fs: make it behave a bit more like the package infra

Currently, to register a filesystem, one has to call:

    $(eval $(call ROOTFS_TARGET,blabla))

This is very unlike the package infrastructure, where the name of the
package is automatically guessed by the infra.

It turns out that we can now do that for the filesystem infra too.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

fs/axfs/axfs.mk

@@ -10,4 +10,4 @@ define ROOTFS_AXFS_CMD
 	$(HOST_DIR)/bin/mkfs.axfs -s -a $(TARGET_DIR) $@
 endef
 
-$(eval $(call ROOTFS_TARGET,axfs))
+$(eval $(rootfs))

fs/cloop/cloop.mk

@@ -11,4 +11,4 @@ define ROOTFS_CLOOP_CMD
 		$(HOST_DIR)/bin/create_compressed_fs - 65536 > $@
 endef
 
-$(eval $(call ROOTFS_TARGET,cloop))
+$(eval $(rootfs))

fs/common.mk

@@ -37,7 +37,7 @@ ROOTFS_USERS_TABLES = $(call qstrip,$(BR2_ROOTFS_USERS_TABLES))
 
 # Since this function will be called from within an $(eval ...)
 # all variable references except the arguments must be $$-quoted.
-define ROOTFS_TARGET_INTERNAL
+define inner-rootfs
 
 # extra deps
 ROOTFS_$(2)_DEPENDENCIES += host-fakeroot host-makedevs \
@@ -128,8 +128,7 @@ endif
 
 endef
 
-define ROOTFS_TARGET
-	$(call ROOTFS_TARGET_INTERNAL,$(1),$(call UPPERCASE,$(1)))
-endef
+# $(pkgname) also works well to return the filesystem name
+rootfs = $(call inner-rootfs,$(pkgname),$(call UPPERCASE,$(pkgname)))
 
 include $(sort $(wildcard fs/*/*.mk))

fs/cpio/cpio.mk

@@ -40,4 +40,4 @@ endef
 ROOTFS_CPIO_POST_GEN_HOOKS += ROOTFS_CPIO_UBOOT_MKIMAGE
 endif
 
-$(eval $(call ROOTFS_TARGET,cpio))
+$(eval $(rootfs))

fs/cramfs/cramfs.mk

@@ -16,4 +16,4 @@ endef
 
 ROOTFS_CRAMFS_DEPENDENCIES = host-cramfs
 
-$(eval $(call ROOTFS_TARGET,cramfs))
+$(eval $(rootfs))

fs/ext2/ext2.mk

@@ -43,4 +43,4 @@ endef
 ROOTFS_EXT2_POST_GEN_HOOKS += ROOTFS_EXT2_SYMLINK
 endif
 
-$(eval $(call ROOTFS_TARGET,ext2))
+$(eval $(rootfs))

fs/iso9660/iso9660.mk

@@ -144,4 +144,4 @@ endef
 ROOTFS_ISO9660_POST_GEN_HOOKS += ROOTFS_ISO9660_GEN_HYBRID
 endif
 
-$(eval $(call ROOTFS_TARGET,iso9660))
+$(eval $(rootfs))

fs/jffs2/jffs2.mk

@@ -49,4 +49,4 @@ define ROOTFS_JFFS2_CMD
 endef
 endif
 
-$(eval $(call ROOTFS_TARGET,jffs2))
+$(eval $(rootfs))

fs/romfs/romfs.mk

@@ -10,4 +10,4 @@ define ROOTFS_ROMFS_CMD
 	$(HOST_DIR)/bin/genromfs -d $(TARGET_DIR) -f $@
 endef
 
-$(eval $(call ROOTFS_TARGET,romfs))
+$(eval $(rootfs))

fs/squashfs/squashfs.mk

@@ -24,4 +24,4 @@ define ROOTFS_SQUASHFS_CMD
 	$(HOST_DIR)/bin/mksquashfs $(TARGET_DIR) $@ $(ROOTFS_SQUASHFS_ARGS)
 endef
 
-$(eval $(call ROOTFS_TARGET,squashfs))
+$(eval $(rootfs))

fs/tar/tar.mk

@@ -11,4 +11,4 @@ define ROOTFS_TAR_CMD
 		tar $(TAR_OPTS) -cf $@ --null --no-recursion -T - --numeric-owner)
 endef
 
-$(eval $(call ROOTFS_TARGET,tar))
+$(eval $(rootfs))

fs/ubi/ubi.mk

@@ -29,4 +29,4 @@ define ROOTFS_UBI_CMD
 	rm $(BUILD_DIR)/ubinize.cfg
 endef
 
-$(eval $(call ROOTFS_TARGET,ubi))
+$(eval $(rootfs))

fs/ubifs/ubifs.mk

@@ -27,4 +27,4 @@ define ROOTFS_UBIFS_CMD
 	$(HOST_DIR)/sbin/mkfs.ubifs -d $(TARGET_DIR) $(UBIFS_OPTS) -o $@
 endef
 
-$(eval $(call ROOTFS_TARGET,ubifs))
+$(eval $(rootfs))

fs/yaffs2/yaffs.mk

@@ -10,4 +10,4 @@ define ROOTFS_YAFFS2_CMD
 	$(HOST_DIR)/bin/mkyaffs2 --all-root $(TARGET_DIR) $@
 endef
 
-$(eval $(call ROOTFS_TARGET,yaffs2))
+$(eval $(rootfs))