treewide: convert sed -r to posix -E

[openwrt/openwrt.git] / include / image.mk

diff --git a/include/image.mk b/include/image.mk
index 441f55b7419ff5fca8e870826938c52ac1e6ce51..984b64fb9c73d419e9f198efe2a50c5fba42a767 100644 (file)
--- a/include/image.mk
+++ b/include/image.mk
@@ -45,7 +45,7 @@ IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$
 IMG_ROOTFS:=$(IMG_PREFIX)-rootfs
 IMG_COMBINED:=$(IMG_PREFIX)-combined
 IMG_PART_SIGNATURE:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | cut -b1-8)
-IMG_PART_DISKGUID:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | sed -r 's/(.{8})(.{4})(.{4})(.{4})(.{10})../\1-\2-\3-\4-\500/')
+IMG_PART_DISKGUID:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | sed -E 's/(.{8})(.{4})(.{4})(.{4})(.{10})../\1-\2-\3-\4-\500/')
 
 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt