config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from list of obsolete configurations.

	gcc:
	* config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
	list of obsolete configurations.
	Disabled check for obsolete configurations.
	(mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
	Removed support for previous versions.
	* config/mips/iris.h: Removed.
	* config/mips/iris5.h: Removed.
	* config/mips/iris6.h: Merged old iris.h contents.
	(TARGET_IRIX): Removed.
	(DRIVER_SELF_SPECS): Removed mabi=32.
	(IDENT_ASM_OP): Removed undef.
	(STARTFILE_SPEC): Removed mabi=32.
	(ENDFILE_SPEC): Likewise.
	(IRIX_SUBTARGET_LINK_SPEC): Likewise.
	(MACHINE_TYPE): Update for IRIX 6.5.
	* config/mips/mips.c (mips_build_builtin_va_list): Replaced
	TARGET_IRIX by TARGET_IRIX6.
	(mips_file_start): Likewise.
	(mips_output_external): Remove IRIX 5/6 O32 support.
	(mips_output_function_prologue): Likewise.
	* config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
	TARGET_IRIX6.
	(TARGET_CPU_CPP_BUILTINS): Likewise.
	(TARGET_IRIX): Removed.
	* config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
	(MULTILIB_DIRNAMES): Removed 32.
	(MULTILIB_OSDIRNAMES): Removed ../lib.
	* doc/install.texi (Prerequisites): Don't reference IRIX before
	6.5.
	(Specific, mips-sgi-irix5): Document removal.
	(Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
	removal.
	Remove references to older IRIX 6 releases and the O32 ABI.

	gcc/ada:
	* gcc-interface/Makefile.in: Removed mips-sgi-irix5* support.

	libstdc++-v3:
	* configure.host: Removed irix[1-6], irix[1-5].*, irix6.[0-4]*
	support.
	* config/os/irix/irix5.2: Removed.

From-SVN: r159121

1 files changed, 16 insertions, 37 deletions

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 73be715..6b5a339 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -208,18 +208,16 @@ xm_file=
 md_file=
 
 # Obsolete configurations.
-case ${target} in
-   mips-sgi-irix5*			\
- | mips-sgi-irix6.[0-4]*		\
- )
-    if test "x$enable_obsolete" != xyes; then
-      echo "*** Configuration ${target} is obsolete." >&2
-      echo "*** Specify --enable-obsolete to build it anyway." >&2
-      echo "*** Support will be REMOVED in the next major release of GCC," >&2
-      echo "*** unless a maintainer comes forward." >&2
-      exit 1
-    fi;;
-esac
+#case ${target} in
+# )
+#    if test "x$enable_obsolete" != xyes; then
+#      echo "*** Configuration ${target} is obsolete." >&2
+#      echo "*** Specify --enable-obsolete to build it anyway." >&2
+#      echo "*** Support will be REMOVED in the next major release of GCC," >&2
+#      echo "*** unless a maintainer comes forward." >&2
+#      exit 1
+#    fi;;
+#esac
 
 # Unsupported targets list.  Do not put an entry in this list unless
 # it would otherwise be caught by a more permissive pattern.  The list
@@ -1668,32 +1666,13 @@ mep-*-*)
 	fi
 	use_gcc_stdint=wrap
 	;;
-mips-sgi-irix[56]*)
-	tm_file="elfos.h ${tm_file} mips/iris.h"
-	tmake_file="mips/t-iris mips/t-slibgcc-irix"
+mips-sgi-irix6.5*)
+	tm_file="elfos.h ${tm_file} mips/iris6.h"
+	tmake_file="mips/t-iris mips/t-iris6 mips/t-slibgcc-irix"
 	target_cpu_default="MASK_ABICALLS"
-	case ${target} in
-	*-*-irix5*)
-		tm_file="${tm_file} mips/iris5.h"
-		use_gcc_stdint=provide
-		;;
-
-	*-*-irix6*)
-		tm_file="${tm_file} mips/iris6.h"
-		tmake_file="${tmake_file} mips/t-iris6"
-		tm_defines="${tm_defines} MIPS_ISA_DEFAULT=3 MIPS_ABI_DEFAULT=ABI_N32"
-		case ${target} in
-		*-*-irix6.[0-4]*)
-			use_gcc_stdint=provide
-			;;
-		*-*-irix6.5*)
-			# Only IRIX Development Foundation 1.3 for IRIX 6.5
-			# provides stdint.h.
-			use_gcc_stdint=wrap
-			;;
-		esac
-		;;
-	esac
+	tm_defines="${tm_defines} MIPS_ISA_DEFAULT=3 MIPS_ABI_DEFAULT=ABI_N32"
+	# Only IRIX Development Foundation 1.3 for IRIX 6.5 provides stdint.h.
+	use_gcc_stdint=wrap
 	if test "x$stabs" = xyes
 	then
 		tm_file="${tm_file} dbx.h mips/dbxmdebug.h"