sextractor requires the following formulae to be installed:
fftw 3.3.7_1 C routines to compute the Discrete Fourier Transform
autoconf 2.69 Automatic configure script builder

Recent formula history

Viktor Szakats sextractor: secure url(s)
Matthew Craig sextractor 2.19.5
Ian Lancaster sextractor: use patch DSL
Ian Lancaster sextractor: revert "Use patch DSL"
Ian Lancaster Use patch DSL

Formula code at GitHub