OpenCV.jl fails to compile with Julia 1.12.1

[victor-gaganov]

OpenCV.jl fails to compile when I try to install it on top of empty Julia environment on my machine. I tried to do the same in official Julia docker image and this issue reproduces there as well. Steps to reproduce:

1. Get official Julia docker image running docker run -it --rm julia (7b32e015f644 to be precise)
2. Enter pkg and install OpenCV ] add OpenCV
3. Observe the following stacktrace

ERROR: The following 1 direct dependency failed to precompile:

OpenCV 

Failed to precompile OpenCV [f878e3a2-a245-4720-8660-60795d644f2a] to "/root/.julia/compiled/v1.12/OpenCV/jl_WsgAyv".
C++ exception while wrapping module StdLib: invalid subtyping in definition of StdString with supertype CppBasicString
ERROR: LoadError: invalid subtyping in definition of StdString with supertype CppBasicString
Stacktrace:
  [1] register_julia_module
    @ ~/.julia/packages/CxxWrap/I0P2E/src/CxxWrap.jl:432 [inlined]
  [2] readmodule(so_path_cb::typeof(CxxWrap.StdLib.get_libcxxwrap_julia_stl_path), funcname::Symbol, m::Module, flags::UInt32)
    @ CxxWrap.CxxWrapCore ~/.julia/packages/CxxWrap/I0P2E/src/CxxWrap.jl:825
  [3] wrapmodule(so_path_cb::Function, funcname::Symbol, m::Module, flags::UInt32)
    @ CxxWrap.CxxWrapCore ~/.julia/packages/CxxWrap/I0P2E/src/CxxWrap.jl:835
  [4] include(mapexpr::Function, mod::Module, _path::String)
    @ Base ./Base.jl:307
  [5] include(mod::Module, _path::String)
    @ Base ./Base.jl:306
  [6] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt128}}, source::String)
    @ Base ./loading.jl:2996
  [7] eval(m::Module, e::Any)
    @ Core ./boot.jl:489
  [8] include_string(mapexpr::typeof(identity), mod::Module, code::String, filename::String)
    @ Base ./loading.jl:2842
  [9] include_string
    @ ./loading.jl:2852 [inlined]
 [10] exec_options(opts::Base.JLOptions)
    @ Base ./client.jl:315
 [11] _start()
    @ Base ./client.jl:550
in expression starting at /root/.julia/packages/CxxWrap/I0P2E/src/StdLib.jl:1
in expression starting at /root/.julia/packages/CxxWrap/I0P2E/src/CxxWrap.jl:1
in expression starting at stdin:5
ERROR: LoadError: Failed to precompile CxxWrap [1f15a43c-97ca-5a2a-ae31-89f07a497df4] to "/root/.julia/compiled/v1.12/CxxWrap/jl_kjaCmB".
Stacktrace:
  [1] error(s::String)
    @ Base ./error.jl:44
  [2] compilecache(pkg::Base.PkgId, path::String, internal_stderr::IO, internal_stdout::IO, keep_loaded_modules::Bool; flags::Cmd, cacheflags::Base.CacheFlags, reasons::Dict{String, Int64}, loadable_exts::Nothing)
    @ Base ./loading.jl:3283
  [3] (::Base.var"#__require_prelocked##0#__require_prelocked##1"{Base.PkgId, String, Dict{String, Int64}})()
    @ Base ./loading.jl:2651
  [4] mkpidlock(f::Base.var"#__require_prelocked##0#__require_prelocked##1"{Base.PkgId, String, Dict{String, Int64}}, at::String, pid::Int32; kwopts::@Kwargs{stale_age::Int64, wait::Bool})
    @ FileWatching.Pidfile /usr/local/julia/share/julia/stdlib/v1.12/FileWatching/src/pidfile.jl:93
  [5] #mkpidlock#7
    @ /usr/local/julia/share/julia/stdlib/v1.12/FileWatching/src/pidfile.jl:88 [inlined]
  [6] trymkpidlock(::Function, ::Vararg{Any}; kwargs::@Kwargs{stale_age::Int64})
    @ FileWatching.Pidfile /usr/local/julia/share/julia/stdlib/v1.12/FileWatching/src/pidfile.jl:114
  [7] #invokelatest_gr#232
    @ ./reflection.jl:1282 [inlined]
  [8] invokelatest_gr
    @ ./reflection.jl:1274 [inlined]
  [9] maybe_cachefile_lock(f::Base.var"#__require_prelocked##0#__require_prelocked##1"{Base.PkgId, String, Dict{String, Int64}}, pkg::Base.PkgId, srcpath::String; stale_age::Int64)
    @ Base ./loading.jl:3854
 [10] maybe_cachefile_lock
    @ ./loading.jl:3851 [inlined]
 [11] __require_prelocked(pkg::Base.PkgId, env::String)
    @ Base ./loading.jl:2637
 [12] _require_prelocked(uuidkey::Base.PkgId, env::String)
    @ Base ./loading.jl:2465
 [13] macro expansion
    @ ./loading.jl:2393 [inlined]
 [14] macro expansion
    @ ./lock.jl:376 [inlined]
 [15] __require(into::Module, mod::Symbol)
    @ Base ./loading.jl:2358
 [16] require(into::Module, mod::Symbol)
    @ Base ./loading.jl:2334
 [17] include(mapexpr::Function, mod::Module, _path::String)
    @ Base ./Base.jl:307
 [18] top-level scope
    @ ~/.julia/artifacts/caa92f14db4e20d28fb05b231e08788b31c91111/OpenCV/src/OpenCV.jl:4
 [19] include(mapexpr::Function, mod::Module, _path::String)
    @ Base ./Base.jl:307
 [20] top-level scope
    @ ~/.julia/packages/OpenCV/5LneO/src/OpenCV.jl:7
 [21] include(mod::Module, _path::String)
    @ Base ./Base.jl:306
 [22] include_package_for_output(pkg::Base.PkgId, input::String, depot_path::Vector{String}, dl_load_path::Vector{String}, load_path::Vector{String}, concrete_deps::Vector{Pair{Base.PkgId, UInt128}}, source::Nothing)
    @ Base ./loading.jl:2996
 [23] top-level scope
    @ stdin:5
 [24] eval(m::Module, e::Any)
    @ Core ./boot.jl:489
 [25] include_string(mapexpr::typeof(identity), mod::Module, code::String, filename::String)
    @ Base ./loading.jl:2842
 [26] include_string
    @ ./loading.jl:2852 [inlined]
 [27] exec_options(opts::Base.JLOptions)
    @ Base ./client.jl:315
 [28] _start()
    @ Base ./client.jl:550
in expression starting at /root/.julia/artifacts/caa92f14db4e20d28fb05b231e08788b31c91111/OpenCV/src/cv_cxx.jl:10
in expression starting at /root/.julia/artifacts/caa92f14db4e20d28fb05b231e08788b31c91111/OpenCV/src/OpenCV.jl:4
in expression starting at /root/.julia/packages/OpenCV/5LneO/src/OpenCV.jl:1

Am I missing some configuration steps?

[NeLeGo]

Hi! I've encountered a similar problem, and it seems to be caused by CxxWrap.jl.

Julia version: 0.12.1
OpenCV.jl version: 4.6.1
CxxWrap.jl version: 0.16.2 (the default dependency version)

I tried precompiling CxxWrap.jl version 0.16.2 separately, and it still produced the same error message. But it works normally in version 0.17.3..

The same problem was raised in JuliaInterop/CxxWrap.jl#486 and JuliaInterop/CxxWrap.jl#487, and it have been resolved in JuliaInterop/CxxWrap.jl#489.

Solution: Upgrade CxxWrap.jl version to 0.17.

[mkitti]

Can this issue be resolved since upgrading CxxWrap.jl to 0.17 resolves the issue?

] add CxxWrap@0.17

[victor-gaganov]

@mkitti pinned CxxWrap to a 0.17.3 and tried add OpenCV - it errors. OpenCV explicitly requires an older version of CxxWrap.

ERROR: Unsatisfiable requirements detected for package CxxWrap [1f15a43c]:
 CxxWrap [1f15a43c] log:
 ├─possible versions are: 0.7.0 - 0.17.3 or uninstalled
 ├─restricted to versions * by project [036bd261], leaving only versions: 0.7.0 - 0.17.3
 │ └─project [036bd261] log:
 │   ├─possible versions are: 0.0.0 or uninstalled
 │   └─project [036bd261] is fixed to version 0.0.0
 ├─restricted to versions 0.17.3 by an explicit requirement, leaving only versions: 0.17.3
 └─restricted by compatibility requirements with OpenCV [f878e3a2] to versions: [0.11.0 - 0.13.4, 0.16.0 - 0.16.2] — no versions left
   └─OpenCV [f878e3a2] log:
     ├─possible versions are: 4.5.2 - 4.6.1 or uninstalled
     └─restricted to versions * by an explicit requirement, leaving only versions: 4.5.2 - 4.6.1

[mkitti]

I'm attempting a fix:

• Update CxxWrap and other compat #62
• [OpenCV] Update to 4.12.0 JuliaPackaging/Yggdrasil#12551

[ViralBShah]

IIRC, @barche helped get it running the last time. JuliaPackaging/Yggdrasil#8820 has discussion from when it was all fixed up the last time.

The current OpenCV.jl should work with Julia 1.10 for now, and the last time around I do believe it passed all tests.

[barche]

Running with Julia 1.12 requires a new enough libcxxwrap-julia and an OpenCV_jll compiled against that. I'll take a look at the PRs mentioned above, but indeed after recompiling and updating the CxxWrap compat it should work again.