On 06/19/12 08:42, Larry Evans wrote:
On 05/22/12 15:34, Steven Watanabe wrote: [snip]
The library is available in the Boost Sandbox at http://svn.boost.org/svn/boost/sandbox/type_erasure/
The type_erasure version I have is:
~/prog_dev/boost-svn/ro/boost_1_49_0/sandbox/ro/type_erasure/type_erasure $ svn update At revision 79008.
However, compiling multi.cpp with gcc4.8 (2012-04-22) gives a uninitialized constexpr error.
compilation; default-directory: "~/prog_dev/boost-svn/ro/boost_1_49_0/sandbox/ro/type_erasure/type_erasure/libs/type_erasure/example/" -*- Compilation started at Tue Jun 19 08:36:12
bjam multi sh: icpc: not found ...patience... ...found 550 targets... ...updating 4 targets... common.mkdir bin/multi.test/gcc-4.8v common.mkdir bin/multi.test/gcc-4.8v/debug gcc.compile.c++ bin/multi.test/gcc-4.8v/debug/multi.o In file included from ../../../boost/type_erasure/binding.hpp:28:0, from ../../../boost/type_erasure/any.hpp:39, from multi.cpp:11: ../../../boost/type_erasure/detail/vtable.hpp:155:28: error: constexpr static data member 'value' must have an initializer static constexpr Table value; ^ [snip] Changing the vtable.hpp code to:
template<class Table, class... T> struct vtable_init { static constexpr Table value=Table(T::value...); }; from: template<class Table, class... T> struct vtable_init { static constexpr Table value; }; template<class Table, class... T> constexpr Table vtable_init<Table, T...>::value(T::value...); may be a solution. -regards, Larry