On Fri, May 5, 2017 at 9:31 AM, Kyle Evans <kevan...@ksu.edu> wrote:
> On May 5, 2017 8:39 AM, "Dimitry Andric" <d...@freebsd.org> wrote:
>
>
> This appears to be caused by bsdgrep. :-/ The build for lib/libsysdecode
> uses a shell script, mkioctls, to generate a ioctl.c file at build time.
> This script contains the following fragment:
>
> ioctl_includes=$(
> cd $includedir
> find -H -s * -name '*.h' | \
> egrep -v '(.*disk.*|net/pfvar|net/if_pfsync)\.h' | \
> xargs egrep -l \
> '^#[ ]*define[ ]+[A-Za-z_][A-Za-z0-9_]*[ ]+_IO[^a-z0-9_]' |
> awk '{printf("#include <%s>\\n", $1)}'
> )
>
> The idea is that all headers are searched for defines of ioctl macros,
> which start with _IO. The -l option to egrep is used to print only the
> matching filenames, not the matched content itself.
>
> However, this option seems to be broken in bsdgrep, as it *does* display
> the matched content:
>
> $ gnugrep -l printf /usr/include/stdio.h
> /usr/include/stdio.h
>
> $ bsdgrep -l printf /usr/include/stdio.h
> #define __SSTR 0x0200 /* this is an sprintf/snprintf string */
> /usr/include/stdio.h
>
> I did a quick check, and this option seems to have been accidentally
> broken by r317703 [1] ("bsdgrep: fix -w flag matching with an empty
> pattern").
>
> Ed, Kyle, any idea where the problem might be?
>
> -Dimitry
>
> [1] https://svnweb.freebsd.org/base?view=revision&revision=317703
>
>
> Hi,
>
> This is addressed by https://reviews.freebsd.org/D10607
>
FYI- This has now been committed as r317842. Apologies for the breakage,
and thanks for the reports!
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