Installing x32 packages on x64 debian (or fix a dmd bug)

[simendsjo]

On Tue, 27 Mar 2012 13:24:06 +0200, Jordi Sayol <g.sayol at yahoo.es> wrote:

> Al 27/03/12 12:40, En/na simendsjo ha escrit:
>> On Tue, 27 Mar 2012 12:18:45 +0200, Jordi Sayol <g.sayol at yahoo.es>  
>> wrote:
>>
>>> Al 27/03/12 11:52, En/na simendsjo ha escrit:
>>>> This might not be the best forum to ask, but as it relates a dmd bug,  
>>>> I hope others here have found a workaround.
>>>>
>>>> I'm using a debian-based x64 distro. Due to  
>>>> http://d.puremagic.com/issues/show_bug.cgi?id=5570, I have to compile  
>>>> for -m32.
>>>> The challenge is installing 32-bit libraries using apt-get. I've  
>>>> found some "solutions" on the web, but they are all terrible hacks,  
>>>> and I haven't gotten it working properly.
>>>> Downloading packages directly (and all dependencies!) is a real drag!
>>>>
>>>> Has someone found an acceptable way of dealing with this?
>>>>
>>>
>>> Hello simendsjo,
>>>
>>> All deb packages at http://dlang.org/download.html includes both  
>>> 32-bit and 64-bit libraries, so, on a debian-based x64 distro, just  
>>> install the 64-bit deb, and You'll be able to compile to 32-bit just  
>>> adding -m32 as argument.
>>> Same situation for debian-based x32 distros, You can compile to 64-bit  
>>> adding -m64 as argument. Of course, you'll not allowed to run a 64-bit  
>>> binary on a x32 platform.
>>>
>>> Best regards,
>>
>> Thanks, but I was probably not very clear when writing the question.
>> DMD itself is not a problem (rather than the bug which forces me to  
>> only use 32-bit), it's all the packages available through the package  
>> manager - it only downloads 64-bit libraries.
>
> This is not strictly truth. dmd deb packages installs, among others,  
> "gcc-multilib", witch make possible to compile to 32-bit in x64 platform  
> and vice versa .
>
>> If I want to use a c library, I need to find both the library and all  
>> it's dependencies as 32-bit libraries rather than just installing  
>> through the package manager.
>> It can be a tedious process..
>>
>
> If you want to run a 32-bit program on a x64, install "ia32-libs" and  
> all its dependencies, through the package manager.
>
> Best regards,

I have ia32-libs, but say I want to install mysql? I can only get x64  
versions thourgh the package manager. Trying to download and install  
32-bit .deps says it's conflicting with the installed x64 library.