[fpc-devel] Questions regarding m68k-atari target

[Thorsten Otto]

On Montag, 7. Februar 2022 14:09:00 CET Sven Barth via fpc-devel wrote:
> A FPC compiled for 68020 can generate 68000 code just fine and the other way
> round (assuming of course that it was compiled without bugs ;) ). It's just
> that you need to provide it with the correctly compiled units. You can
> supply those in the fpc.cfg and with $fpcsubarch you can get the name of
> the currently selected processor to use in a path name (the MS-DOS target
> makes use of this for example).

I'm currently trying to set this up and have a problem with the cross-
compiler. Although that was configured for atari and 68000, it still has LINUX 
and CPU68020 defined while processing the config file. My config file has -
Tatari set, so the LINUX define is no issue. But if i invoke the compiler 
without excplicit -Cp<x>, it will generate code for 68000, but take the 
libraries from the 68020 directory. It works as intended if i explictly 
specify -Cp68000.

Why are those macros still defined?

I also noticed that the cross-compiler still tries to locate units in /usr/
lib/fpc/3.3.1/units/atari/rtl 
That does not cause problems (because the directory does not exists), but 
doesn't look quite right.
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-Tatari

#IFDEF ATARI
# searchpath for tools
-FD$FPCBINDIR/../$FPCTARGET
#IFDEF CPUCFV4E
-Fu$FPCBINDIR/../../units/$FPCTARGET/cfv4e/*
-Fu$FPCBINDIR/../../units/$FPCTARGET/cfv4e/rtl
-Fu$FPCBINDIR/../../units/$FPCTARGET/cfv4e/tosunits
#else
#IFDEF CPU68020
-Fu$FPCBINDIR/../../units/$FPCTARGET/m68020/*
-Fu$FPCBINDIR/../../units/$FPCTARGET/m68020/rtl
-Fu$FPCBINDIR/../../units/$FPCTARGET/m68020/tosunits
#else
-Fu$FPCBINDIR/../../units/$FPCTARGET/m68k/*
-Fu$FPCBINDIR/../../units/$FPCTARGET/m68k/rtl
-Fu$FPCBINDIR/../../units/$FPCTARGET/m68k/tosunits
#endif
#endif
#endif

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