package libctranslate2.so in wheel to avoid import errors

Signed-off-by: yzewei <[email protected]>

Author: yzewei

python/setup.py

@@ -51,6 +51,14 @@ def _maybe_add_library_root(lib_name):
 elif sys.platform == "win32":
     cflags = ["/std:c++17", "/d2FH4-"]
     package_data["ctranslate2"] = ["*.dll"]
+elif sys.platform == "linux":
+    package_data["ctranslate2"] = [
+        "../libctranslate2.so",
+        "../libctranslate2.so.4",
+        "../libctranslate2.so.4.6.0"
+    ]
+    cflags.append("-fPIC")
+    ldflags.append("-Wl,-rpath,$ORIGIN")
 
 ctranslate2_module = Extension(
     "ctranslate2._ext",