linux-kernel - Re: [PATCH] tools lib: Reinstate strlcpy() header guard with __UCLIBC_

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Message-ID: <20160819214207.GC20810@kernel.org>
Date:   Fri, 19 Aug 2016 18:42:07 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:     Wang Nan <wangnan0@...wei.com>, David Ahern <dsahern@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Petri Gynther <pgynther@...gle.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>
Subject: Re: [PATCH] tools lib: Reinstate strlcpy() header guard with
 __UCLIBC__

Em Fri, Aug 19, 2016 at 02:27:58PM -0700, Vineet Gupta escreveu:
> On 08/19/2016 02:10 PM, Arnaldo Carvalho de Melo wrote:
> >> But one question: when you test build, do you have any extra devel
> >> > packages installed besides what is in this prebuilt toolchain tarball?
> >> > 
> >> > I'll add at least zlib and elfutils to the mix, building it in the
> >> > docker image creation process, and then testing with/without
> >> > NO_LIBELF=1, as I do to other cross-building images:
> > Trying to build elfutils 0.166:
> >
> > checking whether gcc accepts -Wduplicated-cond... no
> > checking whether gcc accepts -Wnull-dereference... no
> > configure: WARNING: "libc does not have argp"
> > checking for argp_parse in -largp... no
> > configure: error: "no libargp found"
> >
> > ----
> >
> > will go errands now, will try to check what is needed to build elfutils
> > with uclibc, ideas?
> 
> So back in 3.2 days I ran into these issues with elfutils - the workaround was to
> use the standalone libelf
> http://www.mr511.de/software/libelf-0.8.9.tar.gz.

Ok, so I'll git it a try with libelf, lets see...
 
> Not sure if you will be willing to take that path.
> 
> OTOH, you could use standalone argp @ http://www.lysator.liu.se/~nisse/archive but
> it seems that requires a bunch of patches too - from looking into the
> corresponding buildroot package folder. Give this a shot - otherwise it is easier
> to just build a custom toolchain with pre-req packages from buildroot. Or can be
> provided if you so deem fit !

I tried this path and its not fun :-\