Add nccl in supported_nvidia_libs.py (#945)

* Add nvidia-nccl-cu12 to cuda_pathfinder/pyproject.toml nvidia_wheels_cu12

* Add nccl in supported_nvidia_libs.py

* Bump pathfinder version to 1.2.2a0

Author: rwgk

cuda_pathfinder/cuda/pathfinder/_dynamic_libs/supported_nvidia_libs.py

@@ -242,6 +242,7 @@
     "cufftMp": ("libcufftMp.so.11",),
     "mathdx": ("libmathdx.so.0",),
     "cudss": ("libcudss.so.0",),
+    "nccl": ("libnccl.so.2",),
     "nvpl_fftw": ("libnvpl_fftw.so.0",),
     "nvshmem_host": ("libnvshmem_host.so.3",),
 }
@@ -447,6 +448,7 @@
     "cudss": ("nvidia/cu12/lib",),
     "cufftMp": ("nvidia/cufftmp/cu12/lib",),
     "mathdx": ("nvidia/cu13/lib", "nvidia/cu12/lib"),
+    "nccl": ("nvidia/nccl/lib",),
     "nvpl_fftw": ("nvpl/lib",),
     "nvshmem_host": ("nvidia/nvshmem/lib",),
 }

cuda_pathfinder/cuda/pathfinder/_version.py

@@ -1,4 +1,4 @@
 # SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 
-__version__ = "1.2.1"
+__version__ = "1.2.2a0"

cuda_pathfinder/pyproject.toml

@@ -17,9 +17,10 @@ test = [
 nvidia_wheels_cu12 = [
     "cuda-toolkit[nvcc,cublas,nvrtc,cudart,cufft,curand,cusolver,cusparse,npp,nvfatbin,nvjitlink,nvjpeg]==12.*",
     "cuda-toolkit[cufile]==12.*; sys_platform != 'win32'",
-    "nvidia-libmathdx-cu12",
     "nvidia-cudss-cu12",
     "nvidia-cufftmp-cu12; sys_platform != 'win32'",
+    "nvidia-libmathdx-cu12",
+    "nvidia-nccl-cu12; sys_platform != 'win32'",
     "nvidia-nvshmem-cu12; sys_platform != 'win32'",
 ]
 nvidia_wheels_cu13 = [