Обсуждение: pgsql: Tweak generation of Gen_dummy_probes.pl

Tweak generation of Gen_dummy_probes.pl

Use a static prolog file instead of generating the prolog from the
existing perl script. Also, support generation of the file in a vpath
build.

Discussion: https://postgr.es/m/700620.1620662868@sss.pgh.pa.us

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/0bf62931cae0db1294937eb9190b183494af4cf8

Modified Files
--------------
src/backend/utils/Gen_dummy_probes.pl.prolog | 19 +++++++++++++++++++
src/backend/utils/Makefile                   |  8 ++++----
src/backend/utils/README.Gen_dummy_probes    |  2 ++
3 files changed, 25 insertions(+), 4 deletions(-)