Add 'xo-pyunit/' from commit '4d0e708ea4'

git-subtree-dir: xo-pyunit
git-subtree-mainline: cb2ce5a5b8
git-subtree-split: 4d0e708ea4

xo-pyunit/src/pyunit/pyunit.hpp.in

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+/* @file pyunit.hpp
+ *
+ * automatically generated from src/xo_pyunit/pyunit.hpp.in
+ * see src/xo_pyunit/CMakeLists.txt
+ */
+
+/* python requires module name = library name
+ * example:
+ *   PYBIND11_MODULE(PYUNIT_MODULE_NAME(), m) { ... }
+ */
+#define PYUNIT_MODULE_NAME() @SELF_LIB@
+
+/* example:
+ *   py::module_::import(PYUNIT_MODULE_NAME_STR)
+ */
+#define PYUNIT_MODULE_NAME_STR "@SELF_LIB@"
+
+/* example:
+ *   PYUNIT_IMPORT_MODULE()
+ * replaces
+ *   py::module_::import("pyunit")
+ */
+#define PYUNIT_IMPORT_MODULE() py::module_::import("@SELF_LIB@")
+
+/* end pyunit.hpp */