On Jul 15, 2013, at 6:34 PM, Игорь Пашев <pashev.igor at gmail.com> wrote: > 1. Use AC_USE_SYSTEM_EXTENSIONS for autotools > 2. Simulate autotools in include/llvm/Config/config.h.cmake Why should these extensions be enabled for all platforms? Might that not have unintended effects? -- Stephen Checkoway