Add metacall include path and metacall library path in c loader

Author: rxbryan

source/loaders/c_loader/source/c_loader_impl.cpp

@@ -35,6 +35,7 @@
 
 #include <metacall/metacall.h>
 
+#include <iostream>
 #include <iterator>
 #include <map>
 #include <new>
@@ -322,6 +323,23 @@ static loader_impl_c_handle c_loader_impl_handle_create(loader_impl_c c_impl)
 
 	/* TODO: Take the c_loader and add the execution paths for include (and library?) folders */
 	/* tcc_add_include_path, tcc_add_library_path */
+	std::string incl_path = c_impl->libtcc_runtime_path;
+	std::string metacall_incl_dir = "include";
+
+#if defined(_WIN32)
+	auto i = incl_path.find_last_of('\\', incl_path.size() - 3);
+#else
+	auto i = incl_path.find_last_of('/', incl_path.size() - 3);
+#endif
+
+	incl_path.replace(i + 1, metacall_incl_dir.size(), metacall_incl_dir);
+
+	/*Add metacall include path (so this works <metacall/metacall.h>.)*/
+	tcc_add_include_path(c_handle->state, incl_path.c_str());
+
+	/*Add metacall library path (in other to find libmetacall.so)*/
+	tcc_add_library_path(c_handle->state, c_impl->libtcc_runtime_path.c_str());
+
 	(void)c_impl;
 
 	return c_handle;