
`fl_addto_browser'
xisp.c:1518: warning: data definition has no type or storage class
xisp.c: In function `showPttInfo':
xisp.c:1531: warning: implicit declaration of function `ibprt'
xisp.c: In function `doConnect':
xisp.c:2867: warning: implicit declaration of function `pppdArg'
xisp.c: At top level:
xisp.c:584: warning: `tot' defined but not used
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/comms/xisp/work.i386/xisp-2.6p1
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/comms/xisp
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/comms/xisp
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/comms/xisp


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