Get free from global symbol table on Linux as we do for macos.

shapely · Jul 15, 2021 · 438ac6e · 438ac6e
1 parent fd68d0d
commit 438ac6e
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diff --git a/CHANGES.txt b/CHANGES.txt
@@ -23,6 +23,8 @@ New features:
 
 Bug fixes:
 
+- We no longer attempt to load libc to get the free function on Linux, but get
+  it from the global symbol table.
 - GEOS error messages printed when GEOS_getCoordSeq() is passed an empty
   geometry are avoided by never passing an empty geometry (#1134).
 - Python's builtin super() is now used only as described in PEP 3135 (#1109).

diff --git a/shapely/geos.py b/shapely/geos.py
@@ -101,7 +101,8 @@ def exists_conda_env():
     c_alt_paths = [
         'libc.musl-x86_64.so.1'
     ]
-    free = load_dll('c', fallbacks=c_alt_paths).free
+    # free = load_dll('c', fallbacks=c_alt_paths).free
+    free = CDLL(None).free
     free.argtypes = [c_void_p]
     free.restype = None