Precompile error, missing symbol in libpango.so

[phykos]

Traceback:

julia> using Gtk
[ Info: Precompiling Gtk [4c0ca9eb-093a-5379-98c5-f87ac0bbbf44]
ERROR: LoadError: LoadError: InitError: could not load library "/home/g/.julia/artifacts/5468acf0ab7d63c9fd87622c5355256ab61f082b/lib/libpangocairo-1.0.so"
/lib/libpangoft2-1.0.so.0: undefined symbol: pango_coverage_get_type
Stacktrace:
 [1] dlopen(::String, ::UInt32; throw_error::Bool) at /buildworker/worker/package_linuxaarch64/build/usr/share/julia/stdlib/v1.5/Libdl/src/Libdl.jl:109
 [2] dlopen(::String, ::UInt32) at /buildworker/worker/package_linuxaarch64/build/usr/share/julia/stdlib/v1.5/Libdl/src/Libdl.jl:109
 [3] macro expansion at /home/g/.julia/packages/JLLWrappers/KuIwt/src/products/library_generators.jl:61 [inlined]
 [4] __init__() at /home/g/.julia/packages/Pango_jll/XQBSg/src/wrappers/aarch64-linux-gnu.jl:22
 [5] _include_from_serialized(::String, ::Array{Any,1}) at ./loading.jl:697
 [6] _require_search_from_serialized(::Base.PkgId, ::String) at ./loading.jl:782
 [7] _require(::Base.PkgId) at ./loading.jl:1007
 [8] require(::Base.PkgId) at ./loading.jl:928
 [9] require(::Module, ::Symbol) at ./loading.jl:923
 [10] include(::Function, ::Module, ::String) at ./Base.jl:380
 [11] include(::Module, ::String) at ./Base.jl:368
 [12] top-level scope at /home/g/.julia/packages/JLLWrappers/KuIwt/src/toplevel_generators.jl:170
 [13] include(::Function, ::Module, ::String) at ./Base.jl:380
 [14] include(::Module, ::String) at ./Base.jl:368
 [15] top-level scope at none:2
 [16] eval at ./boot.jl:331 [inlined]
 [17] eval(::Expr) at ./client.jl:467
 [18] top-level scope at ./none:3
during initialization of module Pango_jll
in expression starting at /home/g/.julia/packages/GTK3_jll/8K2nw/src/wrappers/aarch64-linux-gnu.jl:6
in expression starting at /home/g/.julia/packages/GTK3_jll/8K2nw/src/GTK3_jll.jl:8
ERROR: LoadError: Failed to precompile GTK3_jll [77ec8976-b24b-556a-a1bf-49a033a670a6] to /home/g/.julia/compiled/v1.5/GTK3_jll/D35Um_CnE5m.ji.
Stacktrace:
 [1] error(::String) at ./error.jl:33
 [2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1305
 [3] _require(::Base.PkgId) at ./loading.jl:1030
 [4] require(::Base.PkgId) at ./loading.jl:928
 [5] require(::Module, ::Symbol) at ./loading.jl:923
 [6] include(::Function, ::Module, ::String) at ./Base.jl:380
 [7] include(::Module, ::String) at ./Base.jl:368
 [8] top-level scope at none:2
 [9] eval at ./boot.jl:331 [inlined]
 [10] eval(::Expr) at ./client.jl:467
 [11] top-level scope at ./none:3
in expression starting at /home/g/.julia/packages/Gtk/C22jV/src/Gtk.jl:9
ERROR: Failed to precompile Gtk [4c0ca9eb-093a-5379-98c5-f87ac0bbbf44] to /home/g/.julia/compiled/v1.5/Gtk/Vjnq0_CnE5m.ji.
Stacktrace:
 [1] error(::String) at ./error.jl:33
 [2] compilecache(::Base.PkgId, ::String) at ./loading.jl:1305
 [3] _require(::Base.PkgId) at ./loading.jl:1030
 [4] require(::Base.PkgId) at ./loading.jl:928
 [5] require(::Module, ::Symbol) at ./loading.jl:923

To be honest, I don't have the minimum idea of what I have to do

[giordano]

Can you please show the output of

using Libdl
filter(lib ->occursin("libpangoft2", lib), dllist())

after you get this error, in the same Julia session. I suspect another library is being picked up.

[phykos]

Can you please show the output of

using Libdl
filter(lib ->occursin("libpangoft2", lib), dllist())

after you get this error, in the same Julia session. I suspect another library is being picked up.

Same Julia session, String[]

[giordano]

That's... weird. Ok, let's try to show something more. Always same session:

using Libdl
filter(lib ->occursin("pango", lib), dllist())

[phykos]

That's... weird. Ok, let's try to show something more. Always same session:

using Libdl
filter(lib ->occursin("pango", lib), dllist())

Same as before

[giordano]

I must say I have a hard time believing that, since libpango.so is loaded before the other libraries: https://github.com/JuliaBinaryWrappers/Pango_jll.jl/blob/7daac12ec5e72d6928bb7e1efbbd3b979866d0a9/src/wrappers/aarch64-linux-gnu.jl#L16-L20 and you get an error only when loading libpangocairo-1.0.so (line 22 of the same file, as shown in your stacktrace)

[giordano]

Do you set environment variables like LD_LIBRARY_PATH that could affect order of loading of libraries? Check for example ENV["LD_LIBRARY_PATH"] in Julia. Does the file /lib/libpangoft2-1.0.so.0 exist in your system?

[phykos]

Do you set environment variables like LD_LIBRARY_PATH that could affect order of loading of libraries? Check for example ENV["LD_LIBRARY_PATH"] in Julia. Does the file /lib/libpangoft2-1.0.so.0 exist in your system?

I have set LD_LIBRARY_PATH in my zshrc to "/lib:/usr/lib:/usr/local/lib", and yes, the file does exist

[giordano]

I have set LD_LIBRARY_PATH in my zshrc to "/lib:/usr/lib:/usr/local/lib"

Does it work if you don't set LD_LIBRARY_PATH?

and yes, the file does exist

That confirms that the system library is being picked up. Maybe because of setting LD_LIBRARY_PATH

[phykos]

Does it work if you don't set LD_LIBRARY_PATH?
No, it's the same thing

[giordano]

Does that happen in a fresh Julia session? I really have a hard time figuring out under which conditions you can get this error, and the fact that libpango.so isn't loaded after you get the error doesn't make much sense to me

[phykos]

even in a fresh Julia session it returns String[]

[giordano]

even in a fresh Julia session it returns String[]

No doubt there is no libpango.so in a fresh Julia session, if you're saying that. I was asking whether the error occurs also in a fresh Julia session, without loading any other package before that.

How did you install Julia? After you get the error, can you simply print all loaded libraries?

using Libdl
println.(dllist());

It's easier than looking one by one for the faulty one.

[phykos]

even in a fresh Julia session it returns String[]

No doubt there is no libpango.so in a fresh Julia session, if you're saying that. I was asking whether the error occurs also in a fresh Julia session, without loading any other package before that.

How did you install Julia? After you get the error, can you simply print all loaded libraries?

using Libdl
println.(dllist());

It's easier than looking one by one for the faulty one.

I installed Julia from the official website, and in origin I didn't install any package before Gtk (in that session)

Ok, I don't know how, but now it compiles, I didn't update anything...
Still nm /lib/libpango* says that there are no symbols.
Now it gives a warning, Gtk-Message: 20:56:43.200: Failed to load module "canberra-gtk-module", but It doesn't look that problematic

[kunzaatko]

I had the same issue but it resolved itself with unseting LD_LIBRARY_PATH. It is kind of weird though, because:

ENV["LD_LIBRARY_PATH"] == "/usr/lib/:/usr/lib64/"

and pango is at /usr/lib/libpangoft2-1.0.so. Why does it not find it? @giordano

[giordano]

I don't know what error you're getting, but the point is that you shouldn't be using the system library