[MacPorts] #63402: ccache @ 4.4_0 error: static_assert failed "unique_ptr constructed with null function pointer deleter"

[MacPorts]

#63402: ccache @ 4.4_0 error: static_assert failed "unique_ptr constructed with
null function pointer deleter"
---------------------------------+------------------------
 Reporter:  thetrial             |      Owner:  ryandesign
     Type:  defect               |     Status:  assigned
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.7.1
 Keywords:  elcapitan legacy-os  |       Port:  ccache
---------------------------------+------------------------
 {{{
 /Library/Developer/CommandLineTools/usr/bin/../include/c++/v1/memory:2579:13:
 error: static_assert failed "unique_ptr constructed with null function
 pointer deleter"
 :info:build             static_assert(!is_pointer<deleter_type>::value,
 :info:build             ^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 :info:build
 /Library/Developer/CommandLineTools/usr/bin/../include/c++/v1/type_traits:2393:38:
 note: in instantiation of member function
 'std::__1::unique_ptr<redisReply, void (*)(void *)>::unique_ptr' requested
 here
 :info:build     : public integral_constant<bool, __is_constructible(_Tp,
 _Args...)>
 :info:build                                      ^
 :info:build
 /Library/Developer/CommandLineTools/usr/bin/../include/c++/v1/type_traits:2697:14:
 note: in instantiation of template class
 'std::__1::is_constructible<std::__1::unique_ptr<redisReply, void (*)(void
 *)>>' requested here
 :info:build     : public is_constructible<_Tp>
 :info:build              ^
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_ccache/ccache/work/ccache-4.4/src/third_party/nonstd/expected.hpp:1351:14:
 note: in instantiation of template class
 'std::__1::is_default_constructible<std::__1::unique_ptr<redisReply, void
 (*)(void *)> >' requested here
 :info:build         std::is_default_constructible<T>::value
 :info:build              ^
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_ccache/ccache/work/ccache-4.4/src/storage/secondary/RedisStorage.cpp:158:22:
 note: in instantiation of template class
 'nonstd::expected_lite::expected<std::__1::unique_ptr<redisReply, void
 (*)(void *)>, storage::secondary::SecondaryStorage::Backend::Failure>'
 requested here
 :info:build   const auto reply = redis_command("GET %s",
 key_string.c_str());
 :info:build                      ^
 :info:build 1 error generated.
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/63402>
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