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#84 Build failure on OS X 10.5.8

Reported anonymously 2011-10-09

Build fails on Mac OS X 10.5.8 / intel:

./INSTALL ...

cd /Users/jdd/src/plan9/src/cmd; mk all

9l -o o.9p 9p.o Undefined symbols: "_libthread_swapcontext", referenced from: _contextswitch in libthread.a(thread.o) "_libthread_makecontext", referenced from: threadcreate in libthread.a(thread.o) "_getmcontext", referenced from: threadcreate in libthread.a(thread.o) ld: symbol(s) not found collect2: ld returned 1 exit status mk: 9l -o o.9p ... : exit status=exit(1) mk: for i in ... : exit status=exit(1) sam:plan9 root#

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Comments and changes

1. #1 Anonymous

   written 2011-10-11

   Here's a workaround for this issue. Create a LOCAL.config file like this:

   OBJTYPE=386

   SYSNAME=Darwin

   Then make a one-line change in sys/libthread/sysofiles.sh:

   -*-Darwin-10.[5-6].*)

   +*-Darwin-*)

   `uname -a` on my system is:

   Darwin sam.lenoxway.net 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.41/RELEASE_I386 i386 i386 MacBook2,1 Darwin
2. #2 Russ Cox

   written 2011-10-14

   • Changed status from new to resolved.

   Fixed I hope by

       tag:         tip
       user:        Russ Cox <rsc@swtch.com>
       date:        Fri Oct 14 00:01:12 2011 -0400
       summary:     libthread: fix 10.5.8 build - uname says 9.8.0
   
3. #3 Anonymous

   written 2011-10-19

   Hi, on my 10.8.0 Mac the above assertion is not valid ;-) well, I had to manually apply the patch described in order to make things work.

   Bye! -g
4. #4 ucasano

   written 2011-10-19

   • Changed status from resolved to open.

   Yes, I can confirm it is not fixed...
5. #5 Anonymous

   written 2012-02-15

   Darwin is now at 10.8.0. This patch updates support to 10.8.x.

   #!hg
   # HG changeset patch
   # User Robert Ball <rtb@coraid.com>
   # Date 1329332444 18000
   # Node ID dcc9885f7cc0a903a28f12bc3dbe89c2af80c90a
   # Parent  ba458c22e6ae775b6fb2b7aec06e4d5b67eea032
   support Darwin 10.8.x
   
   diff -r ba458c22e6ae -r dcc9885f7cc0 src/libthread/sysofiles.sh
   --- a/src/libthread/sysofiles.sh	Thu Jan 26 17:33:36 2012 +0100
   +++ b/src/libthread/sysofiles.sh	Wed Feb 15 14:00:44 2012 -0500
   @@ -14,7 +14,7 @@ case "$tag" in
    *-NetBSD-*)
    	echo ${SYSNAME}-${OBJTYPE}-asm.o $SYSNAME.o
    	;;
   -*-Darwin-10.[5-6].* | *-Darwin-[89].*)
   +*-Darwin-10.[5-8].* | *-Darwin-[89].*)
    	echo ${SYSNAME}-${OBJTYPE}-asm.o $SYSNAME-${OBJTYPE}.o pthread.o
    	;;
    *-OpenBSD-*)
   

   Best,

   r

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