graphviz-5.0.0 will be compiled with the following:

options:
  cgraph:        Yes (always enabled)
  digcola:       Yes
  expat:         Yes
  fontconfig:    Yes
  freetype:      Yes
  glut:          Yes
  ann:           No (no ann.pc found)
  gts:           No (gts library not available)
  ipsepcola:     Yes
  ltdl:          Yes
  ortho:         Yes
  sfdp:          Yes
  swig:          Yes ( 4.0.2 )
  shared:        Yes
  static:        No (disabled by default)
  qt:            Yes
  x:             Yes

commands:
  dot:           Yes (always enabled)
  neato:         Yes (always enabled)
  fdp:           Yes (always enabled)
  circo:         Yes (always enabled)
  twopi:         Yes (always enabled)
  gvpr:          Yes (always enabled)
  gvmap:         Yes (always enabled)
  smyrna:        No (requires: gts)
  gvedit:        Yes

plugin libraries:
  dot_layout:    Yes (always enabled)
  neato_layout:  Yes (always enabled)
  core:          Yes (always enabled)
  devil:         No (missing library)
  gd:            Yes
  gdiplus:       No (disabled by default - Windows only)
  gdk:           Yes
  gdk_pixbuf:    Yes
  ghostscript:   Yes
  gtk:           Yes
  lasi:          No (lasi library not available)
  pangocairo:    Yes
  poppler:       Yes
  quartz:        No (disabled by default - Mac only)
  rsvg:          Yes
  visio:         Yes
  webp:          Yes
  xlib:          Yes

language extensions:
  gv_sharp:      No (mcs not available)
  gv_d:          No (disabled by default - incomplete)
  gv_go:         No (GO compiler not available)
  gv_guile:      No (guile not available)
  gv_io:         No (disabled by default - no swig support yet)
  gv_java:       No (missing header)
  gv_javascript: No (disabled by default - incomplete)
  gv_lua:        Yes
  gv_ocaml:      No (ocaml not available)
  gv_perl:       Yes
  gv_php:        No (missing header)
  gv_python:     No (python is too old)
  gv_python3:    Yes
  gv_R:          Yes
  gv_ruby:       No (missing header)
  gv_tcl:        Yes

  tcldot:        Yes
  tclpathplan:   Yes
  gdtclft:       Yes

Testing utilities:
  criterion:     No (Criterion unit testing framework not installed)
+ make
printf '#pragma once\n' > ./graphviz_version.h
/usr/bin/grep -E 'PACKAGE|VERSION|GVPLUGIN' config.h >> ./graphviz_version.h
make  all-recursive
make[1]: Entering directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0'
Making all in libltdl
make[2]: Entering directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0/libltdl'
make  all-am
make[3]: Entering directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0/libltdl'
  CC       libltdlc_la-lt__alloc.lo
  CC       libltdlc_la-lt_dlloader.lo
  CC       libltdlc_la-lt_error.lo
  CC       libltdlc_la-ltdl.lo
  CC       libltdlc_la-slist.lo
  CC       lt__strl.lo
  CC       loaders/dlopen.lo
  CC       loaders/libltdlc_la-preopen.lo
  CCLD     dlopen.la
  CCLD     libltdlc.la
make[3]: Leaving directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0/libltdl'
make[2]: Leaving directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0/libltdl'
Making all in lib
make[2]: Entering directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0/lib'
Making all in cdt
make[3]: Entering directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0/lib/cdt'
  CC       dtclose.lo
  CC       dtdisc.lo
  CC       dtextract.lo
  CC       dtflatten.lo
  CC       dthash.lo
  CC       dtlist.lo
  CC       dtmethod.lo
  CC       dtopen.lo
dthash.c: In function 'dthtab':
dthash.c:50:36: warning: conversion to 'long unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   50 |  if (!(s = dt->memoryf(dt, olds, n * sizeof(Dtlink_t*), dt->disc)))
      |                                    ^
In file included from dthash.c:1:
../../lib/cdt/dthdr.h:33:25: warning: conversion to 'unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   33 | #define HINDEX(n,h) ((h)&((n)-1))
      |                         ^
dthash.c:62:17: note: in expansion of macro 'HINDEX'
   62 |    if((is = s + HINDEX(n,t->hash)) == hs)
      |                 ^~~~~~
dthash.c: In function 'dthash':
../../lib/cdt/dthdr.h:33:25: warning: conversion to 'unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   33 | #define HINDEX(n,h) ((h)&((n)-1))
      |                         ^
dthash.c:138:24: note: in expansion of macro 'HINDEX'
  138 |   s = dt->data->htab + HINDEX(dt->data->ntab,dt->data->here->hash);
      |                        ^~~~~~
../../lib/cdt/dthdr.h:33:25: warning: conversion to 'unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   33 | #define HINDEX(n,h) ((h)&((n)-1))
      |                         ^
dthash.c:167:25: note: in expansion of macro 'HINDEX'
  167 |    s = dt->data->htab + HINDEX(dt->data->ntab,hsh);
      |                         ^~~~~~
../../lib/cdt/dthdr.h:33:25: warning: conversion to 'unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   33 | #define HINDEX(n,h) ((h)&((n)-1))
      |                         ^
dthash.c:175:29: note: in expansion of macro 'HINDEX'
  175 |      *(s = dt->data->htab + HINDEX(dt->data->ntab,hsh));
      |                             ^~~~~~
../../lib/cdt/dthdr.h:33:25: warning: conversion to 'unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   33 | #define HINDEX(n,h) ((h)&((n)-1))
      |                         ^
dthash.c:235:24: note: in expansion of macro 'HINDEX'
  235 |   s = dt->data->htab + HINDEX(dt->data->ntab,hsh);
      |                        ^~~~~~
  CC       dtrenew.lo
  CC       dtrestore.lo
  CC       dtsize.lo
  CC       dtstat.lo
  CC       dtstrhash.lo
  CC       dttree.lo
In file included from dtrenew.c:1:
dtrenew.c: In function 'dtrenew':
../../lib/cdt/dthdr.h:33:25: warning: conversion to 'unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   33 | #define HINDEX(n,h) ((h)&((n)-1))
      |                         ^
dtrenew.c:37:25: note: in expansion of macro 'HINDEX'
   37 |  { s = dt->data->htab + HINDEX(dt->data->ntab,e->hash);
      |                         ^~~~~~
  CC       dtview.lo
  CC       dtwalk.lo
rm -f cdt.3.pdf; pdffile=cdt.3.pdf; psfile=${pdffile%pdf}ps; \
groff -Tps -man cdt.3 > $psfile || { rm -f $psfile; exit 1; }; \
ps2pdf $psfile && rm -f $psfile || { rm -f $psfile; exit 1; }
dtstrhash.c: In function 'dtstrhash':
dtstrhash.c:23:7: warning: conversion from 'long int' to 'int' may change value [-Wconversion]
   23 |   n = s - (unsigned char*)args;
      |       ^
dtstrhash.c:32:11: warning: conversion to 'unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   32 |  return (h+n)*DT_PRIME;
      |           ^
dtstat.c: In function 'dtstat':
dtstat.c:60:38: warning: conversion to 'long unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   60 |    if(!(Count = malloc((ds->dt_max+1)*sizeof(int))) )
      |                                      ^
dtstat.c:74:37: warning: conversion to 'long unsigned int' from 'int' may change the sign of the result [-Wsign-conversion]
   74 |     if(!(Count = malloc((ds->dt_n+1)*sizeof(int))) )
      |                                     ^
Segmentation fault
make[3]: *** [Makefile:1106: cdt.3.pdf] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0/lib/cdt'
make[2]: *** [Makefile:584: all-recursive] Error 1
make[2]: Leaving directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0/lib'
make[1]: *** [Makefile:801: all-recursive] Error 1
make[1]: Leaving directory '/ports/build/graphviz-5.0.0/src/graphviz-5.0.0'
make: *** [Makefile:630: all] Error 2
=======> ERROR: Building '/ports/packages/graphviz#5.0.0-1.pkg.tar.gz' failed.

-- Packages where update failed
graphviz