OSF/1 with ELF support patches.

From-SVN: r4654

gcc/config/i386/osfelf.h

+/* Definitions of target machine for GNU compiler.
+   Intel 386 (OSF/1 with ELF) version.
+   Copyright (C) 1993 Free Software Foundation, Inc.
+
+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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "config/i386/osfrose.h"
+
+#undef	CPP_PREDEFINES
+#define CPP_PREDEFINES "-DOSF -DOSF1 -Dunix -Di386 -Asystem(unix) -Acpu(i386) -Amachine(i386)"
+
+#undef  CPP_SPEC
+#define CPP_SPEC "\
+%{!mrose: %{!mno-elf: -D__ELF__}} %{mrose: -D__ROSE__} %{mno-elf: -D__ROSE__} \
+%{.S:	%{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
+%{.S:	-D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{.cc:	-D__LANGUAGE_C_PLUS_PLUS} \
+%{.cxx:	-D__LANGUAGE_C_PLUS_PLUS} \
+%{.C:	-D__LANGUAGE_C_PLUS_PLUS} \
+%{.m:	-D__LANGUAGE_OBJECTIVE_C} \
+%{!.S:	-D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
+
+/* Turn on -mpic-extern by default (change to later use -fpic.  */
+#undef  CC1_SPEC
+#define CC1_SPEC "\
+%{!melf: %{!mrose: %{!mno-elf: -melf }}} \
+%{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
+%{pic-none:   -mno-half-pic} \
+%{fpic:	      -mno-half-pic} \
+%{fPIC:	      -mno-half-pic} \
+%{pic-lib:    -mhalf-pic} \
+%{pic-extern: -mhalf-pic} \
+%{pic-calls:  -mhalf-pic} \
+%{pic-names*: -mhalf-pic} \
+%{!pic-*: %{!fpic: %{!fPIC: -mhalf-pic}}}"
+
+#undef	ASM_SPEC
+#define ASM_SPEC       ""
+
+#undef  LINK_SPEC
+#define LINK_SPEC      "%{noshrlib: } %{glue: }"
+
+#undef TARGET_VERSION_INTERNAL
+#undef TARGET_VERSION
+
+#undef	I386_VERSION
+#define I386_VERSION " 80386, ELF objects"
+
+#define TARGET_VERSION_INTERNAL(STREAM) fputs (I386_VERSION, STREAM)
+#define TARGET_VERSION TARGET_VERSION_INTERNAL (stderr)
+