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lvgl: Add support for modifying the configuration using menuconfig

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Generating a configuration fragment for a feature can now be done using:

  bitbake lvgl -c menuconfig && bitbake lvgl -c diffconfig

While this uses the standard cml1.bbclass, it expects that "make" is
used to run menuconfig etc. This is not true for lvgl, so unfortunately
the whole do_menuconfig() function had to be copied to be able to remove
the use of "make".

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Peter Kjellerstedt 2025-10-25 05:17:46 +02:00 committed by Khem Raj
parent 0df1a91b39
commit 9f73c95792
1 changed files with 47 additions and 1 deletions
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48
meta-oe/recipes-graphics/lvgl/lv-conf.inc
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@ -21,7 +21,7 @@ PACKAGECONFIG[gridnav] = ",,"
PACKAGECONFIG[thorvg] = ",,"
PACKAGECONFIG[sdl] = ",,virtual/libsdl2 libsdl2-image"
inherit python3native
inherit cml1 python3native
EXTRA_OECMAKE += "-DLV_BUILD_USE_KCONFIG=ON"
@ -35,6 +35,7 @@ CXXFLAGS += "${LVGL_FLAGS}"
KCONFIG_CONFIG_ROOTDIR ?= "${S}"
KCONFIG_FILE ?= "${KCONFIG_CONFIG_ROOTDIR}/Kconfig"
export KCONFIG_CONFIG ?= "${KCONFIG_CONFIG_ROOTDIR}/.config"
KCONFIG_CONFIG_COMMAND ?= "menuconfig ${KCONFIG_FILE}"
do_configure() {
cat ${UNPACKDIR}/defconfig ${@" ".join(find_cfgs(d))} > ${B}/defconfig
@ -42,3 +43,48 @@ do_configure() {
cmake_do_configure
}
# Copied from cml1.bbclass. The only modification is that
# ${KCONFIG_CONFIG_COMMAND} is not prefixed with "make" when called by
# oe_terminal.
python do_menuconfig() {
import shutil
if not bb.utils.to_boolean(d.getVar("KCONFIG_CONFIG_ENABLE_MENUCONFIG")):
bb.fatal("do_menuconfig is disabled, please check KCONFIG_CONFIG_ENABLE_MENUCONFIG variable.")
return
config = os.path.join(d.getVar('KCONFIG_CONFIG_ROOTDIR'), ".config")
configorig = os.path.join(d.getVar('KCONFIG_CONFIG_ROOTDIR'), ".config.orig")
try:
mtime = os.path.getmtime(config)
shutil.copy(config, configorig)
except OSError:
mtime = 0
# setup native pkg-config variables (kconfig scripts call pkg-config directly, cannot generically be overriden to pkg-config-native)
d.setVar("PKG_CONFIG_DIR", "${STAGING_DIR_NATIVE}${libdir_native}/pkgconfig")
d.setVar("PKG_CONFIG_PATH", "${PKG_CONFIG_DIR}:${STAGING_DATADIR_NATIVE}/pkgconfig")
d.setVar("PKG_CONFIG_LIBDIR", "${PKG_CONFIG_DIR}")
d.setVarFlag("PKG_CONFIG_SYSROOT_DIR", "unexport", "1")
# ensure that environment variables are overwritten with this tasks 'd' values
d.appendVar("OE_TERMINAL_EXPORTS", " PKG_CONFIG_DIR PKG_CONFIG_PATH PKG_CONFIG_LIBDIR PKG_CONFIG_SYSROOT_DIR")
oe_terminal("sh -c '%s; if [ $? -ne 0 ]; then echo \"Command failed.\"; printf \"Press any key to continue... \"; read r; fi'" % d.getVar('KCONFIG_CONFIG_COMMAND'),
d.getVar('PN') + ' Configuration', d)
try:
newmtime = os.path.getmtime(config)
except OSError:
newmtime = 0
if newmtime > mtime:
bb.plain("Changed configuration saved at:\n %s\nRecompile will be forced" % config)
bb.build.write_taint('do_compile', d)
}
do_savedefconfig() {
bbplain "Saving defconfig to:\n${B}/defconfig"
savedefconfig --kconfig ${KCONFIG_FILE} --out ${B}/defconfig
}