Not every __sun has backtrace().
Not every __sun has backtrace().

I don't know how to test for Open Solaris that has support for
backtrace() so for now removing the #ifdef that breaks compilation under
other Solaris flavors.

ErikDubbelboer/redis,zhiliaoniu/redis,aim-for-better/redis,Soledad89/redis,mverrilli/redis,netroby/redis,zguangyu/redis,ttuna/msot-redis,zczhuohuo/redis,Hailei/redis,MSOpenTech/redis,ytjiang/redis,jasonkying/redis,mverrilli/redis,ituncle/redis,huangz1990/experiment-redis,mpalmer/redis,atreeyang/redis,pcarrier/redis,Wangyao14cyy/redis,mgk/redis,miaoyc1989/redis-3.0-annotated,josiahcarlson/redis,supasate/redis,abhiklodh/redis,Wangyao14cyy/redis,YongMan/redis,abhiklodh/redis,buobao/redis-3.0-annotated,a-pavlov/redis,nilyang/redis-tdd-annotation,ReadCode/redis-3.0-annotated,StevenTsai/redis,wuyu201321060203/redis-3.0-annotated,seppo0010/rlite-server,elkingtonmcb/redis,huangz1990/redis-3.0-annotated,ketor/redis,YuanZhewei/redis,wujf/redis,mattsta/redis,jxwr/redis,onlymellb/redis-3.0-annotated,shshlzh/redis-3.0-annotated,modulexcite/redis,colstrom/redis,alenslan/redis,adamweixuan/redis-3.0-annotated,qiyang0221/redis,a-pavlov/redis,zhiliaoniu/redis,ErikDubbelboer/redis,0x20h/redis,valdsJohn/redis,fankeke/redis-3.0-annotated,xujunhai1991/redis,saisai/redis,devaos/redis,drinkthere/redis-3.0-annotated,drinkthere/redis-3.0-annotated,colstrom/redis,blackmady/redis,narma/redis,jbochi/redis,mpalmer/redis,haima-zju/redis-3.0-annotated,francischan714/redis,HeartSaVioR/redis,CodeJuan/redis,yossigo/redis,pedigree/redis,saisai/redis,dreamquster/redis,valdsJohn/redis,Soledad89/redis,jasonkying/redis,nnog/redis,Hailei/redis,harrisonfeng/redis,saisai/redis,cloudrain21/redis,hedisdb/hedis,thomasdarimont/redis,riyan8250/redis,francischan714/redis,seandsky/redis,moonbingbing/redis-3.0-annotated,LongXQ/redis,splitice/redis,simplestbest/redis,citusdata/redis,cloudrain21/redis,mcanthony/redis,unasm/redis-3.0-annotated,JoeWoo/redis,tjschuck/redis,whille/redis-3.0-annotated,yossigo/redis,idning/redis,ncopa/redis,badboy/redis,oranagra/redis,soveran/redis,JoeWoo/redis,dayuoba/redis,jacklee0810/redis-3.0-annotated,netroby/redis,supasate/redis,ofirluzon/redis,splitice/redis,kensou97/redis,AALEKH/redis,gilala/hbjredis,zy416548283/redis-3.0-annotated,zhiliaoniu/redis,Cisphyx/redis-websockets,netroby/redis,RepmujNetsik/redis,himoca/redis,wbailey5/redis,jbochi/redis,HouKangkang/redis-3.0-annotated,janekmi/redis,StevenTsai/redis,ipmobiletech/redis,hgl888/redis,takeshineshiro/redis,pkdevbox/redis,fengshao0907/redis,HouKangkang/redis-3.0-annotated,NBSW/redis,mcanthony/redis,Wangyao14cyy/redis,0x20h/redis,ouyangkongtong/redis,RepmujNetsik/redis,oranagra/redis,pcarrier/redis,hawkchch/redis,flashbuckets/redis,zhoudayang/redis,iandyh/redis,yuhc/redis-benchmark-enhanced,cnbin/redis,rogerchina/redis,tjschuck/redis,kmiku7/redis,mingyaaaa/redis,gechong/redis-3.0-annotated,rrsean/redis-3.0-annotated,wenxueliu/redis_comment,0x55/redis-3.0-annotated,PKRoma/redis,dreamquster/redis,moonbingbing/redis-3.0-annotated,maodeyi/redis_lua,fengshao0907/redis-3.0-annotated,0x55/redis-3.0-annotated,rouzier/redis,cnbin/redis,slfs007/mk-redis,oranagra/redis,jackyan/redis,dayuoba/redis,huangz1990/experiment-redis,himoca/redis,universsky/redis,jingjidejuren/redis,NBSW/redis,izhoujie/redis,Markgorden/redis,cnbin/redis,spearhead-ea/redis,StevenTsai/redis,simplestbest/redis,ramonsnir/redis,louisliangjun/redis,ouyangkongtong/redis,aim-for-better/redis,healerkx/redis,kaushik94/redis,abhiklodh/redis,SummonY/redis,MOON-CLJ/redis,sunheehnus/redis,ErikDubbelboer/redis,devaos/redis,citusdata/redis,hgl888/redis,slfs007/mk-redis,riyan8250/redis,linfangrong/redis,MasahikoSawada/redis,Markgorden/redis,taoguan/redis,PKRoma/redis,davidradunz/redis,soloestoy/redis,huyuezheng/redis,idning/redis,seppo0010/rlite-server,clamoriniere1A/redis,HeartSaVioR/redis,timothyohare/3rdPartySrc-redis,j0hnma/hszredis,gaoxianglong/redis,narma/redis,zguangyu/redis,atreeyang/redis,gilala/redis,gilala/bjredis,huangz1990/experiment-redis,programmecat/redis,qiyang0221/redis,ofirluzon/redis,huyuezheng/redis,wenxueliu/redis_comment,soveran/redis,Aliceljm1/redis,fankeke/redis-3.0-annotated,qiyang0221/redis,yybirdcf/learn-redis,dreamquster/redis,iandyh/redis,modulexcite/redis,nnog/redis,MasahikoSawada/redis,LongXQ/redis,universsky/redis,cusspvz/redis,maodeyi/redis_lua,clamoriniere1A/redis,xujunhai1991/redis,roth1002/redis,july2993/redis,weizijun/redis,gaoxianglong/redis,rogerchina/redis,AplayER/redis,jxwr/redis,kensou97/redis,rouzier/redis,Sciumo/redis,yuhc/redis-benchmark-enhanced,YuraLukashik/redis,PKRoma/redis,charsyam/redis,csuhawk/redis,riyan8250/redis,xlzhan/redis,mpalmer/redis,spinlock/redis,qiyang0221/redis,healerkx/redis,charsyam/redis,soloestoy/redis,wprice/redis,atreeyang/redis,seandsky/redis,tellapart/redis,charsyam/redis,darksideofthemoo/redis-histogram,0x20h/redis,190235047/redis,HeartSaVioR/redis,wujf/redis,unasm/redis-3.0-annotated,gilala/hbjredis,wprice/redis,YongMan/redis,seppo0010/redis,HeartSaVioR/redis,mumingv/redis-3.0-annotated,mengzhejin/RedisStudy,fengshao0907/redis,YongMan/redis,190235047/redis,drinkthere/redis-3.0-annotated,WorkingOfTimtohyZhang/redis-3.0-annotated,ksarch-saas/redis,YuanZhewei/redis,guker/redis,j0hnma/hszredis,soveran/redis,spearhead-ea/redis,pmem/redis,izhoujie/redis,haima-zju/redis-3.0-annotated,wbailey5/redis,csuhawk/redis,fengshao0907/redis-3.0-annotated,zguangyu/redis,mcanthony/redis,sunheehnus/redis,vincent-vivian-liu/redis,gilala/bjredis,allengaller/redis,SyntaxStacks/redis,MasahikoSawada/redis,jbochi/parallel_redis,mengyou0304/redis,badboy/redis,devaos/redis,seandsky/redis,wbailey5/redis,yuhc/redis-benchmark-enhanced,colstrom/redis,honestme/redis,tanghaodong25/redis,neomantra/redis,yuzhangjob/redis-3.0-annotated-unstable,nuxeh/redis,miaoyc1989/redis-3.0-annotated,mengzhejin/RedisStudy,nuxeh/redis,nilyang/redis-tdd-annotation,weizijun/redis,wprice/redis,jxwr/redis,yossigo/redis,ituncle/redis,j0hnma/szredis,yossigo/redis,zczhuohuo/redis,gilala/redis,dongqifan2/redis-3.0-annotated,ttuna/msot-redis,linfangrong/redis,zhcy/redis,PradheepShrinivasan/redis,MOON-CLJ/redis,AplayER/redis,linfangrong/redis,july2993/redis,davidradunz/redis,Wangyao14cyy/redis,gilala/hredis,JoeWoo/redis,Aliceljm1/redis,tzq668766/redis-3.0-annotated,honestme/redis,wangyikai/redis,haima-zju/redis-3.0-annotated,wenxueliu/redis_comment,itugs/redis,OmarQunsul/graph-redis,gechong/redis-3.0-annotated,spinlock/redis,mverrilli/redis,hedisdb/hedis,jacklee0810/redis-3.0-annotated,kmiku7/redis,duanx/redis,elkingtonmcb/redis,healerkx/redis,kensou97/redis,j0hnma/hszredis,xujunhai1991/redis,ramonsnir/redis,josiahcarlson/redis,yybirdcf/learn-redis,Aliceljm1/redis,seppo0010/rlite-server,roth1002/redis,gilala/redis,WorkingOfTimtohyZhang/redis-3.0-annotated,neomantra/redis,cusspvz/redis,harrisonfeng/redis,NBSW/redis,takeshineshiro/redis,ituncle/redis,adamweixuan/redis-3.0-annotated,neomantra/redis,ReadCode/redis-3.0-annotated,YuraLukashik/redis,nnog/redis,alenslan/redis,msn217/redis-3.0-annotated,jasonkying/redis,mengyou0304/redis,YuanZhewei/redis,allengaller/redis,Soledad89/redis,citusdata/redis,modulexcite/redis,shshlzh/redis-3.0-annotated,0x55/redis-3.0-annotated,sunlianqiang/redis-3.0-annotated,brg-liuwei/redis,Aaron1992/redis,OmarQunsul/graph-redis,harrisonfeng/redis,supasate/redis,190235047/redis,PradheepShrinivasan/redis,xuzhezhaozhao/redis_reading,LongXQ/redis,magastzheng/redis-3.0-annotated,nnog/redis,CodeJuan/redis,hedisdb/hedis,janekmi/redis,kaushik94/redis,gechong/redis-3.0-annotated,jermnelson/redis,alenslan/redis,gilala/bjredis,pcarrier/redis,wuyu201321060203/redis-3.0-annotated,mpalmer/redis,HunanTV/redis,vincent-vivian-liu/redis,kensou97/redis,badboy/redis,holstvoogd/redis,SummonY/redis,cnbin/redis,zhaobo1023/redis-3.0-annotated,simplestbest/redis,simplestbest/redis,pmem/redis,ncopa/redis,charsyam/redis,LongXQ/redis,jacklee0810/redis-3.0-annotated,mingyaaaa/redis,OmarQunsul/graph-redis,msn217/redis-3.0-annotated,davidradunz/redis,magastzheng/redis-3.0-annotated,rogerlz/redis,louisliangjun/redis,YuanZhewei/redis,tjschuck/redis,takeshineshiro/redis,jasonkying/redis,guker/redis,moonbingbing/redis-3.0-annotated,Aliceljm1/redis-3.0-annotated,tellapart/redis,zhoudayang/redis,HunanTV/redis,iandyh/redis,fengshao0907/redis,thomasdarimont/redis,NBSW/redis,louisliangjun/redis,sunlianqiang/redis-3.0-annotated,ouyangkongtong/redis,buobao/redis-3.0-annotated,oranagra/redis,seandsky/redis,tzq668766/redis-3.0-annotated,aim-for-better/redis,HouKangkang/redis-3.0-annotated,ton31337/redis,jackyan/redis,mingyaaaa/redis,kaushik94/redis,ytjiang/redis,Hailei/redis,seppo0010/redis,gaoxianglong/redis,ytjiang/redis,Aaron1992/redis,gilala/hredis,ouyangkongtong/redis,huyuezheng/redis,Aaron1992/redis,itamarhaber/redis,programmecat/redis,Markgorden/redis,july2993/redis,colstrom/redis,dayuoba/redis,SyntaxStacks/redis,CodeJuan/redis,duanx/redis,wujf/redis,ton31337/redis,roth1002/redis,wangyikai/redis,h0x91b/redis,twskipper/redis,mcanthony/redis,nuxeh/redis,zhcy/redis,rouzier/redis,neomantra/redis,takeshineshiro/redis,darksideofthemoo/redis-histogram,rogerlz/redis,ksarch-saas/redis,tanghaodong25/redis,4396/redis,magastzheng/redis-3.0-annotated,mgk/redis,badboy/redis,ctripcorp/redis,pcarrier/redis,soloestoy/redis,JoeWoo/redis,shining-yang/redis,whille/redis-3.0-annotated,antirez/redis,HunanTV/redis,pkdevbox/redis,PKRoma/redis,h0x91b/redis,ipmobiletech/redis,ton31337/redis,himoca/redis,jingjidejuren/redis,jermnelson/redis,SyntaxStacks/redis,SummonY/redis,clamoriniere1A/redis,riyan8250/redis,taoguan/redis,arijitvt/redis,shining-yang/redis,universsky/redis,roth1002/redis,ytjiang/redis,SummonY/redis,4396/redis,ofirluzon/redis,shreesundara/redis,ketor/redis,gongice/redis-3.0-annotated,jingjidejuren/redis,hedisdb/hedis,allengaller/redis,yybirdcf/learn-redis,idning/redis,spinlock/redis,ctripcorp/redis,timothyohare/3rdPartySrc-redis,mgk/redis,itugs/redis,h0x91b/redis,j0hnma/szredis,july2993/redis,miaoyc1989/redis-3.0-annotated,wangyikai/redis,fankeke/redis-3.0-annotated,tzq668766/redis-3.0-annotated,taoguan/redis,onlymellb/redis-3.0-annotated,a-pavlov/redis,jingjidejuren/redis,MSOpenTech/redis,MSOpenTech/redis,AALEKH/redis,jbochi/parallel_redis,clamoriniere1A/redis,dongqifan2/redis-3.0-annotated,dreamquster/redis,AplayER/redis,ofirluzon/redis,programmecat/redis,ofirluzon/redis,mumingv/redis,francischan714/redis,cusspvz/redis,devaos/redis,kmiku7/redis,brg-liuwei/redis,hgl888/redis,MSOpenTech/redis,shshlzh/redis-3.0-annotated,xuzhezhaozhao/redis_reading,neomantra/redis,flashbuckets/redis,guker/redis,mgk/redis,hawkchch/redis,gaoxianglong/redis,yuzhangjob/redis-3.0-annotated-unstable,GrimDerp/redis,Aliceljm1/redis-3.0-annotated,ketor/redis,dongqifan2/redis-3.0-annotated,Sciumo/redis,arijitvt/redis,zczhuohuo/redis,GitHubMota/redis,RepmujNetsik/redis,miaoyc1989/redis-3.0-annotated,pietern/redis,xuzhezhaozhao/redis_reading,unasm/redis-3.0-annotated,louisliangjun/redis,mingyaaaa/redis,Soledad89/redis,Sciumo/redis,flashbuckets/redis,mattsta/redis,itamarhaber/redis,xlzhan/redis,gilala/hredis,izhoujie/redis,yuzhangjob/redis-3.0-annotated-unstable,ituncle/redis,huangz1990/experiment-redis,tanghaodong25/redis,ttuna/msot-redis,citusdata/redis,nuxeh/redis,a-pavlov/redis,kaushik94/redis,adamweixuan/redis-3.0-annotated,twskipper/redis,j0hnma/szredis,hornen/redis,190235047/redis,narma/redis,blackmady/redis,z-fork/redis,yuhc/redis-benchmark-enhanced,ton31337/redis,harrisonfeng/redis,Markgorden/redis,cloudrain21/redis,francischan714/redis,j0hnma/hszredis,davidradunz/redis,jackyan/redis,hornen/redis,cusspvz/redis,honestme/redis,xuguruogu/redis,xuguruogu/redis,darksideofthemoo/redis-histogram,alenslan/redis,flashbuckets/redis,atreeyang/redis,jackyan/redis,oranagra/redis,xuguruogu/redis,mverrilli/redis,rogerchina/redis,YuraLukashik/redis,AALEKH/redis,ctripcorp/redis,fengshao0907/redis,gilala/bjredis,arijitvt/redis,shining-yang/redis,wuyu201321060203/redis-3.0-annotated,netroby/redis,vincent-vivian-liu/redis,weizijun/redis,shreesundara/redis,kmiku7/redis,slfs007/mk-redis,StevenTsai/redis,holstvoogd/redis,sunheehnus/redis,tellapart/redis,splitice/redis,whille/redis-3.0-annotated,darksideofthemoo/redis-histogram,mumingv/redis,MasahikoSawada/redis,soloestoy/redis,duanx/redis,pietern/redis,twskipper/redis,allengaller/redis,GitHubMota/redis,timothyohare/3rdPartySrc-redis,RepmujNetsik/redis,taoguan/redis,GrimDerp/redis,seppo0010/redis,ttuna/msot-redis,aim-for-better/redis,blackmady/redis,shreesundara/redis,xuguruogu/redis,wenxueliu/redis_comment,ksarch-saas/redis,antirez/redis,dayuoba/redis,gilala/hbjredis,xuzhezhaozhao/redis_reading,honestme/redis,z-fork/redis,shshlzh/redis-3.0-annotated,CodeJuan/redis,blackmady/redis,Aliceljm1/redis,gilala/redis,HunanTV/redis,janekmi/redis,ttuna/msot-redis,itugs/redis,rogerchina/redis,pedigree/redis,zhiliaoniu/redis,Aliceljm1/redis-3.0-annotated,msn217/redis-3.0-annotated,arijitvt/redis,MSOpenTech/redis,zhcy/redis,ramonsnir/redis,hawkchch/redis,ipmobiletech/redis,zhaobo1023/redis-3.0-annotated,pedigree/redis,twskipper/redis,onlymellb/redis-3.0-annotated,ncopa/redis,Cisphyx/redis-websockets,cloudrain21/redis,mengzhejin/RedisStudy,4396/redis,zhoudayang/redis,gilala/hredis,tjschuck/redis,programmecat/redis,iandyh/redis,itugs/redis,idning/redis,ReadCode/redis-3.0-annotated,xlzhan/redis,AALEKH/redis,zhaobo1023/redis-3.0-annotated,seppo0010/rlite-server,Aaron1992/redis,josiahcarlson/redis,ipmobiletech/redis,rrsean/redis-3.0-annotated,ErikDubbelboer/redis,elkingtonmcb/redis,abhiklodh/redis,yybirdcf/learn-redis,mumingv/redis-3.0-annotated,hawkchch/redis,janekmi/redis,nilyang/redis-tdd-annotation,xujunhai1991/redis,mengyou0304/redis,j0hnma/szredis,spinlock/redis,rouzier/redis,z-fork/redis,timothyohare/3rdPartySrc-redis,universsky/redis,0x20h/redis,splitice/redis,brg-liuwei/redis,itamarhaber/redis,mengyou0304/redis,maodeyi/redis_lua,modulexcite/redis,YuraLukashik/redis,brg-liuwei/redis,hgl888/redis,mattsta/redis,jbochi/redis,antirez/redis,gilala/hbjredis,tanghaodong25/redis,PKRoma/redis,rrsean/redis-3.0-annotated,holstvoogd/redis,supasate/redis,pietern/redis,jbochi/parallel_redis,wangyikai/redis,4396/redis,zguangyu/redis,pmem/redis,zy416548283/redis-3.0-annotated,soloestoy/redis,h0x91b/redis,buobao/redis-3.0-annotated,rogerlz/redis,yossigo/redis,thomasdarimont/redis,PradheepShrinivasan/redis,wprice/redis,saisai/redis,soveran/redis,pietern/redis,josiahcarlson/redis,tellapart/redis,YongMan/redis,nilyang/redis-tdd-annotation,zy416548283/redis-3.0-annotated,mumingv/redis,holstvoogd/redis,wuyu201321060203/redis-3.0-annotated,pedigree/redis,Sciumo/redis,SyntaxStacks/redis,elkingtonmcb/redis,gongice/redis-3.0-annotated,antirez/redis,WorkingOfTimtohyZhang/redis-3.0-annotated,0x55/redis-3.0-annotated,pkdevbox/redis,valdsJohn/redis,guker/redis,duanx/redis,OmarQunsul/graph-redis,Cisphyx/redis-websockets,hornen/redis,linfangrong/redis,valdsJohn/redis,thomasdarimont/redis,shreesundara/redis,shining-yang/redis,ksarch-saas/redis,huangz1990/redis-3.0-annotated,csuhawk/redis,GrimDerp/redis,mumingv/redis,izhoujie/redis,itamarhaber/redis,AplayER/redis,wbailey5/redis,z-fork/redis,zhcy/redis,Hailei/redis,zhoudayang/redis,GrimDerp/redis,fengshao0907/redis-3.0-annotated,seppo0010/redis,MOON-CLJ/redis,wujf/redis,sunlianqiang/redis-3.0-annotated,xlzhan/redis,gongice/redis-3.0-annotated,Cisphyx/redis-websockets,spearhead-ea/redis,mengzhejin/RedisStudy,rogerlz/redis,GitHubMota/redis,sunheehnus/redis,csuhawk/redis,ncopa/redis,zczhuohuo/redis,huangz1990/redis-3.0-annotated,huyuezheng/redis,jermnelson/redis,weizijun/redis,GitHubMota/redis,PradheepShrinivasan/redis,healerkx/redis,mumingv/redis-3.0-annotated,vincent-vivian-liu/redis,pkdevbox/redis,hornen/redis,pmem/redis,ctripcorp/redis,charsyam/redis