config.gcc (sparc-*-sysv4*): Add sparc/sysv4-only.h.

	* config.gcc (sparc-*-sysv4*): Add sparc/sysv4-only.h.
	* sparc/aout.h, sparc/elf.h, sparc/freebsd.h, sparc/linux.h,
	sparc/linux64.h, sparc/lite.h, sparc/litecoff.h, sparc/liteelf.h,
	sparc/netbsd-elf.h, sparc/openbsd.h, sparc/openbsd64.h,
	sparc/pbd.h, sparc/rtemself.h, sparc/sol2-64.h, sparc/sol2-bi.h,
	sparc/sol2.h, sparc/sp64-elf.h, sparc/sp86-elf.h, sparc/sparc.h,
	sparc/sysv4.h,
	* sparc/sysv4-only.h: New.

From-SVN: r66902

23 files changed, 176 insertions, 76 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3187e09..d795666 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,14 @@
+2003-05-17  Neil Booth  <neil@daikokuya.co.uk>
+
+	* config.gcc (sparc-*-sysv4*): Add sparc/sysv4-only.h.
+	* sparc/aout.h, sparc/elf.h, sparc/freebsd.h, sparc/linux.h,
+	sparc/linux64.h, sparc/lite.h, sparc/litecoff.h, sparc/liteelf.h,
+	sparc/netbsd-elf.h, sparc/openbsd.h, sparc/openbsd64.h,
+	sparc/pbd.h, sparc/rtemself.h, sparc/sol2-64.h, sparc/sol2-bi.h,
+	sparc/sol2.h, sparc/sp64-elf.h, sparc/sp86-elf.h, sparc/sparc.h,
+	sparc/sysv4.h,
+	* sparc/sysv4-only.h: New.
+
 2003-05-17  Alan Modra  <amodra@bigpond.net.au>
 
 	* function.c (assign_parms): Check for zero size args.
diff --git a/gcc/config.gcc b/gcc/config.gcc
index b1c55ed..b8ceb03 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1948,7 +1948,7 @@ sparc-*-solaris2*)
 	fi
 	;;
 sparc-*-sysv4*)
-	tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h"
+	tm_file="${tm_file} dbxelf.h elfos.h svr4.h sparc/sysv4.h sparc/sysv4-only.h"
 	tmake_file=t-svr4
 	extra_parts="crtbegin.o crtend.o"
 	;;
diff --git a/gcc/config/sparc/aout.h b/gcc/config/sparc/aout.h
index 7532281..b4727b6 100644
--- a/gcc/config/sparc/aout.h
+++ b/gcc/config/sparc/aout.h
@@ -23,14 +23,6 @@ Boston, MA 02111-1307, USA.  */
 
 #define TARGET_VERSION fprintf (stderr, " (sparc)");
 
-/* Names to predefine in the preprocessor for this target machine.
-   ??? It would be nice to not include any subtarget specific values here,
-   however there's no way to portably provide subtarget values to
-   CPP_PREFINES.  Also, -D values in CPP_SUBTARGET_SPEC don't get turned into
-   foo, __foo and __foo__.  */
-
-#define CPP_PREDEFINES "-Dsparc -Acpu=sparc -Amachine=sparc"
-
 /* These compiler options take an argument.  We ignore -target for now.  */
 
 #define WORD_SWITCH_TAKES_ARG(STR)				\
diff --git a/gcc/config/sparc/elf.h b/gcc/config/sparc/elf.h
index d2d3a0b..04e7b63 100644
--- a/gcc/config/sparc/elf.h
+++ b/gcc/config/sparc/elf.h
@@ -19,9 +19,6 @@ 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.  */
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc -D__elf__"
-
 #undef STARTFILE_SPEC
 #define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
 
diff --git a/gcc/config/sparc/freebsd.h b/gcc/config/sparc/freebsd.h
index bec5a23..1e39a27 100644
--- a/gcc/config/sparc/freebsd.h
+++ b/gcc/config/sparc/freebsd.h
@@ -24,10 +24,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #undef  CPP_CPU64_DEFAULT_SPEC
 #define CPP_CPU64_DEFAULT_SPEC "-D__sparc64__ -D__sparc_v9__ -D__arch64__"
 
-/* Because we include sparc/sysv4.h.  */
-#undef  CPP_PREDEFINES
-/* Do not define it here, we now use TARGET_OS_CPP_BUILTINS.  */
-
 #define LINK_SPEC "%(link_arch)						\
   %{!mno-relax:%{!r:-relax}}						\
   %{p:%nconsider using `-pg' instead of `-p' with gprof(1)}				\
diff --git a/gcc/config/sparc/linux.h b/gcc/config/sparc/linux.h
index 2879c64..4d33a33 100644
--- a/gcc/config/sparc/linux.h
+++ b/gcc/config/sparc/linux.h
@@ -19,6 +19,18 @@ 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.  */
 
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define_std ("unix");		\
+	builtin_define_std ("linux");		\
+	builtin_define ("__gnu_linux__");	\
+	builtin_define ("__ELF__");		\
+	builtin_assert ("system=unix");		\
+	builtin_assert ("system=posix");	\
+    }						\
+  while (0)
+
 #define LINUX_DEFAULT_ELF
 
 /* Don't assume anything about the header files.  */
@@ -98,9 +110,6 @@ Boston, MA 02111-1307, USA.  */
 #undef WCHAR_TYPE_SIZE
 #define WCHAR_TYPE_SIZE 32
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__ELF__ -Dunix -D__sparc__ -D__gnu_linux__ -Dlinux -Asystem=unix -Asystem=posix"
-
 #undef CPP_SUBTARGET_SPEC
 #ifdef USE_GNULIBC_1
 #define CPP_SUBTARGET_SPEC \
diff --git a/gcc/config/sparc/linux64.h b/gcc/config/sparc/linux64.h
index 40fd232..3f7f6ca 100644
--- a/gcc/config/sparc/linux64.h
+++ b/gcc/config/sparc/linux64.h
@@ -19,6 +19,19 @@ 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.  */
 
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define_std ("unix");		\
+	builtin_define_std ("linux");		\
+	builtin_define ("_LONGLONG");		\
+	builtin_define ("__gnu_linux__");	\
+	builtin_define ("__ELF__");		\
+	builtin_assert ("system=unix");		\
+	builtin_assert ("system=posix");	\
+    }						\
+  while (0)
+
 #define LINUX_DEFAULT_ELF
 
 /* Don't assume anything about the header files.  */
@@ -43,8 +56,7 @@ Boston, MA 02111-1307, USA.  */
 #ifdef SPARC_BI_ARCH
 
 #undef CPP_ARCH32_SPEC
-#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__} \
--D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc"
+#define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__}"
 
 #endif
 
@@ -111,9 +123,6 @@ Boston, MA 02111-1307, USA.  */
 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
 #endif
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__ELF__ -Dunix -D_LONGLONG -D__sparc__ -D__gnu_linux__ -Dlinux -Asystem=unix -Asystem=posix"
-
 #undef CPP_SUBTARGET_SPEC
 #define CPP_SUBTARGET_SPEC "\
 %{fPIC:-D__PIC__ -D__pic__} \
diff --git a/gcc/config/sparc/lite.h b/gcc/config/sparc/lite.h
index 95da781..b314f43 100644
--- a/gcc/config/sparc/lite.h
+++ b/gcc/config/sparc/lite.h
@@ -19,9 +19,6 @@ 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.  */
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc -Dsparclite -Acpu=sparc -Amachine=sparc"
-
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (sparclite)");
 
diff --git a/gcc/config/sparc/litecoff.h b/gcc/config/sparc/litecoff.h
index 91808f5..65f065d 100644
--- a/gcc/config/sparc/litecoff.h
+++ b/gcc/config/sparc/litecoff.h
@@ -21,8 +21,13 @@ Boston, MA 02111-1307, USA.  */
 
 #define BSS_SECTION_ASM_OP	"\t.section\t\".bss\""
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc -Dsparclite -Acpu=sparc -Amachine=sparc"
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define_std ("sparc");		\
+	builtin_define_std ("sparclite");	\
+    }						\
+  while (0)
 
 /* Default to stabs in COFF.  */
 
diff --git a/gcc/config/sparc/liteelf.h b/gcc/config/sparc/liteelf.h
index 9b6cbaa..04ad6e1 100644
--- a/gcc/config/sparc/liteelf.h
+++ b/gcc/config/sparc/liteelf.h
@@ -19,8 +19,12 @@ 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.  */
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__sparc__ -D__sparclite__ -Acpu=sparc -Amachine=sparc"
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define ("__sparclite__");	\
+    }						\
+  while (0)
 
 /* Default to dwarf2 in ELF.  */
 
diff --git a/gcc/config/sparc/netbsd-elf.h b/gcc/config/sparc/netbsd-elf.h
index 65901c8..0f0d6fc 100644
--- a/gcc/config/sparc/netbsd-elf.h
+++ b/gcc/config/sparc/netbsd-elf.h
@@ -39,9 +39,6 @@ Boston, MA 02111-1307, USA.  */
 #undef MD_EXEC_PREFIX
 #undef MD_STARTFILE_PREFIX
 
-/* Make sure this is undefined.  */
-#undef CPP_PREDEFINES
-
 /* CPP defines used by all NetBSD targets.  */
 #undef CPP_SUBTARGET_SPEC
 #define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
diff --git a/gcc/config/sparc/openbsd.h b/gcc/config/sparc/openbsd.h
index a4333df..814ccdf 100644
--- a/gcc/config/sparc/openbsd.h
+++ b/gcc/config/sparc/openbsd.h
@@ -22,8 +22,16 @@ Boston, MA 02111-1307, USA.  */
 #define OBSD_OLD_GAS
 #include <openbsd.h>
 
-/* Run-time target specifications.  */
-#define CPP_PREDEFINES "-D__unix__ -D__sparc__ -D__OpenBSD__ -Asystem=unix -Asystem=OpenBSD -Acpu=sparc -Amachine=sparc"
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define ("__unix__");		\
+	builtin_define ("__OpenBSD__");		\
+	builtin_assert ("system=unix");		\
+	builtin_assert ("system=OpenBSD");	\
+    }						\
+  while (0)
 
 /* Layout of source language data types */
 
diff --git a/gcc/config/sparc/openbsd64.h b/gcc/config/sparc/openbsd64.h
index 4dfe381..78c2fad 100644
--- a/gcc/config/sparc/openbsd64.h
+++ b/gcc/config/sparc/openbsd64.h
@@ -30,9 +30,22 @@ Boston, MA 02111-1307, USA.  */
 #undef SPARC_DEFAULT_CMODEL
 #define SPARC_DEFAULT_CMODEL CM_MEDMID
 
-/* Run-time target specifications.  */
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__unix__ -D__sparc__ -D__sparc64__ -D__sparcv9__ -D__sparc_v9__ -D__arch64__ -D__ELF__ -D__OpenBSD__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(sparc) -Amachine(sparc)"
+/* Target OS builtins.  */
+#undef TARGET_OS_CPP_BUILTINS	 /* Defined in sp64-elf.h.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define ("__unix__");		\
+	builtin_define ("__OpenBSD__");		\
+	builtin_assert ("system=unix");		\
+	builtin_assert ("system=OpenBSD");	\
+	builtin_define ("__sparc64__");		\
+	builtin_define ("__sparcv9__");		\
+	builtin_define ("__sparc_v9__");	\
+	builtin_define ("__arch64__");		\
+	builtin_define ("__ELF__");		\
+    }						\
+  while (0)
 
 #undef CPP_SUBTARGET_SPEC
 #define CPP_SUBTARGET_SPEC ""
diff --git a/gcc/config/sparc/pbd.h b/gcc/config/sparc/pbd.h
index dd47b36..45675b1 100644
--- a/gcc/config/sparc/pbd.h
+++ b/gcc/config/sparc/pbd.h
@@ -19,11 +19,15 @@ 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.  */
 
-
-/* Names to predefine in the preprocessor for this target machine.  */
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc -DUnicomPBD -Dunix -D__GCC_NEW_VARARGS__ -Asystem=unix -Acpu=sparc -Amachine=sparc"
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define_std ("unix");		\
+	builtin_define_std ("UnicomPBD");	\
+	builtin_assert ("system=unix");		\
+    }						\
+  while (0)
 
 /* We want DBX format for use with gdb under COFF.  */
 
diff --git a/gcc/config/sparc/rtemself.h b/gcc/config/sparc/rtemself.h
index 4f2cc66..3bd9571 100644
--- a/gcc/config/sparc/rtemself.h
+++ b/gcc/config/sparc/rtemself.h
@@ -19,8 +19,13 @@ 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.  */
 
-/* Specify predefined symbols in preprocessor.  */
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc -D__GCC_NEW_VARARGS__ -D__rtems__ \
-  -D__USE_INIT_FINI__ -Asystem=rtems"
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define_std ("sparc");		\
+	builtin_define ("__rtems__");		\
+	builtin_define ("__USE_INIT_FINI__");	\
+	builtin_assert ("system=rtems");	\
+    }						\
+  while (0)
diff --git a/gcc/config/sparc/sol2-64.h b/gcc/config/sparc/sol2-64.h
index ccdc8f3..18e1742 100644
--- a/gcc/config/sparc/sol2-64.h
+++ b/gcc/config/sparc/sol2-64.h
@@ -5,3 +5,11 @@
 #define TARGET_DEFAULT \
   (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ + \
    MASK_STACK_BIAS + MASK_FPU + MASK_LONG_DOUBLE_128)
+
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define_std ("sparc");		\
+    }						\
+  while (0)
diff --git a/gcc/config/sparc/sol2-bi.h b/gcc/config/sparc/sol2-bi.h
index 3f9416d..8c0d472 100644
--- a/gcc/config/sparc/sol2-bi.h
+++ b/gcc/config/sparc/sol2-bi.h
@@ -98,11 +98,9 @@
 #define WINT_TYPE_SIZE 32
 
 #undef CPP_ARCH32_SPEC
-#define CPP_ARCH32_SPEC "\
--D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc"
+#define CPP_ARCH32_SPEC ""
 #undef CPP_ARCH64_SPEC
-#define CPP_ARCH64_SPEC "\
--D__arch64__ -Acpu=sparc64 -Amachine=sparcv9 -D__sparcv9"
+#define CPP_ARCH64_SPEC "-D__arch64__ -D__sparcv9"
 
 #undef CPP_ARCH_SPEC
 #define CPP_ARCH_SPEC "\
diff --git a/gcc/config/sparc/sol2.h b/gcc/config/sparc/sol2.h
index e22bdcf..b026356 100644
--- a/gcc/config/sparc/sol2.h
+++ b/gcc/config/sparc/sol2.h
@@ -23,9 +23,6 @@ Boston, MA 02111-1307, USA.  */
 
 /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc"
-
 /* This is here rather than in sparc.h because it's not known what
    other assemblers will accept.  */
 
diff --git a/gcc/config/sparc/sp64-elf.h b/gcc/config/sparc/sp64-elf.h
index 18187dc..652e7339 100644
--- a/gcc/config/sparc/sp64-elf.h
+++ b/gcc/config/sparc/sp64-elf.h
@@ -38,8 +38,14 @@ Boston, MA 02111-1307, USA.  */
 #undef SPARC_DEFAULT_CMODEL
 #define SPARC_DEFAULT_CMODEL CM_EMBMEDANY
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dsparc -D__ELF__ -Acpu=sparc -Amachine=sparc"
+/* Target OS builtins.  */
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define_std ("sparc");		\
+	builtin_define ("__ELF__");		\
+    }						\
+  while (0)
 
 /* __svr4__ is used by the C library (FIXME) */
 #undef CPP_SUBTARGET_SPEC
diff --git a/gcc/config/sparc/sp86x-elf.h b/gcc/config/sparc/sp86x-elf.h
index cb7e8c3..86aa4db 100644
--- a/gcc/config/sparc/sp86x-elf.h
+++ b/gcc/config/sparc/sp86x-elf.h
@@ -19,8 +19,13 @@ 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.  */
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__sparc__ -D__sparclite86x__ -Acpu=sparc -Amachine=sparc"
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define ("__sparclite86x__");	\
+	builtin_define ("__ELF__");		\
+    }						\
+  while (0)
 
 /* Default to dwarf2 in ELF.  */
 
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
index f3a3ce3..0531148 100644
--- a/gcc/config/sparc/sparc.h
+++ b/gcc/config/sparc/sparc.h
@@ -25,6 +25,24 @@ Boston, MA 02111-1307, USA.  */
 /* Note that some other tm.h files include this one and then override
    whatever definitions are necessary.  */
 
+/* Target CPU builtins.  */
+#define TARGET_CPU_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define ("__sparc__");		\
+	if (TARGET_64BIT)			\
+	  { 					\
+	    builtin_assert ("cpu=sparc");	\
+	    builtin_assert ("machine=sparc");	\
+	  }					\
+	else					\
+	  { 					\
+	    builtin_assert ("cpu=sparc64");	\
+	    builtin_assert ("machine=sparc64");	\
+	  }					\
+    }						\
+  while (0)
+
 /* Specify this in a cover file to provide bi-architecture (32/64) support.  */
 /* #define SPARC_BI_ARCH */
 
@@ -239,15 +257,8 @@ extern enum cmodel sparc_cmodel;
 %{mcpu=ultrasparc3:-D__sparc_v9__} \
 %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:%(cpp_cpu_default)}}}}}}} \
 "
-
-/* ??? The GCC_NEW_VARARGS macro is now obsolete, because gcc always uses
-   the right varags.h file when bootstrapping.  */
-/* ??? It's not clear what value we want to use for -Acpu/machine for
-   sparc64 in 32 bit environments, so for now we only use `sparc64' in
-   64 bit environments.  */
-
-#define CPP_ARCH32_SPEC "-D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc"
-#define CPP_ARCH64_SPEC "-D__arch64__ -Acpu=sparc64 -Amachine=sparc64"
+#define CPP_ARCH32_SPEC ""
+#define CPP_ARCH64_SPEC "-D__arch64__"
 
 #define CPP_ARCH_DEFAULT_SPEC \
 (DEFAULT_ARCH32_P ? CPP_ARCH32_SPEC : CPP_ARCH64_SPEC)
diff --git a/gcc/config/sparc/sysv4-only.h b/gcc/config/sparc/sysv4-only.h
new file mode 100644
index 0000000..a283a22
--- /dev/null
+++ b/gcc/config/sparc/sysv4-only.h
@@ -0,0 +1,35 @@
+/* Target macros for GNU compiler for SPARC running System V.4
+   Copyright (C) 2003
+   Free Software Foundation, Inc.
+
+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 2, 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 COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Provide a set of pre-definitions and pre-assertions appropriate for
+   the SPARC running svr4.  __svr4__ is our extension.  */
+
+/* Target OS builtins.  */			\
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	builtin_define_std ("sparc");		\
+	builtin_define_std ("unix");		\
+	builtin_define ("__svr4__");		\
+	builtin_assert ("system=unix");		\
+	builtin_assert ("system=svr4");		\
+    }						\
+  while (0)
diff --git a/gcc/config/sparc/sysv4.h b/gcc/config/sparc/sysv4.h
index 0543b46..1d153c0 100644
--- a/gcc/config/sparc/sysv4.h
+++ b/gcc/config/sparc/sysv4.h
@@ -48,13 +48,6 @@ Boston, MA 02111-1307, USA.  */
 #undef SKIP_ASM_OP
 #undef SET_ASM_OP	/* Has no equivalent.  See ASM_OUTPUT_DEF below.  */
 
-/* Provide a set of pre-definitions and pre-assertions appropriate for
-   the SPARC running svr4.  __svr4__ is our extension.  */
-
-#undef  CPP_PREDEFINES
-#define CPP_PREDEFINES \
-"-Dsparc -Dunix -D__svr4__ -Asystem=unix -Asystem=svr4"
-
 /* The native assembler can't compute differences between symbols in different
    sections when generating pic code, so we must put jump tables in the
    text section.  */