Fresh Linux install fails to load without system OpenBLAS (`undefined symbol: dgemm_`)

[terasakisatoshi]

Summary

A fresh Linux install/load fails in __init__ with undefined symbol: dgemm_ unless a BLAS library is already present in the global loader namespace.

Reproducer

I reproduced this from the current checkout with a clean temp environment:

using Pkg

temp_env = mktempdir()
Pkg.activate(temp_env)
Pkg.add(path="/path/to/SparseIR.jl")
using SparseIR

I also reproduced the same failure with a local development checkout via:

using Pkg
Pkg.activate(mktempdir())
Pkg.develop(path="/path/to/SparseIR.jl")
Pkg.build("SparseIR")
using SparseIR

Observed output

ERROR: InitError: could not load library ".../deps/libsparse_ir_capi.so"
.../deps/libsparse_ir_capi.so: undefined symbol: dgemm_

Environment

• Ubuntu runner
• Julia 1.12.5
• no system OpenBLAS/BLAS libraries visible from ldconfig -p

Additional observations

• using LinearAlgebra; using SparseIR still fails with the same dgemm_ error.
• This workaround makes the package load successfully:

using LinearAlgebra, Libdl
Libdl.dlopen(LinearAlgebra.BLAS.libblastrampoline, Libdl.RTLD_GLOBAL | Libdl.RTLD_LAZY)
using SparseIR

• The built libsparse_ir_capi.so contains unresolved dgemm_ / zgemm_ symbols.
• The repo's PkgAdd.yml workflow installs libopenblas-dev before its smoke test, but the README currently says the needed dependencies are installed automatically.

Expected behavior

A fresh install should load with using SparseIR on Linux without requiring an undocumented system OpenBLAS package or a manual Libdl.dlopen(..., RTLD_GLOBAL) workaround.