On 2020-09-11 21:51, Bo Berglund via fpc-pascal wrote:
I am not very informed about how make works when building fpc
installations, I have just used commands I have gathered online and it
has worked...
Now I would like to know:
1) Does make clean inside the fpc source dir erase ALL of the binaries
produced by an earlier build inside that source tree?
Yes, as long as the same target is involved. If you want to clean for
results of possible cross-compilations as well, use 'make distclean'.
2) If so, does these two versions of "make all" build for ARMv7 and
ARMv6 respecitively:
make all FPC=/home/pi/dev/ppcarm OPT="-dFPC_ARMHF"
make all FPC=/home/pi/dev/ppcarm OPT="-dFPC_ARMHF -CpARMV6 -OpARMV6"
I know nothing about ARM thus I can't answer this one.
3) Does the following command overwrite existing files from an earlier
attempt so the CPU target can be replaced?
For ARMv7:
make install OPT="-dFPC_ARMHF" PREFIX=/home/pi
FPC="/home/pi/dev/ppcarm"
For ARMv6:
make install OPT="-dFPC_ARMHF -CpARMV6 -OpARMV6" PREFIX=/home/pi
FPC="/home/pi/dev/ppcarm"
If you perform 'make all' before running 'make install', then you
probably don't need the OPT=... parameter for 'make install'.
4) Do I also need to switch the seed compiler /home/pi/dev/ppcarm
(3.0.4) between v6 and v7 or can any of the two work to build
correctly fpc itself?
No - as long as the seed compiler works on your machine and is supported
by the makefiles (i.e. isn't too old), you can use the same seed
compiler. Preferably, you should use a seed compiler from the last
official release for your platform.
The reason I am asking is that I need to switch my system from
building ARMv7 binaries to build ARMv6 binaries and I don't want to
start over from scratch on this RPi, which I have used for some
time...
Hopefully
make clean
make all
make install
with the proper options will do the trick....
TIA..
They should.
Tomas
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