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Date:	Mon, 30 Jul 2012 07:37:01 -0400
From:	Bernd Prager <bernd AT prager DOT ws>
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Subject:	Re: Who is corinna?
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On 7/29/2012 11:47 PM, Christopher Faylor wrote:
> On Sun, Jul 29, 2012 at 01:07:09PM -0400, Bernd Prager wrote:
>> I am trying to debug a compiled c++ program with gdb.
>>
>> When I start gdb it claims the symbols are loaded. When I try to list
>> the source code I get:
>>
>> (gdb) list
>>
>> /home/corinna/src/cygwin/cygwin-1.7.15/cygwin-1.7.15-1/src/cygwin-1.7.15/winsup/cygwin/crt0.c:
>> No such file or directory.
>>          in
>> /home/corinna/src/cygwin/cygwin-1.7.15/cygwin-1.7.15-1/src/cygwin-1.7.15/winsup/cygwin/crt0.c
>>
>> When I try to single step trough the program I get:
>>
>> (gdb) start
>> Temporary breakpoint 1 at 0x401173
>> Starting program: /home/bernd/Test/a.exe
>> [New Thread 3820.0x8a0]
>> [New Thread 3820.0x41c]
>>
>> Temporary breakpoint 1, 0x00401173 in main ()
>> (gdb) next
>> Single stepping until exit from function main,
>> which has no line number information.
>> 0x004011c2 in _fu0___ZSt4cout ()
>>
>> Does anybody has an idea what is going on?
> Sure looks like your program is not compiled with debugging information,
> i.e., "gcc -g" was not used when compiling and linking the program.
>
> As to who Corrina is, here's a link:
>
> http://www.imdb.com/title/tt0109484/
>
Thank you. That was embarrassingly the case.
Now to the root of my confusion: Autotools used to generate a stripped 
and a debug version.
I could run the debugger: gdb .lib/a.exe and the debug information were 
there.
That seems to fail now.

The generated Makefile has a line that is commented:
#am__append_1 = -Wall -Wextra -ggdb -O0
am__append_2 = -O2

Could that have anything to do with my missing debug information?
Anybody else stumbled across this issue?

Thank you for your help,
-- Bernd

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