id summary reporter owner description type status milestone component version severity resolution keywords cc 10479 Typo in predef/other/endian.h - BOOST_ARCH_PARISK should be BOOST_ARCH_PARISC Graham Hanson René Rivera "Header predef/architecture/parisc.h defines the symbol BOOST_ARCH_PARISC, however header predef/other/endian.h uses BOOST_ARCH_PARISK. The result is that the endianism of the host is left undefined, this causes compile time assertions (in boost_math at least), causing various other boost libraries to fail to build. I found that correcting the spelling allowed boost_regex and boots_date_time (the bits I need at the moment) to build successfully. Gcc 4.6.0 on HP-UX PARISC " Bugs closed To Be Determined predef USE GITHUB Boost 1.55.0 Problem fixed