diff options
| -rw-r--r-- | configure.ac | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 0bff332..38164cf 100644 --- a/configure.ac +++ b/configure.ac @@ -19,7 +19,7 @@ AC_ARG_WITH([kbuild], [KBUILDDIR="$withval";]) AC_ARG_WITH([ksource], AS_HELP_STRING([--with-ksource=PATH], - [Path to kernel source directory]), + [Path to kernel source directory, if not the same as the kernel build directory]), [KSOURCEDIR="$withval";]) AM_CONDITIONAL(WITH_KBUILDDIR, test "$KBUILDDIR" != "") AC_SUBST(KBUILDDIR) @@ -34,9 +34,15 @@ fi if test -n "$KSOURCEDIR"; then ksourcedir="$KSOURCEDIR" +elif test -e "$kbuilddir/include/linux/netfilter/nfnetlink.h"; then + ksourcedir="$kbuilddir" else ksourcedir="/lib/modules/$(uname -r)/source" fi +if test ! -e "$ksourcedir/include/linux/netfilter/nfnetlink.h" +then + AC_MSG_ERROR([Invalid kernel source directory $ksourcedir]) +fi if test ! -e "$kbuilddir/.config" then |