Extend MSVC __cplusplus workaround
commitccee1d7afd623aa95882aed1bd59a143fc6343ac
authorOlly Betts <olly@survex.com>
Thu, 7 Jul 2022 01:01:01 +0000 (7 13:01 +1200)
committerOlly Betts <olly@survex.com>
Thu, 7 Jul 2022 01:01:35 +0000 (7 13:01 +1200)
tree2718b55345ad57fa4333b9fdda705eb116ef7ef6
parent1346cc02ac1a17a9294a78993a1ede1be3b2fdbd
Extend MSVC __cplusplus workaround

Use it in all the modules, not just xapian-core.

(cherry picked from commit d25365df27300b191baa6217a8c9268a46d6cd6a)
xapian-applications/omega/m4/ax_cxx_compile_stdcxx.m4
xapian-bindings/m4/ax_cxx_compile_stdcxx.m4
xapian-letor/m4/ax_cxx_compile_stdcxx.m4