Make string and char pointers comparable

gcc/Make-lang.in

@@ -1,3 +1,20 @@
+# Make-lang.in -- Top level -*- makefile -*- fragment for the 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/>.
+
 ELNA_INSTALL_NAME := $(shell echo gelna|sed '$(program_transform_name)')
 ELNA_TARGET_INSTALL_NAME := $(target_noncanonical)-$(shell echo gelna|sed '$(program_transform_name)')