Rgraphviz fails to build with Graphviz 7: error: unknown type name 'Agdict_t' etc.

[barracuda156]

Executing:  cd "/opt/local/var/macports/build/_opt_PPCRosettaPorts_R_R-Rgraphviz/R-Rgraphviz/work/Rgraphviz" && /opt/local/bin/R CMD INSTALL . --configure-args='--with-graphviz=/opt/local' --library=/opt/local/var/macports/build/_opt_PPCRosettaPorts_R_R-Rgraphviz/R-Rgraphviz/work/destroot/opt/local/Library/Frameworks/R.framework/Versions/4.2/Resources/library 
* installing *source* package ‘Rgraphviz’ ...
** using staged installation
configure: Using external Graphviz.
configure: Using Graphviz dir '/opt/local'
configure: Found Graphviz version '7.0.6'.
configure: Graphviz major version is '7' and minor version is '0'.
checking for _Bool... no
checking for stdbool.h that conforms to C99... no
checking for whether compiler has bool... no
configure: Using the following compilation and linking flags for Rgraphviz
configure:    PKG_CFLAGS=-I/opt/local/include/graphviz -DGRAPHVIZ_MAJOR=7 -DGRAPHVIZ_MINOR=0
configure:    PKG_LIBS=-L/opt/local/lib/graphviz -L/opt/local/lib -lgvc
configure:    GVIZ_DEFS=
configure: Compiling using Graphviz version: '7.0.6'.
configure: Using bundled Graphviz: 'FALSE'.
configure: creating ./config.status
config.status: creating R/graphviz_build_version.R
config.status: creating src/Makevars
** libs
/opt/local/bin/gcc-mp-12 -I"/opt/local/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -isystem/opt/local/include/LegacySupport -I/opt/local/include  -I/opt/local/include/graphviz -DGRAPHVIZ_MAJOR=7 -DGRAPHVIZ_MINOR=0  -fPIC  -pipe -Os -arch ppc  -c LL_funcs.c -o LL_funcs.o
In file included from LL_funcs.c:1:
common.h:22:8: error: unknown type name 'Agdict_t'
   22 | extern Agdict_t *agdictof(void *);
      |        ^~~~~~~~
LL_funcs.c: In function 'getClusterPtr':
LL_funcs.c:24:20: warning: implicit declaration of function 'agfindsubg'; did you mean 'agidsubg'? [-Wimplicit-function-declaration]
   24 |     Agraph_t *sg = agfindsubg(g, subGName);
      |                    ^~~~~~~~~~
      |                    agidsubg
LL_funcs.c:24:20: warning: initialization of 'Agraph_t *' {aka 'struct Agraph_s *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
LL_funcs.c: In function 'getDefAttrs':
LL_funcs.c:31:5: error: unknown type name 'Agdict_t'; did you mean 'Agdisc_t'?
   31 |     Agdict_t *dict = agdictof(obj);
      |     ^~~~~~~~
      |     Agdisc_t
LL_funcs.c:34:27: error: request for member 'dict' in something not a structure or union
   34 |     if ( (*n = dtsize(dict->dict)) )
      |                           ^~
LL_funcs.c:41:35: error: request for member 'list' in something not a structure or union
   41 |           (*attr_defval)[i] = dict->list[i]->value;
      |                                   ^~
LL_funcs.c:42:33: error: request for member 'list' in something not a structure or union
   42 |           (*attr_name)[i] = dict->list[i]->name;
      |                                 ^~
LL_funcs.c: In function 'Rgraphviz_setDefAttrsGraph':
LL_funcs.c:93:18: warning: implicit declaration of function 'agraphattr'; did you mean 'agcopyattr'? [-Wimplicit-function-declaration]
   93 |     Agsym_t *r = agraphattr(g, cname, cval);
      |                  ^~~~~~~~~~
      |                  agcopyattr
LL_funcs.c:93:18: warning: initialization of 'Agsym_t *' {aka 'struct Agsym_s *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
LL_funcs.c: In function 'Rgraphviz_getDefAttrsNode':
LL_funcs.c:194:20: error: 'Agraph_t' {aka 'struct Agraph_s'} has no member named 'proto'
  194 |     Agnode_t *n = g->proto->n;
      |                    ^~
LL_funcs.c: In function 'Rgraphviz_setDefAttrsNode':
LL_funcs.c:224:18: warning: implicit declaration of function 'agnodeattr'; did you mean 'agcopyattr'? [-Wimplicit-function-declaration]
  224 |     Agsym_t *r = agnodeattr(g, cname, cval);
      |                  ^~~~~~~~~~
      |                  agcopyattr
LL_funcs.c:224:18: warning: initialization of 'Agsym_t *' {aka 'struct Agsym_s *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
LL_funcs.c: In function 'Rgraphviz_getDefAttrsEdge':
LL_funcs.c:291:20: error: 'Agraph_t' {aka 'struct Agraph_s'} has no member named 'proto'
  291 |     Agedge_t *e = g->proto->e;
      |                    ^~
LL_funcs.c: In function 'Rgraphviz_setDefAttrsEdge':
LL_funcs.c:321:18: warning: implicit declaration of function 'agedgeattr' [-Wimplicit-function-declaration]
  321 |     Agsym_t *r = agedgeattr(g, cname, cval);
      |                  ^~~~~~~~~~
LL_funcs.c:321:18: warning: initialization of 'Agsym_t *' {aka 'struct Agsym_s *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
LL_funcs.c: In function 'Rgraphviz_agopenSimple':
LL_funcs.c:456:5: error: too few arguments to function 'aginit'
  456 |     aginit();
      |     ^~~~~~
In file included from /opt/local/include/graphviz/types.h:41,
                 from /opt/local/include/graphviz/gvc.h:20,
                 from common.h:16:
/opt/local/include/graphviz/cgraph.h:373:17: note: declared here
  373 | CGRAPH_API void aginit(Agraph_t * g, int kind, const char *rec_name,
      |                 ^~~~~~
LL_funcs.c:458:23: error: incompatible type for argument 2 of 'agopen'
  458 |     g = agopen(cname, ag_k);
      |                       ^~~~
      |                       |
      |                       int
/opt/local/include/graphviz/cgraph.h:275:50: note: expected 'Agdesc_t' {aka 'struct Agdesc_s'} but argument is of type 'int'
  275 | CGRAPH_API Agraph_t *agopen(char *name, Agdesc_t desc, Agdisc_t * disc);
      |                                         ~~~~~~~~~^~~~
LL_funcs.c:458:9: error: too few arguments to function 'agopen'
  458 |     g = agopen(cname, ag_k);
      |         ^~~~~~
/opt/local/include/graphviz/cgraph.h:275:22: note: declared here
  275 | CGRAPH_API Agraph_t *agopen(char *name, Agdesc_t desc, Agdisc_t * disc);
      |                      ^~~~~~
LL_funcs.c:476:18: error: too few arguments to function 'agsubg'
  476 |         sgs[i] = agsubg(g, subGName);
      |                  ^~~~~~
/opt/local/include/graphviz/cgraph.h:385:22: note: declared here
  385 | CGRAPH_API Agraph_t *agsubg(Agraph_t * g, char *name, int cflag);       /* constructor */
      |                      ^~~~~~
LL_funcs.c:501:19: error: too few arguments to function 'agnode'
  501 |         curNode = agnode(tmpGraph, cnode);
      |                   ^~~~~~
/opt/local/include/graphviz/cgraph.h:290:22: note: declared here
  290 | CGRAPH_API Agnode_t *agnode(Agraph_t * g, char *name, int createflag);
      |                      ^~~~~~
LL_funcs.c:531:23: error: too few arguments to function 'agedge'
  531 |             curEdge = agedge(tmpGraph, tail, head);
      |                       ^~~~~~
/opt/local/include/graphviz/cgraph.h:302:22: note: declared here
  302 | CGRAPH_API Agedge_t *agedge(Agraph_t * g, Agnode_t * t, Agnode_t * h,
      |                      ^~~~~~
make: *** [LL_funcs.o] Error 1
ERROR: compilation failed for package ‘Rgraphviz’

macOS 10.6.8, gcc 12.2.0, R 4.2.2

A similar error was reported earlier, but no solution: https://support.bioconductor.org/p/125094/