- bzip2: update build

package/bzip2/bzip2.mk

@@ -9,6 +9,12 @@ BZIP2_DIR = bzip2-$(BZIP2_VERSION)
 BZIP2_SOURCE = bzip2-$(BZIP2_VERSION).tar.gz
 BZIP2_SITE = https://sourceware.org/pub/bzip2
 
+BZIP2_MAKE_ENV = \
+	$(TARGET_CONFIGURE_ENV)
+
+BZIP2_MAKE_OPTS = \
+	PREFIX=$(TARGET_prefix)
+
 define BZIP2_MAKEFILE_LIBBZ2_SO
 	mv $(PKG_BUILD_DIR)/Makefile-libbz2_so $(PKG_BUILD_DIR)/Makefile
 endef
@@ -20,9 +26,4 @@ endef
 BZIP2_TARGET_FINALIZE_HOOKS += BZIP2_TARGET_CLEANUP
 
 bzip2: | $(TARGET_DIR)
-	$(call PREPARE)
-	$(CHDIR)/$($(PKG)_DIR); \
-		$(TARGET_CONFIGURE_ENV) \
-		$(MAKE); \
-		$(MAKE) install PREFIX=$(TARGET_prefix)
-	$(call TARGET_FOLLOWUP)
+	$(call generic-package)