=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for nsieve-1.2b
(cd /usr/pkgsrc/work/benchmarks/nsieve/work ; gcc -Wno-error -march=i586 -DUNIX -o nsieve nsieve.c -lm)
nsieve.c: In function 'dtime':
nsieve.c:457: error: 'RUSAGE_SELF' undeclared (first use in this function)
nsieve.c:457: error: (Each undeclared identifier is reported only once
nsieve.c:457: error: for each function it appears in.)
nsieve.c:459: error: invalid use of undefined type 'struct rusage'
nsieve.c:460: error: invalid use of undefined type 'struct rusage'
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/benchmarks/nsieve
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/benchmarks/nsieve