[BUG] Building Nix 2.3.7 fails

> Greetings,

>

> ld: src/nix/repl.o: in function `gc::operator new(unsigned long)':

> /gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-

> 8.0.4/include/gc/gc_cpp.h:409: undefined reference to `GC_malloc'

> ld: src/nix/repl.o: in function `gc::operator delete(void*)':

> /gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-

> 8.0.4/include/gc/gc_cpp.h:444: undefined reference to `GC_free'

> ld: /gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-

> 8.0.4/include/gc/gc_cpp.h:444: undefined reference to `GC_free'

> ld: /gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-

> 8.0.4/include/gc/gc_cpp.h:444: undefined reference to `GC_free'

> collect2: error: ld returned 1 exit status

> make: *** [mk/lib.mk:105: src/nix/nix] Error 1

> command "make" "-j" "6" failed with status 2

>

> Hopefully this is the info needed.

>

> Thank you,

> Kurt