config.host: New file.

	* config.host: New file.
	* config.gcc: Remove some host-specific stuff and some
	logic needed only for repeated invocation.
	* configure.in: Use config.host.
	* configure: Regenerate.

From-SVN: r70975

gcc/ChangeLog

+2003-09-01  Nathanael Nerode  <neroden@gcc.gnu.org>
+
+	* config.host: New file.
+	* config.gcc: Remove some host-specific stuff and some
+	logic needed only for repeated invocation.
+	* configure.in: Use config.host.
+	* configure: Regenerate.
+
 2003-09-01  Josef Zlomek  <zlomekj@suse.cz>
 
 	* c-typeck.c (build_binary_op): Kill BIT_ANDTC_EXPR.

gcc/config.gcc

-# GCC host- and target-specific configuration file.
+# GCC target-specific configuration file.
 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
 # Free Software Foundation, Inc.
 
@@ -19,13 +19,11 @@
 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #02111-1307, USA.
 
-# This is the GCC host- and target-specific configuration file
-# where a configuration type, as recognized and generated by config.bfd,
-# is mapped to different system-specific definitions and files.  This is
-# invoked by the autoconf-generated configure script, called for
-# host and target in that order, setting ${machine} to each.  Putting it
-# in a separate shell file lets us skip running autoconf when modifying
-# host- and target-specific information.
+# This is the GCC target-specific configuration file
+# where a configuration type is mapped to different system-specific
+# definitions and files.  This is invoked by the autoconf-generated
+# configure script.  Putting it in a separate shell file lets us skip
+# running autoconf when modifying target-specific information.
 
 # This file switches on the shell variable ${machine}, and also uses the
 # following shell variables:
@@ -2176,11 +2174,7 @@ am33_2.0-*-linux*)
 esac
 
 # Support for --with-cpu and related options (and a few unrelated options,
-# too).  Only do this if $machine is the target, or we'll try to validate
-# the CPU argument against the wrong machine type.
-
-if test "x$pass2done" = xyes
-then
+# too).
 	case "x$with_cpu" in
 	xyes | xno)
 		echo "--with-cpu must be passed a value" 1>&2
@@ -2693,18 +2687,3 @@ then
 			target_cpu_default=$target_cpu_default2
 		fi
 	fi
-fi
-
-# Save data on host machine in vars host_xm_file and host_xmake_file.
-if test x$pass2done = x ; then
-  if test x$xm_file != x ; then
-    host_xm_file=$xm_file
-  fi
-  host_xm_defines=$xm_defines
-  host_xmake_file="$xmake_file"
-  host_extra_gcc_objs=$extra_gcc_objs
-  host_extra_objs=$extra_host_objs
-  host_exeext=$exeext
-  out_host_hook_obj=$host_hook_obj
-  pass2done=yes
-fi

gcc/configure.in

@@ -965,17 +965,13 @@ fi
 # Collect build-machine-specific information.
 . ${srcdir}/config.build
 
+# Collect host-machine-specific information.
+. ${srcdir}/config.host
+
 target_gtfiles=
-host_xm_file=
-host_xm_defines=
-host_xmake_file=
-host_exeext=
-
-# Decode the host machine, then the target machine.
-# For the host machine, we save the xm_file variable as host_xm_file;
-# then we decode the target machine and forget everything else
-# that came from the host machine.
-for machine in $host $target; do
+
+# Collect target-machine-specific information.
+for machine in $target ; do
 	. ${srcdir}/config.gcc
 done