Allow all host flags to be set at top level makefile.
Allow KBUILD_DEFCONFIG to be specified to load external defconfigs.
Allow linux style CROSS_COMPILE specifier.
Signed-off-by: Jiaxun Yang <jiaxun.y...@flygoat.com>
---
Makefile | 6 +++++-
scripts/kconfig/Makefile | 6 +++++-
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index
f2f4ebc5b69be1d4b9ecfc99b63f09ecaecd9474..b5660928c2056970e3174be368e65752a948f16a
100644
--- a/Makefile
+++ b/Makefile
@@ -9,12 +9,16 @@ OUT=out/
# Common command definitions
export HOSTCC := cc
+export HOSTCFLAGS :=
+export HOSTLDFLAGS :=
export CONFIG_SHELL := sh
export KCONFIG_AUTOHEADER := autoconf.h
export KCONFIG_CONFIG := $(CURDIR)/.config
+export KBUILD_DEFCONFIG := /dev/null
export LC_ALL := C
-CROSS_PREFIX :=
+CROSS_COMPILE :=
+CROSS_PREFIX := $(CROSS_COMPILE)
CC=$(CROSS_PREFIX)gcc
LD=$(CROSS_PREFIX)ld
OBJCOPY=$(CROSS_PREFIX)objcopy
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index
1c1293618764c891f04d55f7ca5a24d42a218215..96793619356ed649a467513ebcd829a143798a57
100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -11,6 +11,10 @@ else
Kconfig := Kconfig
endif
+ifndef KBUILD_DEFCONFIG
+KBUILD_DEFCONFIG := defconfig
+endif
+
# We need this, in case the user has it in its environment
unexport CONFIG_
@@ -96,7 +100,7 @@ savedefconfig: $(obj)/conf
defconfig: $(obj)/conf
@echo " Build default config"
- $(Q)$< --defconfig=/dev/null $(Kconfig)
+ $(Q)$< --defconfig=$(KBUILD_DEFCONFIG) $(Kconfig)
%_defconfig: $(obj)/conf
$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
--
2.43.0
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