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dnl -*- shell-script -*-
dnl Process this file with autoconf to produce a configure script.
dnl we need autoconf >= 2.50
AC_PREREQ(2.50)
AC_INIT(kernel/mpio.c)
dnl AM_CONFIG_HEADER(src/config.h)
AC_CANONICAL_SYSTEM()
AC_MSG_RESULT(Building for a ${host} host.)
AM_INIT_AUTOMAKE(mpio, 0.7.1-2003101901)
dnl Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CC
AM_PROG_LIBTOOL
dnl Check for endianess
AC_LANG_C
AC_C_BIGENDIAN
dnl Checks for header files.
AC_CHECK_HEADER(getopt.h,HAVE_GETOPT_H=1,HAVE_GETOPT_H=0)
AC_SUBST(HAVE_GETOPT_H)
dnl --- checking for readline
AC_CHECK_HEADER(readline/readline.h,,
AC_ERROR(could not find readline header files))
dnl --- include mplib if not disabled manually
AC_DEFUN([TEST_MPLIB],
[AC_ARG_WITH([mplib],
AC_HELP_STRING([--without-mplib],
[disable use of mplib]),
[ac_cv_use_mplib=$withval], [ac_cv_use_mplib=yes])
AC_CACHE_CHECK([whether to use mplib],
[ac_cv_use_mplib], [ac_cv_use_mplib=yes])])
TEST_MPLIB
if test "$ac_cv_use_mplib" = yes; then
MPLIB_INCLUDE=-Implib
MPLIB_CFLAGS=-DMPLIB
fi
AC_SUBST(MPLIB_INCLUDE)
AC_SUBST(MPLIB_CFLAGS)
dnl -- check for libusb
dnl -- this is stolen from libgphoto2
AC_PATH_PROG(LIBUSB_CONFIG,libusb-config)
if test -n "${LIBUSB_CONFIG}"; then
CPPFLAGS_save="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS `$LIBUSB_CONFIG --cflags`"
AC_CHECK_HEADER(usb.h,[
LDFLAGS_orig="$LDFLAGS"
LDFLAGS="`$LIBUSB_CONFIG --libs`"
AC_CHECK_LIB(usb,usb_busses,[
usb_msg="yes"
IOLIB_SUBDIRS="$IOLIB_SUBDIRS usb"
USB_LIBS="`$LIBUSB_CONFIG --libs`"
USB_CFLAGS="`$LIBUSB_CONFIG --cflags`"
LIBUSB_VER="`$LIBUSB_CONFIG --version`"],[
usb_msg="no (available version too old)"])
LDFLAGS="$LDFLAGS_orig"])
CPPFLAGS="$CPPFLAGS_save"
fi
# This 'test' call uses non-standard syntax and will fail on most
# systems, but it's just informational so any warning can be ignored.
if test "$LIBUSB_VER" \< "0.1.6"; then
AC_MSG_WARN([
*** You need at least version 0.1.6 of the libusb library for USB support
*** http://sourceforge.net/projects/libusb/
*** If you cannot find the appropriate version, try CVS
])
fi
case "$usb_msg" in
yes*) AC_DEFINE(HAVE_USB,1,[Whether you have USB support enabled]);;
*) ;;
esac
AC_SUBST(USB_CFLAGS)
AC_SUBST(USB_LIBS)
dnl --- only use deprecated kernel module if requested
AC_DEFUN([TEST_KERNEL],
[AC_ARG_WITH([kernel-module],
AC_HELP_STRING([--with-kernel-module],
[enable the deprecated kernel module for 2.2.x and 2.4.x]),
[ac_cv_use_kernel=$withval], [ac_cv_use_kernel=no])
AC_CACHE_CHECK([whether to build the kernel module],
[ac_cv_use_kernel], [ac_cv_use_kernel=no])])
TEST_KERNEL
if test "$ac_cv_use_kernel" = yes; then
MPIO_KERNEL=kernel
dnl --- check for kernel version
kernel_version=`uname -r 2>&1`
echo -n "checking for kernel version ... "
case "$kernel_version" in
'') kernel_version="?.??"; _k_verc_fail=yes;;
[[0-1]].[[0-9]].[[0-9]]*|2.[[0-1]].[[0-9]]*|2.[[5-9]].[[0-9]]*|3.[[0-9]]*.[[0-9]]*)
_k_verc_fail=yes;;
*) k_ver_fail=no;;
esac
echo $kernel_version
if test "$_k_verc_fail" ; then
echo " Your kernel version does not match."
echo " The kernel module only works for kernel 2.2.x and 2.4.x."
AC_ERROR(wrong kernel version)
unset MPIO_KERNEL
fi
MODULE_PATH="/lib/modules/${kernel_version}"
if test -d "${MODULE_PATH}/kernel/drivers/usb"; then
MODULE_PATH="${MODULE_PATH}/kernel/drivers/usb"
SPEC_PATH="kernel/drivers/usb"
else
MODULE_PATH="${MODULE_PATH}/misc"
SPEC_PATH="misc"
fi
AC_MSG_RESULT(Using module path ${MODULE_PATH}.)
AC_SUBST(MODULE_PATH)
AC_SUBST(SPEC_PATH)
KERNEL_INCLUDE=
if test -d "/lib/modules/${kernel_version}/build/include"; then
KERNEL_INCLUDE="/lib/modules/${kernel_version}/build/include"
elif test -d "/usr/src/linux-2.4/include"; then
KERNEL_INCLUDE="/usr/src/linux-2.4/include"
elif test -d "/usr/include/linux"; then
KERNEL_INCLUDE="/usr/include/linux"
elif test -d "/usr/src/linux/include"; then
KERNEL_INCLUDE="/usr/src/linux/include"
fi
if test -z ${KERNEL_INCLUDE}; then
AC_ERROR(could not find directory of kernel include files)
else
AC_MSG_RESULT(Using kernel includes from ${KERNEL_INCLUDE})
fi
AC_SUBST(KERNEL_INCLUDE)
fi
AC_SUBST(MPIO_KERNEL)
dnl ------------------------------------------------------------
# could not find a way to compile the kernel module correctly
# kernel/Makefile
AC_OUTPUT(
Makefile
kernel/Makefile
libmpio/Makefile
mpiosh/Makefile
etc/Makefile
tools/Makefile
mpio.spec
)
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