re PR target/9316 (powerpc-rtems/extending multilibs)

2003-01-30	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	PR target/9316
	* config/rs6000/rtems.h: Add CPP_OS_DEFAULT_SPEC.
	* config/rs6000/sysv4.h: Add CPP_OS_RTEMS_SPEC.
	* config/rs6000/t-rtems: New file. multilib variants to match OS.
	* config.gcc (powerpc-*-rtems*): Use rs6000/t-rtems instead of
	rs6000/t-ppcgas so we get the desired multilibs.

From-SVN: r62139

gcc/ChangeLog

+2003-01-30	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
+
+	PR target/9316 
+	* config/rs6000/rtems.h: Add CPP_OS_DEFAULT_SPEC.
+	* config/rs6000/sysv4.h: Add CPP_OS_RTEMS_SPEC.
+	* config/rs6000/t-rtems: New file. multilib variants to match OS.
+	* config.gcc (powerpc-*-rtems*): Use rs6000/t-rtems instead of
+	rs6000/t-ppcgas so we get the desired multilibs.
+
 2003-01-30  Nick Clifton  <nickc@redhat.com>
 
 	* config/arm/arm.c (arm_output_epilogue): Update stack pointer

gcc/config.gcc

@@ -2042,7 +2042,7 @@ powerpc-*-eabi*)
 powerpc-*-rtems*)
 	xm_defines=POSIX
 	tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/eabi.h rs6000/rtems.h rtems.h"
-	tmake_file="rs6000/t-fprules rs6000/t-ppcgas t-rtems rs6000/t-ppccomm"
+	tmake_file="rs6000/t-fprules rs6000/t-rtems t-rtems rs6000/t-ppccomm"
 	if test x$enable_threads = xyes; then
 	  thread_file='rtems'
 	fi

gcc/config/rs6000/rtems.h

 /* Definitions for rtems targeting a PowerPC using elf.
-   Copyright (C) 1996, 1997, 2000, 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
    Contributed by Joel Sherrill (joel@OARcorp.com).
 
 This file is part of GNU CC.
@@ -32,3 +32,6 @@ Boston, MA 02111-1307, USA.  */
       builtin_assert ("machine=powerpc"); \
     }                                     \
   while (0)
+
+#undef CPP_OS_DEFAULT_SPEC
+#define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)"