selftests/nolibc: extraconfig support

Allow some postprocessing of defconfig files.

Suggested-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>

diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index 6c7bc6ad3387884e00868cdb64d96c811f9c15e8..4983718866b68b6ac9b5fe8594e57a361de659dc 100644 (file)
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -81,6 +81,8 @@ DEFCONFIG_s390       = defconfig
 DEFCONFIG_loongarch  = defconfig
 DEFCONFIG            = $(DEFCONFIG_$(XARCH))
 
+EXTRACONFIG           = $(EXTRACONFIG_$(XARCH))
+
 # optional tests to run (default = all)
 TEST =
 
@@ -227,6 +229,10 @@ initramfs: nolibc-test
 
 defconfig:
        $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) mrproper $(DEFCONFIG) prepare
+       $(Q)if [ -n "$(EXTRACONFIG)" ]; then \
+               $(srctree)/scripts/config --file $(objtree)/.config $(EXTRACONFIG); \
+               $(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) olddefconfig < /dev/null; \
+       fi
 
 kernel:
        $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) < /dev/null