Busybox doesn't support "check", which is an alias for "-c" in coreutils. Tested on Alpine Edge and Fedora 29.
2019-03-09 Tommy Nguyen <remya...@gmail.com> PR contrib/82704 * contrib/download_prerequisites: Use -c instead of check for sha512sum --- contrib/download_prerequisites | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/contrib/download_prerequisites b/contrib/download_prerequisites index b50f47cda79..72976c46c92 100755 --- a/contrib/download_prerequisites +++ b/contrib/download_prerequisites @@ -51,7 +51,7 @@ case $OS in chksum='shasum -a 512 --check' ;; *) - chksum='sha512sum --check' + chksum='sha512sum -c' ;; esac -- 2.20.1