# This file is generated from configure.in by Autoconf. DO NOT EDIT! # Local configure fragment for sysdeps/unix/sysv/linux. # The Linux kernel headers can be found in # /lib/modules/$(uname -r)/build/include # Check whether this directory is available. if test -z "$sysheaders" && test "x$cross_compiling" = xno && test -d /lib/modules/`uname -r`/build/include; then sysheaders="/lib/modules/`uname -r`/build/include" ccheaders=`$CC -print-file-name=include` SYSINCLUDES="-I $sysheaders" fi # Don't bother trying to generate any glue code to be compatible with the # existing system library, because we are the only system library. inhibit_glue=yes if test -n "$sysheaders"; then OLD_CPPFLAGS=$CPPFLAGS CPPFLAGS="$CPPFLAGS $SYSINCLUDES" fi { echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5 echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; } if test "${ac_cv_path_GREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else # Extract the first word of "grep ggrep" to use in msg output if test -z "$GREP"; then set dummy grep ggrep; ac_prog_name=$2 if test "${ac_cv_path_GREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_path_GREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_prog in grep ggrep; do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue # Check for GNU ac_path_GREP and select it if it is found. # Check for GNU $ac_path_GREP case `"$ac_path_GREP" --version 2>&1` in *GNU*) ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; *) ac_count=0 echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" echo 'GREP' >> "conftest.nl" "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break ac_count=`expr $ac_count + 1` if test $ac_count -gt ${ac_path_GREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_GREP_found && break 3 done done done IFS=$as_save_IFS fi GREP="$ac_cv_path_GREP" if test -z "$GREP"; then { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} { (exit 1); exit 1; }; } fi else ac_cv_path_GREP=$GREP fi fi { echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5 echo "${ECHO_T}$ac_cv_path_GREP" >&6; } GREP="$ac_cv_path_GREP" { echo "$as_me:$LINENO: checking for egrep" >&5 echo $ECHO_N "checking for egrep... $ECHO_C" >&6; } if test "${ac_cv_path_EGREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 then ac_cv_path_EGREP="$GREP -E" else # Extract the first word of "egrep" to use in msg output if test -z "$EGREP"; then set dummy egrep; ac_prog_name=$2 if test "${ac_cv_path_EGREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_path_EGREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_prog in egrep; do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue # Check for GNU ac_path_EGREP and select it if it is found. # Check for GNU $ac_path_EGREP case `"$ac_path_EGREP" --version 2>&1` in *GNU*) ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; *) ac_count=0 echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" echo 'EGREP' >> "conftest.nl" "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break ac_count=`expr $ac_count + 1` if test $ac_count -gt ${ac_path_EGREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_EGREP_found && break 3 done done done IFS=$as_save_IFS fi EGREP="$ac_cv_path_EGREP" if test -z "$EGREP"; then { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} { (exit 1); exit 1; }; } fi else ac_cv_path_EGREP=$EGREP fi fi fi { echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5 echo "${ECHO_T}$ac_cv_path_EGREP" >&6; } EGREP="$ac_cv_path_EGREP" { echo "$as_me:$LINENO: checking installed Linux kernel header files" >&5 echo $ECHO_N "checking installed Linux kernel header files... $ECHO_C" >&6; } if test "${libc_cv_linux2010+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #if !defined LINUX_VERSION_CODE || LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 10) /* 2.0.10 */ eat flaming death #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "eat flaming death" >/dev/null 2>&1; then libc_cv_linux2010='TOO OLD!' else libc_cv_linux2010='2.0.10 or later' fi rm -f conftest* fi { echo "$as_me:$LINENO: result: $libc_cv_linux2010" >&5 echo "${ECHO_T}$libc_cv_linux2010" >&6; } if test "$libc_cv_linux2010" != '2.0.10 or later'; then { { echo "$as_me:$LINENO: error: GNU libc requires kernel header files from Linux 2.0.10 or later to be installed before configuring. The kernel header files are found usually in /usr/include/asm and /usr/include/linux; make sure these directories use files from Linux 2.0.10 or later. This check uses , so make sure that file was built correctly when installing the kernel header files. To use kernel headers not from /usr/include/linux, use the configure option --with-headers." >&5 echo "$as_me: error: GNU libc requires kernel header files from Linux 2.0.10 or later to be installed before configuring. The kernel header files are found usually in /usr/include/asm and /usr/include/linux; make sure these directories use files from Linux 2.0.10 or later. This check uses , so make sure that file was built correctly when installing the kernel header files. To use kernel headers not from /usr/include/linux, use the configure option --with-headers." >&2;} { (exit 1); exit 1; }; } fi # If the user gave a minimal version number test whether the available # kernel headers are young enough. Additionally we have minimal # kernel versions for some architectures. If a previous configure fragment # set arch_minimum_kernel already, let that override our defaults here. # Note that we presume such a fragment has set libc_cv_gcc_unwind_find_fde # if appropriate too. test -n "$arch_minimum_kernel" || case "$machine" in alpha*) arch_minimum_kernel=2.1.100 libc_cv_gcc_unwind_find_fde=yes ;; arm*) arch_minimum_kernel=2.0.10 libc_cv_gcc_unwind_find_fde=yes ;; i386*) libc_cv_gcc_unwind_find_fde=yes arch_minimum_kernel=2.0.10 ;; ia64*) arch_minimum_kernel=2.4.0 ;; hppa*) libc_cv_gcc_unwind_find_fde=yes arch_minimum_kernel=2.4.19 ;; m68k*) arch_minimum_kernel=2.0.10 libc_cv_gcc_unwind_find_fde=yes ;; powerpc/powerpc32) libc_cv_gcc_unwind_find_fde=yes arch_minimum_kernel=2.0.10 ;; powerpc/powerpc64) arch_minimum_kernel=2.4.19 ;; s390/s390-32) libc_cv_gcc_unwind_find_fde=yes arch_minimum_kernel=2.2.10 ;; s390/s390-64) libc_cv_gcc_unwind_find_fde=yes arch_minimum_kernel=2.4.0 ;; sh*) arch_minimum_kernel=2.3.99 libc_cv_gcc_unwind_find_fde=yes ;; sparc/sparc64*) libc_cv_gcc_unwind_find_fde=yes arch_minimum_kernel=2.4.21 ;; sparc*) libc_cv_gcc_unwind_find_fde=yes arch_minimum_kernel=2.0.10 ;; x86_64*) arch_minimum_kernel=2.4.0 ;; *) arch_minimum_kernel=2.0.10 ;; esac if test -n "$minimum_kernel"; then user_version=$((`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`)) arch_version=$((`echo "$arch_minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1 \* 65536 + \2 \* 256 + \3/'`)) if test $user_version -lt $arch_version; then { echo "$as_me:$LINENO: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5 echo "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&2;} minimum_kernel=$arch_minimum_kernel fi else if test $arch_minimum_kernel != '2.0.10'; then minimum_kernel=$arch_minimum_kernel fi fi if test -n "$minimum_kernel"; then { echo "$as_me:$LINENO: checking for kernel header at least $minimum_kernel" >&5 echo $ECHO_N "checking for kernel header at least $minimum_kernel... $ECHO_C" >&6; } decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`; abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`; cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #if LINUX_VERSION_CODE < $decnum eat flaming death #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "eat flaming death" >/dev/null 2>&1; then libc_minimum_kernel='too old!' else libc_minimum_kernel=ok fi rm -f conftest* { echo "$as_me:$LINENO: result: $libc_minimum_kernel" >&5 echo "${ECHO_T}$libc_minimum_kernel" >&6; } if test "$libc_minimum_kernel" = ok; then cat >>confdefs.h <<_ACEOF #define __LINUX_KERNEL_VERSION $decnum _ACEOF cat >>confdefs.h <<_ACEOF #define __ABI_TAG_VERSION $abinum _ACEOF else { { echo "$as_me:$LINENO: error: *** The available kernel headers are older than the requested *** compatible kernel version" >&5 echo "$as_me: error: *** The available kernel headers are older than the requested *** compatible kernel version" >&2;} { (exit 1); exit 1; }; } fi fi # The result of the above test for the use of the FDE code is invalid if # the user overrides the decision about the minimum ABI. if test "$oldest_abi" != default && test "2.2.4" \< "$oldest_abi"; then libc_cv_gcc_unwind_find_fde=no fi if test -n "$sysheaders"; then CPPFLAGS=$OLD_CPPFLAGS fi # The Linux filesystem standard prescribes where to place "essential" # files. I.e., when the installation prefix is "/usr" we have to place # shared library objects and the configuration files on the root partition # in /lib and /etc. case "$prefix" in /usr | /usr/) # 64-bit libraries on bi-arch platforms go in /lib64 instead of /lib. # Allow earlier configure scripts to handle libc_cv_slibdir, libdir, # and libc_cv_localedir. test -n "$libc_cv_slibdir" || \ case $machine in sparc/sparc64 | x86_64 | powerpc/powerpc64 | s390/s390-64) libc_cv_slibdir="/lib64" if test "$libdir" = '${exec_prefix}/lib'; then libdir='${exec_prefix}/lib64'; # Locale data can be shared between 32bit and 64bit libraries libc_cv_localedir='${exec_prefix}/lib/locale' fi ;; *) libc_cv_slibdir="/lib" ;; esac # Allow the user to override the path with --sysconfdir if test $sysconfdir = '${prefix}/etc'; then libc_cv_sysconfdir=/etc else libc_cv_sysconfdir=$sysconfdir fi libc_cv_rootsbindir="/sbin" ;; esac # Under Linux the NPTL add-on should be available. case $add_ons in # It is available. Good. *nptl*) nptl_missing= ;; *) nptl_missing=yes ;; esac if test "$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 { 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