10 files changed, 164 insertions, 130 deletions
diff --git a/Makerules b/Makerules
index 51a809515f..607db6794d 100644
--- a/Makerules
+++ b/Makerules
@@ -135,7 +135,7 @@ ifndef avoid-generated
 before-compile := $(common-objpfx)abi-versions.h $(before-compile)
 $(common-objpfx)abi-versions.h: $(..)scripts/abi-versions.awk \
 				$(common-objpfx)Versions.all
-	LC_ALL=C $(AWK) -f $^ > $@T
+	LC_ALL=C $(AWK) -v oldest_abi=$(oldest-abi) -f $^ > $@T
 	mv -f $@T $@
 endif # avoid-generated
 endif # $(versioning) = yes
diff --git a/config.h.in b/config.h.in
index 1f417989d2..af82128eea 100644
--- a/config.h.in
+++ b/config.h.in
@@ -56,6 +56,9 @@
 /* Define if versioning of the library is wanted.  */
 #undef	DO_VERSIONING
 
+/* Defined to the oldest ABI we support, like 2.1.  */
+#undef GLIBC_OLDEST_ABI
+
 /* Define if static NSS modules are wanted.  */
 #undef	DO_STATIC_NSS
 
diff --git a/config.make.in b/config.make.in
index 885fceb5bc..8b8ea9ed2d 100644
--- a/config.make.in
+++ b/config.make.in
@@ -45,6 +45,7 @@ with-cvs = @with_cvs@
 old-glibc-headers = @old_glibc_headers@
 
 versioning = @VERSIONING@
+oldest-abi = @oldest_abi@
 no-whole-archive = @no_whole_archive@
 exceptions = @exceptions@
 have_doors = @linux_doors@
diff --git a/configure b/configure
index 2fa4f094e7..8b884fe71d 100755
--- a/configure
+++ b/configure
@@ -43,6 +43,9 @@ ac_help="$ac_help
                           [e.g. /usr/src/linux/include]
                           [default=compiler default]"
 ac_help="$ac_help
+  --with-oldest-abi=ABI   the oldest ABI supported [e.g. 2.2]
+                          [default=glibc default]"
+ac_help="$ac_help
   --enable-libio          build in GNU libio instead of GNU stdio"
 ac_help="$ac_help
   --disable-sanity-checks really do not use threads (should not be used
@@ -718,6 +721,24 @@ else
 fi
 
 
+# Check whether --with-oldest-abi or --without-oldest-abi was given.
+if test "${with_oldest_abi+set}" = set; then
+  withval="$with_oldest_abi"
+  oldest_abi=$withval
+else
+  oldest_abi=''
+fi
+
+if test ! -z "$oldest_abi"; then
+  cat >> confdefs.h <<EOF
+#define GLIBC_OLDEST_ABI "$oldest_abi"
+EOF
+
+else
+  oldest_abi=default
+fi
+
+
 # Check whether --enable-libio or --disable-libio was given.
 if test "${enable_libio+set}" = set; then
   enableval="$enable_libio"
@@ -864,7 +885,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:868: checking host system type" >&5
+echo "configure:889: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -1003,7 +1024,7 @@ fi
 # This can take a while to compute.
 sysdep_dir=$srcdir/sysdeps
 echo $ac_n "checking sysdep dirs""... $ac_c" 1>&6
-echo "configure:1007: checking sysdep dirs" >&5
+echo "configure:1028: checking sysdep dirs" >&5
 # Make sco3.2v4 become sco3.2.4 and sunos4.1.1_U1 become sunos4.1.1.U1.
 os="`echo $os | sed 's/\([0-9A-Z]\)[v_]\([0-9A-Z]\)/\1.\2/g'`"
 
@@ -1209,7 +1230,7 @@ echo "$ac_t""$default_sysnames" 1>&6
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1213: checking for a BSD compatible install" >&5
+echo "configure:1234: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1266,7 +1287,7 @@ if test "$INSTALL" = "${srcdir}/scripts/install-sh -c"; then
   INSTALL='\$(..)./scripts/install-sh -c'
 fi
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1270: checking whether ln -s works" >&5
+echo "configure:1291: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1295,7 +1316,7 @@ fi
 # Extract the first word of "pwd", so it can be a program name with args.
 set dummy pwd; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1299: checking for $ac_word" >&5
+echo "configure:1320: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PWD_P'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1334,7 +1355,7 @@ fi
 
 # These programs are version sensitive.
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1338: checking build system type" >&5
+echo "configure:1359: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -1362,7 +1383,7 @@ 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:1366: checking for $ac_word" >&5
+echo "configure:1387: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1396,7 +1417,7 @@ if test -z "$CC"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $CC""... $ac_c" 1>&6
-echo "configure:1400: checking version of $CC" >&5
+echo "configure:1421: checking version of $CC" >&5
   ac_prog_version=`$CC -v 2>&1 | sed -n 's/^.*version \([egcygnustpi-]*[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1416,7 +1437,7 @@ do
 # Extract the first word of "$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:1420: checking for $ac_word" >&5
+echo "configure:1441: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_MAKE'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1450,7 +1471,7 @@ if test -z "$MAKE"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $MAKE""... $ac_c" 1>&6
-echo "configure:1454: checking version of $MAKE" >&5
+echo "configure:1475: checking version of $MAKE" >&5
   ac_prog_version=`$MAKE --version 2>&1 | sed -n 's/^.*GNU Make[^0-9]*\([0-9][0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1471,7 +1492,7 @@ do
 # Extract the first word of "$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:1475: checking for $ac_word" >&5
+echo "configure:1496: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_MSGFMT'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1505,7 +1526,7 @@ if test -z "$MSGFMT"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $MSGFMT""... $ac_c" 1>&6
-echo "configure:1509: checking version of $MSGFMT" >&5
+echo "configure:1530: checking version of $MSGFMT" >&5
   ac_prog_version=`$MSGFMT --version 2>&1 | sed -n 's/^.*GNU gettext.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1525,7 +1546,7 @@ do
 # Extract the first word of "$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:1529: checking for $ac_word" >&5
+echo "configure:1550: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_MAKEINFO'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1559,7 +1580,7 @@ if test -z "$MAKEINFO"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $MAKEINFO""... $ac_c" 1>&6
-echo "configure:1563: checking version of $MAKEINFO" >&5
+echo "configure:1584: checking version of $MAKEINFO" >&5
   ac_prog_version=`$MAKEINFO --version 2>&1 | sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1579,7 +1600,7 @@ do
 # Extract the first word of "$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:1583: checking for $ac_word" >&5
+echo "configure:1604: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_SED'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1613,7 +1634,7 @@ if test -z "$SED"; then
 else
   # Found it, now check the version.
   echo $ac_n "checking version of $SED""... $ac_c" 1>&6
-echo "configure:1617: checking version of $SED" >&5
+echo "configure:1638: checking version of $SED" >&5
   ac_prog_version=`$SED --version 2>&1 | sed -n 's/^.*GNU sed version \([0-9]*\.[0-9.]*\).*$/\1/p'`
   case $ac_prog_version in
     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
@@ -1646,7 +1667,7 @@ CCVERSION=`$CC -v 2>&1 | sed -n 's/gcc version //p'`
 
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1650: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1671: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1660,12 +1681,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1664 "configure"
+#line 1685 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1669: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1690: \"$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
@@ -1696,7 +1717,7 @@ else
  cross_linkable=yes
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1700: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1721: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_cross'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1708,7 +1729,7 @@ echo "$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""... $ac_c" 1>&6
-echo "configure:1712: checking whether we are using GNU C" >&5
+echo "configure:1733: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1717,7 +1738,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1721: \"$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:1742: \"$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
@@ -1730,7 +1751,7 @@ if test $ac_cv_prog_gcc != yes; then
 fi
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1734: checking build system type" >&5
+echo "configure:1755: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -1753,7 +1774,7 @@ 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:1757: checking for $ac_word" >&5
+echo "configure:1778: 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
@@ -1785,7 +1806,7 @@ done
 fi
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1789: checking how to run the C preprocessor" >&5
+echo "configure:1810: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1800,13 +1821,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1804 "configure"
+#line 1825 "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:1810: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1831: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1817,13 +1838,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1821 "configure"
+#line 1842 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1827: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1848: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1834,13 +1855,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1838 "configure"
+#line 1859 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1844: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1865: \"$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
   :
@@ -1883,7 +1904,7 @@ if test $RANLIB = ranlib; then
 # Extract the first word of "${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:1887: checking for $ac_word" >&5
+echo "configure:1908: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1915,7 +1936,7 @@ if test -n "$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:1919: checking for $ac_word" >&5
+echo "configure:1940: 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
@@ -1952,7 +1973,7 @@ fi
 
 # Determine whether we are using GNU binutils.
 echo $ac_n "checking whether $AS is GNU as""... $ac_c" 1>&6
-echo "configure:1956: checking whether $AS is GNU as" >&5
+echo "configure:1977: checking whether $AS is GNU as" >&5
 if eval "test \"`echo '$''{'libc_cv_prog_as_gnu'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1971,7 +1992,7 @@ rm -f a.out
 gnu_as=$libc_cv_prog_as_gnu
 
 echo $ac_n "checking whether $LD is GNU ld""... $ac_c" 1>&6
-echo "configure:1975: checking whether $LD is GNU ld" >&5
+echo "configure:1996: checking whether $LD is GNU ld" >&5
 if eval "test \"`echo '$''{'libc_cv_prog_ld_gnu'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1991,7 +2012,7 @@ gnu_ld=$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:1995: checking for $ac_word" >&5
+echo "configure:2016: 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
@@ -2032,7 +2053,7 @@ fi
 
 # check if ranlib is necessary
 echo $ac_n "checking whether ranlib is necessary""... $ac_c" 1>&6
-echo "configure:2036: checking whether ranlib is necessary" >&5
+echo "configure:2057: checking whether ranlib is necessary" >&5
 if eval "test \"`echo '$''{'libc_cv_ranlib_necessary'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2066,7 +2087,7 @@ 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:2070: checking LD_LIBRARY_PATH variable" >&5
+echo "configure:2091: checking LD_LIBRARY_PATH variable" >&5
 case ${LD_LIBRARY_PATH} in
   [:\;]* | *[:\;] | *[:\;][:\;]* |  *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
     ld_library_path_setting="contains current directory"
@@ -2086,7 +2107,7 @@ fi
 # 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:2090: checking for $ac_word" >&5
+echo "configure:2111: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_BASH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2132,7 +2153,7 @@ if test "$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:2136: checking for $ac_word" >&5
+echo "configure:2157: 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
@@ -2177,12 +2198,12 @@ else
 fi
 
 
-for ac_prog in mawk gawk nawk awk
+for ac_prog in gawk mawk nawk awk
 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:2186: checking for $ac_word" >&5
+echo "configure:2207: 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
@@ -2214,7 +2235,7 @@ 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:2218: checking for $ac_word" >&5
+echo "configure:2239: 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
@@ -2254,7 +2275,7 @@ 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:2258: checking for $ac_word" >&5
+echo "configure:2279: 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
@@ -2289,7 +2310,7 @@ fi
 
 if test "$INSTALL_INFO" != "no"; then
 echo $ac_n "checking for old Debian install-info""... $ac_c" 1>&6
-echo "configure:2293: checking for old Debian install-info" >&5
+echo "configure:2314: checking for old Debian install-info" >&5
 if eval "test \"`echo '$''{'libc_cv_old_debian_install_info'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2322,7 +2343,7 @@ fi
 
 
 echo $ac_n "checking for signed size_t type""... $ac_c" 1>&6
-echo "configure:2326: checking for signed size_t type" >&5
+echo "configure:2347: checking for signed size_t type" >&5
 if eval "test \"`echo '$''{'libc_cv_signed_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2346,12 +2367,12 @@ EOF
 fi
 
 echo $ac_n "checking for libc-friendly stddef.h""... $ac_c" 1>&6
-echo "configure:2350: checking for libc-friendly stddef.h" >&5
+echo "configure:2371: checking for libc-friendly stddef.h" >&5
 if eval "test \"`echo '$''{'libc_cv_friendly_stddef'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2355 "configure"
+#line 2376 "configure"
 #include "confdefs.h"
 #define __need_size_t
 #define __need_wchar_t
@@ -2366,7 +2387,7 @@ size_t size; wchar_t wchar;
 if (&size == NULL || &wchar == NULL) abort ();
 ; return 0; }
 EOF
-if { (eval echo configure:2370: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2391: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libc_cv_friendly_stddef=yes
 else
@@ -2385,7 +2406,7 @@ 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""... $ac_c" 1>&6
-echo "configure:2389: checking whether we need to use -P to assemble .S files" >&5
+echo "configure:2410: checking whether we need to use -P to assemble .S files" >&5
 if eval "test \"`echo '$''{'libc_cv_need_minus_P'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2408,7 +2429,7 @@ asm-CPPFLAGS = -P # The assembler can't grok cpp's # line directives."
 fi
 
 echo $ac_n "checking whether .text pseudo-op must be used""... $ac_c" 1>&6
-echo "configure:2412: checking whether .text pseudo-op must be used" >&5
+echo "configure:2433: checking whether .text pseudo-op must be used" >&5
 if eval "test \"`echo '$''{'libc_cv_dot_text'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2429,7 +2450,7 @@ else
 fi
 
 echo $ac_n "checking for assembler global-symbol directive""... $ac_c" 1>&6
-echo "configure:2433: checking for assembler global-symbol directive" >&5
+echo "configure:2454: checking for assembler global-symbol directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_global_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2459,7 +2480,7 @@ EOF
 fi
 
 echo $ac_n "checking for .set assembler directive""... $ac_c" 1>&6
-echo "configure:2463: checking for .set assembler directive" >&5
+echo "configure:2484: checking for .set assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_set_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2493,7 +2514,7 @@ EOF
 fi
 
 echo $ac_n "checking for .symver assembler directive""... $ac_c" 1>&6
-echo "configure:2497: checking for .symver assembler directive" >&5
+echo "configure:2518: checking for .symver assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_symver_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2512,7 +2533,7 @@ fi
 
 echo "$ac_t""$libc_cv_asm_symver_directive" 1>&6
 echo $ac_n "checking for ld --version-script""... $ac_c" 1>&6
-echo "configure:2516: checking for ld --version-script" >&5
+echo "configure:2537: checking for ld --version-script" >&5
 if eval "test \"`echo '$''{'libc_cv_ld_version_script_option'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2535,7 +2556,7 @@ EOF
     if { ac_try='${CC-cc} $CFLAGS -shared -o conftest.so conftest.o
 					-nostartfiles -nostdlib
 					-Wl,--version-script,conftest.map
-		       1>&5'; { (eval echo configure:2539: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
+		       1>&5'; { (eval echo configure:2560: \"$ac_try\") 1>&am