id summary reporter owner description type status milestone component version severity resolution keywords cc 2715 Boost thread fails to compile on Solaris merijn.vogel@… Vladimir Prus " While building, boost forgets to set -pthreads as compile option, causing it not to compile properly. It does set -pthread, but that's not the flag my gcc expects. This solution works: http://www.nabble.com/Building-boost-on-Solaris-10-SPARC-with-gcc:-threading-problem-td21472986.html Here are the versions I detect: uname -a SunOS solo 5.9 Generic_122300-05 sun4u sparc SUNW,Sun-Fire-V210 solo:~(502) gcc --version sparc-sun-solaris2.8-gcc (GCC) 3.2.2 Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. I was trying to build boost 1.37." Bugs closed Boost 1.38.0 build Boost 1.37.0 Problem fixed