fs: don't use := when not needed

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

fs/btrfs/btrfs.mk

@@ -14,7 +14,7 @@ BTRFS_SIZE_SECTOR = $(call qstrip,$(BR2_TARGET_ROOTFS_BTRFS_SIZE_SECTOR))
 BTRFS_FEATURES = $(call qstrip,$(BR2_TARGET_ROOTFS_BTRFS_FEATURES))
 # qstrip results in stripping consecutive spaces into a single one. So the
 # variable is not qstrip-ed to preserve the integrity of the string value.
-BTRFS_LABEL := $(subst ",,$(BR2_TARGET_ROOTFS_BTRFS_LABEL))
+BTRFS_LABEL = $(subst ",,$(BR2_TARGET_ROOTFS_BTRFS_LABEL))
 # ")
 
 BTRFS_OPTS = \

fs/ext2/ext2.mk

@@ -13,7 +13,7 @@ EXT2_MKFS_OPTS = $(call qstrip,$(BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS))
 
 # qstrip results in stripping consecutive spaces into a single one. So the
 # variable is not qstrip-ed to preserve the integrity of the string value.
-EXT2_LABEL := $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_LABEL))
+EXT2_LABEL = $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_LABEL))
 #" Syntax highlighting... :-/ )
 
 EXT2_OPTS = \

fs/f2fs/f2fs.mk

@@ -11,7 +11,7 @@ endif
 
 # qstrip results in stripping consecutive spaces into a single one. So the
 # variable is not qstrip-ed to preserve the integrity of the string value.
-F2FS_LABEL := $(subst ",,$(BR2_TARGET_ROOTFS_F2FS_LABEL))
+F2FS_LABEL = $(subst ",,$(BR2_TARGET_ROOTFS_F2FS_LABEL))
 # ")
 F2FS_COLD_FILES = $(call qstrip,$(BR2_TARGET_ROOTFS_F2FS_COLD_FILES))
 F2FS_HOT_FILES = $(call qstrip,$(BR2_TARGET_ROOTFS_F2FS_HOT_FILES))

fs/jffs2/jffs2.mk

@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-JFFS2_OPTS := -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE)
-SUMTOOL_OPTS := $(JFFS2_OPTS)
+JFFS2_OPTS = -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE)
+SUMTOOL_OPTS = -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE)
 
 ifeq ($(BR2_TARGET_ROOTFS_JFFS2_PAD),y)
 ifneq ($(strip $(BR2_TARGET_ROOTFS_JFFS2_PADSIZE)),0x0)

fs/tar/tar.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-TAR_OPTS := $(call qstrip,$(BR2_TARGET_ROOTFS_TAR_OPTIONS))
+TAR_OPTS = $(call qstrip,$(BR2_TARGET_ROOTFS_TAR_OPTIONS))
 
 ROOTFS_TAR_DEPENDENCIES = $(BR2_TAR_HOST_DEPENDENCY)
 

fs/ubi/ubi.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-UBI_UBINIZE_OPTS := -m $(BR2_TARGET_ROOTFS_UBIFS_MINIOSIZE)
+UBI_UBINIZE_OPTS = -m $(BR2_TARGET_ROOTFS_UBIFS_MINIOSIZE)
 UBI_UBINIZE_OPTS += -p $(BR2_TARGET_ROOTFS_UBI_PEBSIZE)
 ifneq ($(BR2_TARGET_ROOTFS_UBI_SUBSIZE),0)
 UBI_UBINIZE_OPTS += -s $(BR2_TARGET_ROOTFS_UBI_SUBSIZE)