Date: Tue, 17 Oct 2017 23:48:24 +0200 From: Piotr Kubaj <pkubaj@anongoth.pl> To: Jan Beich <jbeich@FreeBSD.org> Cc: Guido Falsi <mad@madpilot.net>, freebsd-ports@freebsd.org Subject: Re: Debugging ports Message-ID: <20171017214824.GA54270@ThinkPad-X200.g.anongoth.pl> In-Reply-To: <y3o9-31kk-wny@FreeBSD.org> References: <20171017160445.GA31080@smtp.iq.pl> <b612c6d0-41f1-4b6a-b424-033fa567d8bf@madpilot.net> <fa8be1ce-2408-3e5b-619a-d95accc8631e@madpilot.net> <y3o9-31kk-wny@FreeBSD.org>
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I think I got it. It turns out that it's our gdb in base that can't read th=
e debug info. lldb and gdb from ports do it just fine.
I also thought about recompiling library dependecies, but something didn't =
fit in, because not only the libraries calls were not there, but the calls =
=66rom the port itself as well.
Thanks anyway!
On 17-10-17 23:29:47, Jan Beich wrote:
>Guido Falsi <mad@madpilot.net> writes:
>
>> On 10/17/2017 23:11, Guido Falsi wrote:
>>
>>>>
>>>> Thing is, recompiling with WITH_DEBUG doesn't help (I only get
>>>> memory addresses in gdb), nor does -DCMAKE_BUILD_TYPE=3DDebug to
>>>> CMAKE_ARGS (the port uses CMake).
>>
>> Sorry, I clearly did not parse your message correctly.
>>
>> Looks strange though, WITH_DEBUG always worked for me... Usually I
>> compile the whole set in poudriere with WITH_DEBUG, to make sure all
>> libraries have symbols too.
>
>WITH_DEBUG doesn't disable vendor optimizations like -fomit-frame-pointer
>which may hinder stack unwinding, doesn't enable debug symbols for ports
>not respecting CFLAGS, often a nop for non-C/C++ ports, etc.
>
>Without an example it's hard to guess.
>
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