89 lines
3.0 KiB
Plaintext
89 lines
3.0 KiB
Plaintext
sinclude(./aclocal.m4)dnl Autoconf lossage
|
|
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
|
|
# Local configure fragment for sysdeps/unix/sysv/linux.
|
|
|
|
# On Linux, the default is to use libio instead of stdio.
|
|
test $stdio = default && stdio=libio
|
|
|
|
# We also use the new malloc by default.
|
|
test $malloc = default && malloc=new-malloc
|
|
|
|
# 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
|
|
|
|
define([LIBC_LINUX_VERSION],[2.0.10])dnl
|
|
define([libc_cv_linuxVER], [libc_cv_linux]patsubst(LIBC_LINUX_VERSION,[\.]))dnl
|
|
AC_CACHE_CHECK(installed Linux kernel header files, libc_cv_linuxVER, [dnl
|
|
AC_TRY_COMPILE([#include <linux/version.h>],
|
|
[#if LINUX_VERSION_CODE < ]dnl
|
|
patsubst(LIBC_LINUX_VERSION,[^\([^.]*\)\.\([^.]*\)\.\([^.]*\)$],dnl
|
|
[ (\1 *65536+ \2 *256+ \3) /* \1.\2.\3 */])[
|
|
eat flaming death
|
|
#endif],
|
|
libc_cv_linuxVER='LIBC_LINUX_VERSION or later',
|
|
libc_cv_linuxVER='TOO OLD!')])
|
|
if test "$libc_cv_linuxVER" != 'LIBC_LINUX_VERSION or later'; then
|
|
AC_MSG_ERROR([GNU libc requires kernel header files from
|
|
Linux LIBC_LINUX_VERSION 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 LIBC_LINUX_VERSION or later. This check uses <linux/version.h>, so
|
|
make sure that file was built correctly when installing the kernel header
|
|
files.])
|
|
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.
|
|
if test "$prefix" = "/usr"; then
|
|
libc_cv_slibdir="/lib"
|
|
libc_cv_sysconfdir="/etc"
|
|
libc_cv_rootsbindir="/sbin"
|
|
fi
|
|
|
|
# Under Linux the LinuxThreads and crypt add-on should be available.
|
|
case $add_ons in
|
|
# Both are available. Good.
|
|
*linuxthreads*crypt* | *crypt*linuxthreads*)
|
|
message=
|
|
;;
|
|
*linuxthreads*)
|
|
message="\
|
|
*** WARNING:
|
|
*** Are you sure you do not want to use the \`crypt' add-on?"
|
|
;;
|
|
*crypt*)
|
|
message="\
|
|
*** WARNING:
|
|
*** Are you sure you do not want to use the \`linuxthread' add-on?"
|
|
;;
|
|
*)
|
|
message="\
|
|
*** WARNING: Are you sure you do not want to use the \`linuxthreads'
|
|
*** and \`crypt' add-ons?"
|
|
;;
|
|
esac
|
|
|
|
if test "$message"; then
|
|
if test $enable_sanity = yes; then
|
|
echo "\
|
|
*** You should not compile the GNU libc without the \`linuxthreads' and
|
|
*** \`crypt' add-on. Not using them risks to be incompatible with the
|
|
*** libraries of other systems. Consider getting the add-ons and restart
|
|
*** the configuration.
|
|
*** If you really mean to avoid those add-ons run configure again, now
|
|
*** using the extra parameter \`--disable-sanity-checks'."
|
|
exit 1
|
|
else
|
|
echo "$message"
|
|
fi
|
|
fi
|
|
|
|
# Check whether `ldconfig' sources are available. This will go away as soon
|
|
# as ldconfig is available in GNU libc.
|
|
if test -f $srcdir/elf/ldconfig.c; then
|
|
has_ldconfig=yes
|
|
fi
|