[fpc-devel] fpcmkcfg invocation for two versions (linux)

[Gennadiy Poryev]

thank you,

but my question was more about where to put fpc.cfg so that both 
versions can use it properly, or, if that is not possible, where to 
stuff different fpc.cfg's for the same purpose?
and what would be the basepath in either case?

On 20-10-2014 12:47, Marco van de Voort wrote:
> In our previous episode, Gennadiy Poryev said:
>> I've got two FPC versions installed on my Linux x64 box: 2.6.4 as a
>> bootstrap and 2.7.1 for building Lazarus. Both were installed through
>> 'make zipinstall' from svn and untaring to /usr, hence they reside under
>> /usr/lib64/fpc/2.6.4/ and /usr/lib64/fpc/2.7.1/ accordingly. The
>> switching is done by force-resymlinking /usr/bin/ppcx64 to the correct
>> ppcx64 in their corresponding locations so that /usr/bin/fpc may invoke
>> needed binary. Now Lazarus does not build, complaining about RegisterFCL
>> and I know this is because of missing fpc.cfg.
>> What is the proper way of generating fpc.cfg in such case? I'm
>> particularly concerned about how do define 'basepath'. I did that on
>> Windows easily since bin directory was also located under version
>> directory, which is not the case in Linux.
> A solution for the ppc* binary is to make a symlink for one of the binaries
> (typically trunk) to ppx64-2.7.1, and to call "fpc" with -P2.7.1
>
> This still assumes 2.6.x and 2.7.x can use the same "fpc" binaries, and is
> no solution for the rest.
>
> I don't know fpcmkcfg that well, but the idea is that all paths in fpc.cfg
> for this are done using $FPCVERSION for the versionnumber.
>
> I made the setup for cmdline use (not lazarus), and I use a small
> shellscript "fpcx" that adds the -P parameter, (fpc -P2.7.1 $*) and call
> fpcx if I want to compile with trunk.
>
> Generally I have projects that *must* use trunk, and the rest uses stable,
> so I've no need to clean my application dirs before switching, since I never
> do.
>
>
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