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eeabe8776d
1998-12-02 Ulrich Drepper <drepper@cygnus.com> * elf/elf.h: Add R_MIPS_JALR and adjust R_MIPS_NUM appropriately. 1998-12-02 Andreas Jaeger <aj@arthur.rhein-neckar.de> * inet/Versions: Remove inet6_isipv4mapped. 1998-12-02 Philip Blundell <pb@nexus.co.uk> * inet/in6_addr.c (inet6_isipv4mapped): Obsolete, deleted. 1998-11-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * manual/time.texi (Formatting Date and Time): Fix typo. 1998-11-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * sysdeps/unix/sysv/linux/configure.in: Only check for symlinks when configuring natively. Use autoconf macros instead of rolling our own. Handle defaulted prefix.
132 lines
4.2 KiB
Plaintext
132 lines
4.2 KiB
Plaintext
sinclude(./aclocal.m4)dnl Autoconf lossage
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/unix/sysv/linux.
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# On Linux, the default is to use libio instead of stdio.
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test $stdio = default && stdio=libio
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# Don't bother trying to generate any glue code to be compatible with the
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# existing system library, because we are the only system library.
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inhibit_glue=yes
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define([LIBC_LINUX_VERSION],[2.0.10])dnl
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if test -n "$sysheaders"; then
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OLD_CFLAGS=$CFLAGS
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CFLAGS="$CFLAGS $SYSINCLUDES"
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fi
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define([libc_cv_linuxVER], [libc_cv_linux]patsubst(LIBC_LINUX_VERSION,[\.]))dnl
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AC_CACHE_CHECK(installed Linux kernel header files, libc_cv_linuxVER, [dnl
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AC_TRY_COMPILE([#include <linux/version.h>],
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[#if LINUX_VERSION_CODE < ]dnl
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patsubst(LIBC_LINUX_VERSION,[^\([^.]*\)\.\([^.]*\)\.\([^.]*\)$],dnl
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[ (\1 *65536+ \2 *256+ \3) /* \1.\2.\3 */])[
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eat flaming death
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#endif],
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libc_cv_linuxVER='LIBC_LINUX_VERSION or later',
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libc_cv_linuxVER='TOO OLD!')])
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if test "$libc_cv_linuxVER" != 'LIBC_LINUX_VERSION or later'; then
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AC_MSG_ERROR([GNU libc requires kernel header files from
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Linux LIBC_LINUX_VERSION 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 LIBC_LINUX_VERSION 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.])
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fi
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if test -n "$sysheaders"; then
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CFLAGS=$OLD_CFLAGS
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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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if test "$prefix" = "/usr"; then
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libc_cv_slibdir="/lib"
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libc_cv_sysconfdir="/etc"
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libc_cv_rootsbindir="/sbin"
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fi
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# Under Linux the LinuxThreads and crypt add-on should be available.
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case $add_ons in
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# Both are available. Good.
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*linuxthreads*crypt* | *crypt*linuxthreads*)
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message=
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;;
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*linuxthreads*)
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message="\
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*** WARNING:
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*** Are you sure you do not want to use the \`crypt' add-on?"
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;;
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*crypt*)
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message="\
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*** WARNING:
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*** Are you sure you do not want to use the \`linuxthread' add-on?"
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;;
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*)
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message="\
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*** WARNING: Are you sure you do not want to use the \`linuxthreads'
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*** and \`crypt' add-ons?"
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;;
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esac
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if test "$message"; then
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if test $enable_sanity = yes; then
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echo "\
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*** You should not compile the GNU libc without the \`linuxthreads' and
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*** \`crypt' add-on. Not using them risks to be incompatible with the
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*** libraries of other systems. Consider getting the add-ons and restart
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*** the configuration.
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*** If you really mean to avoid those add-ons run configure again, now
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*** using the extra parameter \`--disable-sanity-checks'."
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exit 1
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else
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echo "$message"
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fi
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fi
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# Check whether `ldconfig' sources are available. This will go away as soon
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# as ldconfig is available in GNU libc.
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if test -f $srcdir/elf/ldconfig.c; then
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has_ldconfig=yes
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fi
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# We need some extensions to the `ldd' script.
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changequote(,)
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case "$machine" in
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i[3456]86* | m68* | sparc/sparc32)
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ldd_rewrite_script=../sysdeps/unix/sysv/linux/ldd-rewrite.sed
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;;
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*)
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;;
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esac
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changequote([,])
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if test $host = $build; then
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# If $prefix/include/{net,scsi} are symlinks, make install will
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# clobber what they're linked to (probably a kernel tree).
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# test -L ought to work on all Linux boxes.
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if test "x$prefix" != xNONE; then
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ac_prefix=$prefix
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else
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ac_prefix=$ac_default_prefix
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fi
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AC_MSG_CHECKING([for symlinks in ${ac_prefix}/include])
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if test -L ${ac_prefix}/include/net; then
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message=" ${ac_prefix}/include/net is a symlink"
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fi
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if test -L ${ac_prefix}/include/scsi; then
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message="$message
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${ac_prefix}/include/scsi is a symlink"
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fi
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if test -n "$message"; then
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AC_MSG_ERROR([
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$message
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\`make install' will destroy the target of the link(s).
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Delete the links and re-run configure, or better still, move the entire
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${ac_prefix}/include directory out of the way.])
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else
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AC_MSG_RESULT(ok)
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fi
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fi
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