ac_default_prefix=/usr # This file is generated from configure.ac by Autoconf. DO NOT EDIT! # Local configure fragment for sysdeps/unix/sysv/linux. if test -n "$sysheaders"; then OLD_CPPFLAGS=$CPPFLAGS CPPFLAGS="$CPPFLAGS $SYSINCLUDES" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking installed Linux kernel header files" >&5 printf %s "checking installed Linux kernel header files... " >&6; } if test ${libc_cv_linux320+y} then : printf %s "(cached) " >&6 else case e in #( e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #if !defined LINUX_VERSION_CODE || LINUX_VERSION_CODE < (3 *65536+ 2 *256+ 0) /* 3.2.0 */ # error kernel headers missing or too old #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_cpp "$LINENO" then : libc_cv_linux320='3.2.0 or later' else case e in #( e) libc_cv_linux320='missing or too old!' ;; esac fi rm -f conftest.err conftest.i conftest.$ac_ext ;; esac fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_linux320" >&5 printf "%s\n" "$libc_cv_linux320" >&6; } if test "$libc_cv_linux320" != '3.2.0 or later'; then as_fn_error $? "GNU libc requires kernel header files from Linux 3.2.0 or later to be installed before configuring. The kernel header files are found usually in /usr/include/asm and /usr/include/linux; make sure these directories use files from Linux 3.2.0 or later. This check uses , so make sure that file was built correctly when installing the kernel header files. To use kernel headers not from /usr/include/linux, use the configure option --with-headers." "$LINENO" 5 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 "$arch_minimum_kernel" || arch_minimum_kernel=3.2.0 if test -n "$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 $arch_version; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5 printf "%s\n" "$as_me: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&2;} minimum_kernel=$arch_minimum_kernel fi else minimum_kernel=$arch_minimum_kernel fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5 printf %s "checking for kernel header at least $minimum_kernel... " >&6; } decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`; abinumstr=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1.\2.\3/'`; abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`; cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #if LINUX_VERSION_CODE < $decnum # error kernel headers too old #endif int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_cpp "$LINENO" then : libc_minimum_kernel=ok else case e in #( e) libc_minimum_kernel='too old!' ;; esac fi rm -f conftest.err conftest.i conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5 printf "%s\n" "$libc_minimum_kernel" >&6; } if test "$libc_minimum_kernel" = ok; then printf "%s\n" "#define __LINUX_KERNEL_VERSION $decnum" >>confdefs.h printf "%s\n" "#define __LINUX_KERNEL_VERSION_STR \"$abinumstr\"" >>confdefs.h printf "%s\n" "#define __ABI_TAG_VERSION $abinum" >>confdefs.h else as_fn_error $? "*** The available kernel headers are older than the requested *** compatible kernel version" "$LINENO" 5 fi if test -n "$sysheaders"; then CPPFLAGS=$OLD_CPPFLAGS fi if test "$prefix" = "/usr/local" -o "$prefix" = "/usr/local/"; 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 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 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for symlinks in ${ac_prefix}/include" >&5 printf %s "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 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ok" >&5 printf "%s\n" "ok" >&6; } fi fi # We have inlined syscalls. printf "%s\n" "#define HAVE_INLINED_SYSCALLS 1" >>confdefs.h