Packages with the libunwind use flag

sys-libs / libcxx : New implementation of the C++ standard library, targeting C++11

  • Use libunwind instead of libgcc_s for stack unwinding, thus avoiding dependence on gcc.

sys-libs / libcxxabi : Low level support for a standard C++ library

  • Use libunwind instead of libgcc_s for stack unwinding, thus avoiding dependency on gcc