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Date:      Thu, 10 Jan 2002 16:31:20 +1100
From:      Rob B <rbyrnes@ozemail.com.au>
To:        questions@freebsd.org
Subject:   /usr/lib/libc_r.so: undefined reference to `_thread_sys_sigreturn'
Message-ID:  <5.1.0.14.2.20020110162950.03f69890@pop.ozemail.com.au>

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I submitted a PR (#31996) back in November about a build of db3 failing on 
Alpha.  The build fails with:

  configure:1084: checking for gcc
  configure:1197: checking whether the C compiler (cc -O -pipe -mcpu=ev56 ) 
works
  configure:1213: cc -o conftest -O -pipe -mcpu=ev56 
-D_THREAD_SAFE   conftest.c -pthread 1>&5
  /usr/lib/libc_r.so: undefined reference to `_thread_sys_sigreturn'
  configure: failed program was:

  #line 1208 "configure"
  #include "confdefs.h"

  main(){return(0);}
  (end of "config.log")
  *** Error code 1

Looking back through the freebsd-alpha archives, it would appear that it is 
a problem that has been fixed in libc.  Is it possible to just build an 
updated libc, rather than rebuilding world?  I would like to stay at 4.4 
rather than upgrading the box to 4.5-RC

/: uname -a
FreeBSD erwin 4.4-STABLE FreeBSD 4.4-STABLE #2: Thu Nov 29 11:25:24 EST 2001
  root@erwin:/usr/src/sys/compile/ERWIN  alpha

Cheers,
Rob


--
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