I set CROSSOPT to empty, after this change avr6 builds. BUT:
What made me wonder was that avr5 builds fine, it should be affected by
the same SOFTFPU issue.
I did a quick grep through the fpc sources and found no obviously
missing defines for avr6.
However, a grep for avr revealed this code snippet in
rtl/embedded/system.cfg:
# AVR6 has normally more memory, so enable more functions
#ifdef CPUAVR6
-SfANSISTRINGS
-SfWIDESTRINGS
-SfDYNARRAYS
-SfTHREADING
-SfVARIANTS
-SfOBJECTS
-SfCOMMANDARGS
-SfRANDOM
-SfRESOURCES
#endif
The build works find with -g when I remove -SfVARIANTS
I am also wondering if CPUAVR is set when CPUAVR6 is set (I guess so),
if this is true then -SfOBJECTS can also be removed from the CPUAVR6
Define as it is already in the CPUAVR define
Last question: Is avr6 the only subarch that has enough memory for
enabling strings? I am a Noob when it comes to avr, but I guess there
should be more subarchs that have more memory, I today saw some ATTINY
Chips with 32kB of Flash....
Michael
Am 03.06.19 um 10:37 schrieb Jeppe Johansen:
Probably because of the missing softfpu support. It's failing while
writing debug info for floating point stuff in variants.
It will be fixed some day :)
On 6/2/19 10:54 PM, Michael Ring wrote:
Thank you, not using -gw2 did the trick for avr5.
Is this issue also known to you? I am trying to build avr6 support:
BINUTILSPREFIX=avr- ; CROSSOPT="-O- -g -dDEBUG"
SUBARCH=avr6
make clean buildbase CROSSINSTALL=1 OS_TARGET=embedded
CPU_TARGET=avr SUBARCH=$SUBARCH CROSSOPT="$CROSSOPT"
BINUTILSPREFIX=$BINUTILSPREFIX
OPT="-XR/Library/Developer/CommandLineTools//SDKs/MacOSX.sdk/" || exit 1
sudo make installbase CROSSINSTALL=1 OS_TARGET=embedded
CPU_TARGET=avr SUBARCH=$SUBARCH CROSSOPT="$CROSSOPT"
BINUTILSPREFIX=$BINUTILSPREFIX
INSTALL_UNITDIR=/usr/local/lib/fpc/3.3.1/units/avr-embedded/$SUBARCH/rtl
|| exit 1
results in:
/bin/mkdir -p /Users/ring/devel/fpc-avr/rtl/units/avr-embedded
/Users/ring/devel/fpc-avr/compiler/ppcrossavr -Cpavr6 -Ur -Tembedded
-Pavr -XPavr- -Xr -Ur -Xs -O2 -n -Fi../inc -Fi../avr -FE.
-FU/Users/ring/devel/fpc-avr/rtl/units/avr-embedded
-XR/Library/Developer/CommandLineTools//SDKs/MacOSX.sdk/ -davr
-dRELEASE -O- -g -dDEBUG -Us -Sg system.pp @system.cfg
system.pp(293,1) Fatal: Internal error -1413909275
Michael
Am 02.06.19 um 17:56 schrieb Christo Crause:
On Sun, Jun 2, 2019 at 4:51 PM Michael Ring <m...@michael-ring.org
<mailto:m...@michael-ring.org>> wrote:
I tried answering a question on the list today and to do so I
did my
'first time ever' compile of the avr target.
This is how I tried to build the avr-embedded target on my Mac:
SUBARCH=avr5; BINUTILSPREFIX=avr- ; CROSSOPT="-O- -gw2 -dDEBUG"
make clean buildbase CROSSINSTALL=1 OS_TARGET=embedded
CPU_TARGET=avr SUBARCH=$SUBARCH CROSSOPT="$CROSSOPT"
BINUTILSPREFIX=$BINUTILSPREFIX
OPT="-XR/Library/Developer/CommandLineTools//SDKs/MacOSX.sdk/"
|| exit 1
[snip]
/Users/ring/devel/fpc-avr/rtl/units/avr-embedded/system.s:
Assembler
messages:
/Users/ring/devel/fpc-avr/rtl/units/avr-embedded/system.s:90477:
Error:
value of 68582 too large for field of 2 bytes at 4713
/Users/ring/devel/fpc-avr/rtl/units/avr-embedded/system.s:90485:
Error:
value of 68582 too large for field of 2 bytes at 4731
The compiler picks dwarf3 by default to avoid this type of problem,
see also
https://www.mail-archive.com/fpc-devel@lists.freepascal.org/msg35438.html
Try building without specifying -gw2 in CROSSOPT.
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