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Support using an existing kernel

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This commit is contained in:
Eric Andersen 2003-01-15 10:20:58 +00:00
parent f876efd349
commit 4edbe2caa6
2 changed files with 52 additions and 1 deletions
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4
Makefile
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@ -64,9 +64,11 @@ TARGETS+=uclibc_toolchain
endif
# Do you want user mode Linux (x86 only), or are you building a
# real kernel that will run on its own?
# real kernel # that will run on its own? Perhaps you have a
# kernel you have already configured and you want to use that?
#TARGETS+=linux
TARGETS+=user-mode-linux
#TARGETS+=system-linux
# The default minimal set
TARGETS+=busybox tinylogin

49
make/system-linux.mk Normal file
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@ -0,0 +1,49 @@
#############################################################
#
# System Linux kernel target
#
# This uses an existing linux kernel source tree on
# your build system, and makes no effort at compiling
# anything....
#
# You will probably want to change LINUX_SOURCE to
# point to wherever you installed you kernel.
#
# -Erik
#
#############################################################
ifneq ($(filter $(TARGETS),system-linux),)
LINUX_SOURCE=/usr/src/linux
LINUX_DIR=$(BUILD_DIR)/linux
LINUX_KERNEL=$(BUILD_DIR)/buildroot-kernel
$(LINUX_DIR)/.configured:
mkdir -p $(LINUX_DIR)
(cd $(LINUX_DIR); ln -s $(LINUX_SOURCE)/include)
touch $(LINUX_DIR)/.configured
$(LINUX_KERNEL): $(LINUX_DIR)/.configured
$(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured
mkdir -p $(STAGING_DIR)/include
rm -rf $(STAGING_DIR)/include/linux
cp -dpa $(LINUX_SOURCE)/include/linux $(STAGING_DIR)/include/
rm -rf $(STAGING_DIR)/include/asm
mkdir -p $(STAGING_DIR)/include/asm
cp -dpa $(LINUX_SOURCE)/include/asm/* $(STAGING_DIR)/include/asm/
rm -rf $(STAGING_DIR)/include/scsi
mkdir -p $(STAGING_DIR)/include/scsi
cp -dpa $(LINUX_SOURCE)/include/scsi/* $(STAGING_DIR)/include/scsi
touch -c $(STAGING_DIR)/include/linux/version.h
system-linux: $(STAGING_DIR)/include/linux/version.h
system-linux-clean: clean
rm -f $(LINUX_KERNEL)
rm -rf $(LINUX_DIR)
system-linux-dirclean:
rm -rf $(LINUX_DIR)
endif