22386263 GCC 4.9.3 in Solaris 11 needs more XPG
22386281 GCC 4.9.3 in Solaris 11 can't use libc's __cxa_atexit
21637184 integrate GCC 4.9.3 in Solaris
21637193 enable CilkPlus support for SPARC in GCC 4.9.3
22379838 python-27 needs optional dependency on python-27/
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