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dlopen failed #35
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I got the same error. Tried changing to liblsl32 but then it complains
Plugins: Couldn't open /package/bin/liblsl32.so, error: dlopen failed: "/package/bin/liblsl32.so" is 32-bit instead of 64-bitAre any dependencies missing, i.e. what's the output of
ldd /package/bin/liblsl64.so?$ ldd liblsl64.so ldd: warning: you do not have execution permission for ./liblsl64.so. linux-vdso.so.1 => (0x00007ffc22267000). librt.so.1 => /lib64/librt.so.1 (0x00007f344c1c3000). libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f344bebc000). libm.so.6 => /lib64/libm.so.6 (0x00007f344bbba000). libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f344b9a4000). libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f344b788000). libc.so.6 => /lib64/libc.so.6 (0x00007f344b3bb000). /lib64/ld-linux-x86-64.so.2 (0x00007f344c6f9000)I suspect an architecture mismatch. What's the output of
file liblsl64.so?$ file liblsl64.so
liblsl64.so: ELF 64-bit LSB shared object, x86-64, version 1 (GNU/Linux), dynamically linked, BuildID[sha1]=793a68998fa33198e0385039a13935d7afa1fbad, strippedliblsl64.so: ELF 64-bit LSB shared object, x86-64
I dimly recall that the Magic Leap is an ARM device, so the x64 binaries won't work (more in-depth explanation).
The easiest way would be to recompile liblsl for the magic leap with the
standalone_compilation.shscript.The documentation is a work in progress, e.g. the bit I linked to was added about 2 minutes before my comment.
I don't have a Magic Leap, but if you can SSH into it, you just need to download the liblsl source code (repository, zip), install g++ and then run
standalone_compilation_linux.sh.If the binary is only meant for the magic leap, you could tailor it for this specific processor (
CFLAGS="-march=native" ./standalone_compilation_linux.sh)The documentation is a work in progress, e.g. the bit I linked to was added about 2 minutes before my comment.
I don't have a Magic Leap, but if you can SSH into it, you just need to download the liblsl source code (repository, zip), install g++ and then run
standalone_compilation_linux.sh.If the binary is only meant for the magic leap, you could tailor it for this specific processor (
CFLAGS="-march=native" ./standalone_compilation_linux.sh)@tstenner Can you kindly share the procedure for Unity 3d for Android Platform (Quest)
Because I am facing issue
DllNotFoundException: lsl
LSL.liblsl+StreamInfo..ctor (System.String name, System.String type, System.Int32 channel_count, System.Double nominal_srate, LSL.liblsl+channel_format_t channel_format, System.String source_id) (at Assets/LSL.cs:156)
EventLSLOutlet.Start () (at Assets/Scripts/EventLSLOutlet.cs:29)
Although my app works on Unity, it is not working when I build it on the Magic Leap device.
I have these errors in mldb:
Note that:
-my dlls are in Assets>LSL4Unity>Plugins
-I have added the following condition to the LSL script in the dll class:
#elif UNITY_ANDROID || PLATFORM_LUMIN
const string libname = "liblsl64";