- giflib: rework build

package/giflib/giflib.mk

@@ -9,15 +9,10 @@ GIFLIB_DIR = giflib-$(GIFLIB_VERSION)
 GIFLIB_SOURCE = giflib-$(GIFLIB_VERSION).tar.gz
 GIFLIB_SITE = https://sourceforge.net/projects/giflib/files
 
-$(DL_DIR)/$(GIFLIB_SOURCE):
-	$(download) $(GIFLIB_SITE)/$(GIFLIB_SOURCE)
-
-giflib: $(DL_DIR)/$(GIFLIB_SOURCE) | $(TARGET_DIR)
-	$(REMOVE)/$(PKG_DIR)
-	$(UNTAR)/$(PKG_SOURCE)
-	$(CHDIR)/$(PKG_DIR); \
+giflib: | $(TARGET_DIR)
+	$(call PREPARE)
+	$(CHDIR)/$($(PKG)_DIR); \
 		$(TARGET_CONFIGURE_ENV) \
 		$(MAKE); \
 		$(MAKE) install-include install-lib DESTDIR=$(TARGET_DIR) PREFIX=$(prefix)
-	$(REMOVE)/$(PKG_DIR)
-	$(TOUCH)
+	$(call TARGET_FOLLOWUP)