[LINUX] could not load library /home/.../ag/cl_dlls/client.so about openag HOT 7 OPEN

Try with the "legacy" beta on Half-Life.

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Can confirm Linux OpenAG launches fine with libSDL2-2.0.so.0 preloaded.

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adding LD_PRELOAD=/usr/lib32/libSDL2-2.0.so.0 %command% to launch parameters solve the problem

Let me note that it is not necessary to use the system one libSDL2-2.0.so.0, you can also use it from steam runtime, the only important is that it must be preloaded:

LD_PRELOAD=$STEAM_RUNTIME/usr/lib/i386-linux-gnu/libSDL2-2.0.so.0 %command% -game ag

from openag.

According to error, might be this has something to do that with the release of the 25th anniversary version, they removed the libSDL2 libs from the Half-Life folder for Linux depot: https://steamdb.info/depot/8/history/?changeid=M:2809540380682473923

Although the latest version of the engine is still dynamically linked to the libSDL2, it's just borrows version now from steam runtime (from info sharedlibrary in gdb):

0xf5c6cda0  0xf5d8d978  Yes (*)     /home/smileyag/.steam/debian-installation/ubuntu12_32/steam-runtime/i386/usr/lib/i386-linux-gnu/libSDL2-2.0.so.0

from openag.

I did run Half-Life with Native Runtime. So, as i understand, if just install libSDL2 or move .so file of libSDL2 to Half-Life folder, problem will solve?

from openag.

adding LD_PRELOAD=/usr/lib32/libSDL2-2.0.so.0 %command% to launch parameters solve the problem

from openag.

adding LD_PRELOAD=/usr/lib32/libSDL2-2.0.so.0 %command% to launch parameters solve the problem

Let me note that it is not necessary to use the system one libSDL2-2.0.so.0, you can also use it from steam runtime, the only important is that it must be preloaded:

LD_PRELOAD=$STEAM_RUNTIME/usr/lib/i386-linux-gnu/libSDL2-2.0.so.0 %command% -game ag

Have not tested after 25th anniversary update, but historically HL was shipped with badly outdated libSDL2 so it is recommended to replace game-shipped lib with the one from the system. Otherwise mouse rawinput is wrong and acceleration exists despite of config values. Some other bugs may happen too.

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