SCons: Begin decoupling generation & build code

modules/text_server_adv/text_server_adv_builders.py

@@ -0,0 +1,21 @@
+"""Functions used to generate source files during build time"""
+
+import methods
+
+
+def make_icu_data(target, source, env):
+    buffer = methods.get_buffer(str(source[0]))
+    with methods.generated_wrapper(str(target[0])) as file:
+        file.write(f"""\
+/* (C) 2016 and later: Unicode, Inc. and others. */
+/* License & terms of use: https://www.unicode.org/copyright.html */
+
+#include <unicode/utypes.h>
+#include <unicode/udata.h>
+#include <unicode/uversion.h>
+
+extern "C" U_EXPORT const size_t U_ICUDATA_SIZE = {len(buffer)};
+extern "C" U_EXPORT const unsigned char U_ICUDATA_ENTRY_POINT[] = {{
+	{methods.format_buffer(buffer, 1)}
+}};
+""")