bpo-34449: HP aCC complains about invalid -fPIC on HP-UX

-fPIC is code generation option and not a link option. At compile time '+z' is already properly used with HP aCC and shared libraries are correctly linked with '+b'. This switch can safely be dropped. Patch by Michael Osipov.
michael-o · Aug 16, 2023 · f2fd7c0 · f2fd7c0
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diff --git a/Misc/NEWS.d/next/Build/2018-08-21-11-10-18.bpo-34449.Z3qm3c.rst b/Misc/NEWS.d/next/Build/2018-08-21-11-10-18.bpo-34449.Z3qm3c.rst
@@ -0,0 +1 @@
+Drop invalid compiler switch for HP aCC on HP-UX. Patch by Michael Osipov.
diff --git a/setup.py b/setup.py
@@ -1983,9 +1983,6 @@ def detect_ctypes(self):
             # finding some -z option for the Sun compiler.
             extra_link_args.append('-mimpure-text')
 
-        elif HOST_PLATFORM.startswith('hp-ux'):
-            extra_link_args.append('-fPIC')
-
         ext = Extension('_ctypes',
                         include_dirs=include_dirs,
                         extra_compile_args=extra_compile_args,