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Date: Mon, 25 Mar 2024 23:46:09 +0100
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Subject: Re: Regression tests fail with musl libc because libpq.so can't be
 loaded
To: Bruce Momjian <bruce@momjian.us>, walther@technowledgy.de
Cc: Thomas Munro <thomas.munro@gmail.com>,
 Christophe Pettus <xof@thebuild.com>, Andrew Dunstan <andrew@dunslane.net>,
 PostgreSQL Bugs <pgsql-bugs@lists.postgresql.org>,
 Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>
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From: Peter Eisentraut <peter@eisentraut.org>
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On 22.03.24 20:44, Bruce Momjian wrote:
> +				 * linking (dlopen) might fail.  Here, we truncate the update
> +				 * of the process title when either of two important dynamic
> +				 * linking environment variables are set.  Musl does not
> +				 * define any compiler symbols, so we have to do this for
> +				 * any Linux libc we don't know is safe.
> +				 */
> +				if (strstr(environ[i], "LD_LIBRARY_PATH=") == environ[i] ||
> +					strstr(environ[i], "LD_PRELOAD=") == environ[i])

What determines which variables require this treatment?