pgsql: initdb: Select working dynamic shared memory implementation.

initdb: Select working dynamic shared memory implementation.

If POSIX shared memory is supported and works, we prefer it.
Otherwise, we prefer System V, except on Windows, where we use
the implementation specific to that platform.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/7195fb3cec9a7cf60f203edfa224ec632f16a101

Modified Files
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src/bin/initdb/initdb.c |   60 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)