[Xen-devel] [PATCH v2 1/2] makefile: add support for *_defconfig targets

[Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>]

Ease up XEN configuration for non-standard builds, like
armv8 tiny config.

Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
---
 Changes from v2:
 - remove %_defconfig rule in favor of list of real *_defconfig files

 Makefile     | 4 ++++
 xen/Makefile | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 829ac63741..ef1ea44ef1 100644
--- a/Makefile
+++ b/Makefile
@@ -54,6 +54,10 @@ build: $(TARGS_BUILD)
 build-xen:
        $(MAKE) -C xen build
 
+.PHONY: %_defconfig
+%_defconfig:
+       $(MAKE) -C xen $@
+
 .PHONY: build-tools
 build-tools: build-tools-public-headers
        $(MAKE) -C tools build
diff --git a/xen/Makefile b/xen/Makefile
index 1fd8ad5116..c80914c31d 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -264,7 +264,7 @@ $(foreach base,arch/x86/mm/guest_walk_% \
 
 kconfig := silentoldconfig oldconfig config menuconfig defconfig \
        nconfig xconfig gconfig savedefconfig listnewconfig olddefconfig \
-       randconfig
+       randconfig $(notdir $(wildcard arch/$(SRCARCH)/configs/*_defconfig))
 .PHONY: $(kconfig)
 $(kconfig):
        $(MAKE) -f $(BASEDIR)/tools/kconfig/Makefile.kconfig ARCH=$(ARCH) 
SRCARCH=$(SRCARCH) HOSTCC="$(HOSTCC)" HOSTCXX="$(HOSTCXX)" $@
-- 
2.21.0

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