Can't compile libatomic_ops on RPi

[Michael Tuexen]

Dear all,

I'm trying to build libatomic_ops on r269265 on a RPi B as part of building git from
the ports collection (this worked in the past). However, I got:

...
/bin/sh ../libtool  --tag=CC    --mode=compile cc -DHAVE_CONFIG_H    -I../src -I../src   -fPIC -Wall -Wextra -O -pipe -MT atomic_ops_stack.lo -MD -MP -MF .deps/atomic_ops_stack.Tpo -c -o atomic_ops_stack.lo atomic_ops_stack.c
libtool: compile:  cc -DHAVE_CONFIG_H -I../src -I../src -fPIC -Wall -Wextra -O -pipe -MT atomic_ops_stack.lo -MD -MP -MF .deps/atomic_ops_stack.Tpo -c atomic_ops_stack.c -o atomic_ops_stack.o
/tmp/atomic_ops_stack-390892.s: Assembler messages:
/tmp/atomic_ops_stack-390892.s:73: Error: selected processor does not support `ldrexd r6,r7,[r0]'
/tmp/atomic_ops_stack-390892.s:81: Error: selected processor does not support `strexd r3,r4,r5,[r0]'
cc: error: assembler command failed with exit code 1 (use -v to see invocation)
*** [atomic_ops_stack.lo] Error code 1

make[4]: stopped in /usr/ports/devel/libatomic_ops/work/libatomic_ops-7.4.0/src
1 error

make[4]: stopped in /usr/ports/devel/libatomic_ops/work/libatomic_ops-7.4.0/src
*** [all] Error code 2

make[3]: stopped in /usr/ports/devel/libatomic_ops/work/libatomic_ops-7.4.0/src
1 error

make[3]: stopped in /usr/ports/devel/libatomic_ops/work/libatomic_ops-7.4.0/src
*** [all-recursive] Error code 1

make[2]: stopped in /usr/ports/devel/libatomic_ops/work/libatomic_ops-7.4.0
1 error

make[2]: stopped in /usr/ports/devel/libatomic_ops/work/libatomic_ops-7.4.0
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/devel/libatomic_ops
*** Error code 1

Stop.
make: stopped in /usr/ports/devel/libatomic_ops
> uname -a
FreeBSD raspberry-pi 11.0-CURRENT FreeBSD 11.0-CURRENT #85 r269265M: Tue Jul 29 23:55:33 CEST 2014     root at bsd5.fh-muenster.de:/usr/home/tuexen/obj/arm.armv6/usr/home/tuexen/head/sys/RPI-B  arm

Any idea what is going wrong?

Best regards
Michael