https://www.mirrorservice.org/sites/www.sagemath.org/spkg/upstream/lcalc/index.html
SageMath Download - upstream/lcalc
sagemathdownloadupstream
https://www.mail-archive.com/freebsd-pkg-fallout@freebsd.org/msg2378887.html
[package - main-i386-default][math/lcalc] Failed for lcalc-2.0.5_2 in build