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author | Glenn Morris <rgm@gnu.org> | 2018-03-21 14:12:42 -0400 |
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committer | Glenn Morris <rgm@gnu.org> | 2018-03-21 14:12:42 -0400 |
commit | 319fbc9fce85d1d61f00612ec26b517d1737e6c7 (patch) | |
tree | de38e25701e94f30efdbeca584168c95d6c3d74d /autogen.sh | |
parent | e0080b854df655ecd224f2ed27b83c63e2ca50a1 (diff) | |
download | emacs-319fbc9fce85d1d61f00612ec26b517d1737e6c7.tar.gz |
; * autogen.sh: Comment.
Diffstat (limited to 'autogen.sh')
-rwxr-xr-x | autogen.sh | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/autogen.sh b/autogen.sh index 518e5dbe830..2d52f9ea551 100755 --- a/autogen.sh +++ b/autogen.sh @@ -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 |