New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/28379#discussion_r567906658

Comment:
```
=> hashcash-1.23_1: running do_install ...
cc -fstack-clash-protection -D_FORTIFY_SOURCE=2 -mtune=generic -O2 -pipe         -c -o sha1.o sha1.c
cc sha1.o libsha1.o -o sha1 -Wl,-z,relro -Wl,-z,now -Wl,--as-needed    
```

It's building sha1 during install.