- ofgwrite: rework build

package/ofgwrite/ofgwrite.mk

@@ -9,6 +9,9 @@ OFGWRITE_DIR = $(NI_OFGWRITE)
 OFGWRITE_SOURCE = $(NI_OFGWRITE)
 OFGWRITE_SITE = https://github.com/neutrino-images
 
+OFGWRITE_MAKE_ENV = \
+	$(TARGET_CONFIGURE_ENV)
+
 define OFGWRITE_INSTALL_BINARIES
 	$(INSTALL_EXEC) $(PKG_BUILD_DIR)/ofgwrite_bin $(TARGET_bindir)
 	$(INSTALL_EXEC) $(PKG_BUILD_DIR)/ofgwrite_caller $(TARGET_bindir)
@@ -18,8 +21,4 @@ endef
 OFGWRITE_PRE_FOLLOWUP_HOOKS += OFGWRITE_INSTALL_BINARIES
 
 ofgwrite: | $(TARGET_DIR)
-	$(call PREPARE)
-	$(CHDIR)/$($(PKG)_DIR); \
-		$(TARGET_CONFIGURE_ENV) \
-		$(MAKE)
-	$(call TARGET_FOLLOWUP)
+	$(call generic-package,$(PKG_NO_INSTALL))