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</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'>We currently build the LibC++ libraries with an alternative build system, mainly because historically it was not possible to build the library for a cross-compiler. That of course is getting better with the wholesale move over to CMake.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'>At the moment we build the library with ‘-std=c++11’. This seems to produce a library that is valid for linking with programs compiled for C++98 and C++11, and very few people seem to be compiling their code with C++14. We have no had reports of problems.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'>But should I really be building 3 versions of the library, one each for C++98, 11 and 14? Or will a C++14 built library be link compatible for all the earlier dialects?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'> MartinO<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Book Antiqua","serif"'><o:p> </o:p></span></p></div></body></html>