Hi,
I encountered an issue with `do_config` when using `devtool modify` on
`u-boot-imx`.
```
[...]
| cp: cannot stat
'[...]/u-boot-imx/2024.04/build/imx8mp_wl400s_defconfig/.config': No such file
or directory
| WARNING: exit code 1 from a shell command.
ERROR: Task
([...]/sources/poky/../meta-freescale/recipes-bsp/u-boot/u-boot-imx_2024.04.bb:do_configure)
failed with exit code '1'
NOTE: Tasks Summary: Attempted 963 tasks of which 962 didn't need to be rerun
and 1 failed.
Summary: 1 task failed:
[...]/sources/poky/../meta-freescale/recipes-bsp/u-boot/u-boot-imx_2024.04.bb:do_configure
Summary: There was 1 ERROR message, returning a non-zero exit code
```
The issue seems to originate from the following lines in
`workspace/appends/u-boot-imx_2024.04.bbappend`:
```
do_configure:append() {
if [ ${@oe.types.boolean(d.getVar("KCONFIG_CONFIG_ENABLE_MENUCONFIG"))} = True
]; then
cp ${KCONFIG_CONFIG_ROOTDIR}/.config ${S}/.config.baseline
ln -sfT ${KCONFIG_CONFIG_ROOTDIR}/.config ${S}/.config.new
fi
}
```
For some reason `KCONFIG_CONFIG_ROOTDIR` does not point to the correct
directory. It gets its value in `uboot-config.bbclass`:
```
if len(ubootconfig) == 1:
d.setVar('KCONFIG_CONFIG_ROOTDIR', os.path.join(d.getVar("B"),
d.getVar("UBOOT_MACHINE").strip()))
```
So the main issue is that B gets expanded in this expression, and then later B
gets changed by `externalsrc.bbclass`. `d.getVar("B", False)` does not solve
the issue, however the following change does
```
diff --git a/meta/classes-recipe/uboot-config.bbclass
b/meta/classes-recipe/uboot-config.bbclass
index e55fc38b7c..28d5545b27 100644
--- a/meta/classes-recipe/uboot-config.bbclass
+++ b/meta/classes-recipe/uboot-config.bbclass
@@ -141,7 +141,7 @@ python () {
raise bb.parse.SkipRecipe("The selected UBOOT_CONFIG key %s has no match in
%s." % (ubootconfig, ubootconfigflags.keys()))
if len(ubootconfig) == 1:
- d.setVar('KCONFIG_CONFIG_ROOTDIR', os.path.join(d.getVar("B"),
d.getVar("UBOOT_MACHINE").strip()))
+ d.setVar('KCONFIG_CONFIG_ROOTDIR', os.path.join("${B}",
d.getVar("UBOOT_MACHINE").strip()))
else:
# Disable menuconfig for multiple configs
d.setVar('KCONFIG_CONFIG_ENABLE_MENUCONFIG', "false")
```
I'm not sure that this is the correct way to fix this problem though. But if it
is I'm happy to send a patch.
Kind regards
Marcus
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