mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 10:20:06 +00:00
544 lines
16 KiB
Plaintext
544 lines
16 KiB
Plaintext
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# as_fn_set_status STATUS
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# -----------------------
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# Set $? to STATUS, without forking.
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as_fn_set_status ()
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{
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return $1
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} # as_fn_set_status
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# as_fn_exit STATUS
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# -----------------
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# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
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as_fn_exit ()
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{
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set +e
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as_fn_set_status $1
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exit $1
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} # as_fn_exit
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# as_fn_arith ARG...
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# ------------------
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# Perform arithmetic evaluation on the ARGs, and store the result in the
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# global $as_val. Take advantage of shells that can avoid forks. The arguments
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# must be portable across $(()) and expr.
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if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
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eval 'as_fn_arith ()
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{
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as_val=$(( $* ))
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}'
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else
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as_fn_arith ()
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{
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as_val=`expr "$@" || test $? -eq 1`
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}
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fi # as_fn_arith
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if expr a : '\(a\)' >/dev/null 2>&1 &&
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test "X`expr 00001 : '.*\(...\)'`" = X001; then
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as_expr=expr
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else
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as_expr=false
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fi
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if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
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as_basename=basename
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else
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as_basename=false
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fi
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as_me=`$as_basename -- "$0" ||
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$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
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X"$0" : 'X\(//\)$' \| \
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X"$0" : 'X\(/\)' \| . 2>/dev/null ||
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$as_echo X/"$0" |
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sed '/^.*\/\([^/][^/]*\)\/*$/{
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s//\1/
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q
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}
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/^X\/\(\/\/\)$/{
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s//\1/
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q
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}
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/^X\/\(\/\).*/{
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s//\1/
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q
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}
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s/.*/./; q'`
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as_lineno_1=$LINENO as_lineno_1a=$LINENO
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as_lineno_2=$LINENO as_lineno_2a=$LINENO
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eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
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test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
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# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
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sed -n '
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p
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/[$]LINENO/=
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' <$as_myself |
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sed '
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s/[$]LINENO.*/&-/
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t lineno
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b
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:lineno
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N
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:loop
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s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
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t loop
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s/-\n.*//
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' >$as_me.lineno &&
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chmod +x "$as_me.lineno" ||
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{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
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# Don't try to exec as it changes $[0], causing all sort of problems
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# (the dirname of $[0] is not the place where we might find the
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# original and so on. Autoconf is especially sensitive to this).
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. "./$as_me.lineno"
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# Exit status is that of the last command.
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exit
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}
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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/unix/sysv/linux.
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# Don't bother trying to generate any glue code to be compatible with the
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# existing system library, because we are the only system library.
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inhibit_glue=yes
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if test -n "$sysheaders"; then
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OLD_CPPFLAGS=$CPPFLAGS
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CPPFLAGS="$CPPFLAGS $SYSINCLUDES"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
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$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
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if ${ac_cv_path_GREP+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if test -z "$GREP"; then
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ac_path_GREP_found=false
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# Loop through the user's path and test for each of PROGNAME-LIST
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_prog in grep ggrep; do
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for ac_exec_ext in '' $ac_executable_extensions; do
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ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
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{ test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
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# Check for GNU ac_path_GREP and select it if it is found.
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# Check for GNU $ac_path_GREP
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case `"$ac_path_GREP" --version 2>&1` in
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*GNU*)
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ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
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*)
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ac_count=0
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$as_echo_n 0123456789 >"conftest.in"
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while :
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do
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cat "conftest.in" "conftest.in" >"conftest.tmp"
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mv "conftest.tmp" "conftest.in"
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cp "conftest.in" "conftest.nl"
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$as_echo 'GREP' >> "conftest.nl"
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"$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
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as_fn_arith $ac_count + 1 && ac_count=$as_val
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if test $ac_count -gt ${ac_path_GREP_max-0}; then
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# Best one so far, save it but keep looking for a better one
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ac_cv_path_GREP="$ac_path_GREP"
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ac_path_GREP_max=$ac_count
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fi
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# 10*(2^10) chars as input seems more than enough
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test $ac_count -gt 10 && break
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done
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rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
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esac
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$ac_path_GREP_found && break 3
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done
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done
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done
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IFS=$as_save_IFS
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if test -z "$ac_cv_path_GREP"; then
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as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
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fi
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else
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ac_cv_path_GREP=$GREP
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
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$as_echo "$ac_cv_path_GREP" >&6; }
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GREP="$ac_cv_path_GREP"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
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$as_echo_n "checking for egrep... " >&6; }
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if ${ac_cv_path_EGREP+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
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then ac_cv_path_EGREP="$GREP -E"
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else
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if test -z "$EGREP"; then
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ac_path_EGREP_found=false
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# Loop through the user's path and test for each of PROGNAME-LIST
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_prog in egrep; do
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for ac_exec_ext in '' $ac_executable_extensions; do
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ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
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{ test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
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# Check for GNU ac_path_EGREP and select it if it is found.
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# Check for GNU $ac_path_EGREP
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case `"$ac_path_EGREP" --version 2>&1` in
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*GNU*)
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ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
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*)
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ac_count=0
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$as_echo_n 0123456789 >"conftest.in"
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while :
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do
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cat "conftest.in" "conftest.in" >"conftest.tmp"
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mv "conftest.tmp" "conftest.in"
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cp "conftest.in" "conftest.nl"
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$as_echo 'EGREP' >> "conftest.nl"
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"$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
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as_fn_arith $ac_count + 1 && ac_count=$as_val
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if test $ac_count -gt ${ac_path_EGREP_max-0}; then
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# Best one so far, save it but keep looking for a better one
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ac_cv_path_EGREP="$ac_path_EGREP"
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ac_path_EGREP_max=$ac_count
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fi
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# 10*(2^10) chars as input seems more than enough
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test $ac_count -gt 10 && break
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done
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rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
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esac
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$ac_path_EGREP_found && break 3
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done
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done
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done
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IFS=$as_save_IFS
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if test -z "$ac_cv_path_EGREP"; then
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as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
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fi
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else
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ac_cv_path_EGREP=$EGREP
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fi
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
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$as_echo "$ac_cv_path_EGREP" >&6; }
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EGREP="$ac_cv_path_EGREP"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking installed Linux kernel header files" >&5
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$as_echo_n "checking installed Linux kernel header files... " >&6; }
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if ${libc_cv_linux2010+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <linux/version.h>
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#if !defined LINUX_VERSION_CODE || LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 10) /* 2.0.10 */
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eat flaming death
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#endif
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "eat flaming death" >/dev/null 2>&1; then :
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libc_cv_linux2010='TOO OLD!'
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else
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libc_cv_linux2010='2.0.10 or later'
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_linux2010" >&5
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$as_echo "$libc_cv_linux2010" >&6; }
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if test "$libc_cv_linux2010" != '2.0.10 or later'; then
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as_fn_error $? "GNU libc requires kernel header files from
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Linux 2.0.10 or later to be installed before configuring.
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The kernel header files are found usually in /usr/include/asm and
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/usr/include/linux; make sure these directories use files from
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Linux 2.0.10 or later. This check uses <linux/version.h>, so
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make sure that file was built correctly when installing the kernel header
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files. To use kernel headers not from /usr/include/linux, use the
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configure option --with-headers." "$LINENO" 5
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fi
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# If the user gave a minimal version number test whether the available
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# kernel headers are young enough. Additionally we have minimal
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# kernel versions for some architectures. If a previous configure fragment
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# set arch_minimum_kernel already, let that override our defaults here.
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# Note that we presume such a fragment has set libc_cv_gcc_unwind_find_fde
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# if appropriate too.
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test -n "$arch_minimum_kernel" ||
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case "$machine" in
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alpha*)
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arch_minimum_kernel=2.1.100
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libc_cv_gcc_unwind_find_fde=yes
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;;
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arm*)
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arch_minimum_kernel=2.0.10
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libc_cv_gcc_unwind_find_fde=yes
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;;
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i386*)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.0.10
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;;
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ia64*)
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arch_minimum_kernel=2.4.0
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;;
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hppa*)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.19
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;;
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m68k*)
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arch_minimum_kernel=2.0.10
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libc_cv_gcc_unwind_find_fde=yes
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;;
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powerpc/powerpc32)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.0.10
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;;
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powerpc/powerpc64)
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arch_minimum_kernel=2.4.21
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;;
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s390/s390-32)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.2.10
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;;
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s390/s390-64)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.0
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;;
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sh*)
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arch_minimum_kernel=2.3.99
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libc_cv_gcc_unwind_find_fde=yes
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;;
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sparc/sparc64*)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.4.21
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;;
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sparc*)
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libc_cv_gcc_unwind_find_fde=yes
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arch_minimum_kernel=2.0.10
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;;
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x86_64*)
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arch_minimum_kernel=2.4.0
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;;
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*)
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arch_minimum_kernel=2.0.10
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;;
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esac
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if test -n "$minimum_kernel"; then
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user_version=$((`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`))
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arch_version=$((`echo "$arch_minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`))
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if test $user_version -lt $arch_version; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5
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$as_echo "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&2;}
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minimum_kernel=$arch_minimum_kernel
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fi
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else
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if test $arch_minimum_kernel != '2.0.10'; then
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minimum_kernel=$arch_minimum_kernel
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fi
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fi
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if test -n "$minimum_kernel"; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5
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$as_echo_n "checking for kernel header at least $minimum_kernel... " >&6; }
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decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
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abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <linux/version.h>
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#if LINUX_VERSION_CODE < $decnum
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eat flaming death
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#endif
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "eat flaming death" >/dev/null 2>&1; then :
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libc_minimum_kernel='too old!'
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else
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libc_minimum_kernel=ok
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fi
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rm -f conftest*
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5
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$as_echo "$libc_minimum_kernel" >&6; }
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if test "$libc_minimum_kernel" = ok; then
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cat >>confdefs.h <<_ACEOF
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#define __LINUX_KERNEL_VERSION $decnum
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_ACEOF
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cat >>confdefs.h <<_ACEOF
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#define __ABI_TAG_VERSION $abinum
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_ACEOF
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else
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as_fn_error $? "*** The available kernel headers are older than the requested
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*** compatible kernel version" "$LINENO" 5
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fi
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fi
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# The result of the above test for the use of the FDE code is invalid if
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# the user overrides the decision about the minimum ABI.
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if test "$oldest_abi" != default && test "2.2.4" \< "$oldest_abi"; then
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libc_cv_gcc_unwind_find_fde=no
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fi
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if test -n "$sysheaders"; then
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CPPFLAGS=$OLD_CPPFLAGS
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fi
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# The Linux filesystem standard prescribes where to place "essential"
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# files. I.e., when the installation prefix is "/usr" we have to place
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# shared library objects and the configuration files on the root partition
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# in /lib and /etc.
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case "$prefix" in
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/usr | /usr/)
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# 64-bit libraries on bi-arch platforms go in /lib64 instead of /lib.
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# Allow earlier configure scripts to handle libc_cv_slibdir, libdir,
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# and libc_cv_localedir.
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test -n "$libc_cv_slibdir" || \
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case $machine in
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sparc/sparc64 | x86_64 | powerpc/powerpc64 | s390/s390-64)
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libc_cv_slibdir="/lib64"
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if test "$libdir" = '${exec_prefix}/lib'; then
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libdir='${exec_prefix}/lib64';
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# Locale data can be shared between 32bit and 64bit libraries
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libc_cv_localedir='${exec_prefix}/lib/locale'
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fi
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;;
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*)
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libc_cv_slibdir="/lib"
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;;
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esac
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# Allow the user to override the path with --sysconfdir
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|
if test $sysconfdir = '${prefix}/etc'; then
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libc_cv_sysconfdir=/etc
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else
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libc_cv_sysconfdir=$sysconfdir
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fi
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libc_cv_rootsbindir="/sbin"
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;;
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|
esac
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# Under Linux the NPTL add-on should be available.
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|
case $add_ons in
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# It is available. Good.
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*nptl*)
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nptl_missing=
|
|
;;
|
|
*)
|
|
nptl_missing=yes
|
|
;;
|
|
esac
|
|
|
|
if test "$nptl_missing"; then
|
|
if test $enable_sanity = yes; then
|
|
echo "\
|
|
*** On GNU/Linux systems it is normal to compile GNU libc with the
|
|
*** \`nptl' add-on. Without that, the library will be
|
|
*** incompatible with normal GNU/Linux systems.
|
|
*** If you really mean to not use this add-on, run configure again
|
|
*** using the extra parameter \`--disable-sanity-checks'."
|
|
exit 1
|
|
else
|
|
echo "\
|
|
*** WARNING: Are you sure you do not want to use the \`nptl'
|
|
*** add-on?"
|
|
fi
|
|
fi
|
|
|
|
if test "$prefix" = "/usr/local" -o "$prefix" = "/usr/local/" -o "$prefix" = "NONE"; then
|
|
if test $enable_sanity = yes; then
|
|
echo "\
|
|
*** On GNU/Linux systems the GNU C Library should not be installed into
|
|
*** /usr/local since this might make your system totally unusable.
|
|
*** We strongly advise to use a different prefix. For details read the FAQ.
|
|
*** If you really mean to do this, run configure again using the extra
|
|
*** parameter \`--disable-sanity-checks'."
|
|
exit 1
|
|
else
|
|
echo "\
|
|
*** WARNING: Do you really want to install the GNU C Library into /usr/local?
|
|
*** This might make your system totally unusable, for details read the FAQ."
|
|
fi
|
|
fi
|
|
|
|
|
|
# One Linux we use ldconfig.
|
|
use_ldconfig=yes
|
|
|
|
# We need some extensions to the `ldd' script.
|
|
|
|
case "$machine" in
|
|
i[3456]86* | m68*)
|
|
ldd_rewrite_script=../sysdeps/unix/sysv/linux/ldd-rewrite.sed
|
|
;;
|
|
ia64*)
|
|
ldd_rewrite_script=../sysdeps/unix/sysv/linux/ia64/ldd-rewrite.sed
|
|
;;
|
|
s390*)
|
|
ldd_rewrite_script=../sysdeps/unix/sysv/linux/s390/ldd-rewrite.sed
|
|
;;
|
|
sparc*)
|
|
ldd_rewrite_script=../sysdeps/unix/sysv/linux/sparc/ldd-rewrite.sed
|
|
;;
|
|
x86_64*)
|
|
ldd_rewrite_script=../sysdeps/unix/sysv/linux/x86_64/ldd-rewrite.sed
|
|
;;
|
|
powerpc*)
|
|
ldd_rewrite_script=../sysdeps/unix/sysv/linux/powerpc/ldd-rewrite.sed
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
|
|
|
|
if test $host = $build; then
|
|
# If $prefix/include/{net,scsi} are symlinks, make install will
|
|
# clobber what they're linked to (probably a kernel tree).
|
|
# test -L ought to work on all Linux boxes.
|
|
if test "x$prefix" != xNONE; then
|
|
ac_prefix=$prefix
|
|
else
|
|
ac_prefix=$ac_default_prefix
|
|
fi
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for symlinks in ${ac_prefix}/include" >&5
|
|
$as_echo_n "checking for symlinks in ${ac_prefix}/include... " >&6; }
|
|
ac_message=
|
|
if test -L ${ac_prefix}/include/net; then
|
|
ac_message="$ac_message
|
|
${ac_prefix}/include/net is a symlink"
|
|
fi
|
|
if test -L ${ac_prefix}/include/scsi; then
|
|
ac_message="$ac_message
|
|
${ac_prefix}/include/scsi is a symlink"
|
|
fi
|
|
if test -n "$ac_message"; then
|
|
as_fn_error $? "$ac_message
|
|
\`make install' will destroy the target of the link(s).
|
|
Delete the links and re-run configure, or better still, move the entire
|
|
${ac_prefix}/include directory out of the way." "$LINENO" 5
|
|
else
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
|
|
$as_echo "ok" >&6; }
|
|
fi
|
|
fi
|
|
|
|
# We have inlined syscalls.
|
|
$as_echo "#define HAVE_INLINED_SYSCALLS 1" >>confdefs.h
|
|
|