--- Additional Comments From christophe dot lyon at st dot com 2008-09-30
07:50 ---
Subject: Re: New: ld does not understand DWARF version 3 when
trying to get a source line number
This has been fixed as part of PR ld/3191 by Daniel Jacobowitz (on
2008/09/19)
Christophe.
On 30.09.2008 00:06, geir at cray dot com wrote:
Using ld version 2.18 when linking a PGI 7.2-5 compiled program, I see the
following dwarf error:
$ cat datatypes.module.f90
module datatypes
integer, parameter :: short = 1
end module datatypes
$ cat main.f90
program TEST
use datatypes
end program TEST
$ pgf90 -Mdwarf3 -g -c datatypes.module.f90
$ pgf90 -Mdwarf3 -g -c main.f90
$ pgf90 -Mdwarf3 main.o
/usr/bin/ld: Dwarf Error: found dwarf version '3', this reader only handles
version 2 information.
main.o:(.debug_info+0x74): undefined reference to `..Dm_datatypes'
$
The undefined reference error is a PGI compiler error, so that can be
ignored.
The message: Dwarf Error: found dwarf version '3', this reader only handles
version 2 information. is occurring when the loader is trying to get the line
number for the undefined reference error. 'ld' should at least be able to
get
the source line number for a code in Dwarf 3 format.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6924
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