Commit 22e96b3 ("u-boot: Make sure the build dir is unique for each
UBOOT_CONFIG") changed the u-boot build directory name to include the
UBOOT_CONFIG value the build is performed for. Align to the new pattern
also the KCONFIG_CONFIG_ROOTDIR variable, which is used by devtool to
create a config baseline in case the menuconfig task is enabled.

This fixes the following error, which can be seen when building u-boot
under devtool and UBOOT_CONFIG contains a single configuration:

  cp: cannot stat '<u-boot-builddir>/<u-boot-defconfig>/.config': No such file 
or directory

Signed-off-by: Francesco Valla <[email protected]>
---
 meta/classes-recipe/uboot-config.bbclass | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/meta/classes-recipe/uboot-config.bbclass 
b/meta/classes-recipe/uboot-config.bbclass
index 
112fea2de44cd716fbe65598b275410a4fb90056..f7848396c17fdf4835053b9f5a45480ef8ce9f1f
 100644
--- a/meta/classes-recipe/uboot-config.bbclass
+++ b/meta/classes-recipe/uboot-config.bbclass
@@ -251,7 +251,8 @@ python () {
             # Ensure the uboot specific menuconfig settings do not leak into 
other recipes
             if 'u-boot' in recipename:
                 if len(ubootconfig) == 1:
-                    d.setVar('KCONFIG_CONFIG_ROOTDIR', os.path.join("${B}", 
d.getVar("UBOOT_MACHINE").strip()))
+                    builddir = "%s-%s" % (d.getVar("UBOOT_MACHINE").strip(), 
config)
+                    d.setVar('KCONFIG_CONFIG_ROOTDIR', os.path.join("${B}", 
builddir))
                 else:
                     # Disable menuconfig for multiple configs
                     d.setVar('KCONFIG_CONFIG_ENABLE_MENUCONFIG', "false")

---
base-commit: d3e757f21403554e7064c5fa2b353080d14d2ce7
change-id: 20260304-uboot_devtool_fix-170221fd17bc

Best regards,
-- 
Francesco Valla <[email protected]>

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