diff options
Diffstat (limited to 'package/linux')
| -rw-r--r-- | package/linux/linux.mk | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/package/linux/linux.mk b/package/linux/linux.mk new file mode 100644 index 000000000..0d3f8f0f7 --- /dev/null +++ b/package/linux/linux.mk @@ -0,0 +1,115 @@ +############################################################# +# +# Linux kernel targets +# +# Note: If you have any patches to apply, create the directory +# sources/kernel-patches and put your patches in there and number +# them in the order you wish to apply them... i.e. +# +# sources/kernel-patches/001-my-special-stuff.bz2 +# sources/kernel-patches/003-gcc-Os.bz2 +# sources/kernel-patches/004_no-warnings.bz2 +# sources/kernel-patches/030-lowlatency-mini.bz2 +# sources/kernel-patches/031-lowlatency-fixes-5.bz2 +# sources/kernel-patches/099-shutup.bz2 +# etc... +# +# these patches will all be applied by the patch-kernel.sh +# script (which will also abort the build if it finds rejects) +# -Erik +# +############################################################# +ifneq ($(filter $(TARGETS),linux),) + +# Version of Linux to download and then apply patches to +DOWNLOAD_LINUX_VERSION=2.4.26 +# Version of Linux AFTER patches +LINUX_VERSION=2.4.26-erik + +LINUX_FORMAT=bzImage +#LINUX_FORMAT=images/zImage.prep +LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \ + -e 's/mipsel/mips/' \ + -e 's/powerpc/ppc/' \ + -e 's/sh[234]/sh/' \ + ) +LINUX_BINLOC=arch/$(LINUX_KARCH)/boot/$(LINUX_FORMAT) + +LINUX_DIR=$(BUILD_DIR)/linux-$(LINUX_VERSION) +LINUX_SOURCE=linux-$(DOWNLOAD_LINUX_VERSION).tar.bz2 +LINUX_SITE=http://www.kernel.org/pub/linux/kernel/v2.4 +LINUX_KCONFIG=$(SOURCE_DIR)/linux.config +LINUX_KERNEL=$(BUILD_DIR)/buildroot-kernel +# Used by pcmcia-cs and others +LINUX_SOURCE_DIR=$(LINUX_DIR) + + +$(DL_DIR)/$(LINUX_SOURCE): + -mkdir $(DL_DIR) + $(WGET) -P $(DL_DIR) $(LINUX_SITE)/$(LINUX_SOURCE) + +$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE) + -mkdir $(TOOL_BUILD_DIR) + #mkdir -p $(LINUX_DIR) + #rm -rf $(LINUX_DIR) + bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(BUILD_DIR) -xvf - +ifneq ($(DOWNLOAD_LINUX_VERSION),$(LINUX_VERSION)) + # Rename the dir from the downloaded version to the AFTER patch version + mv -f $(BUILD_DIR)/linux-$(DOWNLOAD_LINUX_VERSION) $(BUILD_DIR)/linux-$(LINUX_VERSION) +endif + mkdir -p $(SOURCE_DIR)/kernel-patches + $(SOURCE_DIR)/patch-kernel.sh $(LINUX_DIR) $(SOURCE_DIR)/kernel-patches + -(cd $(TOOL_BUILD_DIR); ln -sf $(LINUX_DIR) linux) + touch $(LINUX_DIR)/.unpacked + +$(LINUX_KCONFIG): + @if [ ! -f "$(LINUX_KCONFIG)" ] ; then \ + echo ""; \ + echo "You should create a .config for your kernel"; \ + echo "and install it as $(LINUX_KCONFIG)"; \ + echo ""; \ + sleep 5; \ + fi; + +$(LINUX_DIR)/.configured $(BUILD_DIR)/linux/.configured: $(LINUX_DIR)/.unpacked $(LINUX_KCONFIG) + $(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" $(LINUX_DIR)/Makefile + -cp $(LINUX_KCONFIG) $(LINUX_DIR)/.config + $(MAKE) -C $(LINUX_DIR) oldconfig include/linux/version.h + touch $(LINUX_DIR)/.configured + +$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured + $(MAKE) -C $(LINUX_DIR) dep + touch $(LINUX_DIR)/.depend_done + +$(LINUX_DIR)/$(LINUX_BINLOC): $(LINUX_DIR)/.depend_done + $(MAKE) -C $(LINUX_DIR) $(LINUX_FORMAT) + $(MAKE) -C $(LINUX_DIR) modules + +$(LINUX_KERNEL): $(LINUX_DIR)/$(LINUX_BINLOC) + cp -fa $(LINUX_DIR)/$(LINUX_BINLOC) $(LINUX_KERNEL) + touch -c $(LINUX_KERNEL) + +$(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep: $(LINUX_KERNEL) + rm -rf $(TARGET_DIR)/lib/modules + rm -f $(TARGET_DIR)/sbin/cardmgr + $(MAKE) -C $(LINUX_DIR) INSTALL_MOD_PATH=$(TARGET_DIR) modules_install + (cd $(TARGET_DIR)/lib/modules; ln -s $(LINUX_VERSION)/kernel/drivers .) + +$(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured + mkdir -p $(STAGING_DIR)/include + tar -ch -C $(LINUX_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/ + tar -ch -C $(LINUX_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/ + +linux: $(STAGING_DIR)/include/linux/version.h $(TARGET_DIR)/lib/modules/$(LINUX_VERSION)/modules.dep + +linux-source: $(DL_DIR)/$(LINUX_SOURCE) + +# This has been renamed so we do _NOT_ by default run this on 'make clean' +linuxclean: clean + rm -f $(LINUX_KERNEL) + -$(MAKE) -C $(LINUX_DIR) clean + +linux-dirclean: + rm -rf $(LINUX_DIR) + +endif |