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Fix Windows DLL lookup: search both oqs.dll and liboqs.dll (Issue #108) #117

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Merged
merged 1 commit into from
Sep 11, 2025
+6 −4
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Fix Windows DLL lookup: search both oqs.dll and liboqs.dll (Issue #108) #117

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10 changes: 6 additions & 4 deletions oqs/oqs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -109,9 +109,11 @@ def _load_shared_obj(
if platform.system() == "Darwin":
paths.append(path.absolute() / Path(f"lib{name}").with_suffix(".dylib"))
elif platform.system() == "Windows":
paths.append(path.absolute() / Path(name).with_suffix(".dll"))
# Does not work
# os.environ["PATH"] += os.path.abspath(path)
# Try both oqs.dll and liboqs.dll in the install path
for dll_name in (name, f"lib{name}"):
paths.append(
path.absolute() / Path(dll_name).with_suffix(".dll")
)
else: # Linux/FreeBSD/UNIX
paths.append(path.absolute() / Path(f"lib{name}").with_suffix(".so"))
# https://stackoverflow.com/questions/856116/changing-ld-library-path-at-runtime-for-ctypes
Expand Down Expand Up @@ -281,7 +283,7 @@ def native() -> ct.CDLL:


def oqs_version() -> str:
"""`liboqs` version string."""
"""liboqs version string."""
native().OQS_version.restype = ct.c_char_p
return ct.c_char_p(native().OQS_version()).value.decode("UTF-8") # type: ignore[union-attr]

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