[fpc-pascal] Help: New install problems
jonas.maebe at elis.ugent.be
Mon Apr 2 16:27:57 CEST 2012
Anthony Walter wrote on Mon, 02 Apr 2012:
> Thanks. Yes I wanted to get fpc (the compiler) installed from sources
> rather than lazarus. Your advice somewhat got me there, but now when I
> compile the source/units are not found.
> cd /home/myusername
> sudo apt-get install fpc
> mkdir fpc
> svn co http://svn.freepascal.org/svn/lazarus/trunk lazarus
Here you are again checking out the lazarus sources?
> make FPC=`pwd`/compiler/ppc386 -C compiler installsymlink INSTALL_PREFIX=
> make install INSTALL_PREFIX=/home/myusername
It's probably better to switch the order of those two commands.
> Free Pascal Compiler version 2.7.1 [2012/04/02] for i386
> Copyright (c) 1993-2012 by Florian Klaempfl and others
> Target OS: Linux for i386
> Compiling Hello.pas
> Fatal: Can't find unit system used by Hello
> Fatal: Compilation aborted
> Error: /home/delluser/bin/ppc386 returned an error exitcode
The default FPC configuration file is /etc/fpc.cfg and it includes
information for units installed globally. If you install them
elsewhere, you have to create an alternate configuration file that
tells the compiler where to find them.
The easiest way is probably to copy /etc/fpc.cfg to ~/.fpc.cfg (notice
the leading dot) and then replace all /usr/lib/fpc with
/home/myusername/fpc. This means however that every compiler
invocation will use this alternate configuration file, so also when
using the globally installed 2.4.4 (which in turn will then complain
that it can't find /its/ units).
If you also want to be able to use the globally installed FPC (by e.g.
explicitly calling /usr/bin/ppc386), it's probably best to put the
above in ~/.fpc-trunk.cfg, and then create a ~/.fpc.cfg with the
You will have to replace the VER2_7 with newer version numbers when
the version number in svn trunk is changed though. Alternatively, you
can switch around the then/else branches and use VER2_4 instead, but
then you'll have the same problem when the version number of the
globally installed version changes.
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