up vote 3 down vote favorite

I develop in Haskell privatly, but for school I have to use Delphi (I am allowed to use Lazarus though). To speed up linking in GHC (The compiler for Haskell) I installed binutilus-gold. But now, when I try to install lazarus, I get a conflicting package: binutils-gold. Does anybody knows, how to install both at the same time?

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Spoke with a mod. The tags you've requested are not needed, and as such will not be created. However, binutils, I will create. – Thomas Ward♦ Aug 16 '11 at 14:35
    
A great question. Could you quote the precise error message you get? – Stefano Palazzo♦ Aug 16 '11 at 14:37
1  
@Stefano Apt-get informs me, that the other package will be removed when I install one of them. That is all. No error. – FUZxxl Aug 16 '11 at 16:02
up vote 2 down vote

Unfortunately we have that:

  • lazarus depends on lazarus-ide
  • lazarus-ide depends on fp-compiler
  • fp-compiler conflicts with binutils-gold

so I suggest to remove binutils-gold and stay with binutils.

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Thank you, but I already know that this is an option. I rather want to know, how I could keep both packages. – FUZxxl Aug 16 '11 at 16:00
    
I do not think there are other options if you would to stay in the same environment, without hacking the package manager. Separating the environments, for example with a chroot, it is possible, but that is probably overkill. – enzotib Aug 16 '11 at 16:11
    
I wonder whether it is possible to use something like update-alternatives to symlink ld to the standard ld while keeping gold as ld.gold or something. i wonder whether it would be safe to knock out the conflict then. – FUZxxl Aug 16 '11 at 17:23
    
@FUZxxl: if the package mantainers have established they conflict there should be serious arguments. I would not try and break an installation for that, but you're free to experiment. – enzotib Aug 16 '11 at 17:47
up vote 0 down vote

I don't know much about Ubuntu package policies, but the search for "ld" of Free Pascal can be overriden using the -XP parameter.

The -XP parameter specifies a prefix that prefixes all calls to binutils with this prefix, and can be added to FPC's fpc.cfg to make it a default.

If you want to have the gold utils default, just create symlinks to say binutils-ld binutils-as binutils-ar etc somewhere in the $PATH and add 

-XPbinutils-

on an empty line to /etc/fpc.cfg (some debian and ubuntu versions have a /etc/fpc.d hierarchy for FPC configs)

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