$ make distclean 2>&1 | grep curl
/bin/sh: curl-config: not found
/bin/sh: curl-config: not found
/bin/sh: curl-config: not found
/bin/sh: curl-config: not found
/bin/sh: curl-config: not found
$
if you don't have a curl development package installed.
The intent is not to alarm the user, but just to test if there is
a new enough curl installed. However, if you look at search engine
suggested completions, the above "error" messages are confusing
people into thinking curl is a hard requirement.
Redirect this error output to /dev/null as it is not necessary to be
shown to the end users.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>