From 3af396446cf285a1a30c9a1151d47c3aea4aecae Mon Sep 17 00:00:00 2001
From: Taras Madan <tarasmadan@google.com>
Date: Fri, 26 Sep 2025 19:50:40 +0200
Subject: pkg/kconfig: support transitional line

See https://www.phoronix.com/news/Linux-6.18-Transitional .

First used in:
config CFI_CLANG
        bool
        transitional
        help
          Transitional config for CFI_CLANG to CFI migration.
---
 pkg/kconfig/kconfig.go      | 4 ++++
 pkg/kconfig/kconfig_test.go | 7 +++++++
 2 files changed, 11 insertions(+)

(limited to 'pkg/kconfig')

diff --git a/pkg/kconfig/kconfig.go b/pkg/kconfig/kconfig.go
index 15dc0d22a..668419baf 100644
--- a/pkg/kconfig/kconfig.go
+++ b/pkg/kconfig/kconfig.go
@@ -337,6 +337,10 @@ func (kp *kconfigParser) parseProperty(prop string) {
 		kp.ConsumeLine()
 	case "modules":
 	case "optional":
+	// transitional is used for the configs backward compatibility.
+	// We can ignore them. After the config final removal we'll see the kconf error.
+	// https://www.phoronix.com/news/Linux-6.18-Transitional
+	case "transitional":
 	case "default":
 		kp.parseDefaultValue()
 	case "range":
diff --git a/pkg/kconfig/kconfig_test.go b/pkg/kconfig/kconfig_test.go
index 44eda3168..8939f21dd 100644
--- a/pkg/kconfig/kconfig_test.go
+++ b/pkg/kconfig/kconfig_test.go
@@ -21,6 +21,13 @@ func TestParseKConfig(t *testing.T) {
 mainmenu "test"
 config FOO
 	default "$(shell,$(srctree)/scripts/gcc-plugin.sh "$(preferred-plugin-hostcc)" "$(HOSTCXX)" "$(CC)")" if CC_IS_GCC
+`,
+		},
+		{
+			in: `
+mainmenu "test_transitional"
+config FOO
+	transitional
 `,
 		},
 	}
-- 
cgit mrf-deployment