diff --git a/package/linuxptp/linuxptp.mk b/package/linuxptp/linuxptp.mk
index d8bcc2bf95..6516659303 100644
--- a/package/linuxptp/linuxptp.mk
+++ b/package/linuxptp/linuxptp.mk
@@ -10,27 +10,23 @@ LINUXPTP_SITE = git://git.code.sf.net/p/linuxptp/code
 LINUXPTP_LICENSE = GPL-2.0+
 LINUXPTP_LICENSE_FILES = COPYING
 
-define LINUXPTP_BUILD_CMDS
+LINUXPTP_MAKE_ENV = \
 	$(TARGET_MAKE_ENV) \
 	CROSS_COMPILE="$(TARGET_CROSS)" \
 	KBUILD_OUTPUT=$(STAGING_DIR) \
-	$(MAKE) \
-		prefix=/usr \
-		EXTRA_CFLAGS="$(TARGET_CFLAGS)" \
-		EXTRA_LDFLAGS="$(TARGET_LDFLAGS)" \
-		-C $(@D) all
+
+LINUXPTP_MAKE_OPTS = \
+	prefix=/usr \
+	EXTRA_CFLAGS="$(TARGET_CFLAGS)" \
+	EXTRA_LDFLAGS="$(TARGET_LDFLAGS)" \
+
+define LINUXPTP_BUILD_CMDS
+	$(LINUXPTP_MAKE_ENV) $(MAKE) $(LINUXPTP_MAKE_OPTS) -C $(@D) all
 endef
 
 define LINUXPTP_INSTALL_TARGET_CMDS
-	$(TARGET_MAKE_ENV) \
-	CROSS_COMPILE="$(TARGET_CROSS)" \
-	KBUILD_OUTPUT=$(STAGING_DIR) \
-	$(MAKE) \
-		prefix=/usr \
-		DESTDIR=$(TARGET_DIR) \
-		EXTRA_CFLAGS="$(TARGET_CFLAGS)" \
-		EXTRA_LDFLAGS="$(TARGET_LDFLAGS)" \
-		-C $(@D) install
+	$(LINUXPTP_MAKE_ENV) $(MAKE) $(LINUXPTP_MAKE_OPTS) \
+		DESTDIR=$(TARGET_DIR) -C $(@D) install
 
 	$(INSTALL) -D -m 644 $(LINUXPTP_PKGDIR)/linuxptp.cfg \
 		$(TARGET_DIR)/etc/linuxptp.cfg