add modified version of mbm's 'introduction to buildroot-ng' to the documentation

[openwrt.git] / include / kernel-build.mk

diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index c5b3668..06f4ce7 100644 (file)
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -4,6 +4,7 @@
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
+include $(INCLUDE_DIR)/host.mk
 -include $(INCLUDE_DIR)/modules-$(KERNEL).mk
 
 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
@@ -17,6 +18,15 @@ KERNEL_IPKG:=$(KERNEL_BUILD_DIR)/kernel_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEAS
 TARGETS += $(KERNEL_IPKG)
 INSTALL_TARGETS += $(KERNEL_IPKG)
 
+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/' \
+)
+
+
 $(TARGETS): $(PACKAGE_DIR)
 
 $(PACKAGE_DIR):
@@ -28,7 +38,7 @@ $(DL_DIR)/$(LINUX_SOURCE):
 
 $(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
        -mkdir -p $(KERNEL_BUILD_DIR)
-       bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS) -
+       bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
        touch $@
 
 ifeq ($(KERNEL),2.4)
@@ -98,6 +108,7 @@ $(TOPDIR)/.kernel.mk: $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)/Makefile
        echo "CONFIG_KERNEL:=$(KERNEL)" >> $@
        echo "CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@
        echo "CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
+       echo "CONFIG_LINUX_KARCH:=$(LINUX_KARCH)" >> $@
 
 pkg-install: FORCE
        @for pkg in $(INSTALL_TARGETS); do \