tools: Move check-abis.sh from top-level to tools directory

This tidies up the root directory a bit.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

tools/check-abis.sh

@@ -0,0 +1,23 @@
+#!/bin/sh -e
+
+list_leaked_symbols () {
+	nm -D "$1" | grep ' T ' | cut -f 3 -d ' ' | grep -E -v "$2"
+}
+
+check_symbols () {
+	if [ "$(list_leaked_symbols "$1" "$2" | wc -l)" -ne 0 ]; then
+		echo File "$1" possibly leaking symbols:
+		list_leaked_symbols "$1" "$2"
+		exit 1
+	fi
+}
+
+allowed="^_init$|^_fini$|^_ftext$|^g_"
+allowed_in_libglib="${allowed}|^glib__private__$|^glib_gettext$|^glib_pgettext$|^glib_check_version$"
+allowed_in_libgthread='^_init$|^_fini$|^_ftext$|^g_thread_init$|^g_thread_init_with_errorcheck_mutexes$'
+
+check_symbols glib/.libs/libglib-2.0.so "$allowed_in_libglib"
+check_symbols gthread/.libs/libgthread-2.0.so "$allowed_in_libgthread"
+for file in gmodule/.libs/libgmodule-2.0.so gobject/.libs/libgobject-2.0.so gio/.libs/libgio-2.0.so; do
+	check_symbols "$file" "$allowed"
+done