Am 17.11.25 um 15:24 schrieb Jeremy Harris via Exim-users:
On 2025/11/17 1:38 PM, Tim Jackson via Exim-users wrote:
Is it possible that this originates in the Exim upstream itself? I'm
not very familiar with the whole Exim build system, and haven't tried
building 4.99 myself but at a casual glance, module loading and
drtables.c has had a revamp and seems to now try to dlopen() a file
named "<modname>_lookup.so" for lookups (e.g. mysql_lookup.so), which
is new, but lookups/Makefile still
refers to (for example) mysql.so. Maybe I'm misunderstanding though.
Nope. The project build sequence results in "<modname>_lookup.so"
*in a different directory*
(along with .so files for any routers, transports, authenticators and
other misc components
which the build config has been set to build as loadbable modules.
The file <modname>.so is a precursor, and they should not have been
trying to use it.
I think this is a mistake in the Fedora package build. However, it is
a step not well
detailed in Exim's documentation so I've added a bit of descriptions
in EDITME file (which
becomes a makefile).
in case anyone else wants to auto test for such an issue, a have made a
minimal config for a testcase:
You need a working database, but you don't need a sql setup in that db except a
valid login.
You DO NOT need a running exim to have that testcase working.
exim.conf:
#
# minimum test config for db access
#
primary_hostname = testfarm.yourproject.edu
keep_environment = PATH
message_logs = false
hide mysql_servers = localhost/<DBNANE>/<DBUSER>/<DBPASSWORD>
/exim.conf
a working example:
# exim -be '${lookup mysql {SELECT 1}}'
1
a none working example:
# exim -be '${lookup mysql {SELECT * from mail_config LIMIT 1}}'
Failed: unknown lookup type "mysql"
best regards,
Cyborg
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