[yocto] btrfs-tools Requires libgcc_s.so.1

[robert_joslyn at selinc.com]

I'm building an image using btrfs and I noticed a problem with the 
btrfs-tools recipe in Jethro (using core-image-minimal and a 64-bit 
machine). The recipe builds fine, but I get the following error when 
attempting certain operations using btrfs, such as trying to start a 
scrub:

root at test:~# btrfs scrub start /
scrub started on /, fsid 79dc4fed-a0f7-43e2-b9e7-056b1a2c4cdd (pid=333)
libgcc_s.so.1 must be installed for pthread_cancel to work

I can solve this by adding libgcc to RDEPENDS for btrfs-tools. I'm not 
very familiar with libgcc, but is this just an oversight, or is there some 
reason it was not included? Should it be statically linked instead?

Thanks,

--
Robert Joslyn
Software Engineer, R&D - Automation
Schweitzer Engineering Laboratories
509-332-1890 ext. 3214