Thread (3 messages) 3 messages, 2 authors, 2012-06-29

Re: Error compiling btrfs-tools from git (undefined reference to `pthread_create')

From: Lenz Grimmer <hidden>
Date: 2012-06-29 08:46:58

Hi,

thank you for your reply.

On 06/27/2012 02:20 PM, cwillu wrote:
On Wed, Jun 27, 2012 at 6:11 AM, Lenz Grimmer [off-list ref] wrote:
quoted
On Ubuntu 11.10 "Oneiric" with gcc 4.6.1, compiling the btrfs tools from git
fails for me with the following error:
Which git repo?
git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git
builds on ubuntu just fine (just checked on a fresh checkout), and
likewise the integration repo (but note that the integration repo's
master branch is not useful to build; you need to check out one of the
actual integration branches as described on the wiki).
That's likely the issue - the following commands reproduce the compile error
for me:

git clone http://git.darksatanic.net/repo/btrfs-progs-unstable.git btrfs-progs
cd btrfs-progs
make
[...]
gcc -lpthread -g -Werror -Os -o btrfs btrfs.o btrfs_cmds.o scrub.o \
		ctree.o disk-io.o radix-tree.o extent-tree.o print-tree.o root-tree.o
dir-item.o file-item.o inode-item.o inode-map.o crc32c.o rbtree.o
extent-cache.o extent_io.o volumes.o utils.o btrfs-list.o btrfslabel.o  -luuid
scrub.o: In function `scrub_start':
/space/tmp/btrfs-progs/scrub.c:1342: undefined reference to `pthread_create'
/space/tmp/btrfs-progs/scrub.c:1360: undefined reference to `pthread_create'
/space/tmp/btrfs-progs/scrub.c:1374: undefined reference to `pthread_join'
/space/tmp/btrfs-progs/scrub.c:1430: undefined reference to `pthread_cancel'
/space/tmp/btrfs-progs/scrub.c:1432: undefined reference to `pthread_join'
collect2: ld returned 1 exit status


However, using the integration-20120605 branch compiles fine. Thanks and sorry
for the noise!

Bye,
	LenZ
-- 
  Lenz Grimmer [off-list ref] - http://www.lenzg.net/


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