Merge GCC frontend into the branch

config-lang.in

@@ -0,0 +1,21 @@
+# Top level configure fragment for gcc Elna frontend.
+# Copyright (C) 2025 Free Software Foundation, Inc.
+
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+language="elna"
+gcc_subdir="elna/gcc"
+
+. ${srcdir}/elna/gcc/config-lang.in