build system: add support for download-time make hooks

[openwrt.git] / include / kernel.mk

diff --git a/include/kernel.mk b/include/kernel.mk
index 6ef4fd9..4744e09 100644 (file)
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -14,7 +14,9 @@ ifeq ($(DUMP),1)
   BOARD?=<BOARD>
   LINUX_VERSION?=<LINUX_VERSION>
 else
-  export GCC_HONOUR_COPTS=s
+  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+    export GCC_HONOUR_COPTS=s
+  endif
 
   LINUX_KMOD_SUFFIX=ko
 
@@ -33,7 +35,12 @@ else
   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/$(LINUX_VERSION)
+  LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0)
+  ifneq ($(findstring -rc,$(LINUX_VERSION)),)
+    LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
+  endif
+
+  MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION)
   TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
 
   LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
@@ -41,7 +48,11 @@ else
   LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
   TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
   ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),)
-    LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
+    ifeq ($(word 1,$(subst ., ,$(KERNEL_BASE))),3)
+      LINUX_SITE:=@KERNEL/linux/kernel/v3.x$(TESTING)
+    else
+      LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
+    endif
   endif
 
   ifneq ($(TARGET_BUILD),1)
@@ -67,16 +78,20 @@ define ModuleAutoLoad
        $(SH_FUNC) \
        export modules=; \
        add_module() { \
+               priority="$$$$$$$$1"; \
+               mods="$$$$$$$$2"; \
+               boot="$$$$$$$$3"; \
+               shift 3; \
                mkdir -p $(2)/etc/modules.d; \
                ( \
-                       [ "$$$$$$$$3" = "1" ] && { \
+                       [ "$$$$$$$$boot" = "1" ] && { \
                                echo '# May be required for rootfs' ; \
                        } ; \
-                       for mod in $$$$$$$$2; do \
-                               getvar mod; \
+                       for mod in $$$$$$$$mods; do \
+                               echo "$$$$$$$$mod"; \
                        done \
-               ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
-               modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
+               ) > $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
+               modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
        }; \
        $(3) \
        if [ -n "$$$$$$$$modules" ]; then \
@@ -105,7 +120,6 @@ define KernelPackage
   $(eval $(call Package/Default))
   $(eval $(call KernelPackage/Defaults))
   $(eval $(call KernelPackage/$(1)))
-  $(eval $(call KernelPackage/$(1)/$(KERNEL)))
   $(eval $(call KernelPackage/$(1)/$(BOARD)))
 
   define Package/kmod-$(1)
@@ -116,7 +130,6 @@ define KernelPackage
     EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE))
     VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
     $(call KernelPackage/$(1))
-    $(call KernelPackage/$(1)/$(KERNEL))
     $(call KernelPackage/$(1)/$(BOARD))
   endef
 
@@ -137,8 +150,8 @@ $(call KernelPackage/$(1)/config)
   ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
     ifneq ($(strip $(FILES)),)
       define Package/kmod-$(1)/install
-                 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
-                 $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
+                 mkdir -p $$(1)/$(MODULES_SUBDIR)
+                 $(CP) -L $$(FILES) $$(1)/$(MODULES_SUBDIR)/
                  $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
                  $(call KernelPackage/$(1)/install,$$(1))
       endef
@@ -156,14 +169,23 @@ $(call KernelPackage/$(1)/config)
 endef
 
 define AutoLoad
-  add_module $(1) "$(2)" $(3);
+  add_module "$(1)" "$(2)" "$(3)";
 endef
 
+version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
+kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) ))
+
 ifdef DUMP
-  CompareKernelPatchVer=0
+  kernel_version_cmp=
 else
-  define CompareKernelPatchVer
-    $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0)
-  endef
+  kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
 endif
 
+CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
+
+kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_le=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_lt=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
+