[openwrt/openwrt] build: add 'make kernel_xconfig' command

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/645b1ec3e2857769d7e4adb3bc4c2261af795115

commit 645b1ec3e2857769d7e4adb3bc4c2261af795115
Author: Sergio E. Nemirowski <sergio at outerface.net>
AuthorDate: Thu Apr 2 02:21:37 2020 +0300

    build: add 'make kernel_xconfig' command
    
    This adds the kernel_xconfig make target.
    
    Signed-off-by: Sergio E. Nemirowski <sergio at outerface.net>
---
 include/kernel-build.mk | 2 +-
 include/toplevel.mk     | 4 ++++
 target/linux/Makefile   | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 32c91a5b83..9dfb19ccc7 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -157,7 +157,7 @@ define BuildKernel
   compile: $(LINUX_DIR)/.modules
 	$(MAKE) -C image compile TARGET_BUILD=
 
-  oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE
+  oldconfig menuconfig nconfig xconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE
 	rm -f $(LINUX_DIR)/.config.prev
 	rm -f $(STAMP_CONFIGURED)
 	$(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config
diff --git a/include/toplevel.mk b/include/toplevel.mk
index ba59595764..8564a4de73 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -169,6 +169,7 @@ kernel_oldconfig: prepare_kernel_conf
 ifneq ($(DISTRO_PKG_CONFIG),)
 kernel_menuconfig: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
 kernel_nconfig: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
+kernel_xconfig: export PATH:=$(dir $(DISTRO_PKG_CONFIG)):$(PATH)
 endif
 kernel_menuconfig: prepare_kernel_conf
 	$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux menuconfig
@@ -176,6 +177,9 @@ kernel_menuconfig: prepare_kernel_conf
 kernel_nconfig: prepare_kernel_conf
 	$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux nconfig
 
+kernel_xconfig: prepare_kernel_conf
+	$(_SINGLE)$(NO_TRACE_MAKE) -C target/linux xconfig
+
 staging_dir/host/.prereq-build: include/prereq-build.mk
 	mkdir -p tmp
 	@$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
diff --git a/target/linux/Makefile b/target/linux/Makefile
index f7bbdffbf8..3a70b80bb3 100644
--- a/target/linux/Makefile
+++ b/target/linux/Makefile
@@ -9,5 +9,5 @@ include $(INCLUDE_DIR)/target.mk
 
 export TARGET_BUILD=1
 
-prereq clean download prepare compile install menuconfig nconfig oldconfig update refresh: FORCE
+prereq clean download prepare compile install oldconfig menuconfig nconfig xconfig update refresh: FORCE
 	@+$(NO_TRACE_MAKE) -C $(BOARD) $@