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As reported in github issue #1502, clang, when building for i386, will try to use CMPXCHG8B-based loops for 64-bit atomic operations, and emits warnings for all 64-bit operands that are not 64-bit aligned, an alignment that is *not* required by the ABI, that the compiler itself does not enforce, and that the intel SDM clearly says is not required on this 32-bit platform for this operation. But this is likely an excessive outcome of the same code being used in 64-bit for CMPXCHG16B which does require proper alignment. Firefox already gave up on this one 3 years ago, let's not waste our time arguing and just shut up the warning instead. It might hide some real bugs in the future but till now experience showed that overall it's unlikely. This should be backported to all maintained branches that use 64-bit atomic ops (e.g. for counters). Thanks to Brad Smith for reporting it and confirming that shutting the warning addresses it.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)