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dnl Process this file with autoconf to create configure.
AC_INIT
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(libnfnetlink, 0.0.10)
AC_PROG_CC
AC_EXEEXT
AM_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)
case $target in
*-*-linux*) ;;
*) AC_MSG_ERROR([Linux only, dude!]);;
esac
dnl--------------------------------
AC_DEFUN([NF_KERNEL_SOURCE],[
if test "$with_kernel" = ""; then
KERNEL="`uname -r`"
else
KERNEL="$with_kernel"
fi
THIS_PREFIX=""
for i in "/lib/modules/$KERNEL/build/include" "$KERNEL" "$KERNEL/include" "/usr/src/linux-$KERNEL" "/usr/src/kernel-$KERNEL" "/usr/src/linux-headers-$KERNEL" "/usr/src/kernel-headers-$KERNEL"
do
AC_MSG_CHECKING([Looking for kernel source or headers in $i])
if test -r "$i/linux/config.h"
then
THIS_PREFIX="$i"
AC_MSG_RESULT([found])
break
fi
AC_MSG_RESULT([ ])
done
if test -r "$THIS_PREFIX/linux/config.h" ; then
AC_SUBST(KERNELDIR,[$THIS_PREFIX])
AC_MSG_RESULT([found])
else
AC_MSG_ERROR([not found $THIS_PREFIX])
fi
# somehow add this as an include path
])
AC_ARG_WITH(kernel,
AC_HELP_STRING([--with-kernel=DIR],
[ Show location of kernel source. Default is to use uname -r and look in /lib/modules/KERNEL/build/include. ]),
NF_KERNEL_SOURCE($with_kernel),NF_KERNEL_SOURCE())
dnl--------------------------------
dnl Output the makefile
AC_OUTPUT(Makefile src/Makefile include/Makefile include/libnfnetlink/Makefile)
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