Merge branch 'collectd-4.4'

[collectd.git] / configure.in

diff --git a/configure.in b/configure.in
index a67f2a1..2b85a2b 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -50,6 +50,18 @@ case $host_os in
 esac
 AC_MSG_RESULT([$ac_system])
 
+if test "x$ac_system" = "xLinux"
+then
+       AC_ARG_VAR([KERNEL_DIR], [path to Linux kernel sources])
+       if test -z "$KERNEL_DIR"
+       then
+               KERNEL_DIR="/lib/modules/`uname -r`/source"
+       fi
+
+       KERNEL_CFLAGS="-I$KERNEL_DIR/include"
+       AC_SUBST(KERNEL_CFLAGS)
+fi
+
 #
 # Checks for header files.
 #
@@ -278,8 +290,13 @@ have_net_ip_vs_h="no"
 have_ip_vs_h="no"
 if test "x$ac_system" = "xLinux"
 then
+       SAVE_CFLAGS=$CFLAGS
+       CFLAGS="$CFLAGS $KERNEL_CFLAGS"
+
        AC_CHECK_HEADERS(net/ip_vs.h, [have_net_ip_vs_h="yes"])
        AC_CHECK_HEADERS(ip_vs.h, [have_ip_vs_h="yes"])
+
+       CFLAGS=$SAVE_CFLAGS
 fi
 
 # For quota module
@@ -1683,15 +1700,6 @@ then
        LDFLAGS=$SAVE_LDFLAGS
 fi
 
-if test "x$ac_system" = "xLinux"
-then
-       AC_ARG_VAR([KERNEL_DIR], [path to Linux kernel sources])
-       if test -z "$KERNEL_DIR"
-       then
-               KERNEL_DIR="/lib/modules/`uname -r`/source"
-       fi
-fi
-
 with_own_libiptc="no"
 AC_ARG_WITH(libiptc, [AS_HELP_STRING([--with-libiptc@<:@=PREFIX@:>@], [Path to libiptc.])],
 [
@@ -1737,7 +1745,7 @@ fi
 if test "x$with_libiptc" = "xyes"
 then
        SAVE_CFLAGS=$CFLAGS
-       CFLAGS="$CFLAGS -I$KERNEL_DIR/include"
+       CFLAGS="$CFLAGS $KERNEL_CFLAGS"
 
        AC_CHECK_HEADERS(linux/netfilter_ipv4/ip_tables.h linux/netfilter_ipv6/ip6_tables.h, [],
        [