What does dmd 2.066 want from me?

[John Colvin via Digitalmars-d-learn]

On Wednesday, 7 January 2015 at 20:10:35 UTC, Artem Tarasov wrote:
> I'm trying to compile my software with the latest compiler, and 
> it spits out the following error:
>
> $ make
> <...>
> rdmd --force --build-only -IBioD -g -L-Lhtslib -L-l:libhts.a 
> -L-l:libphobos2.a -ofbuild/sambamba.o main.d
> <...>
> /tmp/.rdmd-1000/rdmd-main.d-5E103AD0DCA0998F00B4F9BA5B181EDE/objs/sambamba.o.o:(.data._D80TypeInfo_S3bio3bam4read41__T12EagerBamReadTS3bio3bam4read7BamReadZ12EagerBamRead6__initZ+0x30): 
> undefined reference to 
> `_D3bio3bam4read41__T12EagerBamReadTS3bio3bam4read7BamReadZ12EagerBamRead9__xtoHashFNbNeKxS3bio3bam4read41__T12EagerBamReadTS3bio3bam4read7BamReadZ12EagerBamReadZm'
> /tmp/.rdmd-1000/rdmd-main.d-5E103AD0DCA0998F00B4F9BA5B181EDE/objs/sambamba.o.o:(.data._D80TypeInfo_S3bio3bam4read41__T12EagerBamReadTS3bio3bam4read7BamReadZ12EagerBamRead6__initZ+0x38): 
> undefined reference to 
> `_D3bio3bam4read41__T12EagerBamReadTS3bio3bam4read7BamReadZ12EagerBamRead11__xopEqualsFKxS3bio3bam4read41__T12EagerBamReadTS3bio3bam4read7BamReadZ12EagerBamReadKxS3bio3bam4read41__T12EagerBamReadTS3bio3bam4read7BamReadZ12EagerBamReadZb'
>
> What the heck do these lines mean? Presumably they come from 
> the recent change in hash implementation, but I don't use this 
> struct in any dictionary whatsoever! It doesn't have opCmp 
> either and perfectly worked until now.

Are you totally sure that you don't have any old .o or .a files 
lying around? Remember that D offers no binary compatibility 
across compiler releases.

Also, are you absolutely certain that 1) the correct dmd.conf is 
being used and 2) the correct version of druntime/phobos is 
specified in dmd.conf