diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/configure')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/configure | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/configure b/REORG.TODO/sysdeps/unix/sysv/linux/configure new file mode 100644 index 0000000000..cace758c01 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/configure @@ -0,0 +1,166 @@ +# 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 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking installed Linux kernel header files" >&5 +$as_echo_n "checking installed Linux kernel header files... " >&6; } +if ${libc_cv_linux320+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <linux/version.h> +#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 () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_linux320='3.2.0 or later' +else + libc_cv_linux320='missing or too old!' +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_linux320" >&5 +$as_echo "$libc_cv_linux320" >&6; } +if test "$libc_cv_linux320" != '3.2.0 or later'; then + as_fn_error $? "GNU libc requires kernel header files from +Linux 3.2.0 or later to be installed before configuring. +The kernel header files are found usually in /usr/include/asm and +/usr/include/linux; make sure these directories use files from +Linux 3.2.0 or later. This check uses <linux/version.h>, so +make sure that file was built correctly when installing the kernel header +files. To use kernel headers not from /usr/include/linux, use the +configure option --with-headers." "$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 + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: minimum kernel version reset to $arch_minimum_kernel" >&5 +$as_echo "$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 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least $minimum_kernel" >&5 +$as_echo_n "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)/'`; +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 <linux/version.h> +#if LINUX_VERSION_CODE < $decnum +# error kernel headers too old +#endif +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_minimum_kernel=ok +else + libc_minimum_kernel='too old!' +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_minimum_kernel" >&5 +$as_echo "$libc_minimum_kernel" >&6; } +if test "$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 + 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/" -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 + +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 + |