id summary reporter owner description type status milestone component version severity resolution keywords cc 11410 Compile error while trying to include support_extended_variant.hpp ruslan_baratov@… Joel de Guzman "It's not possible to include header 'support_extended_variant.hpp'. Error message: {{{ In file included from /.../include/boost/spirit/include/support_extended_variant.hpp:16: /.../include/boost/spirit/home/support/extended_variant.hpp:33:9: error: C++ requires a type specifier for all declarations BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT( ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ }}} Compiler: clang++, additional flags: -std=c++11, -stdlib=libc++ Boost 1.57 works fine" Bugs closed To Be Determined spirit Boost 1.58.0 Regression fixed