=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Building for stockfish-9
g++ -O2 -mieee -D_FORTIFY_SOURCE=2 -Wall -Wcast-qual -fno-exceptions -std=c++11  -pedantic -Wextra -Wshadow -m32 -DNDEBUG -O3 -DNO_PREFETCH -flto   -c -o benchmark.o benchmark.cpp
g++: error: unrecognized command line option '-m32'
gmake: *** [<builtin>: benchmark.o] Error 1
*** Error code 2

Stop.
make[1]: stopped in /usr/pkgsrc/games/stockfish
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/games/stockfish