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fix issues if kernel config is changed after the compile has started

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@4570 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
mbm 2006-08-16 00:35:30 +00:00
parent 5fceb48d52
commit 7c79debf2c
2 changed files with 41 additions and 30 deletions
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9
include/kernel-build.mk
View File

@ -94,10 +94,11 @@ $(KERNEL_IPKG):
fi
$(IPKG_BUILD) $(KERNEL_IDIR) $(KERNEL_BUILD_DIR)
$(TOPDIR)/.kernel.mk:
echo "BOARD:=$(BOARD)" > $@
echo "LINUX_VERSION:=$(LINUX_VERSION)" >> $@
echo "LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
$(TOPDIR)/.kernel.mk: $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)/Makefile
echo "CONFIG_BOARD:=$(BOARD)" > $@
echo "CONFIG_KERNEL:=$(KERNEL)" >> $@
echo "CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@
echo "CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
pkg-install: FORCE
@for pkg in $(INSTALL_TARGETS); do \

62
include/kernel.mk
View File

@ -9,43 +9,53 @@ ifeq ($(DUMP),1)
BOARD:=<BOARD>
LINUX_VERSION:=<LINUX_VERSION>
else
-include $(TOPDIR)/.kernel.mk
ifneq (,$(findstring 2.4.,$(LINUX_VERSION)))
KERNEL:=2.4
LINUX_KMOD_SUFFIX=o
endif
ifneq (,$(findstring 2.6.,$(LINUX_VERSION)))
KERNEL:=2.6
LINUX_KMOD_SUFFIX=ko
endif
include $(TOPDIR)/.kernel.mk
include $(INCLUDE_DIR)/target.mk
LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
# check to see if .kernel.mk matches target.mk
ifeq ($(CONFIG_BOARD)-$(CONFIG_KERNEL),$(BOARD)-$(KERNEL))
LINUX_VERSION:=$(CONFIG_LINUX_VERSION)
RELEASE:=$(CONFIG_RELEASE)
else
# oops, old .kernel.config; rebuild it (hiding the misleading errors this produces)
$(warning rebuilding .kernel.mk)
$(TOPDIR)/.kernel.mk: FORCE
@$(MAKE) -C $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL) $@ &>/dev/null
endif
ifeq ($(KERNEL),2.6)
LINUX_KMOD_SUFFIX=ko
else
LINUX_KMOD_SUFFIX=o
endif
LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
-e 's/mipsel/mips/' \
-e 's/mipseb/mips/' \
-e 's/powerpc/ppc/' \
-e 's/sh[234]/sh/' \
-e 's/armeb/arm/' \
)
)
ifneq (,$(findstring uml,$(BOARD)))
LINUX_KARCH:=um
KERNEL_CC:=$(HOSTCC)
KERNEL_CROSS:=
else
KERNEL_CC:=$(TARGET_CC)
KERNEL_CROSS:=$(TARGET_CROSS)
endif
ifneq (,$(findstring uml,$(BOARD)))
LINUX_KARCH:=um
KERNEL_CC:=$(HOSTCC)
KERNEL_CROSS:=
else
KERNEL_CC:=$(TARGET_CC)
KERNEL_CROSS:=$(TARGET_CROSS)
endif
KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
endif
# FIXME: remove this crap