2002-10-08 Roland McGrath <roland@redhat.com>

	* configure.in (AUTOCONF): New check to set it.  Set to "no" if the
	one found doesn't work on our configure.in.
	* configure: Regenerated.
	* config.make.in (AUTOCONF): New substituted variable.
	* Makefile (autoconf-it-cvs): New canned sequence, broken out of ...
	(autoconf-it): ... here, use that instead of defining conditionally.
	Use $(AUTOCONF) instead of literal autoconf.
	[$(AUTOCONF) != no] (configure, %/configure): Protect these rules
	with this condition.
	* Make-dist (autoconf-it, configure, %/configure): Copy those changes.

5 files changed, 214 insertions, 128 deletions

diff --git a/Make-dist b/Make-dist
index 9417904287..00c4d154a3 100644
--- a/Make-dist
+++ b/Make-dist
@@ -190,22 +190,30 @@ foo:=$(shell echo '+sysdep-dist=$(+sysdep-dist)' >&2)
 
 +tsrcs := $(+tsrcs) $(+sysdep-tsrcs) $(wildcard $(+sysdep-names:%=include/%))
 
+ifneq ($(AUTOCONF),no)
+
 ifeq ($(with-cvs),yes)
-define autoconf-it
-autoconf $(ACFLAGS) $< > $@.new
-mv -f $@.new $@
+define autoconf-it-cvs
 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
 endef
 else
+autoconf-it-cvs =
+endif
+
 define autoconf-it
-autoconf $(ACFLAGS) $< > $@.new
+@-rm -f $@.new
+$(AUTOCONF) $(ACFLAGS) $< > $@.new
+chmod a-w,a+x $@.new
 mv -f $@.new $@
+$(autoconf-it-cvs)
 endef
-endif
 
 configure: configure.in aclocal.m4; $(autoconf-it)
 %/configure: %/configure.in aclocal.m4; $(autoconf-it)
 
+endif # $(AUTOCONF) = no
+
+
 dist: $(tardir).tar.bz2
 	rm $(tardir).tar
 
diff --git a/Makefile b/Makefile
index 2e2a8af06c..36ba5d60fe 100644
--- a/Makefile
+++ b/Makefile
@@ -30,29 +30,33 @@ include Makeconfig
 .PHONY: all
 all: lib others
 
+ifneq ($(AUTOCONF),no)
+
 ifeq ($(with-cvs),yes)
-define autoconf-it
-@-rm -f $@.new
-autoconf $(ACFLAGS) $< > $@.new
-chmod a-w,a+x $@.new
-mv -f $@.new $@
+define autoconf-it-cvs
 test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@
 endef
 else
+autoconf-it-cvs =
+endif
+
 define autoconf-it
 @-rm -f $@.new
-autoconf $(ACFLAGS) $< > $@.new
+$(AUTOCONF) $(ACFLAGS) $< > $@.new
 chmod a-w,a+x $@.new
 mv -f $@.new $@
+$(autoconf-it-cvs)
 endef
-endif
-
-# We don't want to run anything here in parallel.
-.NOTPARALLEL:
 
 configure: configure.in aclocal.m4; $(autoconf-it)
 %/configure: %/configure.in aclocal.m4; $(autoconf-it)
 
+endif # $(AUTOCONF) = no
+
+
+# We don't want to run anything here in parallel.
+.NOTPARALLEL:
+
 # These are the targets that are made by making them in each subdirectory.
 +subdir_targets	:= subdir_lib objects objs others subdir_mostlyclean	\
 		   subdir_clean subdir_distclean subdir_realclean	\
diff --git a/config.make.in b/config.make.in
index ae756afd58..30167e6fb1 100644
--- a/config.make.in
+++ b/config.make.in
@@ -90,6 +90,7 @@ AS = $(CC) -c
 MIG = @MIG@
 PWD_P = @PWD_P@
 BISON = @BISON@
+AUTOCONF = @AUTOCONF@
 
 # Installation tools.
 INSTALL = @INSTALL@
diff --git a/configure b/configure
index 022e8a7584..fa48bdbd0d 100755
--- a/configure
+++ b/configure
@@ -1726,9 +1726,65 @@ if test $ac_verc_fail = yes; then
 fi
 
 
+for ac_prog in autoconf
+do
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1735: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_AUTOCONF'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$AUTOCONF"; then
+  ac_cv_prog_AUTOCONF="$AUTOCONF" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_AUTOCONF="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+AUTOCONF="$ac_cv_prog_AUTOCONF"
+if test -n "$AUTOCONF"; then
+  echo "$ac_t""$AUTOCONF" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$AUTOCONF" && break
+done
+test -n "$AUTOCONF" || AUTOCONF="no"
+
+case "x$AUTOCONF" in
+xno|x|x:) AUTOCONF=no ;;
+*)
+  echo $ac_n "checking whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works""... $ac_c" 1>&6
+echo "configure:1769: checking whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works" >&5
+if eval "test \"`echo '$''{'libc_cv_autoconf_works'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+    if (cd $srcdir; $AUTOCONF $ACFLAGS configure.in > /dev/null 2>&1); then
+    libc_cv_autoconf_works=yes
+  else
+    libc_cv_autoconf_works=no
+  fi
+fi
+
+echo "$ac_t""$libc_cv_autoconf_works" 1>&6
+  test $libc_cv_autoconf_works = yes || AUTOCONF=no
+  ;;
+esac
+test "x$AUTOCONF" != xno || aux_missing="$aux_missing autoconf"
+
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1732: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1788: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1742,12 +1798,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1746 "configure"
+#line 1802 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1751: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1807: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1778,7 +1834,7 @@ else
  cross_linkable=yes
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1782: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1838: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_cross'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1790,7 +1846,7 @@ echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1794: checking whether we are using GNU C" >&5
+echo "configure:1850: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1799,7 +1855,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1803: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1859: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1812,7 +1868,7 @@ if test $ac_cv_prog_gcc != yes; then
 fi
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1816: checking build system type" >&5
+echo "configure:1872: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -1835,7 +1891,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1839: checking for $ac_word" >&5
+echo "configure:1895: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_BUILD_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1867,7 +1923,7 @@ done
 fi
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1871: checking how to run the C preprocessor" >&5
+echo "configure:1927: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1882,13 +1938,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1886 "configure"
+#line 1942 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1892: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1948: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1899,13 +1955,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1903 "configure"
+#line 1959 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1909: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1965: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1916,13 +1972,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1920 "configure"
+#line 1976 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1926: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1982: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1965,7 +2021,7 @@ if test "x$ac_ranlib" = xranlib; then
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1969: checking for $ac_word" >&5
+echo "configure:2025: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1997,7 +2053,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2001: checking for $ac_word" >&5
+echo "configure:2057: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2036,7 +2092,7 @@ fi
 
 # Determine whether we are using GNU binutils.
 echo $ac_n "checking whether $AS is GNU as""... $ac_c" 1>&6
-echo "configure:2040: checking whether $AS is GNU as" >&5
+echo "configure:2096: checking whether $AS is GNU as" >&5
 if eval "test \"`echo '$''{'libc_cv_prog_as_gnu'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2055,7 +2111,7 @@ rm -f a.out
 gnu_as=$libc_cv_prog_as_gnu
 
 echo $ac_n "checking whether $LD is GNU ld""... $ac_c" 1>&6
-echo "configure:2059: checking whether $LD is GNU ld" >&5
+echo "configure:2115: checking whether $LD is GNU ld" >&5
 if eval "test \"`echo '$''{'libc_cv_prog_ld_gnu'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2075,7 +2131,7 @@ gnu_ld=$libc_cv_prog_ld_gnu
 # Extract the first word of "${ac_tool_prefix}mig", so it can be a program name with args.
 set dummy ${ac_tool_prefix}mig; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2079: checking for $ac_word" >&5
+echo "configure:2135: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_MIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2107,7 +2163,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "mig", so it can be a program name with args.
 set dummy mig; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2111: checking for $ac_word" >&5
+echo "configure:2167: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_MIG'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2167,7 +2223,7 @@ fi
 
 # check if ranlib is necessary
 echo $ac_n "checking whether ranlib is necessary""... $ac_c" 1>&6
-echo "configure:2171: checking whether ranlib is necessary" >&5
+echo "configure:2227: checking whether ranlib is necessary" >&5
 if eval "test \"`echo '$''{'libc_cv_ranlib_necessary'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2201,7 +2257,7 @@ fi
 # - two terminals occur directly after each other
 # - the path contains an element with a dot in it
 echo $ac_n "checking LD_LIBRARY_PATH variable""... $ac_c" 1>&6
-echo "configure:2205: checking LD_LIBRARY_PATH variable" >&5
+echo "configure:2261: checking LD_LIBRARY_PATH variable" >&5
 case ${LD_LIBRARY_PATH} in
   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
     ld_library_path_setting="contains current directory"
@@ -2219,7 +2275,7 @@ if test "$ld_library_path_setting" != "ok"; then
 fi
 
 echo $ac_n "checking whether GCC supports -static-libgcc""... $ac_c" 1>&6
-echo "configure:2223: checking whether GCC supports -static-libgcc" >&5
+echo "configure:2279: checking whether GCC supports -static-libgcc" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_static_libgcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2236,7 +2292,7 @@ echo "$ac_t""$libc_cv_gcc_static_libgcc" 1>&6
 # Extract the first word of "bash", so it can be a program name with args.
 set dummy bash; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2240: checking for $ac_word" >&5
+echo "configure:2296: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_BASH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2282,7 +2338,7 @@ if test "$BASH" = no; then
   # Extract the first word of "ksh", so it can be a program name with args.
 set dummy ksh; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2286: checking for $ac_word" >&5
+echo "configure:2342: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_KSH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2332,7 +2388,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2336: checking for $ac_word" >&5
+echo "configure:2392: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AWK'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2364,7 +2420,7 @@ done
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2368: checking for $ac_word" >&5
+echo "configure:2424: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2404,7 +2460,7 @@ fi
 # Extract the first word of "install-info", so it can be a program name with args.
 set dummy install-info; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2408: checking for $ac_word" >&5
+echo "configure:2464: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_INSTALL_INFO'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2439,7 +2495,7 @@ fi
 
 if test "$INSTALL_INFO" != "no"; then
 echo $ac_n "checking for old Debian install-info""... $ac_c" 1>&6
-echo "configure:2443: checking for old Debian install-info" >&5
+echo "configure:2499: checking for old Debian install-info" >&5
 if eval "test \"`echo '$''{'libc_cv_old_debian_install_info'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2474,7 +2530,7 @@ fi
 # Extract the first word of "bison", so it can be a program name with args.
 set dummy bison; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2478: checking for $ac_word" >&5
+echo "configure:2534: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_BISON'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2509,7 +2565,7 @@ fi
 
 
 echo $ac_n "checking for signed size_t type""... $ac_c" 1>&6
-echo "configure:2513: checking for signed size_t type" >&5
+echo "configure:2569: checking for signed size_t type" >&5
 if eval "test \"`echo '$''{'libc_cv_signed_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2533,12 +2589,12 @@ EOF
 fi
 
 echo $ac_n "checking for libc-friendly stddef.h""... $ac_c" 1>&6
-echo "configure:2537: checking for libc-friendly stddef.h" >&5
+echo "configure:2593: checking for libc-friendly stddef.h" >&5
 if eval "test \"`echo '$''{'libc_cv_friendly_stddef'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2542 "configure"
+#line 2598 "configure"
 #include "confdefs.h"
 #define __need_size_t
 #define __need_wchar_t
@@ -2553,7 +2609,7 @@ size_t size; wchar_t wchar;
 if (&size == NULL || &wchar == NULL) abort ();
 ; return 0; }
 EOF
-if { (eval echo configure:2557: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2613: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libc_cv_friendly_stddef=yes
 else
@@ -2572,7 +2628,7 @@ override stddef.h = # The installed <stddef.h> seems to be libc-friendly."
 fi
 
 echo $ac_n "checking whether we need to use -P to assemble .S files""... $ac_c" 1>&6
-echo "configure:2576: checking whether we need to use -P to assemble .S files" >&5
+echo "configure:2632: checking whether we need to use -P to assemble .S files" >&5
 if eval "test \"`echo '$''{'libc_cv_need_minus_P'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2595,7 +2651,7 @@ asm-CPPFLAGS = -P # The assembler can't grok cpp's # line directives."
 fi
 
 echo $ac_n "checking whether .text pseudo-op must be used""... $ac_c" 1>&6
-echo "configure:2599: checking whether .text pseudo-op must be used" >&5
+echo "configure:2655: checking whether .text pseudo-op must be used" >&5
 if eval "test \"`echo '$''{'libc_cv_dot_text'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2616,7 +2672,7 @@ else
 fi
 
 echo $ac_n "checking for assembler global-symbol directive""... $ac_c" 1>&6
-echo "configure:2620: checking for assembler global-symbol directive" >&5
+echo "configure:2676: checking for assembler global-symbol directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_global_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2646,7 +2702,7 @@ EOF
 fi
 
 echo $ac_n "checking for .set assembler directive""... $ac_c" 1>&6
-echo "configure:2650: checking for .set assembler directive" >&5
+echo "configure:2706: checking for .set assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_set_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2680,7 +2736,7 @@ EOF
 fi
 
 echo $ac_n "checking for assembler .type directive prefix""... $ac_c" 1>&6
-echo "configure:2684: checking for assembler .type directive prefix" >&5
+echo "configure:2740: checking for assembler .type directive prefix" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_type_prefix'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2721,7 +2777,7 @@ EOF
 esac
 
 echo $ac_n "checking for .symver assembler directive""... $ac_c" 1>&6
-echo "configure:2725: checking for .symver assembler directive" >&5
+echo "configure:2781: checking for .symver assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_symver_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2740,7 +2796,7 @@ fi
 
 echo "$ac_t""$libc_cv_asm_symver_directive" 1>&6
 echo $ac_n "checking for ld --version-script""... $ac_c" 1>&6
-echo "configure:2744: checking for ld --version-script" >&5
+echo "configure:2800: checking for ld --version-script" >&5
 if eval "test \"`echo '$''{'libc_cv_ld_version_script_option'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2763,7 +2819,7 @@ EOF
     if { ac_try='${CC-cc} $CFLAGS -shared -o conftest.so conftest.o
 					-nostartfiles -nostdlib
 					-Wl,--version-script,conftest.map
-		       1>&5'; { (eval echo configure:2767: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
+		       1>&5'; { (eval echo configure:2823: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
     then
       libc_cv_ld_version_script_option=yes
     else
@@ -2802,7 +2858,7 @@ if test $elf = yes && test $shared != no && test $VERSIONING = no; then
 fi
 if test $elf = yes; then
   echo $ac_n "checking for .previous assembler directive""... $ac_c" 1>&6
-echo "configure:2806: checking for .previous assembler directive" >&5
+echo "configure:2862: checking for .previous assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_previous_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2810,7 +2866,7 @@ else
 .section foo_section
 .previous
 EOF
-  if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2814: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+  if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2870: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
     libc_cv_asm_previous_directive=yes
   else
     libc_cv_asm_previous_directive=no
@@ -2826,7 +2882,7 @@ EOF
 
   else
     echo $ac_n "checking for .popsection assembler directive""... $ac_c" 1>&6
-echo "configure:2830: checking for .popsection assembler directive" >&5
+echo "configure:2886: checking for .popsection assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_popsection_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2834,7 +2890,7 @@ else
 .pushsection foo_section
 .popsection
 EOF
-    if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2838: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+    if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2894: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
       libc_cv_asm_popsection_directive=yes
     else
       libc_cv_asm_popsection_directive=no
@@ -2851,7 +2907,7 @@ EOF
     fi
   fi
   echo $ac_n "checking for .protected and .hidden assembler directive""... $ac_c" 1>&6
-echo "configure:2855: checking for .protected and .hidden assembler directive" >&5
+echo "configure:2911: checking for .protected and .hidden assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_protected_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2861,7 +2917,7 @@ foo:
 .hidden bar
 bar:
 EOF
-  if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2865: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+  if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2921: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
     libc_cv_asm_protected_directive=yes
   else
     libc_cv_asm_protected_directive=no
@@ -2882,7 +2938,7 @@ EOF
 
   if test $libc_cv_asm_protected_directive = yes; then
     echo $ac_n "checking whether __attribute__((visibility())) is supported""... $ac_c" 1>&6
-echo "configure:2886: checking whether __attribute__((visibility())) is supported" >&5
+echo "configure:2942: checking whether __attribute__((visibility())) is supported" >&5
 if eval "test \"`echo '$''{'libc_cv_visibility_attribute'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2913,7 +2969,7 @@ EOF
 
   if test $libc_cv_visibility_attribute = yes; then
     echo $ac_n "checking for broken __attribute__((visibility()))""... $ac_c" 1>&6
-echo "configure:2917: checking for broken __attribute__((visibility()))" >&5
+echo "configure:2973: checking for broken __attribute__((visibility()))" >&5
 if eval "test \"`echo '$''{'libc_cv_broken_visibility_attribute'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2942,7 +2998,7 @@ EOF
   fi
 
   echo $ac_n "checking for broken __attribute__((alias()))""... $ac_c" 1>&6
-echo "configure:2946: checking for broken __attribute__((alias()))" >&5
+echo "configure:3002: checking for broken __attribute__((alias()))" >&5
 if eval "test \"`echo '$''{'libc_cv_broken_alias_attribute'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2975,7 +3031,7 @@ EOF
 
   if test $libc_cv_visibility_attribute = yes -a $gnu_ld = yes; then
     echo $ac_n "checking whether to put _rtld_local into .sdata section""... $ac_c" 1>&6
-echo "configure:2979: checking whether to put _rtld_local into .sdata section" >&5
+echo "configure:3035: checking whether to put _rtld_local into .sdata section" >&5
 if eval "test \"`echo '$''{'libc_cv_have_sdata_section'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2999,7 +3055,7 @@ EOF
   fi
 
   echo $ac_n "checking for .preinit_array/.init_array/.fini_array support""... $ac_c" 1>&6
-echo "configure:3003: checking for .preinit_array/.init_array/.fini_array support" >&5
+echo "configure:3059: checking for .preinit_array/.init_array/.fini_array support" >&5
 if eval "test \"`echo '$''{'libc_cv_initfinit_array'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3010,7 +3066,7 @@ int foo (void) { return 1; }
 int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
 EOF
   if { ac_try='${CC-cc} -o conftest conftest.c
-		     -static -nostartfiles -nostdlib 1>&5'; { (eval echo configure:3014: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+		     -static -nostartfiles -nostdlib 1>&5'; { (eval echo configure:3070: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
   then
     if readelf -S conftest | fgrep INIT_ARRAY > /dev/null; then
       libc_cv_initfinit_array=yes
@@ -3033,7 +3089,7 @@ EOF
   fi
 
   echo $ac_n "checking for -z nodelete option""... $ac_c" 1>&6
-echo "configure:3037: checking for -z nodelete option" >&5
+echo "configure:3093: checking for -z nodelete option" >&5
 if eval "test \"`echo '$''{'libc_cv_z_nodelete'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3042,7 +3098,7 @@ int _start (void) { return 42; }
 EOF
   if { ac_try='${CC-cc} -shared -o conftest.so conftest.c
 		     -nostartfiles -nostdlib
-		     -Wl,--enable-new-dtags,-z,nodelete 1>&5'; { (eval echo configure:3046: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+		     -Wl,--enable-new-dtags,-z,nodelete 1>&5'; { (eval echo configure:3102: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
   then
     libc_cv_z_nodelete=yes
   else
@@ -3055,7 +3111,7 @@ echo "$ac_t""$libc_cv_z_nodelete" 1>&6
   
 
   echo $ac_n "checking for -z nodlopen option""... $ac_c" 1>&6
-echo "configure:3059: checking for -z nodlopen option" >&5
+echo "configure:3115: checking for -z nodlopen option" >&5
 if eval "test \"`echo '$''{'libc_cv_z_nodlopen'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3064,7 +3120,7 @@ int _start (void) { return 42; }
 EOF
   if { ac_try='${CC-cc} -shared -o conftest.so conftest.c
 			-nostartfiles -nostdlib
-			-Wl,--enable-new-dtags,-z,nodlopen 1>&5'; { (eval echo configure:3068: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+			-Wl,--enable-new-dtags,-z,nodlopen 1>&5'; { (eval echo configure:3124: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
   then
     libc_cv_z_nodlopen=yes
   else
@@ -3077,7 +3133,7 @@ echo "$ac_t""$libc_cv_z_nodlopen" 1>&6
   
 
   echo $ac_n "checking for -z initfirst option""... $ac_c" 1>&6
-echo "configure:3081: checking for -z initfirst option" >&5
+echo "configure:3137: checking for -z initfirst option" >&5
 if eval "test \"`echo '$''{'libc_cv_z_initfirst'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3086,7 +3142,7 @@ int _start (void) { return 42; }
 EOF
   if { ac_try='${CC-cc} -shared -o conftest.so conftest.c
 			-nostartfiles -nostdlib
-			-Wl,--enable-new-dtags,-z,initfirst 1>&5'; { (eval echo configure:3090: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+			-Wl,--enable-new-dtags,-z,initfirst 1>&5'; { (eval echo configure:3146: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
   then
     libc_cv_z_initfirst=yes
   else
@@ -3099,14 +3155,14 @@ echo "$ac_t""$libc_cv_z_initfirst" 1>&6
   
 
   echo $ac_n "checking for -Bgroup option""... $ac_c" 1>&6
-echo "configure:3103: checking for -Bgroup option" >&5
+echo "configure:3159: checking for -Bgroup option" >&5
 if eval "test \"`echo '$''{'libc_cv_Bgroup'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     cat > conftest.c <<EOF
 int _start (void) { return 42; }
 EOF
-  if { ac_try='${CC-cc} -shared -o conftest.so conftest.c -Wl,-Bgroup -nostdlib 1>&5'; { (eval echo configure:3110: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+  if { ac_try='${CC-cc} -shared -o conftest.so conftest.c -Wl,-Bgroup -nostdlib 1>&5'; { (eval echo configure:3166: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
   then
     libc_cv_Bgroup=yes
   else
@@ -3119,7 +3175,7 @@ echo "$ac_t""$libc_cv_Bgroup" 1>&6
   
 
   echo $ac_n "checking for -z combreloc""... $ac_c" 1>&6
-echo "configure:3123: checking for -z combreloc" >&5
+echo "configure:3179: checking for -z combreloc" >&5
 if eval "test \"`echo '$''{'libc_cv_z_combreloc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3130,7 +3186,7 @@ int foo (void) { return bar (mumble); }
 EOF
   if { ac_try='${CC-cc} -shared -o conftest.so conftest.c
 			-nostdlib -nostartfiles
-			-Wl,-z,combreloc 1>&5'; { (eval echo configure:3134: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+			-Wl,-z,combreloc 1>&5'; { (eval echo configure:3190: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
   then
     if readelf -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
       libc_cv_z_combreloc=yes
@@ -3155,12 +3211,12 @@ fi
 
 if test $elf != yes; then
   echo $ac_n "checking for .init and .fini sections""... $ac_c" 1>&6
-echo "configure:3159: checking for .init and .fini sections" >&5
+echo "configure:3215: checking for .init and .fini sections" >&5
 if eval "test \"`echo '$''{'libc_cv_have_initfini'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3164 "configure"
+#line 3220 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -3169,7 +3225,7 @@ asm (".section .init");
 				    asm ("${libc_cv_dot_text}");
 ; return 0; }
 EOF
-if { (eval echo configure:3173: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3229: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libc_cv_have_initfini=yes
 else
@@ -3192,7 +3248,7 @@ fi
 
 if test $elf = yes -a $gnu_ld = yes; then
   echo $ac_n "checking whether cc puts quotes around section names""... $ac_c" 1>&6
-echo "configure:3196: checking whether cc puts quotes around section names" >&5
+echo "configure:3252: checking whether cc puts quotes around section names" >&5
 if eval "test \"`echo '$''{'libc_cv_have_section_quotes'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3229,19 +3285,19 @@ if test $elf = yes; then
 else
   if test $ac_cv_prog_cc_works = yes; then
     echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6
-echo "configure:3233: checking for _ prefix on C symbol names" >&5
+echo "configure:3289: checking for _ prefix on C symbol names" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3238 "configure"
+#line 3294 "configure"
 #include "confdefs.h"
 asm ("_glibc_foobar:");
 int main() {
 glibc_foobar ();
 ; return 0; }
 EOF
-if { (eval echo configure:3245: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3301: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   libc_cv_asm_underscores=yes
 else
@@ -3256,17 +3312,17 @@ fi
 echo "$ac_t""$libc_cv_asm_underscores" 1>&6
   else
     echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6
-echo "configure:3260: checking for _ prefix on C symbol names" >&5
+echo "configure:3316: checking for _ prefix on C symbol names" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3265 "configure"
+#line 3321 "configure"
 #include "confdefs.h"
 void underscore_test(void) {
 return; }
 EOF
-if { (eval echo configure:3270: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   if grep _underscore_test conftest* >/dev/null; then
     rm -f conftest*
     libc_cv_asm_underscores=yes
@@ -3298,7 +3354,7 @@ if test $elf = yes; then
 fi
 
 echo $ac_n "checking for assembler .weak directive""... $ac_c" 1>&6
-echo "configure:3302: checking for assembler .weak directive" >&5
+echo "configure:3358: checking for assembler .weak directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_weak_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3321,7 +3377,7 @@ echo "$ac_t""$libc_cv_asm_weak_directive" 1>&6
 
 if test $libc_cv_asm_weak_directive = no; then
   echo $ac_n "checking for assembler .weakext directive""... $ac_c" 1>&6
-echo "configure:3325: checking for assembler .weakext directive" >&5
+echo "configure:3381: checking for assembler .weakext directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_weakext_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3368,14 +3424,14 @@ EOF
     ;;
   hppa*linux*)
   echo $ac_n "checking for assembler line separator""... $ac_c" 1>&6
-echo "configure:3372: checking for assembler line separator" >&5
+echo "configure:3428: checking for assembler line separator" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_line_sep'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     cat > conftest.s <<EOF
  nop ; is_old_puffin
 EOF
-  if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:3379: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+  if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:3435: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
     libc_cv_asm_line_sep='!'
   else
     if test -z "$enable_hacker_mode"; then
@@ -3397,7 +3453,7 @@ EOF
 esac
 
 echo $ac_n "checking for ld --no-whole-archive""... $ac_c" 1>&6
-echo "configure:3401: checking for ld --no-whole-archive" >&5
+echo "configure:3457: checking for ld --no-whole-archive" >&5
 if eval "test \"`echo '$''{'libc_cv_ld_no_whole_archive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3408,7 +3464,7 @@ __throw () {}
 EOF
 if { ac_try='${CC-cc} $CFLAGS
 			    -nostdlib -nostartfiles -Wl,--no-whole-archive
-			    -o conftest conftest.c 1>&5'; { (eval echo configure:3412: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			    -o conftest conftest.c 1>&5'; { (eval echo configure:3468: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_ld_no_whole_archive=yes
 else
   libc_cv_ld_no_whole_archive=no
@@ -3422,7 +3478,7 @@ if test $libc_cv_ld_no_whole_archive = yes; then
 fi
 
 echo $ac_n "checking for gcc -fexceptions""... $ac_c" 1>&6
-echo "configure:3426: checking for gcc -fexceptions" >&5
+echo "configure:3482: checking for gcc -fexceptions" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_exceptions'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3433,7 +3489,7 @@ __throw () {}
 EOF
 if { ac_try='${CC-cc} $CFLAGS
 			    -nostdlib -nostartfiles -fexceptions
-			    -o conftest conftest.c 1>&5'; { (eval echo configure:3437: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			    -o conftest conftest.c 1>&5'; { (eval echo configure:3493: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_gcc_exceptions=yes
 else
   libc_cv_gcc_exceptions=no
@@ -3448,14 +3504,14 @@ fi
 
 if test "$base_machine" = alpha ; then
 echo $ac_n "checking for function ..ng prefix""... $ac_c" 1>&6
-echo "configure:3452: checking for function ..ng prefix" >&5
+echo "configure:3508: checking for function ..ng prefix" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_alpha_ng_prefix'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<\EOF
 foo () { }
 EOF
-if { ac_try='${CC-cc} -S conftest.c -o - | fgrep "\$foo..ng" > /dev/null'; { (eval echo configure:3459: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
+if { ac_try='${CC-cc} -S conftest.c -o - | fgrep "\$foo..ng" > /dev/null'; { (eval echo configure:3515: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
 then
   libc_cv_gcc_alpha_ng_prefix=yes
 else
@@ -3482,19 +3538,19 @@ if test "$host_cpu" = powerpc ; then
 # Check for a bug present in at least versions 2.8.x of GCC
 # and versions 1.0.x of EGCS.
 echo $ac_n "checking whether clobbering cr0 causes problems""... $ac_c" 1>&6
-echo "configure:3486: checking whether clobbering cr0 causes problems" >&5
+echo "configure:3542: checking whether clobbering cr0 causes problems" >&5
 if eval "test \"`echo '$''{'libc_cv_c_asmcr0_bug'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3491 "configure"
+#line 3547 "configure"
 #include "confdefs.h"
 int tester(int x) { asm ("" : : : "cc"); return x & 123; }
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:3498: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3554: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libc_cv_c_asmcr0_bug='no'
 else
@@ -3516,12 +3572,12 @@ fi
 fi
 
 echo $ac_n "checking for DWARF2 unwind info support""... $ac_c" 1>&6
-echo "configure:3520: checking for DWARF2 unwind info support" >&5
+echo "configure:3576: checking for DWARF2 unwind info support" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_dwarf2_unwind_info'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
-#line 3525 "configure"
+#line 3581 "configure"
 static char *__EH_FRAME_BEGIN__;
 _start ()
 {
@@ -3549,14 +3605,14 @@ dl_iterate_phdr () {}
 EOF
 if { ac_try='${CC-cc} $CFLAGS -DCHECK__register_frame_info
 			    -nostdlib -nostartfiles
-			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:3553: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:3609: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_gcc_dwarf2_unwind_info=static
 else
   libc_cv_gcc_dwarf2_unwind_info=no
 fi
 if { ac_try='${CC-cc} $CFLAGS -DCHECK__register_frame_info
                             -nostdlib -nostartfiles
-                            -o conftest conftest.c -lgcc -lgcc_eh >&5'; { (eval echo configure:3560: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+                            -o conftest conftest.c -lgcc -lgcc_eh >&5'; { (eval echo configure:3616: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   if ${CC-cc} $CFLAGS -DCHECK__register_frame_info -nostdlib -nostartfiles \
      -o conftest conftest.c -lgcc -lgcc_eh -v 2>&1 >/dev/null \
      | grep -q -- --eh-frame-hdr; then
@@ -3570,7 +3626,7 @@ fi
 if test $libc_cv_gcc_dwarf2_unwind_info = no; then
   if { ac_try='${CC-cc} $CFLAGS -DCHECK__register_frame
 			      -nostdlib -nostartfiles
-			      -o conftest conftest.c -lgcc >&5'; { (eval echo configure:3574: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			      -o conftest conftest.c -lgcc >&5'; { (eval echo configure:3630: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
     libc_cv_gcc_dwarf2_unwind_info=yes
   else
     libc_cv_gcc_dwarf2_unwind_info=no
@@ -3600,12 +3656,12 @@ EOF
 esac
 
 echo $ac_n "checking for __builtin_expect""... $ac_c" 1>&6
-echo "configure:3604: checking for __builtin_expect" >&5
+echo "configure:3660: checking for __builtin_expect" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_builtin_expect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
-#line 3609 "configure"
+#line 3665 "configure"
 int foo (int a)
 {
   a = __builtin_expect (a, 10);
@@ -3613,7 +3669,7 @@ int foo (int a)
 }
 EOF
 if { ac_try='${CC-cc} $CFLAGS -nostdlib -nostartfiles
-			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:3617: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:3673: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_gcc_builtin_expect=yes
 else
   libc_cv_gcc_builtin_expect=no
@@ -3630,7 +3686,7 @@ EOF
 fi
 
 echo $ac_n "checking for __builtin_memset""... $ac_c" 1>&6
-echo "configure:3634: checking for __builtin_memset" >&5
+echo "configure:3690: checking for __builtin_memset" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_builtin_memset'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3640,7 +3696,7 @@ void zero (void *x)
   __builtin_memset (x, 0, 1000);
 }
 EOF
-if { ac_try='${CC-cc} -O3 -S conftest.c -o - | fgrep "memset" > /dev/null'; { (eval echo configure:3644: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
+if { ac_try='${CC-cc} -O3 -S conftest.c -o - | fgrep "memset" > /dev/null'; { (eval echo configure:3700: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
 then
   libc_cv_gcc_builtin_memset=no
 else
@@ -3658,12 +3714,12 @@ EOF
 fi
 
 echo $ac_n "checking for local label subtraction""... $ac_c" 1>&6
-echo "configure:3662: checking for local label subtraction" >&5
+echo "configure:3718: checking for local label subtraction" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_subtract_local_labels'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
-#line 3667 "configure"
+#line 3723 "configure"
 int foo (int a)
 {
   static const int ar[] = { &&l1 - &&l1, &&l2 - &&l1 };
@@ -3676,7 +3732,7 @@ int foo (int a)
 }
 EOF
 if { ac_try='${CC-cc} $CFLAGS -nostdlib -nostartfiles
-			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:3680: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:3736: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_gcc_subtract_local_labels=yes
 else
   libc_cv_gcc_subtract_local_labels=no
@@ -3693,14 +3749,14 @@ EOF
 fi
 
 echo $ac_n "checking for __thread""... $ac_c" 1>&6
-echo "configure:3697: checking for __thread" >&5
+echo "configure:3753: checking for __thread" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc___thread'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<\EOF
 __thread int a = 42;
 EOF
-if { ac_try='${CC-cc} $CFLAGS -c conftest.c >&5'; { (eval echo configure:3704: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+if { ac_try='${CC-cc} $CFLAGS -c conftest.c >&5'; { (eval echo configure:3760: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_gcc___thread=yes
 else
   libc_cv_gcc___thread=no
@@ -3718,7 +3774,7 @@ fi
 
 
 echo $ac_n "checking for libgd""... $ac_c" 1>&6
-echo "configure:3722: checking for libgd" >&5
+echo "configure:3778: checking for libgd" >&5
 if test "$with_gd" != "no"; then
   old_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $libgd_include"
@@ -3727,14 +3783,14 @@ if test "$with_gd" != "no"; then
   old_LIBS="$LIBS"
   LIBS="$LIBS -lgd -lpng -lz -lm"
   cat > conftest.$ac_ext <<EOF
-#line 3731 "configure"
+#line 3787 "configure"
 #include "confdefs.h"
 #include <gd.h>
 int main() {
 gdImagePng (0, 0)
 ; return 0; }
 EOF
-if { (eval echo configure:3738: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3794: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBGD=yes
 else
@@ -3754,7 +3810,7 @@ echo "$ac_t""$LIBGD" 1>&6
 
 
 echo $ac_n "checking size of long double""... $ac_c" 1>&6
-echo "configure:3758: checking size of long double" >&5
+echo "configure:3814: checking size of long double" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3762,7 +3818,7 @@ else
   ac_cv_sizeof_long_double=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 3766 "configure"
+#line 3822 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main()
@@ -3773,7 +3829,7 @@ int main()
   return(0);
 }
 EOF
-if { (eval echo configure:3777: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_double=`cat conftestval`
 else
@@ -3851,7 +3907,7 @@ if test "$uname" = "sysdeps/generic"; then
   fi
 
   echo $ac_n "checking OS release for uname""... $ac_c" 1>&6
-echo "configure:3855: checking OS release for uname" >&5
+echo "configure:3911: checking OS release for uname" >&5
 if eval "test \"`echo '$''{'libc_cv_uname_release'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3873,7 +3929,7 @@ echo "$ac_t""$libc_cv_uname_release" 1>&6
   uname_release="$libc_cv_uname_release"
 
   echo $ac_n "checking OS version for uname""... $ac_c" 1>&6
-echo "configure:3877: checking OS version for uname" >&5
+echo "configure:3933: checking OS version for uname" >&5
 if eval "test \"`echo '$''{'libc_cv_uname_version'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3902,7 +3958,7 @@ EOF
 # Test for old glibc 2.0.x headers so that they can be removed properly
 # Search only in includedir.
 echo $ac_n "checking for old glibc 2.0.x headers""... $ac_c" 1>&6
-echo "configure:3906: checking for old glibc 2.0.x headers" >&5
+echo "configure:3962: checking for old glibc 2.0.x headers" >&5
 if eval test -f "${includedir}/elfclass.h" -a -f "${includedir}/fcntlbits.h"
 then
   old_glibc_headers=yes
@@ -3963,7 +4019,7 @@ if test $shared = default; then
 fi
 
 echo $ac_n "checking whether -fPIC is default""... $ac_c" 1>&6
-echo "configure:3967: checking whether -fPIC is default" >&5
+echo "configure:4023: checking whether -fPIC is default" >&5
 if eval "test \"`echo '$''{'pic_default'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4170,6 +4226,7 @@ s%@MAKE@%$MAKE%g
 s%@MSGFMT@%$MSGFMT%g
 s%@MAKEINFO@%$MAKEINFO%g
 s%@SED@%$SED%g
+s%@AUTOCONF@%$AUTOCONF%g
 s%@cross_linkable@%$cross_linkable%g
 s%@BUILD_CC@%$BUILD_CC%g
 s%@cross_compiling@%$cross_compiling%g
diff --git a/configure.in b/configure.in
index 12a6a0f56d..d3f0f63539 100644
--- a/configure.in
+++ b/configure.in
@@ -615,6 +615,22 @@ AC_CHECK_PROG_VER(SED, sed, --version,
   [3.0[2-9]*|3.[1-9]*|[4-9]*],
   SED=: aux_missing="$aux_missing sed")
 
+AC_CHECK_PROGS(AUTOCONF, autoconf, no)
+case "x$AUTOCONF" in
+xno|x|x:) AUTOCONF=no ;;
+*)
+  AC_CACHE_CHECK(dnl
+whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works, libc_cv_autoconf_works, [dnl
+  if (cd $srcdir; $AUTOCONF $ACFLAGS configure.in > /dev/null 2>&1); then
+    libc_cv_autoconf_works=yes
+  else
+    libc_cv_autoconf_works=no
+  fi])
+  test $libc_cv_autoconf_works = yes || AUTOCONF=no
+  ;;
+esac
+test "x$AUTOCONF" != xno || aux_missing="$aux_missing autoconf"
+
 AC_PROG_CC_LOCAL
 AC_CANONICAL_BUILD
 if test $host != $build; then