[MacPorts] #58930: gcc 8.3.0_4 with _XOPEN_SOURCE=500 breaks with #include <complex>

[MacPorts]

#58930: gcc 8.3.0_4 with _XOPEN_SOURCE=500 breaks with #include <complex>
----------------------+--------------------
 Reporter:  bernstei  |      Owner:  (none)
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:
----------------------+--------------------
 Compiling a trivial file, that just contains '#include <complex>' with the
 following command line fails as shown:

 {{{
 > g++ -c -std=c++0x   -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED=1
 t.cpp
 In file included from /opt/local/include/gcc8/c++/system_error:39,
                  from /opt/local/include/gcc8/c++/bits/ios_base.h:46,
                  from /opt/local/include/gcc8/c++/ios:42,
                  from /opt/local/include/gcc8/c++/istream:38,
                  from /opt/local/include/gcc8/c++/sstream:38,
                  from /opt/local/include/gcc8/c++/complex:45,
                  from t.cpp:1:
 /opt/local/include/gcc8/c++/x86_64-apple-
 darwin18/bits/error_constants.h:135:24: error: 'EOWNERDEAD' was not
 declared in this scope
        owner_dead =     EOWNERDEAD,
                         ^~~~~~~~~~
 /opt/local/include/gcc8/c++/x86_64-apple-
 darwin18/bits/error_constants.h:151:34: error: 'ENOTRECOVERABLE' was not
 declared in this scope
        state_not_recoverable =    ENOTRECOVERABLE,
                                   ^~~~~~~~~~~~~~~
 > cat t.cpp
 #include <complex>
 > g++ -v
 Using built-in specs.
 COLLECT_GCC=g++
 COLLECT_LTO_WRAPPER=/opt/local/libexec/gcc/x86_64-apple-darwin18/8.3.0
 /lto-wrapper
 Target: x86_64-apple-darwin18
 Configured with:
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_gcc8/gcc8/work/gcc-8.3.0/configure
 --prefix=/opt/local --build=x86_64-apple-darwin18 --enable-
 languages=c,c++,objc,obj-c++,lto,fortran --libdir=/opt/local/lib/gcc8
 --includedir=/opt/local/include/gcc8 --infodir=/opt/local/share/info
 --mandir=/opt/local/share/man --datarootdir=/opt/local/share/gcc-8 --with-
 local-prefix=/opt/local --with-system-zlib --disable-nls --program-
 suffix=-mp-8 --with-gxx-include-dir=/opt/local/include/gcc8/c++/ --with-
 gmp=/opt/local --with-mpfr=/opt/local --with-mpc=/opt/local --with-
 isl=/opt/local --enable-stage1-checking --disable-multilib --enable-lto
 --enable-libstdcxx-time --with-build-config=bootstrap-debug --with-
 as=/opt/local/bin/as --with-ld=/opt/local/bin/ld --with-
 ar=/opt/local/bin/ar --with-bugurl=https://trac.macports.org/newticket
 --disable-tls --with-pkgversion='MacPorts gcc8 8.3.0_4' --with-
 sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk
 Thread model: posix
 gcc version 8.3.0 (MacPorts gcc8 8.3.0_4)

 }}}

 This appears to happen to other people sometimes (e.g. https://github.com
 /arbor-sim/arbor/issues/562), but I didn't see any evidence of a related
 ticket on macports.

-- 
Ticket URL: <https://trac.macports.org/ticket/58930>
MacPorts <https://www.macports.org/>
Ports system for macOS