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selftests/nolibc: add a "defconfig" target

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While most archs will work fine with "make defconfig", not all will
do, and it's not always easy to remember the most suitable choice to
use for a specific architecture.

This adds a "defconfig" target to the Makefile so that one may easily
run "make -C ... defconfig" and make sure to clean and rebuild a fresh
config. This is *not* used by default because we want to preserve the
user's config by default.

Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Willy Tarreau 2022-07-19 23:44:46 +02:00 committed by Paul E. McKenney
parent d248cabff5
commit 5c43fd7954
1 changed files with 12 additions and 0 deletions
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12
tools/testing/selftests/nolibc/Makefile
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@ -22,6 +22,15 @@ IMAGE_riscv = arch/riscv/boot/Image
IMAGE = $(IMAGE_$(ARCH))
IMAGE_NAME = $(notdir $(IMAGE))
# default kernel configurations that appear to be usable
DEFCONFIG_i386 = defconfig
DEFCONFIG_x86 = defconfig
DEFCONFIG_arm64 = defconfig
DEFCONFIG_arm = multi_v7_defconfig
DEFCONFIG_mips = malta_defconfig
DEFCONFIG_riscv = defconfig
DEFCONFIG = $(DEFCONFIG_$(ARCH))
# OUTPUT is only set when run from the main makefile, otherwise
# it defaults to this nolibc directory.
OUTPUT ?= $(CURDIR)/
@ -46,6 +55,9 @@ initramfs: nolibc-test
$(call QUIET_INSTALL, initramfs/init)
$(Q)cp nolibc-test initramfs/init
defconfig:
$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) mrproper $(DEFCONFIG) prepare
kernel: initramfs
$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) CONFIG_INITRAMFS_SOURCE=$(CURDIR)/initramfs