batman-adv: replace SUBDIRS with M kernel build recipe

The SUBDIRS variable has been removed in kernel 5.4 and M or KBUILD_EXTMOD
has to be used instead.

Signed-off-by: Sven Eckelmann <sven@narfation.org>

diff --git a/batman-adv/Makefile b/batman-adv/Makefile
index 88f4cde8109dc69c024726c8c9cd03bffea76f4d..a81f3cc7d5a40dd8df663c9429d7be1757740738 100644 (file)
--- a/batman-adv/Makefile
+++ b/batman-adv/Makefile
@@ -88,7 +88,7 @@ define Build/Compile
        $(MAKE) $(PKG_JOBS) -C "$(LINUX_DIR)" \
                ARCH="$(LINUX_KARCH)" \
                CROSS_COMPILE="$(TARGET_CROSS)" \
-               SUBDIRS="$(PKG_BUILD_DIR)/net/batman-adv" \
+               M="$(PKG_BUILD_DIR)/net/batman-adv" \
                $(PKG_EXTRA_KCONFIG) \
                EXTRA_CFLAGS="$(PKG_EXTRA_CFLAGS)" \
                NOSTDINC_FLAGS="$(NOSTDINC_FLAGS)" \