Cargo Features

libxlsxwriter-sys has no features set by default.

[dependencies]
libxlsxwriter-sys = { version = "1.1.7", features = ["no-md5", "use-openssl-md5", "system-zlib"] }
no-md5
use-openssl-md5
system-zlib

libxlsxwriter-sys has 3 features without comments.