From: Peter Korsgaard <peter@korsgaard.com>
To: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Julien Olivain <ju.o@free.fr>,
Fabrice Fontaine <fontaine.fabrice@gmail.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH] package/gdb: gdbserver does not need zlib
Date: Mon, 25 Sep 2023 07:33:24 +0200 [thread overview]
Message-ID: <87o7hqes0r.fsf@48ers.dk> (raw)
In-Reply-To: <20230917152303.1300577-1-yann.morin.1998@free.fr> (Yann E. MORIN's message of "Sun, 17 Sep 2023 17:23:03 +0200")
>>>>> "Yann" == Yann E MORIN <yann.morin.1998@free.fr> writes:
> Since 3341ceb1e585 (package/gdb: zlib is mandatory, not optional), zlib
> has become a mandatory dependencies of the gdb package.
> However, zlib is only needed for the debugger, gdb itself, while the
> server, gdbserver, does not use it.
> This means that, when building an SDK to be later reused as an external
> toolchain, the zlib headers and libraries are present in the sysroot of
> the toolchain, tainting the toolchain and making it unsuitable to be
> reused.
> As Julien noticed, for example, tcl will try and link with zlib if
> available, and at build time it is. But at runtime, it is not, and thus
> tclsh fails to run; see 7af8dee3a8a0 (package/tcl: add mandatory
> dependency to zlib)
> When we only need to build gdbserver, we still need to configure and
> build the whole gdb distribution, which means we call the top-level
> configure script; that script has no option to disable the detection
> of zlib: it wants to either use a system one, or it will build the
> bundled one.
> So, when we onlyt build gdbserver, we tell configure to not use a system
> zlib, which triggers a build of the bundled one, which we do not use...
> Reported-by: Julien Olivain <ju.o@free.fr>
> Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
> Cc: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Committed to 2023.02.x, 2023.05.x and 2023.08.x, thanks.
--
Bye, Peter Korsgaard
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prev parent reply other threads:[~2023-09-25 5:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-17 15:23 [Buildroot] [PATCH] package/gdb: gdbserver does not need zlib Yann E. MORIN
2023-09-17 19:32 ` Arnout Vandecappelle via buildroot
2023-09-17 19:41 ` Yann E. MORIN
2023-09-25 5:33 ` Peter Korsgaard [this message]
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