2008-11-09 Thomas Schwinge <tschwinge@gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / gnu.h

diff --git a/gcc/config/i386/gnu.h b/gcc/config/i386/gnu.h
index 0acc4f3..10fea9e 100644 (file)
--- a/gcc/config/i386/gnu.h
+++ b/gcc/config/i386/gnu.h
@@ -1,22 +1,38 @@
 /* Configuration for an i386 running GNU with ELF as the target machine.  */
 
-/* This does it mostly for us.  */
-#include <i386/linux.h>
+/*
+Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+2005, 2007, 2008 Free Software Foundation, Inc.
 
-/* Get machine-independent configuration parameters for the GNU system.  */
-#include <gnu.h>
+This file is part of GCC.
+
+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 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (i386 GNU)");
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__ELF__ -DMACH -Asystem=mach \
-  -Dunix -Asystem=unix -Asystem=posix -D__GNU__ -Asystem=gnu"
+#undef TARGET_OS_CPP_BUILTINS /* config.gcc includes i386/linux.h.  */
+#define TARGET_OS_CPP_BUILTINS()               \
+  do                                           \
+    {                                          \
+       HURD_TARGET_OS_CPP_BUILTINS();          \
+    }                                          \
+  while (0)
 
 #undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) \
-  %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \
-  %{posix:-D_POSIX_SOURCE} %{bsd:-D_BSD_SOURCE}"
+#define CPP_SPEC "%{pthread:-D_REENTRANT} %{posix:-D_POSIX_SOURCE} %{bsd:-D_BSD_SOURCE}"
 
 #undef CC1_SPEC
 #define CC1_SPEC "%(cc1_cpu)"
@@ -30,9 +46,19 @@
     %{static:-static}}"
 
 #undef STARTFILE_SPEC
+#if defined HAVE_LD_PIE
 #define STARTFILE_SPEC \
-  "%{!shared: \
-     %{!static: \
-       %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
-     %{static:crt0.o%s}} \
-   crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+  "%{!shared: %{pg|p|profile:gcrt0.o%s;pie:Scrt1.o%s;static:crt0.o%s;:crt1.o%s}} \
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#else
+#define STARTFILE_SPEC \
+  "%{!shared: %{pg|p|profile:gcrt0.o%s;static:crt0.o%s;:crt1.o%s}} \
+   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+#endif
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
+
+/* FIXME: Is a Hurd-specific fallback mechanism necessary?  */
+#undef MD_UNWIND_SUPPORT