build: remove cpio.gz and tar.gz from regular filesystem types

They are not used to produce regular firmware images anyway. Instead,
call their build templates directly if enabled in the config

Signed-off-by: Felix Fietkau <nbd@nbd.name>

include/image.mk

@@ -78,8 +78,6 @@ fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
-fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
-fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
 
 TARGET_FILESYSTEMS := $(fs-types-y)
 
@@ -217,16 +215,6 @@ define Image/mkfs/ubifs
 		-o $@ -d $(TARGET_DIR)
 endef
 
-define Image/mkfs/cpiogz
-	( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
-endef
-
-define Image/mkfs/targz
-	$(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
-		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
-		-C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
-endef
-
 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 
 define Image/mkfs/ext4
@@ -259,6 +247,20 @@ define Image/Checksum
 	)
 endef
 
+ifdef CONFIG_TARGET_ROOTFS_TARGZ
+  define Image/Build/targz
+	$(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
+		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+		-C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
+  endef
+endif
+
+ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
+  define Image/Build/cpiogz
+	( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+  endef
+endif
+
 $(KDIR)/root.%: kernel_prepare
 	$(call Image/mkfs/$(word 1,$(subst +,$(space),$*)),$(subst +,$(space),$*))
 
@@ -478,6 +480,8 @@ define BuildImage
 	$(call Image/mkfs/prepare)
 
   kernel_prepare: mkfs_prepare
+	$(call Image/Build/targz)
+	$(call Image/Build/cpiogz)
 	$(call Image/BuildKernel)
 	$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 	$(call Image/InstallKernel)

target/linux/zynq/image/Makefile

@@ -22,9 +22,6 @@ define Image/boot-imgs
 	$(call Image/BuildDTB,$(DTS_DIR)/$(DEVICE_DTS).dts,\
 		$(BIN_DIR)/$(IMG_PREFIX)-system.dtb)
 
-	$(call Image/mkfs/cpiogz)
-	$(call Image/mkfs/targz)
-
 	# Create uboot cpio.gz
 	mkimage -A arm -T ramdisk -C gzip -n "$(PROFILE) OpenWRT rootfs" \
 		-d $(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz \