Re: [PATCH 2/2] grep: fix builds with with no thread support

> Commit 0281e487fd91 ("grep: optionally recurse into submodules")
> added functions grep_submodule() and grep_submodule_launch() which
> uses "struct work_item" which is defined only when thread support
> is available.
>
> The original implementation of grep_submodule() used the "struct
> work_item" in order to gain access to a strbuf to store its output which
> was to be printed at a later point in time.  This differs from how both
> grep_file() and grep_sha1() handle their output.  This patch eliminates
> the reliance on the "struct work_item" and instead opts to use the
> output function stored in the output field of the "struct grep_opt"
> object directly, making it behave similarly to both grep_file() and
> grep_sha1().
>
> Reported-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
> Signed-off-by: Brandon Williams <bmwill@google.com>
> ---
>  builtin/grep.c | 21 +++++++++------------
>  1 file changed, 9 insertions(+), 12 deletions(-)
>