Thank you for this reply. Sorry I did not find this before I asked on the mailinglist.

Best regards
Daniel

Anthony Williams wrote:
Daniel Önnerby <daniel@onnerby.se> writes:

  
After upgrading my app from boost 1.34.1 to 1.35 I found that I am 
unable to pack my exe-files using upx.exe.
The error message upx gives is:
CantPackException: TLS callbacks are not supported

I'm guessing this has anything to do with boost::threads that I'm using?
Any way to get this fixed? I mean, it worked using boost 1.34.1?
    

This is trac issue #1848. Boost threads uses TLS callbacks to ensure data is
correctly cleaned up. This is used to a greater extent in 1.35 than in 1.34.1,
and on more compilers, hence the problem with UPX.

Anthony