Add AC_CANONICAL_SYSTEM to configure.ac.

2010-10-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/45951
	* configure.ac: Add AC_CANONICAL_SYSTEM.
	* configure: Regenerated.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165214 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 91 insertions, 39 deletions

diff --git a/lto-plugin/ChangeLog b/lto-plugin/ChangeLog
index 9caad6aab54..585b56d31c2 100644
--- a/lto-plugin/ChangeLog
+++ b/lto-plugin/ChangeLog
@@ -1,3 +1,9 @@
+2010-10-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR bootstrap/45951
+	* configure.ac: Add AC_CANONICAL_SYSTEM.
+	* configure: Regenerated.
+
 2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	* configure.ac: Source config.gcc to determine lto_binary_reader.
diff --git a/lto-plugin/configure b/lto-plugin/configure
index 1e4041bc7e7..9a53cea2c78 100755
--- a/lto-plugin/configure
+++ b/lto-plugin/configure
@@ -621,10 +621,6 @@ FGREP
 EGREP
 GREP
 SED
-host_os
-host_vendor
-host_cpu
-host
 LIBTOOL
 LIBELFINC
 LIBELFLIBS
@@ -674,6 +670,14 @@ target_subdir
 host_subdir
 build_subdir
 build_libsubdir
+target_os
+target_vendor
+target_cpu
+target
+host_os
+host_vendor
+host_cpu
+host
 build_os
 build_vendor
 build_cpu
@@ -1347,6 +1351,7 @@ Program names:
 System types:
   --build=BUILD     configure for building on BUILD [guessed]
   --host=HOST       cross-compile to build programs to run on HOST [BUILD]
+  --target=TARGET   configure for building compilers for TARGET [HOST]
 _ACEOF
 fi
 
@@ -2198,6 +2203,79 @@ IFS=$ac_save_IFS
 case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if test "${ac_cv_host+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
+$as_echo_n "checking target system type... " >&6; }
+if test "${ac_cv_target+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "x$target_alias" = x; then
+  ac_cv_target=$ac_cv_host
+else
+  ac_cv_target=`$SHELL "$ac_aux_dir/config.sub" $target_alias` ||
+    as_fn_error "$SHELL $ac_aux_dir/config.sub $target_alias failed" "$LINENO" 5
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
+$as_echo "$ac_cv_target" >&6; }
+case $ac_cv_target in
+*-*-*) ;;
+*) as_fn_error "invalid value of canonical target" "$LINENO" 5;;
+esac
+target=$ac_cv_target
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_target
+shift
+target_cpu=$1
+target_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+target_os=$*
+IFS=$ac_save_IFS
+case $target_os in *\ *) target_os=`echo "$target_os" | sed 's/ /-/g'`;; esac
+
+
+# The aliases save the names the user supplied, while $host etc.
+# will get canonicalized.
+test -n "$target_alias" &&
+  test "$program_prefix$program_suffix$program_transform_name" = \
+    NONENONEs,x,x, &&
+  program_prefix=${target_alias}-
+
  case ${build_alias} in
   "") build_noncanonical=${build} ;;
   *) build_noncanonical=${build_alias} ;;
@@ -3924,39 +4002,6 @@ macro_revision='1.3134'
 
 ltmain="$ac_aux_dir/ltmain.sh"
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "x$host_alias" = x; then
-  ac_cv_host=$ac_cv_build
-else
-  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
-case $ac_cv_host in
-*-*-*) ;;
-*) as_fn_error "invalid value of canonical host" "$LINENO" 5;;
-esac
-host=$ac_cv_host
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_host
-shift
-host_cpu=$1
-host_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-host_os=$*
-IFS=$ac_save_IFS
-case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
-
-
 # Backslashify metacharacters that are still active within
 # double-quoted strings.
 sed_quote_subst='s/\(["`$\\]\)/\\\1/g'
@@ -10398,7 +10443,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10401 "configure"
+#line 10446 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10504,7 +10549,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10507 "configure"
+#line 10552 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/lto-plugin/configure.ac b/lto-plugin/configure.ac
index c43b26434e8..4d9380ecab8 100644
--- a/lto-plugin/configure.ac
+++ b/lto-plugin/configure.ac
@@ -1,5 +1,6 @@
 AC_PREREQ(2.64)
 AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin])
+AC_CANONICAL_SYSTEM
 GCC_TOPLEV_SUBDIRS
 AM_INIT_AUTOMAKE([foreign no-dist])
 AM_MAINTAINER_MODE