[fpc-pascal] How to ? Using two compiler versions.

[Henry Vermaak]

On 08/02/12 12:58, Koenraad Lelong wrote:
>> Make sure you set up fpc.cfg to look at the right directories, e.g.
>>
>> -Fu/usr/local/lib/fpc/$fpcversion/units/$fpctarget
>> -Fu/usr/local/lib/fpc/$fpcversion/units/$fpctarget/*
>> -Fu/usr/local/lib/fpc/$fpcversion/units/$fpctarget/rtl
>
> My fpc.cfg was similar, all pointing to /usr/lib64/fpc/...
> And that will be a problem. When I installed ppcrossarm (2.6.0 version),
> I used PREFIX=/usr, so all went into /usr/lib/fpc/...
> Is there way to select those paths depending on the version ? Like
> #if $fpcversion=2.7.1

#ifdef ver2_7_1

>> Then you can just call the compiler directly, like:
>>
>> /usr/local/lib/fpc/2.7.1/ppcrossarm
>>
>> You can also set up symlinks/copies with a version suffix:
>>
>> hcv at technical09:~$ ls -l /usr/local/bin/ppcrossarm*
>> lrwxrwxrwx 1 root root 35 Feb 8 11:48 /usr/local/bin/ppcrossarm-2.7.1 ->
>> /usr/local/lib/fpc/2.7.1/ppcrossarm
>>
>> Then use it like this:
>>
>> hcv at technical09:~$ fpc -Parm -V2.7.1
>> So you can use different versions by just changing the -V parameter.
>
> That's new to me, interesting.
>
> So how should I make the crosscompiler ? -V seems not to work with the
> make-command.
> If I "make clean build install" svn-trunk I will overwrite 2.6.0. So I
> should "make clean build", then rename/link /usr/bin/ppcx64 to something
> e.g. ppcx64-2.6.0, then "make install" and rename/link ppcx64 to
> ppcx64-2.7.1.
> Then to make the crosscompiler how do I specify to use ppcx64-2.7.1 ?

I'm afraid I don't understand the question.

Henry