[fpc-pascal] Installing Component Packages (ex Clipboard on WindowsCE)

[Technical]

Thankyou, Felipe, for your comments concerning multiple versions of Lazarus.
I am now using only one (different) version on each computer.

This refers to your comments concerning the installation of component
packages into Lazarus/FPC.

They have been running OK once installed in Lazarus 0.9.26/FPC 2.2.2.
However, on trying to install them into either 0.9.26/2,2,2 or
0.9.28.2/2.2.4 or 0.9.29/2.4.1 which have been installed individually on
three different computers without any previous history of Lazarus (2 are
running XP, 1 is running Windows 7) I always get the same errors - "Can't
find unit Unix", or "Can't find unit Controls", etc. etc. Another message is
"Argument can't be assigned to", despite being perfectly happy to be
assigned to in a previous installation. I have one other computer which
already still has the component installed and when running "Build All" the
application it builds OK using the previously installed component (running
with 0.9.26/2.2.2). I haven't tried installing other components on this same
computer for fear of affecting its performance with the main AlSortGrid
component.

They are all source code, and it is when I try to compile / install them
that the problems occur. I have checked the source directory and it is OK,
and it is the same on all computers (except for the FPC version directory), 
including the one with it still
installed OK. I have also checked a backup copy taken several months ago,
and this also points to the same directories.

It is very mysterious as to why it rejects all attempts to compile on all
computers and which have or have not seen Lazarus before, but why standard
Lazarus components (eg StringGrid, on which AlSortGrid is based) run OK. I 
do not want to change the first
computer configuration which is OK otherwise I may not be able to reinstate
it, but I will be happy to try anything on any of the others (apart from a
System Restore which would affect other settings on the computers).

Regards 


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