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Re: [Bug-wget] Debug symbols
From: |
Giuseppe Scrivano |
Subject: |
Re: [Bug-wget] Debug symbols |
Date: |
Thu, 06 Mar 2014 20:28:52 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
Jeff Janes <address@hidden> writes:
> I am building from a git checkout.
>
> After running ./bootstrap, the resulting "./configure --help" advertises a
> --disable-debug option. To me this suggests that debugging symbols are
> included by default. But they are not, there are no debugging symbols in
> the resulting binary, i.e. no line numbers when using gdb.
>
> the ./configure script also accepts --enable-debug (but does not advertise
> it in help), but that option doesn't do anything, at least not for gcc.
>
> I've found that I can get debuggings symbols by manually forcing it, using:
>
> make CFLAGS='-g -O2 -Wall'
>
> But this should not be necessary. There seems to be some bug in the system
> that generates the ./configure file. But I am not familiar with that
> system. Before I try to dig into and figure out what is going, does anyone
> have any words of wisdom?
I think this name is misleading. The --enable-debug flag to the
configure script flag in fact will define ENABLE_DEBUG that is used by
wget internally to support --debug. The way to generate debugging
symbols is as you said to pass -g to CFLAGS.
Cheers,
Giuseppe