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diff --git a/gcc/config/linux.h b/gcc/config/linux.h
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+/* Definitions for Linux-based GNU systems with ELF format
+   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Contributed by Eric Youngdale.
+   Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
+
+This file is part of GNU CC.
+
+GNU CC 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 2, or (at your option)
+any later version.
+
+GNU CC 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Don't assume anything about the header files. */
+#define NO_IMPLICIT_EXTERN_C
+
+#undef HAVE_ATEXIT
+#define HAVE_ATEXIT
+
+/* GNU/Linux uses ctype from glibc.a. I am not sure how complete it is.
+   For now, we play safe. It may change later. */
+
+#if 0
+#undef MULTIBYTE_CHARS
+#define MULTIBYTE_CHARS 1
+#endif
+
+#undef ASM_APP_ON
+#define ASM_APP_ON "#APP\n"
+
+#undef ASM_APP_OFF
+#define ASM_APP_OFF "#NO_APP\n"
+
+#define SET_ASM_OP	".set"
+
+/* Use stabs instead of DWARF debug format.  */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#include "svr4.h"
+
+#undef MD_EXEC_PREFIX
+#undef MD_STARTFILE_PREFIX
+
+/* Output at beginning of assembler file.  */
+/* The .file command should always begin the output.  */
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE)						\
+  do {									\
+	output_file_directive (FILE, main_input_filename);		\
+	fprintf (FILE, "\t.version\t\"01.01\"\n");			\
+  } while (0)
+
+/* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
+   the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
+   provides part of the support for getting C++ file-scope static
+   object constructed before entering `main'. */
+   
+#undef	STARTFILE_SPEC
+#define STARTFILE_SPEC \
+  "%{!shared: \
+     %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
+		       %{!p:%{profile:gcrt1.o%s} \
+			 %{!profile:crt1.o%s}}}} \
+   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+
+/* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
+   the GNU/Linux magical crtend.o file (see crtstuff.c) which
+   provides part of the support for getting C++ file-scope static
+   object constructed before entering `main', followed by a normal
+   GNU/Linux "finalizer" file, `crtn.o'.  */
+
+#undef	ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
+
+/* This is for -profile to use -lc_p instead of -lc. */
+#ifndef CC1_SPEC
+#define CC1_SPEC "%{profile:-p}"
+#endif
+
+#ifndef USE_GNULIBC_1
+#undef DEFAULT_VTABLE_THUNKS
+#define DEFAULT_VTABLE_THUNKS 1
+#endif
+
+#undef	LIB_SPEC
+/* We no longer link with libc_p.a or libg.a by default. If you
+   want to profile or debug the GNU/Linux C library, please add
+   -profile or -ggdb to LDFLAGS at the link time, respectively. */
+#if 1
+#ifdef USE_GNULIBC_1
+#define LIB_SPEC \
+  "%{!shared: %{p:-lgmon} %{pg:-lgmon} %{profile:-lgmon -lc_p} \
+     %{!profile:%{!ggdb:-lc} %{ggdb:-lg}}}"
+#else
+#define LIB_SPEC \
+  "%{shared: -lc} \
+   %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \
+	%{profile:-lc_p} %{!profile: -lc}}"
+#endif
+#else
+#define LIB_SPEC \
+  "%{!shared: \
+     %{p:-lgmon -lc_p} %{pg:-lgmon -lc_p} \
+       %{!p:%{!pg:%{!g*:-lc} %{g*:-lg}}}}"
+#endif