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configure.in for alpha
- To: libc-hacker@cygnus.com
- Subject: configure.in for alpha
- From: Andreas Jaeger <aj@arthur.rhein-neckar.de>
- Date: Wed, 12 Aug 1998 07:52:24 +0200 (CEST)
Okay, here's the configure.in for sysdeps/unix/sysv/linux/alpha. I've
checked it on ix86 and alpha and noticed one problem:
The check uses <linux/version.h> without considering the path
specified via --with-headers :-(. How can the configure test changed
to obey --with-headers?
Andreas
1998-08-12 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/alpha/configure.in: New file, contains
test for recent Linux 2.1.100+ headers.
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/alpha.
# 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],[2.1.100])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
--
Andreas Jaeger aj@arthur.rhein-neckar.de jaeger@informatik.uni-kl.de
for pgp-key finger ajaeger@alma.student.uni-kl.de