Support compilation on HP-UX out of the box

HP aCC requires different options than GCC/LLVM, add default ones.

Author: michael-o

setup.py

@@ -100,6 +100,9 @@
             target = "x86_64-apple-macos"
         extra_compile_args.extend(["-target", target])
 
+if sys.platform == "hp-ux11":
+    extra_compile_args.extend(["+Onolimit"])
+
 setup(
     ext_modules=[
         Extension(