nanocom: use <PKG>_STRIP_COMPONENTS

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/nanocom/nanocom.mk

@@ -7,14 +7,10 @@
 NANOCOM_VERSION = 1.0
 NANOCOM_SOURCE = nanocom.tar.gz
 NANOCOM_SITE = http://downloads.sourceforge.net/project/nanocom/nanocom/v$(NANOCOM_VERSION)
+NANOCOM_STRIP_COMPONENTS = 0
 NANOCOM_LICENSE = GPLv2+
 NANOCOM_LICENSE_FILES = COPYING
 
-# N.B. Don't strip any path components during extraction.
-define NANOCOM_EXTRACT_CMDS
-	gzip -d -c $(DL_DIR)/$(NANOCOM_SOURCE) | tar --strip-components=0 -C $(NANOCOM_DIR) -xf -
-endef
-
 define NANOCOM_BUILD_CMDS
 	$(MAKE) CC="$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS)" -C $(@D)
 endef