build fixes following restructuring

1 files changed, 56 insertions, 3 deletions

diff --git a/configure.in b/configure.in
index f5cb3a2..5b77da2 100644
--- a/configure.in
+++ b/configure.in
@@ -1,12 +1,65 @@
 dnl Process this file with autoconf to create configure.
 
-AC_INIT(libnfnetlink_queue.c)
+AC_INIT
+AC_CANONICAL_SYSTEM
+
 AM_INIT_AUTOMAKE(libnfnetlink_queue, 0.10)
 
 AC_PROG_CC
 AC_EXEEXT
 AM_PROG_LIBTOOL
+AC_PROG_INSTALL
+
 AC_SUBST(LIBTOOL_DEPS)
 
-dnl Output the makefile
-AC_OUTPUT(Makefile)
+case $target in 
+*-*-linux*) ;;
+*) AC_MSG_ERROR([Linux only, dude!]);;
+esac
+
+AC_CHECK_LIB([nfnetlink], [nfnl_listen])
+
+dnl--------------------------------
+
+AC_DEFUN([NF_KERNEL_SOURCE],[
+    
+  if test "$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 makefiles
+AC_OUTPUT(Makefile include/Makefile include/libnfnetlink_queue/Makefile src/Makefile utils/Makefile)