Update the README to something more realistic

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

diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 35149d7..6d9c9d9 100644 (file)
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -6,6 +6,25 @@
 #
 KERNEL_BUILD:=1
 
+include $(INCLUDE_DIR)/prereq.mk
+
+-include ./config
+ifneq ($(CONFIG_ATM),)
+  FEATURES += atm
+endif
+ifneq ($(CONFIG_PCI),)
+  FEATURES += pci
+endif
+ifneq ($(CONFIG_USB),)
+  FEATURES += usb
+endif
+ifneq ($(CONFIG_PCMCIA),)
+  FEATURES += pcmcia
+endif
+
+# remove duplicates
+FEATURES:=$(sort $(FEATURES))
+
 # For target profile selection - the default set
 DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd
 
@@ -14,8 +33,8 @@ ifeq ($(DUMP),1)
 else
   all: compile
 endif
-KERNEL:=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))
 
+include $(INCLUDE_DIR)/kernel-version.mk
 include $(INCLUDE_DIR)/host.mk
 include $(INCLUDE_DIR)/kernel.mk
 
@@ -37,6 +56,9 @@ KERNELNAME=
 ifneq (,$(findstring x86,$(BOARD)))
   KERNELNAME="bzImage"
 endif
+ifneq (,$(findstring rdc,$(BOARD)))
+  KERNELNAME="bzImage"
+endif
 ifneq (,$(findstring ppc,$(BOARD)))
   KERNELNAME="uImage"
 endif
@@ -44,21 +66,25 @@ endif
 
 define Kernel/Prepare/Default
        bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
-       [ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches 
+       [ -d $(GENERIC_PLATFORM_DIR)/patches ] && $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches 
        [ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
 endef
 define Kernel/Prepare
        $(call Kernel/Prepare/Default)
 endef
 
+KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
+       CROSS_COMPILE="$(KERNEL_CROSS)" \
+       ARCH="$(LINUX_KARCH)" \
+       CONFIG_SHELL="$(BASH)"
 
 define Kernel/Configure/2.4
        $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
-       $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
-       $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
+       $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h
+       $(MAKE) $(KERNEL_MAKEOPTS) dep
 endef
 define Kernel/Configure/2.6
-       $(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
+       $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
 endef
 define Kernel/Configure/Default
        @$(CP) $(LINUX_CONFIG) $(LINUX_DIR)/.config
@@ -70,8 +96,8 @@ endef
 
 
 define Kernel/CompileModules/Default
-       $(MAKE) -j$(CONFIG_JLEVEL) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) modules
-       $(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
+       $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
+       $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
 endef
 define Kernel/CompileModules
        $(call Kernel/CompileModules/Default)
@@ -87,7 +113,7 @@ ifeq ($(KERNEL),2.6)
                echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
                echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
                mkdir -p $(BUILD_DIR)/root/etc/init.d
-               $(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
+               $(CP) $(GENERIC_PLATFORM_DIR)/files/init $(BUILD_DIR)/root/
     endef
   else
     define Kernel/SetInitramfs
@@ -100,7 +126,7 @@ ifeq ($(KERNEL),2.6)
 endif
 define Kernel/CompileImage/Default
        $(call Kernel/SetInitramfs)
-       $(MAKE) -j$(CONFIG_JLEVEL) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME)
+       $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(KERNELNAME)
        $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
 endef
 define Kernel/CompileImage