Joe McDonnell 11396d3146 IMPALA-13384: Only install gcovr deps for coverage builds ...

IMPALA-13279 upgraded gcovr to 7.2 and moved it from python 2 to
python 3.8. gcovr has several dependencies that require native
compilation, and this increased the cost of initializing the
Python 3 virtualenv substantially:

Without gcovr: 1m43.279s
With gcovr and deps: 6m35.107s

This moves gcovr to its own requirements file and only installs
gcovr if this is a coverage build (detected from the
.cmake_buid_type file).

Testing:
 - Verified that a coverage build does install gcovr and
   produce a report

Change-Id: I1d0fd6d21273053aaf2acee39fcb83d9093d49a2
Reviewed-on: http://gerrit.cloudera.org:8080/21849
Reviewed-by: Laszlo Gaal <laszlo.gaal@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>

2024-09-27 00:25:41 +00:00

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