* sysdeps/x86_64/strlen.S: Optimize by using SSE2 instructions.

4 files changed, 2791 insertions, 3686 deletions

diff --git a/ChangeLog b/ChangeLog
index e35e366f7b..904419931b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-04-05  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/x86_64/strlen.S: Optimize by using SSE2 instructions.
+
 2009-04-03  Ulrich Drepper  <drepper@redhat.com>
 
 	* configure.in: We need to test for the compiler earlier.
diff --git a/NEWS b/NEWS
index a91af3bfea..bd78983f53 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-GNU C Library NEWS -- history of user-visible changes.  2009-4-3
+GNU C Library NEWS -- history of user-visible changes.  2009-4-5
 Copyright (C) 1992-2008, 2009 Free Software Foundation, Inc.
 See the end for copying conditions.
 
@@ -37,6 +37,9 @@ Version 2.10
 
 * New locale: nan_TW@latin
 
+* Faster strlen on x86-64.
+  Implemented by Ulrich Drepper.
+
 
 Version 2.9
 
diff --git a/configure b/configure
index 482e44c1f3..fe08e232e9 100755
--- a/configure
+++ b/configure
@@ -1,12 +1,12 @@
 #! /bin/sh
 # From configure.in CVSid.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.63 for GNU C Library (see version.h).
+# Generated by GNU Autoconf 2.61 for GNU C Library (see version.h).
 #
 # Report bugs to <glibc>.
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
 ## --------------------- ##
@@ -18,7 +18,7 @@ DUALCASE=1; export DUALCASE # for MKS sh
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
@@ -40,45 +40,17 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-as_nl='
-'
-export as_nl
-# Printing a long string crashes Solaris 7 /usr/bin/printf.
-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
-  as_echo='printf %s\n'
-  as_echo_n='printf %s'
-else
-  if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
-    as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"'
-    as_echo_n='/usr/ucb/echo -n'
-  else
-    as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
-    as_echo_n_body='eval
-      arg=$1;
-      case $arg in
-      *"$as_nl"*)
-	expr "X$arg" : "X\\(.*\\)$as_nl";
-	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
-      esac;
-      expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
-    '
-    export as_echo_n_body
-    as_echo_n='sh -c $as_echo_n_body as_echo'
-  fi
-  export as_echo_body
-  as_echo='sh -c $as_echo_body as_echo'
-fi
-
 # The user is always right.
 if test "${PATH_SEPARATOR+set}" != set; then
-  PATH_SEPARATOR=:
-  (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && {
-    (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 ||
-      PATH_SEPARATOR=';'
-  }
+  echo "#! /bin/sh" >conf$$.sh
+  echo  "exit 0"   >>conf$$.sh
+  chmod +x conf$$.sh
+  if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+    PATH_SEPARATOR=';'
+  else
+    PATH_SEPARATOR=:
+  fi
+  rm -f conf$$.sh
 fi
 
 # Support unset when possible.
@@ -94,6 +66,8 @@ fi
 # there to prevent editors from complaining about space-tab.
 # (If _AS_PATH_WALK were called with IFS unset, it would disable word
 # splitting by setting IFS to empty value.)
+as_nl='
+'
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
@@ -116,7 +90,7 @@ if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   { (exit 1); exit 1; }
 fi
 
@@ -129,10 +103,17 @@ PS2='> '
 PS4='+ '
 
 # NLS nuisances.
-LC_ALL=C
-export LC_ALL
-LANGUAGE=C
-export LANGUAGE
+for as_var in \
+  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+  LC_TELEPHONE LC_TIME
+do
+  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+    eval $as_var=C; export $as_var
+  else
+    ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+  fi
+done
 
 # Required to use basename.
 if expr a : '\(a\)' >/dev/null 2>&1 &&
@@ -154,7 +135,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
+echo X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -180,7 +161,7 @@ else
   as_have_required=no
 fi
 
-  if test $as_have_required = yes &&	 (eval ":
+  if test $as_have_required = yes && 	 (eval ":
 (as_func_return () {
   (exit \$1)
 }
@@ -262,7 +243,7 @@ IFS=$as_save_IFS
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
@@ -283,7 +264,7 @@ _ASEOF
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   emulate sh
   NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
+  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
@@ -363,10 +344,10 @@ fi
 
       if test "x$CONFIG_SHELL" != x; then
   for as_var in BASH_ENV ENV
-	do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-	done
-	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+        do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+        done
+        export CONFIG_SHELL
+        exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
 fi
 
 
@@ -435,10 +416,9 @@ fi
 
 test \$exitcode = 0") || {
   echo No shell found that supports shell functions.
-  echo Please tell bug-autoconf@gnu.org about your system,
-  echo including any error possibly output before this message.
-  echo This can help us improve future autoconf versions.
-  echo Configuration will now proceed without shell functions.
+  echo Please tell autoconf@gnu.org about your system,
+  echo including any error possibly output before this
+  echo message
 }
 
 
@@ -474,7 +454,7 @@ test \$exitcode = 0") || {
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+    { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
    { (exit 1); exit 1; }; }
 
   # Don't try to exec as it changes $[0], causing all sort of problems
@@ -502,6 +482,7 @@ case `echo -n x` in
 *)
   ECHO_N='-n';;
 esac
+
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -514,22 +495,19 @@ if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
 else
   rm -f conf$$.dir
-  mkdir conf$$.dir 2>/dev/null
-fi
-if (echo >conf$$.file) 2>/dev/null; then
-  if ln -s conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s='ln -s'
-    # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -p'.
-    ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
-      as_ln_s='cp -p'
-  elif ln conf$$.file conf$$ 2>/dev/null; then
-    as_ln_s=ln
-  else
+  mkdir conf$$.dir
+fi
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s='ln -s'
+  # ... but there are two gotchas:
+  # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+  # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+  # In both cases, we have to default to `cp -p'.
+  ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
     as_ln_s='cp -p'
-  fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+  as_ln_s=ln
 else
   as_ln_s='cp -p'
 fi
@@ -554,10 +532,10 @@ else
   as_test_x='
     eval sh -c '\''
       if test -d "$1"; then
-	test -d "$1/.";
+        test -d "$1/.";
       else
 	case $1 in
-	-*)set "./$1";;
+        -*)set "./$1";;
 	esac;
 	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
 	???[sx]*):;;*)false;;esac;fi
@@ -602,7 +580,6 @@ PACKAGE_STRING='GNU C Library (see version.h)'
 PACKAGE_BUGREPORT='glibc'
 
 ac_unique_file="include/features.h"
-enable_option_checking=no
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>
@@ -639,196 +616,161 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='LTLIBOBJS
-LIBOBJS
-RELEASE
-VERSION
-mach_interface_list
-DEFINES
-nopic_initfini
-static_nss
-bounded
-omitfp
-profile
-libc_cv_pic_default
-shared
-static
-xcoff
-elf
-ldd_rewrite_script
-use_ldconfig
-libc_cv_cpp_asm_debuginfo
-libc_cv_forced_unwind
-libc_cv_rootsbindir
-libc_cv_sysconfdir
-libc_cv_localedir
-libc_cv_slibdir
-old_glibc_headers
-uname_version
-uname_release
-uname_sysname
-libc_cv_gcc_unwind_find_fde
-sizeof_long_double
-EGREP
-GREP
-have_selinux
-have_libcap
-have_libaudit
-LIBGD
-libc_cv_cc_submachine
-exceptions
-no_whole_archive
-libc_cv_have_initfini
-libc_cv_gnu89_inline
-libc_cv_ssp
-fno_unit_at_a_time
-libc_cv_hashstyle
-libc_cv_fpie
-libc_cv_z_execstack
-libc_cv_z_combreloc
-ASFLAGS_config
-libc_cv_as_needed
-libc_cv_libgcc_s_suffix
-libc_cv_Bgroup
-libc_cv_cc_with_libunwind
-VERSIONING
-BISON
-INSTALL_INFO
-PERL
-AWK
-libc_cv_have_ksh
-KSH
-libc_cv_have_bash2
-BASH_SHELL
-libc_cv_gcc_static_libgcc
-CXX_SYSINCLUDES
-SYSINCLUDES
-AUTOCONF
-SED
-MAKEINFO
-MSGFMT
-MAKE
-PWD_P
-LD
-AS
-MIG
-RANLIB
-OBJDUMP
-AR
-ac_ct_CXX
-CXXFLAGS
-CXX
-CPP
-cross_compiling
-BUILD_CC
-LN_S
-INSTALL_DATA
-INSTALL_SCRIPT
-INSTALL_PROGRAM
-sysdeps_add_ons
-sysnames
-submachine
-base_machine
-add_on_subdirs
-add_ons
-subdirs
-host_os
-host_vendor
-host_cpu
-host
-build_os
-build_vendor
-build_cpu
-build
-libc_cv_nss_crypt
-OBJEXT
-ac_ct_CC
-CPPFLAGS
-LDFLAGS
-CFLAGS
-CC
-experimental_malloc
-multi_arch
-all_warnings
-force_install
-bindnow
-oldest_abi
-enable_check_abi
-with_cvs
-with_fp
-target_alias
-host_alias
-build_alias
-LIBS
-ECHO_T
-ECHO_N
-ECHO_C
-DEFS
-mandir
-localedir
-libdir
-psdir
-pdfdir
-dvidir
-htmldir
-infodir
-docdir
-oldincludedir
-includedir
-localstatedir
-sharedstatedir
-sysconfdir
-datadir
-datarootdir
-libexecdir
-sbindir
-bindir
-program_transform_name
-prefix
-exec_prefix
-PACKAGE_BUGREPORT
-PACKAGE_STRING
-PACKAGE_VERSION
-PACKAGE_TARNAME
-PACKAGE_NAME
+ac_subst_vars='SHELL
 PATH_SEPARATOR
-SHELL'
-ac_subst_files=''
-ac_user_opts='
-enable_option_checking
-with_gd
-with_gd_include
-with_gd_lib
+PACKAGE_NAME
+PACKAGE_TARNAME
+PACKAGE_VERSION
+PACKAGE_STRING
+PACKAGE_BUGREPORT
+exec_prefix
+prefix
+program_transform_name
+bindir
+sbindir
+libexecdir
+datarootdir
+datadir
+sysconfdir
+sharedstatedir
+localstatedir
+includedir
+oldincludedir
+docdir
+infodir
+htmldir
+dvidir
+pdfdir
+psdir
+libdir
+localedir
+mandir
+DEFS
+ECHO_C
+ECHO_N
+ECHO_T
+LIBS
+build_alias
+host_alias
+target_alias
+CC
+CFLAGS
+LDFLAGS
+CPPFLAGS
+ac_ct_CC
+OBJEXT
+BUILD_CC
+cross_compiling
+CPP
+CXX
+CXXFLAGS
+ac_ct_CXX
 with_fp
-with_binutils
-with_elf
-with_selinux
-with_xcoff
 with_cvs
-with_headers
-enable_sanity_checks
 enable_check_abi
-enable_shared
-enable_profile
-enable_omitfp
-enable_bounded
-enable_versioning
-enable_oldest_abi
-enable_stackguard_randomization
-enable_add_ons
-with_tls
-with___thread
-enable_hidden_plt
-enable_bind_now
-enable_static_nss
-enable_force_install
-enable_kernel
-enable_all_warnings
-enable_multi_arch
-enable_experimental_malloc
-enable_nss_crypt
-with_cpu
-'
+oldest_abi
+bindnow
+force_install
+all_warnings
+multi_arch
+experimental_malloc
+libc_cv_nss_crypt
+build
+build_cpu
+build_vendor
+build_os
+host
+host_cpu
+host_vendor
+host_os
+subdirs
+add_ons
+add_on_subdirs
+base_machine
+submachine
+sysnames
+sysdeps_add_ons
+INSTALL_PROGRAM
+INSTALL_SCRIPT
+INSTALL_DATA
+LN_S
+AR
+OBJDUMP
+RANLIB
+MIG
+AS
+LD
+PWD_P
+MAKE
+MSGFMT
+MAKEINFO
+SED
+AUTOCONF
+SYSINCLUDES
+CXX_SYSINCLUDES
+libc_cv_gcc_static_libgcc
+BASH_SHELL
+libc_cv_have_bash2
+KSH
+libc_cv_have_ksh
+AWK
+PERL
+INSTALL_INFO
+BISON
+VERSIONING
+libc_cv_cc_with_libunwind
+libc_cv_Bgroup
+libc_cv_libgcc_s_suffix
+libc_cv_as_needed
+ASFLAGS_config
+libc_cv_z_combreloc
+libc_cv_z_execstack
+libc_cv_fpie
+libc_cv_hashstyle
+fno_unit_at_a_time
+libc_cv_ssp
+libc_cv_gnu89_inline
+libc_cv_have_initfini
+no_whole_archive
+exceptions
+libc_cv_cc_submachine
+LIBGD
+have_libaudit
+have_libcap
+have_selinux
+GREP
+EGREP
+sizeof_long_double
+libc_cv_gcc_unwind_find_fde
+uname_sysname
+uname_release
+uname_version
+old_glibc_headers
+libc_cv_slibdir
+libc_cv_localedir
+libc_cv_sysconfdir
+libc_cv_rootsbindir
+libc_cv_forced_unwind
+libc_cv_cpp_asm_debuginfo
+use_ldconfig
+ldd_rewrite_script
+elf
+xcoff
+static
+shared
+libc_cv_pic_default
+profile
+omitfp
+bounded
+static_nss
+nopic_initfini
+DEFINES
+mach_interface_list
+VERSION
+RELEASE
+LIBOBJS
+LTLIBOBJS'
+ac_subst_files=''
       ac_precious_vars='build_alias
 host_alias
 target_alias
@@ -846,8 +788,6 @@ ac_subdirs_all=''
 # Initialize some variables set by options.
 ac_init_help=
 ac_init_version=false
-ac_unrecognized_opts=
-ac_unrecognized_sep=
 # The variables have the same names as the options, with
 # dashes changed to underlines.
 cache_file=/dev/null
@@ -946,21 +886,13 @@ do
     datarootdir=$ac_optarg ;;
 
   -disable-* | --disable-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+    ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
+    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
    { (exit 1); exit 1; }; }
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"enable_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--disable-$ac_useropt_orig"
-	 ac_unrecognized_sep=', ';;
-    esac
-    eval enable_$ac_useropt=no ;;
+    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
+    eval enable_$ac_feature=no ;;
 
   -docdir | --docdir | --docdi | --doc | --do)
     ac_prev=docdir ;;
@@ -973,21 +905,13 @@ do
     dvidir=$ac_optarg ;;
 
   -enable-* | --enable-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+    ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
+    expr "x$ac_feature" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid feature name: $ac_feature" >&2
    { (exit 1); exit 1; }; }
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"enable_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--enable-$ac_useropt_orig"
-	 ac_unrecognized_sep=', ';;
-    esac
-    eval enable_$ac_useropt=\$ac_optarg ;;
+    ac_feature=`echo $ac_feature | sed 's/[-.]/_/g'`
+    eval enable_$ac_feature=\$ac_optarg ;;
 
   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
@@ -1178,38 +1102,22 @@ do
     ac_init_version=: ;;
 
   -with-* | --with-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+    ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
+    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid package name: $ac_package" >&2
    { (exit 1); exit 1; }; }
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"with_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--with-$ac_useropt_orig"
-	 ac_unrecognized_sep=', ';;
-    esac
-    eval with_$ac_useropt=\$ac_optarg ;;
+    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
+    eval with_$ac_package=\$ac_optarg ;;
 
   -without-* | --without-*)
-    ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+    ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
+    expr "x$ac_package" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+      { echo "$as_me: error: invalid package name: $ac_package" >&2
    { (exit 1); exit 1; }; }
-    ac_useropt_orig=$ac_useropt
-    ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
-    case $ac_user_opts in
-      *"
-"with_$ac_useropt"
-"*) ;;
-      *) ac_unrecognized_opts="$ac_unrecognized_opts$ac_unrecognized_sep--without-$ac_useropt_orig"
-	 ac_unrecognized_sep=', ';;
-    esac
-    eval with_$ac_useropt=no ;;
+    ac_package=`echo $ac_package | sed 's/[-.]/_/g'`
+    eval with_$ac_package=no ;;
 
   --x)
     # Obsolete; use --with-x.
@@ -1229,7 +1137,7 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) { $as_echo "$as_me: error: unrecognized option: $ac_option
+  -*) { echo "$as_me: error: unrecognized option: $ac_option
 Try \`$0 --help' for more information." >&2
    { (exit 1); exit 1; }; }
     ;;
@@ -1238,16 +1146,16 @@ Try \`$0 --help' for more information." >&2
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
     expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+      { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
    { (exit 1); exit 1; }; }
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+    echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+      echo "$as_me: WARNING: invalid host type: $ac_option" >&2
     : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
@@ -1256,38 +1164,22 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  { $as_echo "$as_me: error: missing argument to $ac_option" >&2
+  { echo "$as_me: error: missing argument to $ac_option" >&2
    { (exit 1); exit 1; }; }
 fi
 
-if test -n "$ac_unrecognized_opts"; then
-  case $enable_option_checking in
-    no) ;;