don't specify "CC=<nothing>" on kernel build command line

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

diff --git a/include/kernel.mk b/include/kernel.mk
index df859a42b033ae5191870d7ecc527e90afeb2066..4bdd24a5924df06bcb837f5a59e22916d296f835 100644 (file)
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -5,13 +5,15 @@
 # See /LICENSE for more information.
 #
 
+ifeq ($(__target_inc),)
+  include $(INCLUDE_DIR)/target.mk
+endif
+
 ifeq ($(DUMP),1)
   KERNEL?=<KERNEL>
   BOARD?=<BOARD>
   LINUX_VERSION?=<LINUX_VERSION>
 else
-  include $(INCLUDE_DIR)/target.mk
-
   export GCC_HONOUR_COPTS=s
 
   ifeq ($(KERNEL),2.6)
@@ -21,17 +23,15 @@ else
   endif
 
   ifneq (,$(findstring uml,$(BOARD)))
-    KERNEL_CC:=$(HOSTCC)
-    KERNEL_CROSS:=
+    KERNEL_CC?=$(HOSTCC)
+    KERNEL_CROSS?=
   else
-    KERNEL_CC:=$(TARGET_CC)
-    KERNEL_CROSS:=$(TARGET_CROSS)
+    KERNEL_CC?=$(TARGET_CC)
+    KERNEL_CROSS?=$(TARGET_CROSS)
   endif
 
-  KERNEL_PATCHVER:=$(shell echo $(LINUX_VERSION) | cut -d. -f1,2,3 | cut -d- -f1)
-  PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)
   PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
-  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(KERNEL)-$(BOARD)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
   LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 
   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
@@ -41,15 +41,25 @@ else
 
   LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
   TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
-  LINUX_SITE:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
-           http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
-           http://www.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
-           http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING)
+  LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) \
+
+  ifneq ($(TARGET_BUILD),1)
+    PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
+  endif
+endif
 
-  PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+ifneq (,$(findstring uml,$(BOARD)))
+  LINUX_KARCH:=um
+else
+  ifeq (,$(LINUX_KARCH))
+    LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
+         -e 's/mipsel/mips/' \
+         -e 's/mipseb/mips/' \
+         -e 's/sh[234]/sh/' \
+         -e 's/armeb/arm/' \
+    )
+  endif
 endif
-GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
-GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(shell [ -d "$(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
 
 
 define KernelPackage/Defaults
@@ -94,11 +104,18 @@ define KernelPackage
     CATEGORY:=Kernel modules
     DESCRIPTION:=$(DESCRIPTION)
     EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
+    VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(BOARD)-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
     $(call KernelPackage/$(1))
     $(call KernelPackage/$(1)/$(KERNEL))
     $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
   endef
 
+  ifdef KernelPackage/$(1)/description
+    define Package/kmod-$(1)/description
+$(call KernelPackage/$(1)/description)
+    endef
+  endif
+
   ifneq ($(if $(KCONFIG),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
     ifneq ($(strip $(FILES)),)
       define Package/kmod-$(1)/install
@@ -108,6 +125,12 @@ define KernelPackage
                  $(call KernelPackage/$(1)/install,$$(1))
       endef
     endif
+  $(if $(CONFIG_PACKAGE_kmod-$(1)),
+    else
+      compile: kmod-$(1)-unavailable
+      kmod-$(1)-unavailable:
+               @echo "WARNING: kmod-$(1) is not available in the kernel config"
+  )
   endif
   $$(eval $$(call BuildPackage,kmod-$(1)))