[MacPorts] #69496: lpython needs filesystem on < 10.15 when Clang is used

[MacPorts]

#69496: lpython needs filesystem on < 10.15 when Clang is used
-------------------------------------------------+-------------------------
 Reporter:  barracuda156                         |      Owner:  (none)
     Type:  defect                               |     Status:  new
 Priority:  Normal                               |  Milestone:
Component:  ports                                |    Version:  2.9.1
 Keywords:  mojave, highsierra, sierra,          |       Port:  lpython
  elcapitan, yosemite, mavericks, mountainlion,  |
  lion, snowleopard, x86_64, i386                |
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 {{{
 [  9%] Building CXX object
 src/libasr/CMakeFiles/asr.dir/codegen/asr_to_julia.cpp.o
 cd
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_lpython/lpython/work/build/src/libasr
 && /usr/bin/clang++ -DHAVE_WHEREAMI=1 -DHAVE_ZLIB=1
 -DLCOMPILERS_FAST_ALLOC=1
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_lpython/lpython/work/build/src/libasr/..
 -I/opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_lpython/lpython/work/lpython-0.20.0/src/libasr/..
 -pipe -Os -DNDEBUG -I/opt/local/include -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk -Wall
 -Wextra -O3 -march=native -funroll-loops -DNDEBUG -arch x86_64 -isysroot
 /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk -mmacosx-version-
 min=10.14 -fPIC -std=gnu++17 -MD -MT
 src/libasr/CMakeFiles/asr.dir/codegen/asr_to_julia.cpp.o -MF
 CMakeFiles/asr.dir/codegen/asr_to_julia.cpp.o.d -o
 CMakeFiles/asr.dir/codegen/asr_to_julia.cpp.o -c
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_lpython/lpython/work/lpython-0.20.0/src/libasr/codegen/asr_to_julia.cpp
 In file included from
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_lpython/lpython/work/lpython-0.20.0/src/libasr/codegen/asr_to_cpp.cpp:6:
 In file included from
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_lpython/lpython/work/lpython-0.20.0/src/libasr/../libasr/codegen/asr_to_cpp.h:5:
 /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_lpython/lpython/work/lpython-0.20.0/src/libasr/../libasr/utils.h:6:10:
 fatal error: 'filesystem' file not found
 #include <filesystem>
          ^~~~~~~~~~~~
 1 error generated.
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/69496>
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