Re: [Automake] How to get debug symbols in the executable?

[Bob Friesenhahn]

On Sat, 4 Aug 2012, Marcelo Zimbres wrote:

> Hi,
>
> I am having some trouble to debug programs built from autotools. I am
> following the steps:
>
> $ ./configure CXXFLAGS="-g -O0"
> $ make
> $ libtool --mode=execute gdb --arg ./swat_find arg_list
>
> When I run the last line, I get the error message:
>
> Reading symbols from
> /home/marcelo/Public/swat/debug/.libs/lt-swat_find...(no debugging symbols
> found)...done.
>
> Why there are no symbols? The output of make shows the flags have been
> passed to gcc, for example:

This seems that it might be a library or loadable module but GDB is 
designed to debug whole programs.  You also need to consider how the 
program using this library or loadable module was built.

If the using program is C rather than C++, you would also need to 
specify CFLAGS"-g -O0".

Bob

> libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I/usr/local/include/root
> -I/usr/local/include/root -I -I -g -O0 -MT libswat_la-TDKernel.lo -MD -MP
> -MF .deps/libswat_la-TDKernel.Tpo -c ../TDKernel.cxx -o
> libswat_la-TDKernel.o >/dev/null 2>&1
>
> I couldn't also find the -s option which would discard the symbols. Can
> someone help me?
>
> Thanks,
> Marcelo
>
> ps. I am using automake version 1.11.3

--
Bob Friesenhahn
address@hidden, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/