image: add CONFIG_EXTRA_IMAGE_NAME

This allows an optional tag to be put in the .config file which is
included in the filename of the resulting images, so it's easier to
build images with different functionality for the same target hardware.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Link: https://github.com/openwrt/openwrt/pull/20984
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
David Woodhouse 2025-11-29 16:18:26 +00:00 committed by Petr Štetiar
parent b15628ec80
commit 24b8db118b
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2 changed files with 11 additions and 0 deletions

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@ -41,6 +41,9 @@ KDIR=$(KERNEL_BUILD_DIR)
KDIR_TMP=$(KDIR)/tmp
DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
ifeq ($(EXTRA_IMAGE_NAME),)
EXTRA_IMAGE_NAME:=$(call qstrip,$(CONFIG_EXTRA_IMAGE_NAME))
endif
IMG_PREFIX_EXTRA:=$(if $(EXTRA_IMAGE_NAME),$(call sanitize,$(EXTRA_IMAGE_NAME))-)
IMG_PREFIX_VERNUM:=$(if $(CONFIG_VERSION_FILENAMES),$(call sanitize,$(VERSION_NUMBER))-)
IMG_PREFIX_VERCODE:=$(if $(CONFIG_VERSION_CODE_FILENAMES),$(call sanitize,$(VERSION_CODE))-)

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@ -5,6 +5,14 @@
# See /LICENSE for more information.
#
config EXTRA_IMAGE_NAME
string
prompt "Extra image filename" if IMAGEOPT
default ""
help
Add this to the output image filenames, to distinguish between
different builds for the same hardware type.
config TARGET_DEFAULT_LAN_IP_FROM_PREINIT
bool "Use preinit IP configuration as default LAN IP" if IMAGEOPT
default n