install a newer version of lcov 1.13, it works fine with WARNING just same as yours.
much appreciated thanks walker ------------------ Original ------------------ From: "Alvaro Herrera" <alvhe...@alvh.no-ip.org>; Date: Thu, Mar 4, 2021 10:20 PM To: "walker"<faila...@qq.com>; Cc: "pgsql-hackers"<pgsql-hackers@lists.postgresql.org>; Subject: Re: make coverage-html would fail within build directory separate from source tree On 2021-Mar-04, walker wrote: > The same, the build directory is outside the source tree. > > > the version of lcov is 1.10 That seems *really* ancient. Please try with a fresher version. -- Álvaro Herrera 39°49'30"S 73°17'W "How amazing is that? I call it a night and come back to find that a bug has been identified and patched while I sleep." (Robert Davidson) http://archives.postgresql.org/pgsql-sql/2006-03/msg00378.php