Build breaks on FreeBSD

[yurivict]

This line and another one like this causes this failure:

ld: error: undefined symbol: environ
>>> referenced by hpx_init.cpp
>>>               hpx_init.cpp.o:(hpx::detail::init_impl(hpx::function<int (hpx::program_options::variables_map&), false> const&, int, char**, hpx::init_params const&, char const*)) in archive lib/libhpx_init_runtime.a
>>> referenced by hpx_init.cpp
>>>               hpx_init.cpp.o:(hpx::detail::start_impl(hpx::function<int (hpx::program_options::variables_map&), false> const&, int, char**, hpx::init_params const&, char const*)) in archive lib/libhpx_init_runtime.a

Specifications

• HPX Version: 1.9.1
• Platform (compiler, OS): clang-15, FreeBSD 13.2

[hkaiser]

Thanks, this finally explains the issues you were reporting. I think this is an easy fix.