From 8af5e5751d230fda28a0921f1e312b5090a5ac97 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 13 Jan 2017 16:19:00 +0100
Subject: image.mk: add generic function for gzipping images if enabled

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 include/image.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/image.mk b/include/image.mk
index 4bd923fea8..81519cd183 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -147,6 +147,13 @@ define Image/BuildKernel/MkFIT
 	PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 endef
 
+ifdef CONFIG_TARGET_IMAGES_GZIP
+  define Image/Gzip
+	rm -f $(1).gz
+	gzip -9n $(1)
+  endef
+endif
+
 # $(1) source dts file
 # $(2) target dtb file
 # $(3) extra CPP flags
-- 
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