[MacPorts] #64934: py-re2: failing to build for macOS 10.8; broken since 2019 or earlier

[MacPorts]

#64934: py-re2: failing to build for macOS 10.8; broken since 2019 or earlier
---------------------+--------------------
 Reporter:  mascguy  |      Owner:  (none)
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.7.2
 Keywords:           |       Port:  py-re2
---------------------+--------------------
 This port is failing to build for 10.8, across all Python 3.x releases. In
 every case, the issues appears to be the following:

 {{{
 building '_re2' extension
 creating build/temp.macosx-10.8-x86_64-3.10
 /opt/local/var/macports/build
 /_opt_bblocal_var_buildworker_ports_build_ports_python_py-
 re2/py310-re2/work/compwrap/cc/usr/bin/clang++ -Wno-unused-result -Wsign-
 compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3
 -Wall -pipe -Os -arch x86_64 -isysroot/
 -I/opt/local/Library/Frameworks/Python.framework/Versions/3.10/include/python3.10
 -c _re2.cc -o build/temp.macosx-10.8-x86_64-3.10/_re2.o -std=c++11
 In file included from _re2.cc:37:
 /opt/local/include/re2/re2.h:209:10: fatal error: 'mutex' file not found
 #include <mutex>
          ^
 1 error generated.
 }}}

 CCing those that have committed changes to this port, from 2019 onward.

-- 
Ticket URL: <https://trac.macports.org/ticket/64934>
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