libwebsockets (4.3.2-4) unstable; urgency=medium * Re-enable LWS_WITH_EXTERNAL_POLL support (closes: #1050195).
-- Laszlo Boszormenyi (GCS) <g...@debian.org> Wed, 23 Aug 2023 22:13:50 +0200 Looks like fixed in sid/testing. G. On Sun, 13 Nov 2022 16:52:04 +0100 Tom van Leeuwen <tom.van.leeu...@fs-g.org> wrote:
Package: mosquitto Version: 2.0.11-1.1+b3The libwebsockets-dev package in Bookworm is compiled without "LWS_WITH_EXTERNAL_POLL=ON". This breaks compatibility with mosquitto, which requires this option to be set in libwebsockets 4.1.6 to use websockets.Mosquitto is statically linked against libwebsockets in Bookworm. However, the linked version does not have the LWS_WITH_EXTERNAL_POLL=ON flag set either, since it is linked against libwebsockets.a file from the libwebsockets-dev package.These discussions show that "LWS_WITH_EXTERNAL_POLL=ON" is required: https://github.com/eclipse/mosquitto/blob/v2.0.15/src/mosquitto_broker_internal.h#L26 https://bugs.archlinux.org/task/70321 https://github.com/eclipse/mosquitto/issues/2060Since mosquitto it is statically linked, the problematic libwebsockets code is inside that package as well.Ideally, you would add "LWS_WITH_EXTERNAL_POLL=ON" to the build of libwebsockets-dev and rebuild mosquitto. Alternatively you could disable websocket support in mosquitto all together by removing the WITH_WEBSOCKETS=yes flag.I have the config file attached (stored in /etc/mosquitto/conf.d) that results in unusable websockets, but testing the issue requires a publisher to get some data in mosquitto and a subscriber via websockets to reproduce the issue. There is no error message, there is simply no data provided to the subscriber. Let me know if you need a test since it is already documented that the "LWS_WITH_EXTERNAL_POLL=ON" flag is a requirement for mosquitto with websockets enabled.
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