=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Building for nim-0.20.0
cd /tmp/pkgbuild/lang/nim/work.alpha/nim-0.20.0 && sh ./build.sh
# OS: netbsd
# CPU: alpha
gcc -o bin/nim -lm
/usr/lib/crt0.o: In function `___start':
(.text+0x1c0): undefined reference to `main'
/usr/lib/crt0.o: In function `___start':
(.text+0x1c4): undefined reference to `main'
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/lang/nim
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/lang/nim