Hi,As there is no SMP support on arm6, I will add the -DNOSMP to the arm6 specific section in Makefile.defs. This section is only used on the arm6 architecture, so it makes no sense not to have it there.As for the "swp{b}" deprecated warning, this is certainly not ideal, but as you say not something I need to worry about as I am only interested in the Raspberry Pi which shows no signs of moving from arm6 right now.Thanks,PeterOn 11 September 2013 10:14, Konstantin M. <evilzluk@gmail.com> wrote:
Hi Peter,Adding CC_EXTRA_OPTS=-DNOSMP to make command (example: make CC_EXTRA_OPTS=-DNOSMP) solves the problem, even don't need to modify def's, unless the system can't recognize this fact.
But also need to deal with the following:During a compilation you'll get something like:
/tmp/ccr4MEib.s:5860: Warning: swp{b} use is deprecated for this architecture
The swp{b} instruction is deprecated in ARMv6 and above. Worse, it isn't supported at all in ARMv7 and is fixed up in the illegal instruction trap in the Linux kernel - at some runtime cost. Your compiler should absolutely not be generating it. Since raspi is armb6 arch - this warning will be silently ignored, but if you'll build on cubieboard (A10/A20) - it will be a catastrophe.
Regarding to SMP to ARMv6 - there is no SMP support. The SMP is only above ARM9.2013/9/11 Peter Dunkley <peter.dunkley@crocodilertc.net>Hi Konstantin,I used the latest raspbian distribution downloaded from www.raspberrypi.org and the commands:make cfgmakeThis produced the error output I reported.Making the change to Makefile.defs fixed that problem for me.Presumably you had to set some extra options when compiling? So the question is, should I commit the change to Makefile.defs to make the compile work without extra options required?The only reason not to make the change would be if someone has, or expects to have, an arm6 device with SMP support.Regards,Peter
--Peter DunkleyTechnical DirectorCrocodile RCS LtdI just successfuly compiled master on raspi:
root@raspberrypi:/usr/local/src/kamailio# /opt/kamailio-master/sbin/kamailio -V
version: kamailio 4.1.0-dev8 (arm6/linux) 6f1720
flags: STATS: Off, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT-NOSMP, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 6f1720
compiled on 23:49:15 Sep 10 2013 with gcc 4.6.3
root@raspberrypi:/usr/local/src/kamailio# lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 7.1 (n/a)
Release: 7.1
Codename: n/a2013/9/10 Konstantin M. <evilzluk@gmail.com>At Mar, 14 I have posted:---------------
Hi,
Successfully compiled on Raspberry PI for armv6(hf).
root@rpi:/opt/kamailio# ./sbin/kamailio -V
version: kamailio 4.1.0-dev1 (arm6/linux) 7d46ff
flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT-NOSMP, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 4MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 7d46ff
compiled on 22:47:35 Mar 13 2013 with gcc 4.6.3
A process of compilation is exactly the same, but need to add CC_EXTRA_OPTS=-DNOSMP because SMP is not supported for arm atomic operations.
You can add this remark in WIKI if you need.2013/9/10 Peter Dunkley <peter.dunkley@crocodilertc.net>Hello,I am trying to build a Kamailio Raspberry Pi for my presentation at AstriCon but the build fails on the very first file (action.c). This was working before (although I was using Fedora on the Pi last time).Has anyone changed anything recently or have any ideas about this?It may be as simple as tweaking the build arguments, but as this worked for me before I thought I'd ask first...Here is the build output:CC (gcc) [kamailio] action.oIn file included from parser/../mem/../atomic/atomic_native.h:74:0,from parser/../mem/../futexlock.h:44,from parser/../mem/../lock_ops.h:85,from parser/../mem/shm_mem.h:75,from parser/../ut.h:64,from parser/../ip_addr.h:50,from parser/msg_parser.h:61,from select.h:38,from route_struct.h:47,from action.h:42,from action.c:69:parser/../mem/../atomic/atomic_arm.h:69:2: warning: #warning SMP not supported for arm atomic ops, try compiling with -DNOSMP [-Wcpp]In file included from parser/../mem/../atomic/atomic_arm.h:81:0,from parser/../mem/../atomic/atomic_native.h:74,from parser/../mem/../futexlock.h:44,from parser/../mem/../lock_ops.h:85,from parser/../mem/shm_mem.h:75,from parser/../ut.h:64,from parser/../ip_addr.h:50,from parser/msg_parser.h:61,from select.h:38,from route_struct.h:47,from action.h:42,from action.c:69:parser/../mem/../atomic/atomic_unknown.h:59:2: warning: #warning no native memory barrier implementations, falling back to slow lock based workarround [-Wcpp]parser/../mem/../atomic/atomic_unknown.h:64:1: error: unknown type name ‘gen_lock_t’In file included from parser/../mem/../atomic/atomic_native.h:74:0,from parser/../mem/../futexlock.h:44,from parser/../mem/../lock_ops.h:85,from parser/../mem/shm_mem.h:75,from parser/../ut.h:64,from parser/../ip_addr.h:50,from parser/msg_parser.h:61,from select.h:38,from route_struct.h:47,from action.h:42,from action.c:69:parser/../mem/../atomic/atomic_arm.h: In function ‘mb_atomic_get_int’:parser/../mem/../atomic/atomic_arm.h:229:2: warning: implicit declaration of function ‘lock_release’ [-Wimplicit-function-declaration]parser/../mem/../atomic/atomic_arm.h:229:2: warning: implicit declaration of function ‘lock_get’ [-Wimplicit-function-declaration]make: *** [action.o] Error 1Regards,Peter--Peter DunkleyTechnical DirectorCrocodile RCS Ltd_______________________________________________
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--Peter DunkleyTechnical DirectorCrocodile RCS Ltd
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