mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 05:40:06 +00:00
246ec41199
__fe_nomask_env. * sysdeps/powerpc/fpu/fe_nomask.c: Add libm_hidden_def. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c: Likewise. * sysdeps/powerpc/bits/fenv.h: Make safe for C++. * sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h: New file. * sysdeps/powerpc/fpu/fegetexcept.c (__fegetexcept): Rename function from fegetexcept and make old name weak alias. * include/fenv.h: Declare __fegetexcept. * sysdeps/powerpc/fpu/fedisblxcpt.c: Use __fegetexcept instead of fegetexcept. * sysdeps/powerpc/fpu/feenablxcpt.c: Likewise. * sysdeps/powerpc/fpu/fraiseexcpt.c (__feraiseexcept): Avoid call to fetestexcept. * sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (__log1pl): Use __frexpl instead of frexpl to avoid local PLT. * math/s_significandl.c (__significandl): Use __ilogbl instead of ilogbl to avoid local PLT. * sysdeps/ieee754/ldbl-128ibm/s_expm1l.c (__expm1l): Use __ldexpl instead of ldexpl to avoid local PLT. * sysdeps/ieee754/ldbl-128ibm/e_expl.c (__ieee754_expl): Use __roundl not roundl to avoid local PLT. * sysdeps/ieee754/ldbl-128/e_j0l.c: Use function names which avoid local PLTs. Use __sincosl instead of separate sinl and cosl calls. * sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise.
515 lines
16 KiB
Plaintext
515 lines
16 KiB
Plaintext
# 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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# The Linux kernel headers can be found in
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# /lib/modules/$(uname -r)/build/include
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# Check whether this directory is available.
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if test -z "$sysheaders" &&
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test "x$cross_compiling" = xno &&
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test -d /lib/modules/`uname -r`/build/include; then
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sysheaders="/lib/modules/`uname -r`/build/include"
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ccheaders=`$CC -print-file-name=include`
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SYSINCLUDES="-I $sysheaders"
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fi
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# Don't bother trying to generate any glue code to be compatible with the
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# existing system library, because we are the only system library.
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inhibit_glue=yes
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if test -n "$sysheaders"; then
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OLD_CPPFLAGS=$CPPFLAGS
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CPPFLAGS="$CPPFLAGS $SYSINCLUDES"
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fi
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{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
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echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
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if test "${ac_cv_path_GREP+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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# Extract the first word of "grep ggrep" to use in msg output
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if test -z "$GREP"; then
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set dummy grep ggrep; ac_prog_name=$2
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if test "${ac_cv_path_GREP+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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ac_path_GREP_found=false
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# Loop through the user's path and test for each of PROGNAME-LIST
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as_save_IFS=$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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echo $ECHO_N "0123456789$ECHO_C" >"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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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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ac_count=`expr $ac_count + 1`
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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=$as_save_IFS
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fi
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GREP="$ac_cv_path_GREP"
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if test -z "$GREP"; then
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{ { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
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echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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else
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ac_cv_path_GREP=$GREP
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fi
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fi
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{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
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echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
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GREP="$ac_cv_path_GREP"
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{ echo "$as_me:$LINENO: checking for egrep" >&5
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echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }
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if test "${ac_cv_path_EGREP+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&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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# Extract the first word of "egrep" to use in msg output
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if test -z "$EGREP"; then
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set dummy egrep; ac_prog_name=$2
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if test "${ac_cv_path_EGREP+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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ac_path_EGREP_found=false
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# Loop through the user's path and test for each of PROGNAME-LIST
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as_save_IFS=$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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echo $ECHO_N "0123456789$ECHO_C" >"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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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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ac_count=`expr $ac_count + 1`
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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=$as_save_IFS
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fi
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EGREP="$ac_cv_path_EGREP"
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if test -z "$EGREP"; then
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{ { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
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echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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else
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ac_cv_path_EGREP=$EGREP
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fi
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fi
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fi
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{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
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echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
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EGREP="$ac_cv_path_EGREP"
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{ echo "$as_me:$LINENO: checking installed Linux kernel header files" >&5
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echo $ECHO_N "checking installed Linux kernel header files... $ECHO_C" >&6; }
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if test "${libc_cv_linux2010+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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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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$EGREP "eat flaming death" >/dev/null 2>&1; then
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libc_cv_linux2010='TOO OLD!'
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else
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libc_cv_linux2010='2.0.10 or later'
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fi
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rm -f conftest*
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fi
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{ echo "$as_me:$LINENO: result: $libc_cv_linux2010" >&5
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echo "${ECHO_T}$libc_cv_linux2010" >&6; }
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if test "$libc_cv_linux2010" != '2.0.10 or later'; then
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{ { echo "$as_me:$LINENO: 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." >&5
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echo "$as_me: error: GNU libc requires kernel header files from
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Linux 2.0.10 or later to be installed before configuring.
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The kernel header files are found usually in /usr/include/asm and
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/usr/include/linux; make sure these directories use files from
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Linux 2.0.10 or later. This check uses <linux/version.h>, so
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make sure that file was built correctly when installing the kernel header
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files. To use kernel headers not from /usr/include/linux, use the
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configure option --with-headers." >&2;}
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{ (exit 1); exit 1; }; }
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fi
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# If the user gave a minimal version number test whether the available
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# kernel headers are young enough. Additionally we have minimal
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# kernel versions for some architectures. If a previous configure fragment
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# set arch_minimum_kernel already, let that override our defaults here.
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# Note that we presume such a fragment has set libc_cv_gcc_unwind_find_fde
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# if appropriate too.
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test -n "$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 $arch_version; then
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{ echo "$as_me:$LINENO: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5
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echo "$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 "$minimum_kernel"; then
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{ echo "$as_me:$LINENO: checking for kernel header at least $minimum_kernel" >&5
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echo $ECHO_N "checking for kernel header at least $minimum_kernel... $ECHO_C" >&6; }
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decnum=`echo "$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 >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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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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{ echo "$as_me:$LINENO: result: $libc_minimum_kernel" >&5
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echo "${ECHO_T}$libc_minimum_kernel" >&6; }
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if test "$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 $abinum
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_ACEOF
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else
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{ { echo "$as_me:$LINENO: error: *** The available kernel headers are older than the requested
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*** compatible kernel version" >&5
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echo "$as_me: error: *** The available kernel headers are older than the requested
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*** compatible kernel version" >&2;}
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{ (exit 1); exit 1; }; }
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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 $add_ons in
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# It is available. Good.
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*nptl*)
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nptl_missing=
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;;
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*)
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nptl_missing=yes
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;;
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esac
|
|
|
|
if test "$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
|
|
{ echo "$as_me:$LINENO: checking for symlinks in ${ac_prefix}/include" >&5
|
|
echo $ECHO_N "checking for symlinks in ${ac_prefix}/include... $ECHO_C" >&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
|
|
{ { echo "$as_me:$LINENO: 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
|
|
${ac_prefix}/include directory out of the way." >&5
|
|
echo "$as_me: 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
|
|
${ac_prefix}/include directory out of the way." >&2;}
|
|
{ (exit 1); exit 1; }; }
|
|
else
|
|
{ echo "$as_me:$LINENO: result: ok" >&5
|
|
echo "${ECHO_T}ok" >&6; }
|
|
fi
|
|
fi
|
|
|
|
# We have inlined syscalls.
|
|
cat >>confdefs.h <<\_ACEOF
|
|
#define HAVE_INLINED_SYSCALLS 1
|
|
_ACEOF
|
|
|