; * autogen.sh: Comment.

This commit is contained in:
Glenn Morris 2018-03-21 14:12:42 -04:00
parent e0080b854d
commit 319fbc9fce

View file

@ -82,9 +82,11 @@ check_version ()
printf '%s' "(using $uprog0=$uprog) "
fi
## /bin/sh should always define the "command" builtin, but for
## some odd reason sometimes it does not on hydra.nixos.org.
## /bin/sh = "BusyBox v1.27.2", "built-in shell (ash)". ?
## /bin/sh should always define the "command" builtin, but
## sometimes it does not on hydra.nixos.org.
## /bin/sh = "BusyBox v1.27.2", "built-in shell (ash)".
## It seems to be an optional compile-time feature in that shell:
## see ASH_CMDCMD in <https://git.busybox.net/busybox/tree/shell/ash.c>.
if command -v command > /dev/null 2>&1; then
command -v $uprog > /dev/null || return 1
else