[MacPorts] #57735: Gate: fatal error: 'string_view' file not found

[MacPorts]

#57735: Gate: fatal error: 'string_view' file not found
--------------------+----------------------
 Reporter:  mojca   |      Owner:  mojca
     Type:  defect  |     Status:  assigned
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  gate
--------------------+----------------------
 Gate build on the buildbot is currently failing:
 {{{
 /usr/bin/clang++  -DG4INTY_USE_QT -DG4UI_USE -DG4UI_USE_QT -DG4UI_USE_TCSH
 -DG4VERBOSE -DG4VIS_USE -DG4VIS_USE_OPENGL -DG4VIS_USE_OPENGLQT
 -DG4_STORE_TRAJECTORY -F//System/Library/Frameworks
 -I/opt/local/libexec/root6/include/root -I/opt/local/include/libxml2
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/build
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/arf/include
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/geometry/include
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/physics/include
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/digits_hits/include
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/general/include
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/externals/clhep/include
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/externals
 /itk-mhd
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/externals
 /itk-mhd/itkzlib
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/externals
 /itk-mhd/src
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/build
 /itk-mhd -isystem /opt/local/include/Geant4/Geant4.10.4/Geant4 -isystem
 /opt/local/include -isystem /opt/local/libexec/qt4/include -isystem
 /opt/local/libexec/qt4/include/QtCore -isystem
 /opt/local/libexec/qt4/include/QtGui -isystem
 /opt/local/libexec/qt4/include/QtOpenGL  -pipe -Os -stdlib=libc++ -W -Wall
 -pedantic -Wno-non-virtual-dtor -Wno-long-long -Wwrite-strings -Wpointer-
 arith -Woverloaded-virtual -Wno-variadic-macros -Wshadow -pipe -Qunused-
 arguments -stdlib=libc++ -DG4USE_STD11 -std=c++11 -Wno-shadow -std=c++11
 -arch x86_64 -mmacosx-version-min=10.9   -std=c++11 -o
 CMakeFiles/Gate.dir/source/arf/src/GateARFSD.cc.o -c
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/arf/src/GateARFSD.cc
 In file included from
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/arf/src/GateARFTableMgr.cc:15:
 In file included from
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_science_gate/gate/work/Gate-8.1.p01/source/arf/include/GateARFTable.hh:17:
 In file included from /opt/local/libexec/root6/include/root/TROOT.h:28:
 In file included from
 /opt/local/libexec/root6/include/root/TDirectory.h:25:
 In file included from /opt/local/libexec/root6/include/root/TNamed.h:26:
 In file included from /opt/local/libexec/root6/include/root/TString.h:28:
 /opt/local/libexec/root6/include/root/ROOT/RStringView.hxx:19:10: fatal
 error: 'string_view' file not found
 #include <string_view>
          ^
 }}}

 *
 [https://build.macports.org/builders/ports-10.9_x86_64-builder/builds/75207/
 10.9]
 *
 [https://build.macports.org/builders/ports-10.10_x86_64-builder/builds/73388/
 10.10]
 *
 [https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/72882/
 10.11]
 * 10.12
 *
 [https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/43519/
 10.13]
 *
 [https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/17361/
 10.14]

 The builds on older systems are broken because `root6` doesn't compile
 there.

-- 
Ticket URL: <https://trac.macports.org/ticket/57735>
MacPorts <https://www.macports.org/>
Ports system for macOS