[Buildroot] [PATCH 1/2] ngrep: bump to version 1.47

[Baruch Siach]

Hi Fabric,

Fabrice Fontaine writes:
> Dear Thomas,
> Le dim. 4 nov. 2018 à 11:19, Thomas Petazzoni
> <thomas.petazzoni at bootlin.com> a écrit :
>>
>> Hello,
>>
>> On Sat, 3 Nov 2018 23:01:07 +0100, Fabrice Fontaine wrote:
>>
>> > > So PCRE is not mandatory.
>> > Indeed, PCRE is not really "mandatory", ngrep use GNU regex by default
>> > but this was already the case before the bump (in version 1.45): see
>> > https://github.com/jpr5/ngrep/blob/V1_45/configure.in.
>> > I didn't want to change this behavior when bumping the package and I
>> > could find why pcre wasn't made optional in the initial commit back in
>> > 2011.
>> > However, I'll add a third patch in my serie to make pcre an optional
>> > dependency before bumping the package..
>>
>> Indeed, it could be a third patch.
> OK, when I tried to enable GNU regex (on 1.47), I got the following error:
> /usr/bin/make w -j --jobserver-fds=3,4 -C regex-0.12 regex.o
> make[2]: Entering directory
> '/home/fabrice/buildroot/output/build/ngrep-1_47/regex-0.12'
> make[2]: *** No rule to make target 'w'.  Stop.
>
> This error is raised by this command:
> $(MAKE) $(MAKEFLAGS) -C $(REGEX_DIR) $(notdir $(REGEX_OBJS))
>
> which means that MAKEFLAGS is set to "w -j --jobserver-fds=3,4".
> I don't understand where this "w" and not "-w" is coming from. Do you
> have any advice or clue?

This is most likely related to mismatch of make versions being used when
we build our own host-make. See the discussion in this thread related to
boa:

  http://lists.busybox.net/pipermail/buildroot/2018-October/232957.html

There is no fix to this issue yet.

baruch

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