Installation issue: hpcx_mpi/package.py does not set spec property libs

[rickgrubin]

Steps to reproduce the issue

Package hpcx-mpi does not set property mpi_spec.libs. Using py-mpi4py as an example:

$ spack spec -l py-mpi4py %oneapi@2025.2.1
 -   vwgm2ef  py-mpi4py@4.0.1 build_system=python_pip arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
 -   fbl56cg      ^compiler-wrapper@1.0 build_system=generic arch=linux-rocky9-zen4 
[e]  riltp4w      ^glibc@2.34 build_system=autotools arch=linux-rocky9-zen4 
[e]  rmzkvwd      ^intel-oneapi-compilers@2025.2.1~amd+envmods~nvidia build_system=generic arch=linux-rocky9-zen4 
[e]  5qageij      ^intel-oneapi-mpi@2021.13~classic-names+envmods~external-libfabric~generic-names~ilp64 build_system=generic arch=linux-rocky9-zen4 
[e]  gksnswy      ^intel-oneapi-runtime@2025.2.1 build_system=generic arch=linux-rocky9-zen4 
 -   dk366it      ^py-cython@3.0.12 build_system=python_pip arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
 -   n6hcxsx      ^py-pip@25.1.1 build_system=generic arch=linux-rocky9-zen4 
 -   spapxky      ^py-setuptools@69.2.0 build_system=generic arch=linux-rocky9-zen4 
 -   c2xusrv      ^py-wheel@0.45.1 build_system=generic arch=linux-rocky9-zen4 
 -   eeiae6j      ^python@3.11.11+bz2~crypt+ctypes+dbm~debug+libxml2+lzma~optimizations+pic+pyexpat+pythoncmd+readline+shared+sqlite3~ssl~tkinter+uuid+zlib build_system=generic patches:=13fa8bf,b0615b2,ebdca64,f2fd060 arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
 -   mf7qgp5          ^bzip2@1.0.8~debug~pic+shared build_system=generic arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   cszumlk              ^diffutils@3.10 build_system=autotools arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   iqbfpbl          ^expat@2.7.1~libbsd build_system=autotools arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
 -   rtbn2lq          ^gdbm@1.25 build_system=autotools arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   3zll3kj          ^gettext@0.23.1+bzip2+curses+git~libunistring+libxml2+pic+shared+tar+xz build_system=autotools arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
 -   yol2fg7              ^libiconv@1.18 build_system=autotools libs:=shared,static arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   5mtj5ti              ^libxml2@2.13.5~http+pic~python+shared build_system=autotools arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   j64qx3p              ^tar@1.35 build_system=autotools zip=pigz arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   xaqcrcy                  ^pigz@2.8 build_system=makefile arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   fm4eeyz                  ^zstd@1.5.7+pic+programs build_system=makefile compression:=none libs:=shared,static arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
 -   hlz6psw          ^gmake@4.4.1~guile build_system=generic arch=linux-rocky9-zen4 %c=gcc@12.4.0
[e]  hnozacw              ^gcc@12.4.0~binutils+bootstrap~graphite~mold~nvptx~piclibs~profiled~strip build_system=autotools build_type=RelWithDebInfo languages:='c,c++,fortran' arch=linux-rocky9-zen4 
[e]  67f6tf5              ^gcc-runtime@12.4.0 build_system=generic arch=linux-rocky9-zen4 
 -   oiunrip          ^libffi@3.4.8 build_system=autotools arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
 -   bahahd3          ^ncurses@6.5~symlinks+termlib abi=none build_system=autotools patches:=7a351bc arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
 -   wkbnuc2          ^pkg-config@0.29.2+internal_glib build_system=autotools arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   ejztrif          ^readline@8.2 build_system=autotools patches:=1ea4349,24f587b,3d9885e,5911a5b,622ba38,6c8adf8,758e2ec,79572ee,a177edc,bbf97f1,c7b45ff,e0013d9,e065038 arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   vxx4oeu          ^sqlite@3.46.0+column_metadata+dynamic_extensions+fts~functions+rtree build_system=autotools arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   7fk55rd          ^util-linux-uuid@2.41 build_system=autotools arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   ij6nkbd          ^xz@5.6.3~pic build_system=autotools libs:=shared,static arch=linux-rocky9-zen4 %c=oneapi@2025.2.1
 -   3ntfatx          ^zlib@1.2.13+optimize+pic+shared build_system=makefile arch=linux-rocky9-zen4 %c,cxx=oneapi@2025.2.1
...


$ spack install --verbose --fail-fast --show-log-on-error --no-check-signature py-mpi4py %oneapi@2025.2.1

Error message

Error message

[...]
==> No binary for py-mpi4py-4.0.1-yz2axgmf3svvd5gq7qcmrmseip6cplb4 found: installing from source
==> Using cached archive: /scratch4/NCEPDEV/nems/Richard.Grubin/spack-stack/cache/source_cache/_source-cache/archive/f3/f3174b245775d556f4fddb32519a2066ef0592edc810c5b5a59238f9a0a40c89.tar.gz
==> No patches needed for py-mpi4py
==> py-mpi4py: Executing phase: 'install'
[...]
==> [2025-12-29-21:07:34.788299] Find complete: ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025/include'] ['*.h', '*.hpp', '*.hxx', '*.hh', '*.H', '*.txx', '*.tcc', '*.icc', '*.mod', '*.inc']
==> [2025-12-29-21:07:34.790453] Find (max depth = None): ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025/lib'] ['libhpcx?mpi.so']
==> [2025-12-29-21:07:34.790647] Find complete: ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025/lib'] ['libhpcx?mpi.so']
==> [2025-12-29-21:07:34.790686] Find (max depth = None): ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025'] ['libhpcx?mpi.so']
==> [2025-12-29-21:07:34.815791] Find complete: ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025'] ['libhpcx?mpi.so']
==> [2025-12-29-21:07:34.815868] Find (max depth = None): ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025/lib'] ['libhpcx?mpi.a']
==> [2025-12-29-21:07:34.816052] Find complete: ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025/lib'] ['libhpcx?mpi.a']
==> [2025-12-29-21:07:34.816085] Find (max depth = None): ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025'] ['libhpcx?mpi.a']
==> [2025-12-29-21:07:34.839537] Find complete: ['/apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-mt-oneapi2025'] ['libhpcx?mpi.a']
==> Error: NoLibrariesError: Unable to recursively locate hpcx-mpi libraries in /apps/hpcx-v2.18.1-gcc-mlnx_ofed-redhat9-cuda12-x86_64/ompi-oneapi2025

/scratch4/NCEPDEV/nems/Richard.Grubin/spack-stack/repos/builtin/repos/spack_repo/builtin/packages/py_mpi4py/package.py:67, in create_mpi_config_file:
     64    """
     65    mpi_spec = self.spec["mpi"]
     66    include_dirs = mpi_spec.headers.directories
 >>  67    library_dirs = mpi_spec.libs.directories
     68    with open(cfg_fn, "w") as cfg:
     69      cfg.write("[mpi]\n")
     70      cfg.write("mpi_dir       = {}\n".format(mpi_spec.prefix))

Information on your system

* **Spack:** 1.0.1 (https://github.com/spack/spack/commit/553caf208c8d5983bf86d6eb7c63fcb546095b7d)
* **Builtin repo:** /scratch4/NCEPDEV/nems/Richard.Grubin/spack-stack/repos/builtin/repos/spack_repo/builtin (58a2d58)
* **Python:** 3.9.18
* **Platform:** linux-rocky9-zen4

Additional information

spack-build-env.txt
spack-build-out.txt

General information

• I have run spack debug report and reported the version of Spack/Python/Platform
• I have run spack maintainers <name-of-the-package> and @mentioned any maintainers
• I have uploaded the build log and environment files
• I have searched the issues of this repo and believe this is not a duplicate