build fails due to GKfree

[PinkMushroom]

version 4.0.3

In file included from ../Lib/metis.h:35,
from pmetis.c:15:
pmetis.c: In function ‘main’:
../Lib/rename.h:380:41: warning: implicit declaration of function ‘__GKfree’; did you mean ‘GKfree’? [-Wimplicit-function-declaration]
380 | #define GKfree __GKfree
| ^~~~~~~~
pmetis.c:102:3: note: in expansion of macro ‘GKfree’
102 | GKfree(&graph.xadj, &graph.adjncy, &graph.vwgt, &graph.adjwgt, &part, LTERM);
| ^~~~~~
make[1]: *** [Makefile:26: pmetis.o] Error 1