Re: [Bug ld/6924] New: ld does not understand DWARF version 3 when trying to get a source line number

[Christophe LYON]

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.