volk-gnss-sdr-devel: Build error

[mf2k (Frank Schima)]

I'm seeing the following build error in Sierra with Xcode 9.1.

:info:build In file included from /opt/local/var/macports/build/_opt_local_var_macports_sources_github.com_macports_macports-ports_science_volk-gnss-sdr/volk-gnss-sdr-devel/work/gnss-sdr-32e4d227af032365cfd7f9291d9f2c2fca57d99d/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/qa_utils.h:24:
:info:build In file included from 
:info:build ^
:info:build /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/iostream:38:
:info:build In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/ios:216:
:info:build In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__locale:18:
:info:build In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/mutex:189:
:info:build In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__mutex_base:17:
:info:build /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__threading_support:156:1: error: unknown type name 'mach_port_t'
:info:build mach_port_t __libcpp_thread_get_port();
:info:build ^
:info:build /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__threading_support:300:1: error: unknown type name 'mach_port_t'
:info:build mach_port_t __libcpp_thread_get_port() {
:info:build ^
:info:build /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__threading_support:301:12: error: use of undeclared identifier 'pthread_mach_thread_np'
:info:build     return pthread_mach_thread_np(pthread_self());
:info:build            ^
:info:build /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__threading_support:301:12: error: use of undeclared identifier 'pthread_mach_thread_np'
:info:build     return pthread_mach_thread_np(pthread_self());
:info:build            ^
:info:build 3 errors generated.

[michaelld (Michael Dickens)]

OK yeah I see this too. It comes via #include <iostream> ... nothing more, nothing less; should work IMHO. I think this an ​SEP ... like maybe Apple's issue.

[mf2k (Frank Schima)]

This builds for me now. Maybe Xcode 9.2 fixed the bug.

[michaelld (Michael Dickens)]

Very good; guessing it was an Apple bug, so this result would make sense. Thanks for following up.