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diff --git a/numba/cuda/cuda_paths.py b/numba/cuda/cuda_paths.py
index d195bbc29..0699b365b 100644
--- a/numba/cuda/cuda_paths.py
+++ b/numba/cuda/cuda_paths.py
@@ -24,11 +24,7 @@ def _find_valid_path(options):
def _get_libdevice_path_decision():
options = [
- ('Conda environment', get_conda_ctk()),
- ('Conda environment (NVIDIA package)', get_nvidia_libdevice_ctk()),
- ('CUDA_HOME', get_cuda_home('nvvm', 'libdevice')),
- ('System', get_system_ctk('nvvm', 'libdevice')),
- ('Debian package', get_debian_pkg_libdevice()),
+ ('Nix store', get_nix_ctk('nvvm', 'libdevice')),
]
by, libdir = _find_valid_path(options)
return by, libdir
@@ -36,17 +32,14 @@ def _get_libdevice_path_decision():
def _nvvm_lib_dir():
if IS_WIN32:
- return 'nvvm', 'bin'
+ return 'bin',
else:
- return 'nvvm', 'lib64'
+ return 'lib64',
def _get_nvvm_path_decision():
options = [
- ('Conda environment', get_conda_ctk()),
- ('Conda environment (NVIDIA package)', get_nvidia_nvvm_ctk()),
- ('CUDA_HOME', get_cuda_home(*_nvvm_lib_dir())),
- ('System', get_system_ctk(*_nvvm_lib_dir())),
+ ('Nix store', get_nix_ctk(*_nvvm_lib_dir())),
]
by, path = _find_valid_path(options)
return by, path
@@ -66,7 +59,7 @@ def _cudalib_path():
if IS_WIN32:
return 'bin'
else:
- return 'lib64'
+ return 'lib'
def _cuda_home_static_cudalib_path():
@@ -78,10 +71,7 @@ def _cuda_home_static_cudalib_path():
def _get_cudalib_dir_path_decision():
options = [
- ('Conda environment', get_conda_ctk()),
- ('Conda environment (NVIDIA package)', get_nvidia_cudalib_ctk()),
- ('CUDA_HOME', get_cuda_home(_cudalib_path())),
- ('System', get_system_ctk(_cudalib_path())),
+ ('Nix store', get_nix_lib_ctk(_cudalib_path())),
]
by, libdir = _find_valid_path(options)
return by, libdir
@@ -239,3 +229,19 @@ def get_debian_pkg_libdevice():
if not os.path.exists(pkg_libdevice_location):
return None
return pkg_libdevice_location
+
+
+def get_nix_ctk(*subdirs):
+ """Return path to nix store cudatoolkit; or, None if it doesn't exist.
+ """
+ base = '@cuda_toolkit_path@'
+ if os.path.exists(base):
+ return os.path.join(base, *subdirs)
+
+
+def get_nix_lib_ctk(*subdirs):
+ """Return path to nix store cudatoolkit-lib; or, None if it doesn't exist.
+ """
+ base = '@cuda_toolkit_lib_path@'
+ if os.path.exists(base):
+ return os.path.join(base, *subdirs)
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