hush: make echo builtin optional
authorDenys Vlasenko <vda.linux@googlemail.com>
Mon, 9 Jan 2017 16:10:04 +0000 (17:10 +0100)
committerDenys Vlasenko <vda.linux@googlemail.com>
Mon, 9 Jan 2017 16:10:04 +0000 (17:10 +0100)
commit1cc6804f6980d2732df97f15933c93d34041dd83
tree4a8c43e645df9271c2bb3a6019cab65f1ff7a8ad
parent53487a8d221d9568b6d2ea81e729456b084dcdf9
hush: make echo builtin optional

It's a bit overkill (who would want it off?) but ash already has it
configurable. Let's be symmetric.

Also tweak kbuild logic to use ASH_BUILTIN_ECHO to select echo.o,
not ASH.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
coreutils/Kbuild.src
shell/hush.c