do coverage test without install lcov

From: "wangsh(dot)fnst(at)fujitsu(dot)com" <wangsh(dot)fnst(at)fujitsu(dot)com>
To: "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: do coverage test without install lcov
Date: 2021-02-22 08:41:03
Message-ID: OSBPR01MB4214B41EF97635AD5AF97EC7F2819@OSBPR01MB4214.jpnprd01.prod.outlook.com
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Hi, hackers

In [1] wrote:

> If you don't have lcov or prefer text output over an HTML report, you can also run
> make coverage

[1] https://www.postgresql.org/docs/13/regress-coverage.html

It seems the lcov is not a necessary program to run a coverage test.

But when I configure with --enable-coverage, then error was reported:
checking for lcov... no
configure: error: lcov not found

Because it's a little difficult to install lcov in offline environment and we can get a
text format result by running make coverage. How about change this action, when
there is no lcov in system, only a warning message is reported.

The patch attached. Thought ?

Best regards
Shenhao Wang

Attachment Content-Type Size
0001-make-enable-coverage-success-without-lcov.patch application/octet-stream 2.6 KB

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